Document Document Title
US10802437B2 Static eliminating device and image forming apparatus
A static eliminating device includes a light guide body formed in a bar shape and attached to a drum frame, and a light source. The light source is arranged at one end side in a longitudinal direction of the light guide body. The light guide body includes a plurality of reflection parts and an attachment part. The plurality of reflection parts is arranged in parallel in the longitudinal direction within a range at the other end side from a start position spaced a predetermined distance from one end in the longitudinal direction. The attachment part is arranged between one end in the longitudinal direction and the start position to act as a start point of thermal deformation in the longitudinal direction. The attachment part is composed of two protrusions to interpose an edge of a positioning hole provided in the drum frame at one end side in the longitudinal direction.
US10802436B2 Image heating apparatus having moveable coupling gear to couple and decouple a photosensitive drum
Disclosed is an image forming apparatus having moving means for moving a coupling gear between a coupling position where a drum side coupling portion and a main body side coupling portion are coupled to each other and a decoupling position where the drum side coupling portion and the main body side coupling portion are decoupled from each other. The moving means moves the coupling gear to the coupling position when forming a color image, and moves the coupling gear to the decoupling position when forming a monochrome image. The coupling gear has a main body side gear portion which meshes with the main body gear. The coupling gear is integrally molded with the main body side coupling portion and the main body side gear portion.
US10802434B2 Fixing device making separating member contact or separate with regard to heating member by interlocking with pressure applying member and image forming apparatus including the same
A fixing device includes a heating member heating a toner on a medium, a pressuring member, a pressure applying member, a pressure adjusting mechanism and a separating member. The pressuring member pressure-contacts with the heating member to form a pressuring area and pressurizes the medium passing through the pressuring area. The pressure applying member presses the pressuring member to generate fixing pressure in the pressuring area. The pressure adjusting mechanism switches the fixing pressure between first pressure and second pressure lower than the first pressure. The separating member contacts with the heating member to release the medium from the heating member. The separating member contacts with the heating member by interlocking with the pressure applying member when the pressure applying member applies the first pressure, and is separated from the heating member by interlocking with the pressure applying member when the pressure applying member applies the second pressure.
US10802421B2 Image forming apparatus and developing apparatus
An image forming apparatus includes an insertable developing apparatus having a developer container, a developer discharging portion, and a shutter movably arranged between a closing position and an opening position. A first spring joins with the shutter and urges the shutter in an insertion direction in which the developing apparatus is inserted to the image forming apparatus so the shutter is maintained at the closing position, and a fixing member is detachably attached to the developing apparatus and fixes the shutter at the closing position. An attachment portion in the developing apparatus attaches to the fixing member, an engagement member engages with the shutter, and a second spring joins with the engagement member and urges the engagement member in a direction opposite to the insertion direction.
US10802417B2 Optical scanning apparatus and image forming apparatus
An optical scanning apparatus includes an optical scanning unit which includes a first light source, a first rotatable polygonal mirror for reflecting the beam emitted from the first light source, a second light source, a second rotatable polygonal mirror for reflecting the beam emitted from the second light source; and a housing accommodating the polygonal mirrors. The housing includes only three fixed portions fixed to a fixing portion for fixing the optical scanning unit. The first rotatable polygonal mirror and the second rotatable polygonal mirror are disposed such that a rotational axis of the first rotatable polygonal mirror and a rotational axis of the second rotatable polygonal mirror are in a triangular area defined by lines connecting the three fixed portions, as viewed in a rotation axial direction of the first rotatable polygonal mirror.
US10802416B1 Print head and image forming apparatus
In accordance with an embodiment, an image forming apparatus comprises a light emitting element array comprising a low temperature polysilicon transistor and a plurality of light emitting elements that emit light at luminance corresponding to an output current of the transistor; and a processor configured to select either one of a first mode in which the light emitting element emits light for a first irradiation time at a first light quantity per unit area and a second mode in which the light emitting element emits light for a second irradiation time longer than the first irradiation time at a second light quantity less than the first light quantity per unit area, and control emission of light from the plurality of light emitting elements to expose a photoconductor according to acquired image data and a selected mode.
US10802415B2 Information processing apparatus and image forming apparatus with identification of reflection face of polygonal mirror
An image forming apparatus includes a laser scanner unit, an engine controller, and an image controller. The laser scanner unit includes a polygon mirror configured to reflect a laser beam to scan a photosensitive drum, and a BD sensor configured to detect the laser beam reflected by the polygon mirror to output a BD signal. The engine controller generates an image formation BD signal synchronized with the BD signal. The image controller identifies a reference reflection face based on the number of times of low levels of an image formation BD signal that has been sampled for a predetermined period from a falling edge of the image formation BD signal. The image controller corrects image data based on the identified reflection face to control image formation processing.
US10802414B1 Charging device, process cartridge, image forming apparatus, and assembly
A charging device includes a charging roller and a cleaning roller that includes a core and a foamed elastic layer disposed on an outer circumferential surface of the core and that rotates in contact with a surface of the charging roller. The number of ends of a cell skeleton that protrude from a surface of the foamed elastic layer is 25 ends/mm2 or more and 50 ends/mm2 or less. The cleaning roller is disposed in contact with the charging roller such that the compression ratio of the foamed elastic layer is 30% or less. The compression ratio is represented by Equation (1): compression ratio (%)=(r1/2+r2/2−d)/t1×100  Equation (1): where r1 is the outer diameter (mm) of the cleaning roller, r2 is the outer diameter (mm) of the charging roller, d is the interaxial distance (mm) between the charging roller and the cleaning roller, and t1 is the thickness (mm) of the foamed elastic layer of the cleaning roller.
US10802413B1 Charging device, image forming structure, and image forming device
A charging device includes: a charging member that is rotatable and has a peripheral surface to be in contact with a charging target and to which a voltage is to be applied for charging the charging target; a removing member that includes a core and a removing material spirally wound one to less than two times around the core and rotates and comes into contact with the charging member to remove an unnecessary material from the peripheral surface of the charging member; and a detecting unit that detects a current flowing between the charging member and the removing member.
US10802411B2 Electrophotographic photosensitive member, process cartridge, and image forming apparatus
An electrophotographic photosensitive member includes a photosensitive layer of a single layer. The photosensitive layer contains a charge generating material, a hole transport material, an electron transport material, and a binder resin. An optical response time is 0.05 milliseconds or longer and 0.85 milliseconds or shorter. The optical response time is a time from irradiation of a surface of the photosensitive layer charged to +800 V with pulse light having a wavelength of 780 nm to decay of a surface potential of the photosensitive layer from +800 V to +400 V. The pulse light has an intensity that allows the surface potential of the photosensitive layer to decay to +200 V from +800 V after 400 milliseconds elapse from the irradiation of the surface of the photosensitive layer charged to +800 V with the pulse light. The photosensitive layer has a Martens hardness at 50° C. of at least 160 N/mm2.
US10802408B2 Method for optimization of a lithographic process
A method for improving the yield of a lithographic process, the method including: determining a parameter fingerprint of a performance parameter across a substrate, the parameter fingerprint including information relating to uncertainty in the performance parameter; determining a process window fingerprint of the performance parameter across the substrate, the process window being associated with an allowable range of the performance parameter; and determining a probability metric associated with the probability of the performance parameter being outside an allowable range. Optionally a correction to the lithographic process is determined based on the probability metric.
US10802401B2 Negative-type photosensitive resin composition, cured film, element and display apparatus that include cured film, production method for the same
To provide an alkaline developable negative-type photosensitive resin composition from which a cured film that has a high-resolution and low-taper pattern shape and that are excellent in heat resistance and light blocking property can be obtained. A negative-type photosensitive resin composition is characterized by containing an (A1) first resin, a (A2) second resin, a (C) photopolymerization initiator, and a (D) coloring agent, wherein the (A1) first resin is an (A1-1) polyimide and/or an (A1-2) polybenzo-oxazole, and wherein the (A2) second resin is one or more species selected from a (A2-1) polyimide precursor, a (A2-2) polybenzo-oxazole precursor, a (A2-3) polysiloxane, a (A2-4) cardo based resin, and an (A2-5) acrylic resin, and wherein a content ratio of the (A1) first resin in a total of 100 mass % of the (A1) first resin and the (A2) second resin is within the range of 25 to 90 mass %.
US10802400B2 Resist composition and patterning process
A resist composition comprising a polymer-bound acid generator, i.e., a polymer comprising recurring units derived from a sulfonium or iodonium salt having a brominated linker between a polymerizable unsaturated bond and a fluorosulfonic acid offers a high sensitivity and reduced LWR or improved CDU independent of whether it is of positive or negative tone.
US10802392B2 Photomask laser etch
Embodiments described herein relate to apparatus and methods for removing one or more films from a photomask to create a black border and one or more pellicle anchor areas thereon. A photomask substrate is exposed by removing the one or more films in the black border and pellicle anchor areas. The black border prevents a pattern on the photomask from overlapping a pattern on a substrate being processed. To create the black border and pellicle anchor areas, a laser beam is projected through a lens and focused on a surface of the films. The films are ablated by the laser beam without damaging the photomask substrate.
US10802389B2 Projection system and projection-type image display apparatus
A first optical group that forms an intermediate image and a second optical group that enlarges and projects the intermediate image formed by the first optical group satisfy a variety of conditions. Therefore, first of all, in a case where a projection system is incorporated in a projector, an ultrawide field angle that allows enlargement and projection of an image at a half angle of view of 50° or greater is achieved. Further, an optical path deflection system including two optical path deflectors is disposed between the first optical group and the second optical group to allow the optical path to be folded with deterioration in performance of the projection system suppressed.
US10802381B2 Transverse tube and a photography equipment support
The present utility model relates to a transverse tube and a photographic equipment support. The purpose of the utility model is to provide a transverse tube that can be used with a common photographic equipment to allow a centre shaft transverse, and provide a photographic equipment containing the transverse tube. The technical solution is as follows: a transverse tube is detachably mounted on a base of a photographic equipment support in an insertion manner and can move and rotate along its axis relative to the base; the transverse tube comprises a tube body which a centre shaft can be coaxially embedded into and which is able to move along its axis relative to the centre shaft, and a rotary seat arranged on the top of the tube body; an axial through hole is provided on the rotary seat along its axis to vertically accomodate the centre shaft, and the axial through hole and the tube body are coaxially arranged; a U-shaped notch with a upward opening and a radial through hole which is radially opposite to the notch are provided at the upper part of the rotary seat, to horizontal support the centre shaft. The present utility model is suitable for the technical field of photographic equipment.
US10802380B2 Imaging device, imaging control method, and program
An imaging device includes: an imaging device body including an imaging element that receives reflected light representing a subject as a subject image, and a body-side suppression unit that suppresses an influence of vibration, which is applied to a device, on the subject image on the basis of a detection result of a detection unit detecting the vibration; and a control unit performing control on the body-side suppression unit to suppress the influence with a limit that is a degree for limiting the suppression of the influence performed by the body-side suppression unit and is determined according to information about an interchangeable imaging lens mounted on the imaging device body.
US10802377B2 Switchable imager lens cover
An optical module for a vehicle includes an imager configured to collect image data from at least one of inside and outside the vehicle. A cover is disposed proximate a lens of the imager. The cover includes an electro-optic cell aligned with the lens and configured to allow the imager to capture the image data through the cover. The cover is colored to match one of an interior and exterior body panel of the vehicle. The electro-optic cell is operable between a first condition wherein the electro-optic cell has a visible light transmission of greater than 50% and a second condition wherein the visible light transmission of the electro-optic cell is less than 15%.
US10802370B2 Vehicle optical view-shielding structure
There is provided a vehicle optical view-shielding structure including: an optical view-shielding device that is capable of optically shielding a window when a vehicle is stationary, such that a vehicle interior is rendered difficult to see from outside the vehicle; an external detection device that detects an approaching object approaching the vehicle; and a notification device that issues a notification inside the vehicle notifying that the approaching object has been detected by the external detection device.
US10802367B2 Display device
Provided is a display device. The display device includes a data line extending in a first direction, a reflective electrode on the data line, and a transistor formed between the data line and the reflective electrode. The transistor includes a first electrode connected to the data line, a second electrode spaced apart from the first electrode in the first direction and connected to the reflective electrode, and a semiconductor layer connecting the first electrode and the second electrode.
US10802362B2 Display panel and manufacturing method for the same
A display panel and manufacturing method for the same. The display panel includes an array substrate, a passivation layer, an organic planarization layer, a first color resist layer and a second color resist layer and an organic planarization layer. Each sub-pixel circuit includes at least two thin-film transistors; at least two via holes are prepared on the passivation layer and the organic planarization layer. The first color resist layer includes a first color resist region and multiple second color resist regions connected thereto. A projection of the first color resist region on the array substrate is located at two sides of the sub-pixel circuit. Each second color resist region is located above the at least two thin-film transistors; the second color resist layer is stacked above the second color resist region. The first color resist layer will not crack, and the main region spacer can reach a desired height.
US10802359B2 Display panel having wide and narrow viewing angle display modes comprising dye molecules dispersed in a liquid crystal layer, display device and display method
The present disclosure provides a display panel, display device and display method. Under a wide viewing angle display mode, a first signal is applied to a first electrode and a second electrode, and a long axis of liquid crystal molecules and a long axis of dye molecules are perpendicular to a plane of a first substrate. A relatively large included angle is formed between a polarization direction of emergent light of a first display device and the long axis of the dye molecules. A second signal is applied to the first electrode and the second electrode under a narrow viewing angle display mode, and a long axis of liquid crystal molecules and a long axis of dye molecules form an included angle of 30 to 60 degrees together with the plane of the first substrate.
US10802356B2 Touch screen for privacy display
A display comprises a polarised output spatial light modulator, switchable liquid crystal retarder, absorbing polariser and touch panel electrodes. The electrodes of the switchable liquid crystal retarder shield the touch panel electrodes from the electrical noise of the spatial light modulator addressing. The touch panel control and sensing may be synchronised with the driving signal of the switchable liquid crystal retarder. The touch panel may be operated independently of the timing of the data addressing of the spatial light modulator.
US10802353B2 Liquid crystal display device
A liquid crystal display device according to FFS technology is provided, which sufficiently provides a common electrode with common electric potential and improves an aperture ratio of pixels. A pixel electrode is formed of a first layer transparent electrode. A common electrode made of a second layer transparent electrode is formed above the pixel electrode interposing an insulation film between them. The common electrode in an upper layer is provided with a plurality of slits. The common electrode extends over all the pixels in a display region. An end of the common electrode is disposed on a periphery of the display region and connected with a peripheral common electric potential line that provides a common electric potential Vcom. There is provided neither an auxiliary common electrode line nor a pad electrode, both of which are provided in a liquid crystal display device according to a conventional art.
US10802352B2 Display device
A display device is disclosed, which includes: a substrate; a scan line having an extension direction, disposed on the substrate and including a gate electrode; a semiconductor layer disposed on the gate electrode; source and drain electrodes disposed on the semiconductor layer; an insulating layer including a via hole and disposed on the drain electrode; a first transparent conductive layer disposed on the insulating layer, wherein a part of the first transparent conductive layer electrically connects to the drain electrode through the via hole; and a second transparent conductive layer disposed between the substrate and the first transparent conductive layer and not overlapping the via hole. Herein, the second transparent conductive layer has a first edge, the drain has a second edge, a minimum distance between the first edge and the second edge along a direction substantially perpendicular to the extension direction ranges from 0 μm to 4 μm.
US10802351B2 Array substrate, driving method thereof, and display panel
The present disclosure provides an array substrate, a driving method thereof and a display panel. The array substrate includes: a plurality of pixels arranged in a matrix, wherein two adjacent rows of pixels are grouped into a pixel group; switching elements respectively connected with the pixels; a data line, wherein two data lines corresponds to each column of pixels arranged at two sides of this column respectively; and gate lines each located between two adjacent rows of pixels of each pixel group; wherein respective pixels in a same pixel group are connected with one gate line located between two rows of pixels though respective switching elements; two pixels adjacent to each other along a column direction in a same pixel group are respectively connected with two data lines respectively located at two sides of a column where the two pixels are located through respective switching elements.
US10802348B2 Array substrate, display panel and display device
An array substrate, display panel and display device. The array substrate includes: a source-drain metal layer, a pixel electrode layer, an insulation layer located between the source-drain metal layer and the pixel electrode layer, and a plurality of sub-pixels distributed in an array. Each sub-pixel corresponds to a drain electrode contained in source-drain metal layer, a pixel electrode contained in pixel electrode layer, and a drain through-hole defined in insulation layer. The pixel electrode is connected to the drain electrode via the drain through-hole. For any one row of the array, in a column direction, each drain electrode through hole is located at the same side of the sub-pixel 10 corresponding to the drain electrode through hole. The sub-pixels includes two adjacent support sub-pixels in a row direction, and the two drain through-holes respectively corresponding to the two adjacent support sub-pixels are unaligned in the column direction.
US10802347B2 Display device and color filter substrate
According to one embodiment, a liquid crystal display includes a first substrate, a second substrate including an insulating substrate, a first color filter, a second color filter, a first light-shielding layer, a second light-shielding layer, a first spacer and a second spacer, and a sealing member surrounding the second spacer and including a filler, and the first spacer having a same height as that of the second spacer, being in contact with the first substrate, the filler being interposed between the second spacer and the first substrate, and a thickness from the inner surface of the insulating substrate to a bottom of the second spacer being less than a thickness from the inner surface of the insulating substrate to a bottom of the first spacer.
US10802346B1 Display panel
A display panel includes a top substrate, a bottom substrate, a display medium layer disposed between the top substrate and the bottom substrate, and a sealant. The sealant includes a frame portion surrounding a region and the display medium layer distributing in the region, and an injection portion connected to the frame portion. The injection portion has a channel path, an inner opening and an outer opening. The channel path is communicated to the region at the inner opening, and the outer opening is at a distal end of the channel path away from the region. The injection portion includes a first wall, a second wall, and a third wall. The first wall is spaced from the second wall at a first direction to form the outer opening. The third wall is spaced from the second wall at a second direction and shields the outer opening.
US10802338B2 Light flux control member, light emitting device, and a surface light source device
A light flux control member has: a rear surface extending in the Y-axis direction; and a first incident plane, a second incident plane, and a third incident plane disposed on the rear surface side, said third incident plane reflecting light incident to the first incident plane. The light flux control member further has: a first reflecting plane disposed on the front side and reflecting, to one direction in the Y-axis direction, light incident to the first incident plane, light incident to the first incident plane and reflected on the third incident plane, and light incident to the third incident plane; and a second reflecting plane for reflecting light incident to the second incident plane to the other direction in the Y-axis direction. The light flux control member still further has two exit planes disposed sandwiching the first reflecting plane and the second reflecting plane and facing each other.
US10802337B1 Local dimming system and method adaptable to a backlight of a display
A local dimming system adaptable to a backlight of a display includes a light shape imitation (LSI) unit that receives a pulse-width modulation (PWM) value and provides a profile data for each block of the backlight; a profile analysis unit that generates an analytic mean value according to the profile data; and a diffusion compensation unit that compares the analytic mean value with a target mean value and compensates the PWM value for light diffusion according to a result of the comparison, thereby generating a compensated PWM value.
US10802336B2 Displays with direct-lit backlight units and light spreading structures
A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated with backlight illumination from a backlight unit. The backlight unit may include a printed circuit board, a plurality of light-emitting diodes mounted on the printed circuit board, at least one light spreading layer formed over the printed circuit board that spreads light received from the plurality of light-emitting diodes, a partially reflective layer formed over the at least one light spreading layer, a color conversion layer formed over the partially reflective layer, a collimating layer formed over the color conversion layer, a brightness enhancement film formed over the collimating layer, and a diffuser formed over the brightness enhancement film. The at least one light spreading layer may include two light spreading layers with elongated protrusions that are rotated relative to each other.
US10802332B2 Low cost backlight module and display device
This invention discloses a low-cost backlight module including a plurality of light source assemblies arranged in an array, and a reflector as well as a diffuser plate both disposed beside each light source assembly, wherein the reflector includes a circle of side reflection wall arranged annularly around the light source assembly, each of the light source assemblies includes a plurality of spot light sources spaced apart circumferentially and faced toward the side reflection wall, and the light emitted by the spot light source toward the side reflection wall is reflected by the side reflection wall and then emitted out from the diffuser plate. This invention further discloses a display device. An area of the diffuser plate that is emitted by each spot light source is enlarged and the emitted light becomes more uniform. The number of spot light sources is reduced and the problem of LED Mura is avoided.
US10802331B2 Display apparatus and control method for power loss thereof
A display apparatus is provided. The display apparatus includes a display panel, a backlight module, a power-supply circuit, and a system-control circuit. The display panel is configured to display an image signal. The backlight module is configured to provide backlight to the display panel. The power-supply circuit is configured to convert an alternating current (AC) source to a direct current (DC) voltage. The system-control circuit includes a power-loss-detection circuit and a display controller. The power-loss-detection circuit is configured to detect whether the DC voltage from the power-supply circuit has a power-loss event. The display controller is configured to control the display panel and the backlight module. In response to the power-loss-detection circuit detecting that the DC voltage has the power-loss event, the display controller performs a predetermined shutdown procedure to sequentially turn off the backlight module and the display panel.
US10802329B2 Colour filter, display apparatus and method for manufacturing colour filter
A color filter, a display apparatus, and a method for preparing the color filter. The color filter comprises: a substrate, black matrices formed on the substrate; color layers formed on the substrate, wherein the color layers comprise red pixel layers (R), green pixel layers (G), blue pixel layers (B), and transparent pixel layers (W); a planarization layer (OC) formed above the color layers and the black matrices; and columnar layers (PS) formed on the planarization layer (OC) and located above the black matrices. The transparent pixel layers (W) are covered in the red pixel layers (R), the green pixel layers (G) and the blue pixel layers (B) by the red pixel layers (R), the green pixel layers (G) and the blue pixel layers (B), respectively.
US10802325B2 Display panel
A display panel and a fabricating method are provided. A display panel may include a top substrate, a bottom substrate, and a display medium layer. The display medium layer may be disposed between the top substrate and the bottom substrate. The top substrate may include a support plate and a light shielding layer. The support plate may have a bottom surface facing the display medium layer and a top surface. The support plate includes a recess structure formed at the top surface and encircling an active region of the top substrate. The light shielding layer is disposed on the top surface of the support plate. The recess structure is at least partially located between the active region and the light shielding layer. A bottom surface of the light shielding layer may be further from the bottom surface of the support plate than a bottom surface of the recess structure.
US10802322B1 Display device
A display device is provided with: a light guide plate having a light exit surface that emits light; a display panel; an optical sheet that is interposed between the light guide plate and the display panel and that comprises a plurality of rectangular unit sheets; and a holding frame section that surrounds the optical sheet and that holds the optical sheet. The holding frame section comprises a first side for holding the optical sheet, and a second side and a third side that intersect the first side at the two ends of the first side. A first protrusion and a second protrusion are provided to the two ends of the first side in the lengthwise direction thereof. A first unit sheet and a second unit sheet are each fixed by the first protrusion and the second protrusion. The second side faces an end side of the first unit sheet; and is in contact with all of said end side. The third side faces an end side of the second unit sheet and is in contact with all of said end side. As a result, light from the light exit surface of the light guide plate is prevented from leaking from a gap between the holding frame section and the optical sheet.
US10802318B2 Transparent substrate with antifouling film and capacitance in-cell touch panel-type liquid crystal display device
There is provided a transparent substrate with an antifouling film that, when used as a cover member with an antifouling film of an electrostatic in-cell touch panel-type liquid crystal device, can reduce the whitening of a liquid crystal screen while fully maintaining an antifouling property and touch sensitivity. The transparent substrate with an antifouling film includes: a transparent substrate; and an antifouling film provided as an outermost layer on one main surface of the transparent substrate, wherein a surface shape of the antifouling film is a rugged shape whose arithmetic mean roughness Ra is 0.01 μm or more, and surface resistivity measured on the surface of the antifouling film is 1.0×109 to 1.0×1013Ω/.
US10802315B2 Display device
According to one embodiment, a display device includes a display panel including a first surface over a display portion and a non-display portion therearound, a cover including a second surface opposing the first surface and an adhesive layer in contact with the first surface and the second surface, and the first surface includes a convexity projecting toward the cover in the non-display portion, and the second surface includes a concavity overlapping the convexity.
US10802307B2 Anti-peeping assembly and manufacturing method thereof, method for controlling anti-peeping assembly, and display device
An anti-peeping assembly and a manufacturing method thereof, a method for controlling an anti-peeping assembly and a display device are described. The anti-peeping assembly includes a first substrate and a second substrate arranged facing each other, and a liquid crystal layer located between said first substrate and said second substrate; wherein, a first electrode is disposed on said first substrate at a side near the liquid crystal layer, and a plurality of second electrodes arranged as an array are disposed on said second substrate at a side near the liquid crystal layer; and wherein, in response to applying a same voltage to said first electrode and any second electrode, liquid crystals between said first electrode and said any second electrode scatter light, and in response to applying different voltages to said first electrode and said any second electrode, liquid crystals between them transmit light.
US10802304B1 Optical linked sensor network
Examples of a wearable device are disclosed. In one example, the wearable device may include an optical network, a first sensor and a second sensor coupled with the optical network, and a processor. The first sensor and a second sensor are configured to generate, respectively, first sensor data and second sensor data related to different physical measurements, and to transmit the first sensor data and the second sensor data to the optical network. The processor is coupled with the optical network and configured to: receive at least one of the first sensor data or the second sensor data from the optical network; and determine output content of the wearable device based on the at least one of the first sensor data or the second sensor data.
US10802302B2 Waveplate lenses and methods for their fabrication
The invention provides for lenses fabricated as planar thin film coatings with continuous structure. The lensing action is due to optical axis orientation modulation in the plane of the lens. The lenses of the current invention are fabricated using photoalignment of a liquid crystal polymer wherein the polarization pattern of radiation used for photoalignment is obtained by propagating the light through an optical system comprising a shape-variant nonlinear spatial light polarization modulators.
US10802300B2 Interactive dimmable window systems and methods
An interactive dimmable window system and method includes a dimmable window panel, and a passenger interface coupled to the dimmable window panel. The passenger interface includes a touchscreen that is configured to allow for touch-control of an electronic shade of the dimmable window panel.
US10802298B2 Eye mounted device for controlling focusing disorders
An eye mounted display presents defocused images to patients to affect their eyeball development and control focusing disorders such as myopia or hyperopia. For example, images may be projected with peripheral myopic defocus in order to control myopia. Images may be projected with peripheral hyperopic defocus in order to control hyperopia.
US10802297B2 Lens comprising an adjustable focus length
The invention relates to a lens (1) for vision correction, wherein the lens (1) is particularly configured to be placed directly on the surface of an eye (2) of a person, wherein the lens (1) further comprises: a transparent base element (10) having a back side (12), and a front side (11) facing away from the back side (12), a transparent and elastically expandable membrane (20) connected to said base element (10), wherein said membrane (20) comprises a back side (22) that faces said front side (11) of the base element (10), a ring member (30) connected to said back side (22) of the membrane (20) so that the ring member (30) defines a curvature-adjustable area (23) of the membrane (20), and wherein the lens (1) comprises a lens volume (41) adjacent said curvature-adjustable area (23) of the membrane (20), which lens volume (41) is delimited by the ring member (30), and wherein the lens (1) comprises a reservoir volume (42) arranged in a boundary region (24) of the lens (1), wherein said two volumes (41, 42) are each filled with a transparent liquid (50, 50a, 50b), and a pumping means (700) configured to transfer transparent liquid (50) from the reservoir volume (42) to the lens volume (41) such that the curvature of said curvature-adjustable area (23) of the membrane (22) increases and the focal length of the lens (1) decreases, and optionally a rigid support structure (31) that is configured to reduce or prevent compression of the reservoir volume (42) when an eyelid of the user rests on said boundary region (24) of the lens.
US10802285B2 Remote optical engine for virtual reality or augmented reality headsets
A virtual reality/augmented reality (VR/AR) headset system (including the capability for one or both of virtual reality and augmented reality) includes a remote optical engine. The remote disposition of the optical engine removes many or all of the components of the VR/AR headset system that add weight, heat, and other characteristics that can add to user discomfort in using the system from the headset. An electronic image is received and/or generated remotely at the optical engine, and is transmitted optically from the remote location to the headset to be viewed by the user. One or more optical waveguides may be used to transmit the electronic image to one or more passive displays of the headset, from the remote optical engine.
US10802281B2 Periodic lenses systems for augmented reality
An augmented reality device including a transparent display screen and a lens system disposed adjacent to the transparent display screen, a control processor in communication with a data store, the data store including one or more virtual image records. If the lens system is a micro-lens, the control processor provides control commands to the transparent display screen to cause generation of an augmented reality image by interspersing inactive pixels elements with active pixel elements to provide a spatial domain combined image of the real world and virtual images. If the lens system is a focus tunable lens, the control processor provides control commands to the transparent display screen and the focus tunable lens to cause alternating transparent views of the real world image object and virtual image. The alternating of images occurring at frame rate greater that visible by a user's eye(s).
US10802278B2 Space carving based on human physical data
Technology is described for (3D) space carving of a user environment based on movement through the user environment of one or more users wearing a near-eye display (NED) system. One or more sensors of the NED system provide sensor data from which a distance and direction of movement can be determined. Spatial dimensions for a navigable path can be represented based on user height data and user width data of the one or more users who have traversed the path. Space carving data identifying carved out space can be stored in a 3D space carving model of the user environment. The navigable paths can also be related to position data in another kind of 3D mapping like a 3D surface reconstruction mesh model of the user environment generated from depth images.
US10802275B2 Head-up display, head-up display method and vehicle
Arrangements of the present disclosure disclose a head-up display, a head-up display method, and a vehicle. The head-up display includes a head-up display component configured to display an image on a projection location. The display includes a master control component connected to a driving component. The master control component is configured to obtain vehicle information, analyze the vehicle information, and generate a control instruction based on an analysis result. The vehicle information includes vehicle positioning information and vehicle attitude information, or traveling road information and vehicle attitude information. The driving component, connected to the head-up display component, is configured to adjust the head-up display component based on the control instruction such that the projection location of the image displayed by the head-up display component remains at a consistent relative height with respect to the ground.
US10802273B2 Combiner and head-up display device using same
The combiner has a reflecting surface that reflects incident light. When the incident light has an incident angle in a range from 0° to 25°, inclusive, defined as a first value, in a wavelength range from 400 nm to 700 nm, inclusive, the upper limit wavelength of a wavelength range having a reflectance of 90% or more of the reflectance peak of the incident light is shorter than 700 nm. When the incident angle takes a second value in a range from 60° to 85°, inclusive, in the wavelength range from 400 nm to 700 nm, inclusive, the reflectance peak of an S-wave component contained in the incident light has a wavelength shorter than 570 nm.
US10802269B2 Optical circuit, optical scanning device, optical multiplexer-demultiplexer, wavelength monitor, optical multiplexer-demultiplexer module, and wavelength monitor module
An optical circuit includes an input waveguide, an arrayed waveguide including a plurality of output waveguides, a coupler, an electrode capable of applying a voltage to each of the output waveguides of the arrayed waveguide, and a chip unit to which the input waveguide, the coupler, and a portion of the arrayed waveguide are fixed. The arrayed waveguide is divided into a phase shifter portion capable of generating a predetermined phase difference between adjacent ones of the output waveguides, a beam portion having a cantilever structure that is not fixed by the chip unit, and a waveguide portion between the phase shifter portion and the beam portion. The electrode is capable of applying positive and negative voltages to the beam portion of the arrayed waveguide such that positive and negative voltages are alternately applied to adjacent ones of the output waveguides.
US10802268B2 Organic light emitting display panel, organic light emitting display device having the same, and liquid crystal display device
An organic light emitting display panel includes a first substrate, a second substrate arranged opposite to the first substrate, a display layer on a side of the first substrate facing the second substrate, and a viewing angle control layer on a side of the second substrate facing the first substrate, the viewing angle control layer configured to change an output path of light input from the display layer by changing a shape based on a control signal.
US10802263B2 Imaging signal extraction apparatus and methods of using same
An imaging signal extraction apparatus comprising: an interface; a processing device, the processing device operatively coupled to the interface; and a computer readable medium comprising instructions that, when executed by the processing device, perform operations comprising: a) generating a two-dimensional image from imaging information obtained from the interface, thereby estimating ballistic component of the imaging information; b) generating a three-dimensional image by remapping the two-dimensional image; c) identifying a candidate object in the three-dimensional image; d) obtaining an estimated spatial forward model of the candidate object by mapping the three-dimensional image of the candidate object with a point-spread-function associated with the imaging apparatus; e) obtaining background-corrected data by using the estimated spatial forward model of the candidate object and estimated temporal components; and f) iteratively updating the estimated spatial forward model and estimated temporal components until convergence is reached for the candidate object, thereby extracting the signal information.
US10802260B2 Automated substrate loading
This disclosure is directed to system for transferring a substrate, such as a microscope slide, and holding the substrate within at least one device. The system includes a holder for holding the substrate and a gripper for transferring the substrate, such as between a cassette or stack and the holder. A method is also discussed herein.
US10802258B2 Microscope including an illumination optical system having a plurality of lens elements
A microscope including an illumination optical system having an objective lens and a fly-eye lens, where: the fly-eye lens having a plurality of lens elements; in the illumination optical system, images of the plurality of lens elements are projected on a pupil of the objective lens; and the number (n1) of the images of the lens elements projected inside the pupil of the objective lens is more than the number (n2) of the images of the lens elements projected on an outer perimeter of the pupil of the objective lens. In the above observation optical system, a first objective lens having a first pupil diameter and a second objective lens having a pupil diameter larger than the first pupil diameter are switchable, and a number n1 may be greater than a number n2 with respect to the first objective lens.
US10802257B2 Microscope system and image data transfer method therefor
A microscope system includes a microscope apparatus including a stage on which a sample is placed and an objective lens that collects laser light to the sample on the stage, a light source unit including a light source that emits the laser light, a scanning mechanism configured to guide the laser light from the light source unit and change a direction of the guided laser light to scan the sample on the stage, a photodetector configured to guide returned light from the objective lens of the microscope apparatus and convert the guided light into an electrical signal, a controller configured to control at least the scanning mechanism and generate image data from the electrical signal output from the photodetector, and a computer connected to the controller through a bus interface and configured to process the image data transferred from the controller through the bus interface.
US10802250B2 Optical image lens
An optical image lens used in narrow field of view and having compact size and low distortion characteristics is disclosed to include, from an object side to an image side along an optical axis, a first lens with positive refractive power, a second lens and a third lens glued as a doublet with negative refractive power, a fourth lens and a fifth lens glued as a doublet with positive refractive power, a sixth lens with positive refractive power, a seventh lens with positive refractive power, and an eighth lens with negative refractive power.
US10802249B2 Zoom lens and image pickup apparatus including same
A zoom lens including a first lens unit that has a positive refractive power, a second lens unit that has a negative refractive power, and at least one lens unit, in which the first lens unit, the second lens unit, and at least one lens unit are disposed from an object side to an image side in the above order. The first lens unit is formed of a single piece of lens element, and the zoom lens includes a positive lens on a side closest to an image. An Abbe number of the positive lens, back focuses at a wide angle end and a telescopic end, and focal lengths of the zoom lens at the wide angle end and the telescopic end are each set appropriately.
US10802245B2 Focusing control device, focusing control method, focusing control program, lens device, and imaging device
A focusing control device includes: a sensor that has a focus detection area in which a plurality of first signal detection sections which receives one of a pair of luminous fluxes passing through different portions arranged in one direction of a pupil region of an imaging optical system including a focus lens and detects signals corresponding to light reception amounts and a plurality of second signal detection sections which receives other one of the pair of luminous fluxes and detects signals corresponding to light reception amounts are formed; a correlation calculating unit as defined herein; a search range determining unit as defined herein; and a focusing controller as defined herein.
US10802242B2 Camera lens suspension with enhanced auto focus electrical interconnects
A camera lens assembly is described. The camera lens assembly includes a support member. The camera lens assembly also includes a moving member having a major planar surface and AF terminal pads located at or near the major planar surface, wherein the moving member is mounted to the support member. And, the camera lens assembly includes an auto focus assembly having AF terminal pads, wherein the auto focus assembly is mounted to the moving member and the AF terminal pads of the auto focus assembly are electrically connected to the AF terminal pads of the moving member.
US10802241B2 Lens apparatus and image pickup apparatus
A lens apparatus includes a fixed barrel, a first optical element, a rotary barrel configured to be rotated relative to the fixed barrel about an optical axis of the first optical element and move the first optical element; a contact member including rolling members respectively arranged at positions about the optical axis. The rolling members are in contact with the rotary barrel. The contact member is restricted in rotation relative to the fixed barrel about the optical axis. A pressing member presses the contact member toward the rotary barrel. A second optical element is different from the first optical element. An operation member is configured to be rotated relative to the fixed barrel about the optical axis and move the second optical element. A space, through which the operation member passes, is formed between two of the rolling elements in a circumference of the contact member.
US10802239B2 Optical fiber trunk cable breakout canisters and assemblies
An optical fiber trunk cable breakout canister includes a main canister body, the main canister body extending between a first end opening and a second end opening and including a first end portion defining the first end opening and a second end portion defining the second end opening. The first end opening has a maximum width that is less than a maximum width of the second end opening. The breakout canister further includes a plate disposed within the second end portion. The breakout canister further includes a potting material disposed within the second end portion. The breakout canister further includes a retainer washer disposed within the main canister body.
US10802236B2 Fiber optic enclosure for retrofitting pedestals in the field
A telecommunications device includes a module that mounts within an interior of a housing. The housing has a door that latches closed. The module includes a module frame having a bulkhead that divides the interior of the housing into first and second regions. Fiber optic adapters are mounted to the bulkhead. First ports of the adapters are accessible at the first region of the housing interior and second ports are accessible at the second region of the housing interior. The module includes a removable cover for restricting access to the first region. The removable cover including a latch catch that interlocks with the door latch to secure the door in the closed position. The module includes a tray mounted to the module frame within the first region of the housing.
US10802233B2 Communication module handle
A communication module handle may include a base, a grasp, a hinge, and a detent. The hinge may connect the base and the grasp. The detent may be configured to maintain a position of the grasp relative to the base in an extended position. In response to the detent being subjected to a detent-releasing force, the detent may release the grasp from the extended position to a collapsed position. The grasp may be rotatable relative to the base by way of the hinge in the collapsed position.
US10802228B2 Fiber optic connectors and multiport assemblies including retention features
Fiber optic connectors and connectorized fiber optic cables include connector housings having locking portions defined on the connector housing that allow the connector housing to be selectively coupled to a corresponding push-button securing member of a multiport assembly. Methods for selectively connecting a fiber optic connector to, and disconnecting the fiber optic connector from the multiport assemblies allow for connector housings to be forcibly and nondestructively removed from the multiport assembly.
US10802226B2 Cleaning tool
A cleaning tool for cleaning a plurality of optical connectors where the cleaning tool includes: an adhesive portion that is integrally formed with the cleaning tool and that contacts a plurality of connecting end faces of the optical connectors collectively. The plurality of optical connectors are inserted into and connected with one housing that is fitted with another housing. The adhesive portion is disposed on the other housing. The adhesive portion contacts the connecting end faces collectively by fitting the one housing with the other housing.
US10802224B2 In-line hinged dust shutter assembly for a fiber optic connector
An in-line dust shutter formed as part an adapter. A hinged dust shutter assembly is secured to an adapter wall. A shutter plate covers an opening formed at either end of the adapter to prevent debris from entering the adapter and distorting the light signal between opposing fiber optic connectors. The shutter plate extends at angle alpha from a rotational axis. The shutter plate is biased closed by a bias spring place about a pin of the rotational axis.
US10802215B2 Optical waveguide, corresponding coupling arrangement, apparatus and method
An optical waveguide includes a glass waveguide body and a waveguide core through which optical radiation propagates. The waveguide core includes: a body portion extending within the waveguide body, a coupling portion extending at the surface of the waveguide body, and an S-bent intermediate portion coupling the body portion and the coupling portion. An optical coupling arrangement (e.g., for coupling one or more optical fibers to a silicon photonics device) includes one such optical waveguide and a second optical waveguide including a respective waveguide body and one or more waveguide members. The second optical waveguide is coupled with the first optical waveguide with the waveguide member(s) facing the coupling portion of the first optical waveguide.
US10802214B2 Adiabatically coupled photonic systems with vertically tapered waveguides
In an example, a photonic system and method include a photonic integrated circuit (PIC) including a silicon (Si) waveguide and a first silicon nitride (SiN) waveguide. The system also includes an interposer including a second SiN waveguide including vertical tapers on the second SiN waveguide by increasing a thickness of the second SiN waveguide in a direction toward the first SiN waveguide to allow an adiabatic optical mode transfer and decreasing the thickness of the second SiN waveguide in a direction away from the first SiN waveguide to inhibit the optical mode transfer.
US10802209B2 Cladding light stripper
A cladding light stripper may include a double-clad optical fiber having a core for guiding signal light, an inner cladding surrounding the core, and an outer cladding surrounding the inner cladding. The optical fiber may include a stripped portion forming an exposed section. The exposed section may include a plurality of spirally-arranged transversal notches disposed along the optical fiber to enable light to escape the inner cladding upon impinging on the plurality of notches. A circumferential segment of the optical fiber may include a single notch of the plurality of notches. Each of the plurality of notches may have a depth of only a partial distance to the core.
US10802207B2 Backlight module
The present invention provides a backlight module including a back bezel and a frame. The back bezel is provided with a wall disposed along a first side of the back bezel. The wall is provided with a first wall portion and a second wall portion alternately arranged along the first side, and the first wall portion and the second wall portion are each provided with an inner side surface and an outer side surface opposite to the inner side surface. In the backlight module, the inner side surface of the second wall portion protrudes toward the interior of the back bezel more than the inner side surface of the first wall portion. The frame extends at least partially along the first side and is positioned on the wall. The frame is provided with a first frame wall and a second frame wall alternately arranged and protruding toward a base of the wall. In the backlight module, the first frame wall correspondingly abuts against the inner side surface of the first wall portion, and the second frame wall correspondingly abuts against the outer side surface of the second wall portion.
US10802205B2 Backlight module, display module and display device
A backlight module, a display module and a display device are disclosed. The display module includes a backlight module; a display panel located at a light exit side of the backlight module; and a first optical adhesive layer located between the backlight module and the display panel. The display panel and the backlight module are adhered to each other through the first optical adhesive layer.
US10802203B2 Lighting device and display device
A lighting device includes a light source having a light exit surface, an optical member covering the light exit surface and applying an optical action to light exiting the light source, and a prism sheet coveting the optical member from an opposite side from the light source, and the prism sheet includes prism portions and a light reflecting portion that covers a part of a surface of the prism portions opposite from the optical member.
US10802194B2 Direct type reflective sheet structure and backlight module
Disclosed is a direct type reflective sheet structure, comprising a reflective sheet, on which a plurality of light emitting diode light sources are arranged in an array. A plurality of triangular prism-shaped microstructures is arranged at intervals on the reflective sheet around each of the light emitting diode light sources. Each of the microstructures has a reflective surface facing the light emitting diode light source to reflect light emitted by the light emitting diode light source. Further disclosed is a direct type backlight module. By implementing the embodiment of the present invention, it can avoid the appearance of color deviation on the display panel and reduce the loss of light.
US10802188B2 Polarizer, display panel and display device
A polarizer, a display panel and a display device are disclosed. The polarizer includes a view area (VA) and a peripheral area. A notch is disposed in the peripheral area. A side of the notch away from the view area is configured to place a circuit board.
US10802187B2 Circularly polarizing plate, display device, and multilayer retarder
A circularly polarizing plate includes: a first retardation layer having negative refractive index anisotropy; a second retardation layer having positive refractive index anisotropy; and a linear polarizer, the first retardation layer and the second retardation layer being disposed such that their optical axes are parallel to each other, the first retardation layer providing an in-plane retardation whose absolute value is |R1(λ)| to light having a wavelength of λ nm, the second retardation layer providing an in-plane retardation whose absolute value is |R2(λ)| to light having a wavelength of λ nm, the first retardation layer and the second retardation layer satisfying the following formulas (1) to (4): |R1(450)|>|R1(550)|>|R1(650)|  (1) |R2(550)|>|R1(550)|  (2) |R2(550)|−|R1(550)|>|R2(450)|−|R1(450)|  (3) |R2(650)|−|R1(650)|>|R2(550)|−|R1(550)|  (4).
US10802185B2 Multi-level diffractive optical element thin film coating
A transmissive optical element may include a substrate. The transmissive optical element may include a first anti-reflectance structure for a particular wavelength range formed on the substrate. The transmissive optical element may include a second anti-reflectance structure for the particular wavelength range formed on the first anti-reflectance structure. The transmissive optical element may include a third anti-reflectance structure for the particular wavelength range formed on the second anti-reflectance structure. The transmissive optical element may include at least one layer disposed between the first anti-reflectance structure and the second anti-reflectance structure or between the second anti-reflectance structure and the third anti-reflectance structure.
US10802184B2 Reflective diffraction gratings employing efficiency enhancement or etch barrier layers
A diffraction grating comprises a substrate (with index nsub) with a surface facing an optical medium (with index nmed
US10802183B2 Thin film total internal reflection diffraction grating for single polarization or dual polarization
A diffraction grating may include a substrate. The diffraction grating may include an etch stop layer to prevent etching of the substrate. The etch stop layer may be deposited on the substrate. The diffraction grating may include a marker layer to indicate an etch end-point associated with etching of a dielectric layer. The marker layer may be deposited on a portion of the etch stop layer. The diffraction grating may include the dielectric layer to form a grating layer after being etched. The dielectric layer may be deposited on at least the marker layer.
US10802178B2 Anti-reflective film
Disclosed herein is an anti-reflective film including: a hard coating layer; and a low-refractive layer containing a binder resin, and hollow inorganic nanoparticles and solid inorganic nanoparticles which are dispersed in the binder resin, wherein the low-refractive layer includes a first layer containing at least 70 vol % of the entire solid inorganic nanoparticles and a second layer containing at least 70 vol % of the entire hollow inorganic nanoparticles, and at the time of fitting polarization ellipticity measured by ellipsometry for the first layer or/and the second layer included in the low-refractive layer using a Cauchy model represented by the following General Equation 1, the second layer satisfies a predetermined condition.
US10802176B2 Methods and devices for magnetic resonance measurements using decoupled transmit antennas
A nuclear magnetic resonance apparatus includes a magnet assembly, a transmitting antenna configured to generate an oscillating magnetic field in a sensitive volume within an earth formation, and one or more receiving antennas configured to detect a nuclear magnetic resonance signal originating in the sensitive volume. The one or more receiving antennas are arranged relative so that the one or more receiving antennas are inductively decoupled from the transmitting antenna, a first portion of the surface area of the one or more receiving antennas overlapping a first region of the transmitting antenna in which a magnetic flux of the transmitting antenna is in a first direction, and a second portion of the surface area of the one or more receiver antennas overlapping a second region of the transmitting antenna in which the magnetic flux is in a second direction predominantly opposed to the first direction.
US10802174B2 Apparatuses and methods for determining properties of subterranean layers
Apparatus (10) for use in determining values of properties of n layers (16,17) of a borehole (11) formed in the Earth's crust (12) comprises a plurality of at least (2n-1) sensor members (19,21,22) of mutually differing, known or calculable, geometric factors, as defined with reference to a sample under investigation comprising n layers. The sensor members (19,21,22) are capable of detecting reflected or transmitted electromagnetic energy and the apparatus (10) includes one or more supports (24,26′) for supporting the sensor members (19,21,22) in a said borehole (11) adjacent and/or in contact with one or more said layers (16,17), the apparatus (10) being capable of causing transmission of electromagnetic energy along, and/or reflection of electromagnetic energy at, each sensor member (19,21,22) in a manner permitting the calculation of values of properties of such layers (16,17) based on reflected or transmitted energy values detected at the sensor members (19,21,22).
US10802173B2 Resource estimation system and resource estimation method
Exploration of resources of the bottom of water such as a seafloor based on a self-potential is accurately performed. A computer of a resource estimation system includes an estimation information acquisition unit that acquires potential information indicating potentials of a plurality of potential electrodes having a predetermined positional relationship measured at a plurality of positions in water, a noise removal unit that removes noise contained in the measured potentials by performing principal component analysis or independent component analysis using the potentials, and a resource estimation unit that estimates the presence of the resources in the bottom of water based on the potential from which the noise has been removed.
US10802172B2 Method and system for detecting a specific relative position between two objects
A system for detecting a specific relative position between a reader and a receiver, including: an inductive contactless receiver including an antenna winding and a circuit for selectively modulating a load; an inductive contactless reader including: a transceiver antenna circuit having nonzero mutual inductance with the antenna winding for the position, a communication circuit connected to the transceiver antenna circuit, a receiver antenna circuit having mutual inductance with the antenna winding that exhibits a minimum for the position, and a processing circuit for: identifying presence of a receiver by detecting nonzero mutual inductance between the transceiver antenna circuit and an antenna winding, and detecting a mutual inductance minimum between the receiver antenna circuit and an antenna winding.
US10802170B2 Method for characterizing gas-bearing reservoir based on logging constraint
The invention relates to petroleum seismic exploration, and more specifically to a method for gas-bearing reservoir characterization using logging information. In the method, logging information is used as a constraint to indirectly characterize the distribution range of the gas-bearing reservoir by determining the upper and lower boundaries. In addition, this method enables the automatic determination of the optimal calculation parameters according to the characteristics of input data, allowing for more accurate results.
US10802167B2 Seismic acquisition method and apparatus
The presently disclosed seismic acquisition technique employs a receiver array and a processing methodology that are designed to attenuate the naturally occurring seismic background noise recorded along with the seismic data during the acquisition. The approach leverages the knowledge that naturally occurring seismic background noise moves with a slower phase velocity than the seismic signals used for imaging and inversion and, in some embodiments, may arrive from particular preferred directions. The disclosed technique comprises two steps: 1) determining from the naturally occurring seismic background noise in the preliminary seismic data a range of phase velocities and amplitudes that contain primarily noise and the degree to which that noise needs to be attenuated, and 2) designing an acquisition and processing method to attenuate that noise relative to the desired signal.
US10802164B2 Method and apparatus for performing pattern recognition for a tunable sensor system to detect neutron and gamma particles
A computer implemented method of detecting neutrons in images from a tunable sensor system comprises training a deep learning process to recognize known radiation-dependent signature patterns created by neutrons in test images. The method further comprises splitting an input image into a plurality of frames and passing the plurality of frames through the deep learning process in order to recognize neutrons in the plurality of frames. Subsequently, the method comprises recombining the plurality of frames back into the input image. For each pixel within the input image, the method comprises examining pixels connected to a respective pixel to determine if a signature pattern particular to neutrons is present within the input image and counting a number of neutrons within the input image using results from the examining.
US10802163B2 Substrate for digital x-ray detector, digital x-ray detector including the same and manufacturing method thereof
A substrate for a digital X-ray detector configured to sense an X-ray signal, a detector including the same, and a manufacturing method thereof. According to an embodiment of the present disclosure, the substrate for an X-ray detector includes an interlayer dielectric layer arranged on a thin film transistor, a first passivation layer and a second passivation layer arranged on the interlayer dielectric layer, and a hydrogen blocking layer arranged on at least one of the first passivation layer and the second passivation layer in a transistor region corresponding to the thin film transistor.
US10802160B2 Rapid determination of precise position by aiding data
A relative positioning module applies a real-time kinematic (RTK) algorithm to provide relative position vector between reference receiver and rover receiver and to provide recovery data. At the rover, the precise positioning module applies the relative position vector, the aiding data, recovery data, and correction data as inputs, constraints, or both for convergence of one or more predictive filters on wide-lane and narrow-lane ambiguities (e.g., in accordance with a precise positioning algorithm). At the rover, the precise positioning module or the navigation positioning estimator estimates a precise position of the rover based on the converged or fixed narrow-lane ambiguities and wide-lane ambiguities.
US10802149B2 LADAR enabled impact mitigation system
A collision mitigation system makes use of ladar sensors to identify obstacles and to predict unavoidable collisions therewith, and a duplex radio link in communication with secondary vehicles, and a number of external airbags deployable under the control of an airbag control unit, to reduce the forces of impact on the host vehicle, secondary vehicles, and bipeds and quadrupeds wandering into the roadway. A suspension modification system makes use of ladar sensors to identify road hazards, and make adaptations to a number of active suspension components, each with the ability to absorb shock, elevate or lower the vehicle, and adjust the spring rate of the individual wheel suspensions.
US10802147B2 System and method for concurrent odometry and mapping
An electronic device tracks its motion in an environment while building a three-dimensional visual representation of the environment that is used to correct drift in the tracked motion. A motion tracking module estimates poses of the electronic device based on feature descriptors corresponding to the visual appearance of spatial features of objects in the environment. A mapping module builds a three-dimensional visual representation of the environment based on a stored plurality of maps, and feature descriptors and estimated device poses received from the motion tracking module. The mapping module provides the three-dimensional visual representation of the environment to a localization module, which identifies correspondences between stored and observed feature descriptors. The localization module performs a loop closure by minimizing the discrepancies between matching feature descriptors to compute a localized pose. The localized pose corrects drift in the estimated pose generated by the motion tracking module.
US10802145B2 Measuring device, measuring method, and programs therefor
A technique for efficiently performing operations for identifying a current position in a method of measuring electromagnetic waves is provided. A measuring device includes a measurement planned position data receiving unit 302, a current position data receiving unit 303, and a GUI controlling unit 306. The measurement planned position data receiving unit 302 receives data of measurement planned positions at each of which electromagnetic waves are measured. The current position data receiving unit 303 receives data of a current position of an electromagnetic wave measuring device. The GUI controlling unit 306 controls displaying of a relationship between the current position of the electromagnetic wave measuring device and the measurement planned position on a display based on data of the measurement planned positions and data of the current position.
US10802144B2 Method and device of measuring the distance to an object
A method of measuring the distance to an object by radiating a periodic amplitude-modulated optical signal to the object and detecting the phase difference between the radiated optical signal and a reflected optical signal from the object includes: generating a first photo-detection control signal to control the periodic amplitude-modulation of the radiated optical signal; generating a mask signal activated at least during a shuttering duration for resetting the voltage level at a sensing node; and generating a second photo-detection control signal based on Boolean combination of the first photo-detection signal and the mask signal such that the second photo-detection signal is deactivated or masked at least during the shuttering duration.
US10802143B2 Distance measurement device, deriving method for distance measurement, and deriving program for distance measurement
A distance measurement device includes an imaging unit, a measurement unit that measures a distance to a subject by emitting directional light which is light having directivity to the subject and receiving reflection light of the directional light, and a deriving unit that acquires a correspondence relation between an in-provisional-image irradiation position, which corresponds to an irradiation position of the directional light onto the subject, within a provisional image acquired by provisionally imaging the subject by the imaging unit whenever each of a plurality of distances is provisionally measured by the measurement unit and a distance which is provisionally measured by the measurement unit by using the directional light corresponding to the in-provisional-image irradiation position, and derives an in-actual-image irradiation position, within an actual image acquired by performing actual imaging by the imaging unit, based on the acquired correspondence relation.
US10802142B2 Using ultrasound to detect an environment of an electronic device
In one embodiment, a method includes transmitting, from a first transducer of an electronic device, a first audio signal to a surface near the electronic device. The first audio signal is generated based on a frequency sweep across a range of frequencies. The method also includes receiving, at a second transducer of the electronic device, a second audio signal that is at least partly reflected off the surface. The method then determines an attribute of the surface based on the received second audio signal.
US10802141B2 Water temperature overlay systems and methods
Techniques are disclosed for systems and methods to provide water temperature and sonar imagery for users of mobile structures, including watercraft. A water temperature display system includes a water temperature sensor and a logic device configured to communicate with the water temperature sensor. The water temperature sensor is configured to measure a temperature of or near a surface of a body of water. The logic device is configured to render water temperatures according to a three dimensional view of an area about a mobile structure. Subsequent user input, water temperatures, and/or the rendered view may be used to adjust a steering actuator, a propulsion system thrust, and/or other operational systems of the mobile structure.
US10802139B2 Radar apparatus
An antenna apparatus has an antenna unit. The antenna unit transmits or receives a probe wave made of an electromagnetic wave. A magnet is disposed at a location through which the probe wave to be received by the antenna unit passes. The magnet works to generate a magnetic field along a direction in which the probe wave propagates. A polarizing filter is arranged on an opposite side of a magnetic body to the antenna unit. This minimizes the interference between an emitted wave and a reflected wave created by a cover, such as a bumper, regardless of the configuration of the cover.
US10802137B2 Method for compensation of the effect of antenna off-pointing in an SAR image and radar implementing such a method
The SAR is provided formed from a plurality of elementary images issued from successive emission spots, the elementary images overlapping zones of overlap, the measurement of the off-pointing is carried out on the basis of the difference between the energies received from two successive spots in a zone of overlap, the compensation being applied to the antenna reception gain in light of the measurement.
US10802136B2 Water network monitoring system
Embodiments are directed to a water network monitoring system for determining leakage from a network. The water network may comprise any of pipelines, aqueducts, reservoir dams, reservoir embankments and sewers. The present water network monitoring system employs Earth observation data, such as synthetic aperture radar (SAR) data and optical data, collected from a geographical region that includes the water network system of interest. This data is collected over successive time periods and analysed to detect any abnormal changes in the indicators within the area in the vicinity of the water network.
US10802135B2 Method and apparatus for raw sensor image enhancement through georegistration
A method and apparatus for generating an image from raw sensor data. In one embodiment, the method comprises reading the raw sensor data from a sensor, the raw sensor data taken from a sensor at a sensor inertial state, generating an estimate of the sensor inertial state, retaining the raw sensor data while performing steps comprising: generating an image, the image generated at least in part from the estimated sensor inertial state and the raw sensor data and generating an updated estimate of the sensor inertial state, the updated estimate of the sensor inertial state generated at least in part from the generated image and the estimated sensor inertial state. Finally, an enhanced image is generated from the retained raw sensor data and the updated estimate of the sensor inertial state.
US10802132B2 Position-sensing sensor and position-sensing system
A position-sensing sensor of a position-sensing system includes first and a second radio transponders that each have a transmitter/receiver connected to an antenna and has a memory for persistent data storage, wherein the first radio transponder has an energy supply source and is selectively switchable into a reduced energy consumption idle state and into an active operating state with complete range of functionality, where during the active operating state, a radio connection to a first radio transponder reader is established for position sensing, where the second radio transponder, which is inductively supplyable with energy by a radio transponder reader, upon entering a range of a second radio transponder reading unit, transfers the first radio transponder from the idle state into the active operating state or transfers position information associated with the second radio transponder to a server of the position-sensing system via the second radio transponder reader.
US10802130B2 Marine target detection in cluttered environments
Method of slowly moving target detection with application for coastal surveillance radars. This method improves the well know other methods and efficiently detects targets with a high accuracy. The proposed method consists of three steps that are: step of generation and processing of signals with complex modulation; step of target clustering and step of detection of slowly moving targets in clutter environments.
US10802129B2 Doppler measurement method in wireless LAN system
Disclosed is a Doppler measurement method comprising: generating a first function defined by reception signals in two consecutive subcarriers for a specific OFDM symbol; generating a second function defined on the basis of the signs and sizes of a real part and an imaginary part of the first function; repeatedly performing a process of generating the first function and the second function for all of a set of OFDM symbols; and determining, as a Doppler value, the phase of a third function obtained by adding the results of repeatedly performing the process.
US10802127B2 Radar fill level measurement device
A radar fill level measurement device can be provided, which comprises a frequency synthesizer configured to generate an oscillator signal, a high-frequency signal generation module configured to generate a transmission signal based on the oscillator signal, and an energy-supply module configured to supply electrical energy to the frequency synthesizer and the high-frequency signal generation module. Associated methods and computer-accessible medium can also be provided. The frequency synthesizer can comprise a control device, a reference oscillator and a phase-locked loop. The phase-locked loop can comprise a phase-locked device and an oscillator. The phase-locked loop can be configured to adjust a frequency of the oscillator signal to a target value, and the phase-locked device can be configured to provide a control signal for the control device when the frequency of the oscillator signal has reached the target value. The control device can also be configured to actuate the energy-supply module to supply the electrical energy to the high-frequency signal generation module before the control signal is provided by the phase-locked device.
US10802125B2 Touch-gesture control for side-looking sonar systems
Techniques are disclosed for systems and methods to provide touch screen side-scan sonar adjustment for mobile structures. A side-scan sonar adjustment system includes a user interface with a touch screen display and a logic device configured to communicate with the user interface and a side-scan sonar system. The user interface is configured to receive and/or display side-scan sonar data provided by the side-scan sonar system. The logic, device is configured to determine a horizontal swipe gesture rate component performed on the touch screen display, stretch the displayed image in accordance with the swipe gesture, and snap to a new field of view in accordance with current field of view and swipe length information. The user interface and logic device may be integrated together to form a multifunction display used to power and/or supply side-scan sonar transmission signals to the side-scan sonar system.
US10802123B2 Method and system for failure detection of a mechanical ultrasound transducer assembly
An ultrasound probe may include a mechanical transducer and a probe housing. The mechanical transducer may be rotatable about an axis. The mechanical transducer may be operable to acquire ultrasound image data at one or more rotational positions of a plurality of rotational positions. The probe housing may include a probe cap covering the mechanical transducer. The mechanical transducer may be directed toward the probe cap at each of the plurality of rotational positions. The probe cap may include a defined structure having a first thickness and a remainder portion having a second thickness different than the first thickness. In various embodiments, at least a portion of the defined structure is at a center section of the probe cap corresponding with a center rotational position of the mechanical transducer.
US10802122B1 Methods and systems for calibration of multiple lidar devices with non-overlapping fields of view
A method and a system of calibration of a first lidar device and a second lidar device are described. Lidar returns recorded by the first and the second lidar devices as the vehicle moves along a path according to a predetermined path pattern in an environment are received. A subset of pairs of positions of the vehicle is determined. Each pair includes a first position and a second position. A first field of view of the first lidar device when the vehicle is located at the first position overlaps with a second field of view of the second lidar device when the vehicle is located at the second position. For each pair, an estimate of transformation is determined between a first subset of the lidar returns and a second subset of the lidar returns. An extrinsic calibration transformation is determined based on the estimates of the transformations.
US10802121B1 Cleaning apparatus for sensor
A sensor apparatus includes a LIDAR sensor, a camera having a field of view encompassing a volume directly forward of the LIDAR sensor, a nozzle aimed at least partially upward and positioned forward of the LIDAR sensor, and a computer programmed to increase output from the nozzle upon determining that an object is traveling rearward through the field of view based on data received from the camera.
US10802120B1 Coherent pulsed lidar system
In one embodiment, a lidar system includes a light source configured to emit (i) local-oscillator light and (ii) pulses of light, where each emitted pulse of light is coherent with a corresponding portion of the local-oscillator light. The lidar system also includes a receiver configured to detect the local-oscillator light and a received pulse of light, the received pulse of light comprising light from one of the emitted pulses of light that is scattered by a target located a distance from the lidar system. The local-oscillator light and the received pulse of light are coherently mixed together at the receiver. The receiver includes one or more detectors configured to produce one or more respective photocurrent signals corresponding to the coherent mixing of the local-oscillator light and the received pulse of light. The receiver also includes a pulse-detection circuit configured to determine a time-of-arrival for the received pulse of light.
US10802114B2 Device and method for uniform far-field illumination with LEDs
A light source for illuminating a selected surface, the light source comprising a plurality of Light Emitting Diodes (LED) mounted on a substrate; each of the plurality of LEDs having an optical axis and generating a radiation pattern propagating along the optical axis. The plurality of LEDs are arranged so that each optical axis is oriented substantially towards a determined far-field central point; and the plurality of LEDs provide a predetermined irradiance distribution on the selected surface. Each of the radiation patterns defines a preferential direction; and each of the plurality of LEDs is arranged so that the preferential direction of each of the plurality of LEDs is unique.
US10802112B2 Method, device, and system for simultaneously detecting different weapon threats using reflected radar return signals
A chirped radio frequency signal is transmitted across an area of a potential threat. A reflected radio frequency return signal from an open barrel of a weapon at a location within the area of the potential threat is received at an incident angle through an aperture. An antenna at a position in an antenna array detects the reflected radio frequency return signal received at the incident angle through the aperture. The position of the antenna within the antenna array corresponds to a direction from which the reflected radio frequency return signal originates.
US10802110B2 Vehicular radar interference management using basic safety messages
The disclosure includes embodiments for minimizing radar interference. In some embodiments, a method includes observing, for a time frame, an order in which Basic Safety Messages (“BSMs”) are received by a DSRC radio of the ego vehicle and broadcasted by the DSRC radio of the ego vehicle. In some embodiments, the method includes building a data structure that includes digital data that describes the order in which the BSMs were received and transmitted by the DSRC radio during the time frame. In some embodiments, the method includes assigning, by the onboard computer of the ego vehicle, radar parameters to the one or more other DSRC-enabled vehicles and the ego vehicle based on the order described by the digital data included in the data structure.
US10802106B2 Vehicle communication control device
A vehicle communication control device used for a vehicle includes a nearby vehicle information acquirer, a subject vehicle information generator, an assistance information generator, a difference calculator, and a cycle changer. The nearby vehicle information acquirer successively acquires nearby vehicle information representing running condition of a nearby vehicle and generation time of the nearby vehicle information. The subject vehicle information generator cyclically generates subject vehicle information representing running condition of a subject vehicle. The assistance information generator generates assistance information for driving assistance of the subject vehicle by using the nearby vehicle information and the subject vehicle information. The difference calculator calculates a difference between generation time of the most recent subject vehicle information and generation time of the most recent nearby vehicle information. The cycle changer changes a generation cycle of the subject vehicle information so as to decrease the difference.
US10802103B2 System for enhanced indoor and outdoor position measurement
A system and method for measuring the position of one or more object in an area of interest. The system has a primary beacon located at a first fixed position in or near the area of interest which generates a time referenced primary signal, two or more secondary beacons located at different fixed positions in or near the area of interest which generate time referenced secondary signals and one or more portable tag, the portable tag being attachable to the object. The portable tag has a portable tag circuit for calculating the distance of the portable tag to the primary and secondary beacons by a time of flight calculation which uses, the known position of the primary and secondary beacons, time referenced signals and delay information associated with the time referenced signals, such that the portable tag calculates its own position.
US10802100B2 Method for obtaining magnetic resonance imaging (MRI) echo-planar image (EPI) data
A method for obtaining magnetic resonance imaging (MRI) echo-planar image (EPI) data, including providing a homogeneous, static background field; providing a gradient field to select a slice of an object for imaging; applying Radio-frequency (RF) pulses to excite magnetic resonance in the selected slice; and measuring a radio frequency signal emitted by the selected slice containing image data. The RF pulses are repeatedly applied separated by a time period shorter than a recovery time of static material in the selected slice such that the static material remains in a state of magnetic saturation, while dynamic material arriving within the slice since a previous RF pulse is not magnetically saturated.
US10802096B2 Methods and systems for magnetic resonance imaging
A method for magnetic resonance imaging (MRI) may include obtaining a plurality of k-space datasets related to a scanning of a subject performed by an MRI scanner. The method may also include obtaining at least one filter for processing the plurality of k-space datasets, and applying the at least one filter to the plurality of k-space datasets convolutionally to obtain a plurality of processed k-space datasets. By applying the at least one filter, an application region extending through the plurality of k-space datasets may be determined within the plurality of k-space datasets, and a data point within the application region may be modified based at least on the other data points within the application region. The method may further include generating an image based on at least one of the processed k-space datasets.
US10802093B2 Acquisition of magnetic resonance signals
Systems and methods are provided for receiving magnetic resonance signals by a magnetic resonance device. The magnetic resonance signals are received using at least one active receive coil element. The magnetic resonance device includes a multiplexer with a signal output and a number of signal inputs. A first portion of the signal inputs are each connected with one of the at least one active receive coil element. The remaining portion of the number of signal inputs are not connected to an active receive coil element. The multiplexer does not interconnect at least one part of the remaining part of the number of signal inputs with the signal output.
US10802091B2 Monitoring an absorption rate of inductively coupled coils
The disclosure relates to a method for monitoring an absorption rate when using a primary coil of a magnetic resonance device and a secondary coil inductively coupled to the primary coil and to a monitoring unit, a magnetic resonance device and a computer program product. According to the method a maximum admissible absorption rate is provided, using which a maximum admissible B1 field strength of the secondary coil is determined. Furthermore, an actual B1 field strength of the secondary coil is determined. The absorption rate is monitored using the actual B1 field strength of the secondary coil and the maximum admissible B1 field strength of the secondary coil.
US10802089B2 Devices and methods for increasing magnetic sensor sensitivity
Provided are magnetic sensors, which include a magnetic sensor element having a sensor surface modification and an inter-element area adjacent to the magnetic sensor element and having an inter-element area surface modification, where the sensor surface modification and the inter-element area surface modification provide a binding surface in the inter-element area. Also provided are devices, systems and methods in which the subject magnetic sensors find use.
US10802087B2 Spintronic accelerometer
A magnetic tunnel junction (MTJ) based sensor device includes a MTJ element and processing circuitry. The MTJ element includes a free layer, a pinned layer, and a tunnel barrier, the tunnel barrier being arranged between the free layer and the pinned layer. The free layer is adapted to flex away from the tunnel barrier during acceleration. The processing circuitry is configured to measure a resistance at the MTJ element and determine acceleration based on the resistance at the MTJ element.
US10802081B2 Method and system for analyzing waveforms in power systems
A method and system for analyzing waveform capture data is provided. In one aspect, the method comprises receiving, by a controller from an intelligent electronic device, waveform capture data indicative of an electrical event, extracting, from the waveform capture data, electrical event data, extracting, from memory associated with the controller, additional data, classifying the waveform capture data into a category of a plurality of categories using the electrical event data, comparing the electrical event data and the additional data to stored data, diagnosing the electrical event and a cause of the electrical event based on the comparison and providing an indication of the cause of the electrical event.
US10802077B1 Test circuit for dynamic checking for faults on functional and BIST clock paths to memory in both ATPG and LBIST modes
A test circuit includes a BIST clock generator and a functional clock generator. A first multiplexer selectively passes the BIST clock or the functional clock as a selected clock in response to a clock selection signal. BIST logic operates based upon the BIST clock. Functional logic operating based upon the functional clock signal. A memory operates based upon the selected clock. When the test circuit is operating in BIST mode, a clock selection circuit receives and passes a BIST signal as the clock selection signal. When the test circuit is operating in a shift phase of a scan test mode, it generates the clock selection signal as asserted, and when the test circuit is operating in the capture phase of the scan test mode, it generates the clock signal as equal to a last bit received from a scan chain.
US10802069B2 Appliances with PCB trace integrity sensing
An appliance with automatic sensing of printed circuit board (PCB) trace integrity and associated methods of sensing are provided. The appliance may include a controller operative to control operation of the appliance, a load in operative communication with the controller, and a PCB. The PCB may include a first trace supplying AC power to the load, a second trace supplying a return path for the AC power, a third trace supplying an alternate return path for the AC power, and current sensing circuitry. The current sensing circuitry may be configured to sense leakage current between the first trace and the third trace, with the leakage current being indicative of declining trace integrity of the PCB.
US10802060B2 Systems and methods for providing statistical dynamic meter data validation
Systems, methods, and other embodiments are disclosed for validating measured meter data. In one embodiment, a graphical user interface is provided that facilitates configuration of a validation algorithm by a user. Historical usage data is accessed during a non-peak time to offload processing from a peak time. The non-peak time corresponds to a time span when the measured meter data is not being received and/or is not being validated, and the peak time corresponds to a different time span when the measured meter data is being validated. Statistical data is generated from the historical usage data during the non-peak time and stored in a memory. The measured meter data is received and the statistical data is accessed during the peak time. The measured meter data is validated by applying the validation algorithm to the statistical data and the measured meter data during the peak time.
US10802058B2 Tracking energy consumption using a sepic-converter technique
The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least one inductor and a control block to keep the output voltage at a pre-selected level. The switching elements are configured to apply the source of energy to the inductors. The control block compares the output voltage of the energy tracking system to a reference value and controls the switching of the switched elements in order to transfer energy for the primary voltage into a secondary voltage at the output of the energy tracking system. The electronic device further comprises an ON-time and OFF-time generator and an accumulator wherein the control block is coupled to receive a signal from the ON-time and OFF-time generator and generates switching signals for the at least one switching element in the form of ON-time pulses with a constant width ON-time.
US10802054B2 High-fidelity voltage measurement using a capacitance-coupled voltage transformer
The present disclosure pertains to systems and methods for detecting traveling waves in electric power delivery systems. In one embodiment, a system comprises a capacitance-coupled voltage transformer (CCVT) in electrical communication with the electric power delivery system, the CCVT comprising a stack of capacitors and an electrical contact to a first ground connection. A current transformer is disposed between the stack of capacitors and the first ground connection. The current transformer provides an electrical signal corresponding to a current associated with the CCVT. An intelligent electronic device (IED) in electrical communication with the first current measurement device generates a voltage signal based on the electrical signal from the current transformer. The IED detects a traveling wave based on the first voltage signal; and analyzes the traveling wave to detect a fault on the electric power delivery system.
US10802051B2 Waveform display device that allows cycle time comparison to be made
A waveform display device displays first and second waveform data whose value changes with respect to a time axis. Based on a first point on the first waveform data, a second point on the second waveform data which is in a correspondence with the first point is obtained. Correspondence data indicating a correspondence between the first point and the second point is generated. Then, based on the correspondence data, the first and second waveform data is displayed in a manner such that a predetermined point (a reference point) on the first waveform data and a point on the second waveform data which is in a correspondence with the reference point overlap one another on a time axis.
US10802033B2 Method for measuring a plurality of status parameters of a fluid contained in a container
A method is provided for measuring status parameters of a fluid contained in a container (10). The container (10) is configured for single use and has a wall on which a sensor-carrier plate is fixed in a fluid-tight manner. The plate carries sensors (S1-S5) that are in operative contact with the internal chamber of the container (10) and connected for data exchange (14) with an external control unit (16) that receives and processes the measurement data from the sensors (S1-S5). The sensor plate also carries a temporarily inactive duplicate (D1-D5) of at least one of the sensors (S1-S5) that is activated if measurement data of the sensor (S1-S5) is classified as atypical in the context of an integrity or plausibility test carried out by the external control unit (16).
US10802032B2 Blood diagnostics for evaluating and predicting brain damage after a concussion or other head injury
Methods and materials are disclosed for evaluating head brain injuries that do not involve blood loss or skull fractures, such as possible concussions. These methods and materials involve bioreagents (such as monoclonal antibodies, single-stranded DNA or RNA, etc.) affixed to computer-readable devices handled by electronic readers that can interact with portable computers (such as laptops, pads or tablets, smart phones, etc.). The bioreagents will detect the presence and concentration of at least two metabolites that are released by mitochondria in response to cellular damage. Additional bioreagents may be included, for detecting and quantifying other damage-associated molecular patterns (DAMP's). When used along with cognitive, reasoning, and/or response tests, this type of analysis can help non-physicians assess the severity of, and proper responses to, head traumas that otherwise are difficult or impossible to reliably evaluate.
US10802028B2 Systems and methods for analyzing persistent homeostatic perturbations
This invention is in the field of homeostasis analysis. More particularly, it relates to systems and methods for analyzing persistent homeostatic perturbations, i.e. chronic stress, by measuring levels of biomarkers that are related to chronic stress. This invention is also directed to systems and methods for analyzing the molecular mechanisms of chronic stress.
US10802014B2 Apparatus for improved disease detection
An apparatus for detecting a disease in a biological subject comprises a delivery system and at least two sub-equipment units which are combined or integrated in the apparatus, wherein the delivery system is capable of delivering the biological subject to at least one of the sub-equipment units and each sub-equipment unit is capable of detecting at least one property of the biological subject. Methods for detecting a disease with the apparatus are also provided.
US10802013B2 Simplified nuclei analysis platform and biomarker matrix that supports genotoxic mode of action determinations
The present invention relates a simple method for evaluating free eukaryotic cell nuclei for biomarkers of DNA damage and/or transcription factor activation, activity, or expression levels and/or epigenetic modifications to chromatin or chromatin-associated factors. The invention also teaches useful strategies for combining nuclear biomarkers into a matrix of endpoints that are capable of elucidating genotoxicants' primary mode of DNA-damaging activity. Kits for conducting methods according to the invention are also described.
US10802007B2 Oxygen detecting composition and oxygen detecting body
To provide: a composition for oxygen detection, which has excellent oxygen detection characteristic (ability), and which is safer than conventional compositions for oxygen detection, thereby being able to be sealed in packages containing food, pharmaceutical products or the like without anxiety; and an oxygen detector onto which this composition for oxygen detection is applied or printed. This composition for oxygen detection contains a redox dye, a food dye, a reducing sugar, an edible reduction promoter and an edible humectant in the composition, and enables quick detection of the presence or absence of oxygen by means of color change. Since this composition for oxygen detection is composed only of food, a pharmaceutical product and edible components allowed to be used for the food or pharmaceutical product, this composition for oxygen detection is safe to the human body.
US10802003B2 Method and system for decoupling a capillary column from a gas chromatography-mass spectrometry (GC-MS) system
A column-sealing tool is provided for use during decoupling of a capillary column from a gas chromatography-mass spectrometry (GC-MS) system. The column-sealing tool includes an engagement structure for removably securing the column-sealing tool within a high vacuum enclosure of the GC-MS system, at a location between a high vacuum end of a transfer line and a mass analyzer of the GC-MS system. Additionally, the column-sealing tool includes a sealing element that is actuatable between a non-sealing position and a sealing position. During use the sealing element forms a secondary vacuum seal with the first end of the transfer line when the column-sealing tool is inserted into the GC-MS system and when the sealing element is in the sealing position.
US10801998B2 Identifying structural defect geometric features from acoustic emission waveforms
The current disclosure determines if structural faults exist and extracts geometric features of the structural faults from acoustic emission waveforms, such as crack length and orientation, and can evaluate the structural faults online, during normal operation conditions.
US10801997B2 Method and system of evaluating cement bonds through tubing
A method and system for inspecting cement downhole. The method may comprise inserting an inspection device inside a tubing. The inspection device may comprise a centralizing module as well as a transducer, an azimuthal receiver, and a telemetry module. The method may further comprise activating the transducer, wherein the transducer generates a low-frequency cylindrical acoustic wave with normal incidence, detecting the locations and strengths of resonances generated, and creating a graph with an information handling system for analysis.
US10801994B2 Pipe pig
A pipe pig for travelling along the bore of a pipe, the pipe pig comprising a tubular body extending along a longitudinal axis between a first end and a second end, and a plurality of discs extending radially from the longitudinal axis. At least one of the discs is a sensor disc that includes a plurality of electromagnetic sensors disposed therein.
US10801992B2 Drift tubes, ion mobility spectrometers systems, and methods of classifying charged particles
Ion mobility spectrometers and drift tubes including an inlet configured to receive ions, and an outlet, and an internal portion having a pressure at about atmospheric pressure, wherein the drift tube is configured to separate ions using a convective velocity from a carrier gas that transports the ions from the inlet to the outlet, a second controllable velocity that alters a migration of the ions from the inlet to the outlet, and neither radio frequency (RF) nor an alternating current (AC) center the ions are disclosed. Methods of separating charged particles are also disclosed.
US10801989B2 A/F sensor and method of manufacturing the same
An A/F sensor includes a solid electrolyte body and a heater. The A/F sensor is disposed downstream of a purification device in a flow of exhaust gas g. The purification device purifies the exhaust gas g. The solid electrolyte body is in a cup shape. The solid electrolyte body has an outer surface provided with a measurement electrode 4 contacting the exhaust gas g, and an inner surface provided with a reference electrode contacting reference gas. The solid electrolyte body is made of zirconia. The solid electrolyte body includes a detection part sandwiched between the measurement electrode and the reference electrode and conducted with oxygen ions. The detection part has a cubic phase ratio of 88 mol % or more.
US10801981B2 Gas sensor, sensor array, and manufacturing method thereof
A gas sensor includes a silicon substrate, a detecting electrode, a first isolation film, a heating resistor, and a second isolation film that are successively stacked. The gas sensor has a base structure and a cantilever structure with a curled free end, and a gas sensitive material is provided on the end of the cantilever structure. A sensor array composed of the gas sensor, and a method for manufacturing the gas sensor are also provided. The method includes (1) selecting a sacrificial layer; (2) preparing a detecting electrode; (3) preparing a first isolation film; (4) preparing a heating resistor; (5) preparing a second isolation film; (6) releasing the membrane; and (7) loading the gas sensitive material.
US10801971B2 X-ray phase contrast imaging with fourier transform determination of grating displacement
An X-ray phase contrast imaging system includes an X-ray source, a detector, a plurality of gratings including a first grating and a second grating, and a grating positional displacement acquisition section configured to obtain a positional displacement of the grating based on a Fourier transform image obtained by Fourier transforming an interference fringe image detected by the detector.
US10801970B2 Device for evaluating crystallinity and method of evaluating crystallinity
A method of evaluating crystallinity includes irradiating light from below a polycrystalline silicon substrate, allowing the irradiated light to pass through the polycrystalline silicon substrate and a circular polarizing plate disposed above the polycrystalline silicon substrate, measuring an intensity of light having passed through the circular polarizing plate at a location vertically above the circular polarizing plate, notifying that there is an error in a crystallinity of the polycrystalline silicon substrate when the measured intensity of the light is out of an error margin of a predetermined criterion intensity of light.
US10801969B1 Testing device for bottom-emitting or bottom-detecting optical devices
A testing device for bottom-emitting or bottom-detecting optical devices may comprise a support structure to support a lower transparent chuck and an upper transparent chuck that includes a set of vacuum holes. In some implementations, a vacuum may be formed in a space between the lower transparent chuck and the upper transparent chuck when a vacuum pump is applied to an opening in a sidewall of the support structure. For example, the vacuum may create suction to cause an optical device under test to be mechanically secured on a top surface of the upper transparent chuck. The testing device may further comprise a photodetector disposed below the lower transparent chuck to detect light that travels through the upper transparent chuck and the lower transparent chuck when one or more probes complete an electrical path that causes the optical device under test to emit the light.
US10801963B2 Raman spectroscopy for minerals identification
A method for identifying minerals and other materials illuminates a mineral with monochromatic light for an illumination duration and collects scattered light using a Raman spectrometer detector and an aggregated or average Raman spectrum data is determined. True Raman spectrum data is determined by subtracting a blank spectrum. The true Raman spectrum data is compared to reference spectrums to identify the mineral or material. A display or output of one or more of: (a) a name and/or chemical composition of one or more identified minerals; (b) the true Raman spectrum data; and (c) the one or more reference spectrums; are provided. The monochromatic light preferably has a wavelength in the range of about 400 nm to about 425 nm and the Raman spectrometer detector is adapted to detect a Raman-shift range of about 100 cm−1 to about 1400 cm−1.
US10801959B2 Objective biological substance analysis device, analysis system, analysis method, and recording medium storing computer readable analysis program
An analysis device for an objective biological substance includes a generator, a divider, an analyzer, and a calculator. The generator generates a microscopic image of a tissue sample after staining. The divider divides the microscopic image into at least one section having a prescribed size. The analyzer analyzes a staining condition of the microscopic image for each section. The calculator calculates a prescribed statistic based on an analysis result by the analyzer.
US10801958B2 Optical sensor
An optical sensor is provided, in which members forming an optical path can be reliably supported without blocking the optical path extending from a light source to a light receiver. An optical sensor includes a light source configured to emit light, and a light receiver configured to receive the light emitted from the light source. An optical path extending from the light source to the light receiver extends through an oil infiltrating space into which oil infiltrates. The optical sensor further includes: a substrate on which the light source is mounted; a substrate on which the light receiver is mounted; a fixing member including an accommodation space in which the substrates are accommodated; and a sealing resin contained in the accommodation space and sealing the substrate.
US10801956B2 Resonant periodic structures and methods of using them as filters and sensors
The invention relates to the field of surface waves based optical devices particularly tuneable optical filter, optical biosensors and spatial light modulators. An optical sensor and tuneable filter is disclosed based on high contrast periodic structures deposited on a substrate and using a compact reading method for low detection limit using a one dimensionally diverging quasi-monochromatic beam and a camera.
US10801955B2 Numerical characterization method for dispersion state of carbon nanotube based on fractal dimension
A numerical characterization method for the dispersion state of carbon nanotubes based on fractal dimension is invented. In this method, a SEM image of the dispersion state of carbon nanotube is obtained first, and then is binarized by the ImageJ software to extract the boundary of individual carbon nanotubes or carbon nanotubes agglomerates, and thereby calculating the fractal dimension of the processed image with the assistance of the box-count algorithm. The value of fractal dimension represents quantitatively the abundant information contained in the dispersion state of carbon nanotubes, which is capable of realizing the numerical characterization of the dispersion state of carbon nanotubes. The invention quantifies the dispersion state of carbon nanotubes, and provides a powerful strategy for controlling, comparison and prediction of macro-properties of carbon nanotube based composites.
US10801954B2 Inspection apparatus, inspection method, computer program and recording medium
An inspection apparatus is provided with: an irradiating device configured to irradiate a sample in which a plurality of layers are laminated with a terahertz wave; a detecting device configured to detect the terahertz wave from the sample to obtain a detected waveform; and an estimating device configured to estimate a position of a first boundary surface on the basis of a second boundary surface pulse wave and a library, the second boundary surface pulse wave appearing in the detected waveform to correspond to a second boundary surface that is farther from an outer surface than the first boundary surface, the library representing an estimated waveform of the terahertz wave from the sample.
US10801953B2 Semiconductor metrology based on hyperspectral imaging
Methods and systems for performing semiconductor measurements based on hyperspectral imaging are presented herein. A hyperspectral imaging system images a wafer over a large field of view with high pixel density over a broad range of wavelengths. Image signals collected from a measurement area are detected at a number of pixels. The detected image signals from each pixel are spectrally analyzed separately. In some embodiments, the illumination and collection optics of a hyperspectral imaging system include fiber optical elements to direct illumination light from the illumination source to the measurement area on the surface of the specimen under measurement and fiber optical elements to image the measurement area. In another aspect, a fiber optics collector includes an image pixel mapper that couples a two dimensional array of collection fiber optical elements into a one dimensional array of pixels at the spectrometer and the hyperspectral detector.
US10801951B2 Mixture detection method and device
A mixture detection method and device related to substance detection technology. The proportion contents of substances contained in a mixture can be detected. The method includes: performing measurement spectrum line collection on a to-be-detected mixture to identify the kinds of substances in the to-be-detected mixture; selecting a characteristic peak of a measurement spectrum line of each kind of substance according to the kinds of substances, and obtaining an intensity proportion of the characteristic peak of each kind of substance; querying a relative activity database according to the kinds of the substances to obtain relative activity corresponding to each kind of substance; and determining the proportion contents of the substances contained in the to-be-detected mixture according to the intensity proportion of the characteristic peak of each kind of substance and the quotient of the relative activities.
US10801950B2 Reference switch architectures for noncontact sensing of substances
This relates to systems and methods for measuring a concentration and type of substance in a sample at a sampling interface. The systems can include a light source, optics, one or more modulators, a reference, a detector, and a controller. The systems and methods disclosed can be capable of accounting for drift originating from the light source, one or more optics, and the detector by sharing one or more components between different measurement light paths. Additionally, the systems can be capable of differentiating between different types of drift and eliminating erroneous measurements due to stray light with the placement of one or more modulators between the light source and the sample or reference. Furthermore, the systems can be capable of detecting the substance along various locations and depths within the sample by mapping a detector pixel and a microoptics to the location and depth in the sample.
US10801946B2 Electronic monitoring of gas adsorbent media bed
A method for manufacturing a device for electronically monitoring the consumption of gas adsorbent media in a media bed includes forming a monitoring rod of a corrosion resistant material. A plurality of sensors are attached to an exterior surface of the monitoring rod, and a communication channel is routed between each sensor and the connecting rod.
US10801943B2 Apparatus and method for measuring apparent permeability of tight rock core
The present application provides an apparatus and a method for measuring apparent permeability of a tight rock core, the apparatus comprises: a rock core holder, a first high-pressure injection pump, a second high-pressure injection pump, a micro-differential pressure meter, a micro-flow meter, a first pressure control unit, a second pressure control unit, a first valve, a second valve, a third valve, and a fourth valve; the first pressure control unit comprises: a first pressure-resistant piston container and a second pressure-resistant piston container, both of which are divided into an upper cavity and a lower cavity by a piston, the upper cavities of the first pressure-resistant piston container and the second pressure-resistant piston container are filled with gases and communicate with each other, and the lower cavity of the first pressure-resistant piston container is filled with pump pressure-transmission liquids, and the lower cavity of the second pressure-resistant piston container is filled with experimental fluids.
US10801942B2 Multi-functional multi-field coupling seepage experiment device and testing method thereof
A multi-functional multi-field coupling seepage experiment device includes a device body, a stress field control system, a temperature field control system, a fluid loading control system and a fluid seepage measurement system. The present invention further discloses seepage experiments performed on tight gas, shale gas, tight oil, shale oil, natural gas hydrate and geothermal heat in a multi-field coupling state of a temperature field, a stress field, a pore pressure field and a seepage field.
US10801941B2 Isotope nuclear magnetic method for analyzing ineffective water absorption of rock pores
An isotope nuclear magnetic method for analyzing ineffective water absorption of rock pores includes steps of: saturating core pores of a core sample with a wetting phase fluid of water H2O, and obtaining a core T2 spectrum after being saturated with the water; re-saturating the core pores with a wetting phase fluid of heavy water D2O, and obtaining a rock baseline T2 spectrum; injecting fluorinated oil into the core sample saturated with the heavy water; injecting the water H2O, simulating a water injection process, and injecting the fluorinated oil, so as to analyze a content of immobile water and obtain a residual T2 spectrum, wherein a range formed by a difference between the residual T2 spectrum and the rock baseline T2 spectrum is an ineffective water absorption portion of the rock pores, and an ineffective water absorption amount is obtained.
US10801935B2 System and method for determining a cone index value
A work machine with a chassis, a wheel hub rotationally coupled to the chassis, a tire coupled to the wheel hub and configured to engage an underlying surface, and a controller communicating with a plurality of sensors and having a memory unit. Wherein, the controller stores tire data for the tire in the memory unit and the controller determines a cone index of the underlying surface of the work machine based on the tire data and the plurality of sensors.
US10801933B2 Self-healing method for fractured SiC amorphous nanowires
The present invention provides a self-healing method for fractured SiC amorphous nanowires. A goat hair in a Chinese brush pen of goat hair moves and transfers single crystal nanowires under an optical microscope. On an in-situ nanomechanical test system of a TEM, local single crystal nanowires are irradiated with an electron beam for conducting amorphization transformation. Amorphous length of a single crystal after transformation is 60-100 nm. A fracture strength test is conducted on the amorphous nanowires in the single crystal after transformation in the TEM; and fracture strength of the amorphous nanowires is 9-11 GPa. After the amorphous nanowires are fractured, unloading causes a slight contact between the fractured end surfaces; and self-healing of the nanowires is conducted after waiting for 16-25 min in a vacuum chamber of the TEM. Atom diffusion is found at a healed fracture through in-situ TEM representation; and recrystallization is found in the amorphous nanowires. The present invention provides a method for realizing self-healing for fractured SiC amorphous nanowires without external intervention.
US10801930B2 Method for preparing a sample for chromatographic separation processes and system for carrying out a sample preparation
A method for preparing a sample for chromatographic separation processes, in which a sample vessel is partially filled with a substance to be examined and is closed, is described. The substance to be examined is subjected to a thermo-chemical reaction in which at least one sample component is converted into another substance, and in which by use of a removing device samples are removed from the sample vessel for analytical examination. Also, the sample vessel forms a cavity, into which the substance to be examined is introduced as a core and a heating section for indirect heat transfer is applied along the filling of substance to be examined.
US10801929B2 Specimen smearing apparatus, specimen smearing method, smear sample preparing apparatus, and smear sample preparing method
Disclosed is a specimen smearing apparatus including: a slide supplying section configured to supply a glass slide yet to be processed; a first processing section configured to perform a first process on the glass slide, the first processing section being disposed in a first direction with respect to the slide supplying section, the first direction being a far direction of an apparatus body of the specimen smearing apparatus; a second processing section configured to perform on the glass slide a second process which is different from the first process, the second processing section being disposed in a second direction with respect to the first processing section, the second direction being a left-right direction of the apparatus body and orthogonal to the first direction; and a first drying processing section disposed in a third direction with respect to the second processing section, the third direction being a near direction of the apparatus body and opposite to the first direction, the first drying processing section configured to dry a specimen on the glass slide on which the first process and the second process have been performed, wherein one of the first processing section and the second processing section is configured to perform a smearing process for smearing a specimen on the glass slide.
US10801928B2 Fluid sample collection system for pumped fluid source
A fluid sample collection system for directly collecting a fluid sample from a fluid source without exposing the fluid sample to an ambient environment that surrounds the fluid sample collection system includes a fluid collector including (i) a sample vial that is configured to retain fluid from the fluid source, the sample vial including a sample vial body and a vial cap that is selectively coupled and sealed to the sample vial body; (ii) a collector body that defines a passenger vial chamber, the sample vial being positioned at least partially within the passenger vial chamber during collection of the fluid; and (iii) a cap access facilitator that is configured to engage a portion of the sample vial to enable a user to selectively couple the vial cap to the sample vial body to seal the sample vial so that the fluid is retained within the sample vial.
US10801925B2 Test bypass for a cooling apparatus, having a liquid vessel with a variable pressure level
The invention relates to a method for simulation of an isothermal and non-isothermal heating load introduced by a consuming device (V) into a process medium (M) of a cooling apparatus (1), said simulation being by means of a test bypass (2); and the invention further relates to such a test bypass (2), and a cooling apparatus having such a test bypass.
US10801923B2 Method and system for vehicle suspension system
Methods and systems are provided for diagnosing a shock absorber coupled to a vehicle tire. In one example, a sensor of a tire pressure measurement system coupled inside a tire is used to measure a tire pressure as well as an oscillatory behavior of the tire. A state of health of a shock absorber coupled to the tire is estimated based on the oscillatory behavior.
US10801921B2 Speed optimality analysis for evaluating the optimality of a powertrain
Systems and methods for improving fuel economy in vehicles such as Class 8 trucks are provided. In some embodiments, signals indicating states of the powertrain are collected and used to generate fuel rate optimization values. Fuel rate optimization values may indicate a difference between optimum fuel flow rates and actual fuel flow rates during a vehicle drive cycle. Recorded fuel rate optimization values may be used to compare different vehicle configurations during testing, and may also be used to evaluate vehicle performance during real-world operation.
US10801911B2 Wheel and tire assembly uniformity
Methods and systems for installing tires to corresponding wheels are disclosed. An example method includes measuring non-uniformity of a first assembled tire and wheel at three or more different relative rotational positions to determine corresponding measurements of non-uniformity according to a predetermined metric, and determining that each of the measurements are above a predetermined non-uniformity limit. A rotationally relative installation position for the tire on the wheel may be determined using at least these measurements, with the position of the tire relative to the wheel in the rotationally relative installation position being different from each of the first, second, and third relative rotational positions. In examples where at least a second tire/wheel combination is measured below the non-uniformity threshold, installation of the second tire/wheel may conclude at the position where the assembled tire/wheel is measured below the non-uniformity threshold.
US10801910B2 Vehicle force imbalance detection
A system includes a computer including a processor and a memory, the memory storing instructions executable by the processor to identify a wheel having a force imbalance based on wheel speed data from each of a plurality of vehicle wheels, and to identify a wheel force imbalance fault when the force imbalance exceeds at least one of a distance threshold and a time threshold.
US10801903B2 Pressure sensor having a plurality of sheet-like and laminated piezoelectric elements
A pressure sensor according to an aspect of the present invention comprises a plurality of piezoelectric elements that are sheet-like and laminated, wherein: the plurality of piezoelectric elements are divided into a plurality of element groups; and the plurality of element groups are connected in parallel and in each element group the piezoelectric elements are connected in series, or the plurality of element groups are connected in series and in each element group the piezoelectric elements are connected in parallel.
US10801901B2 Non-contact magnetostrictive sensor alignment
Systems, methods, and devices for positioning, orienting, and/or aligning a stress sensor assembly are provided. In some embodiments, a sensor assembly can be received within a retaining element of a sensor mounting assembly. The sensor mounting assembly can include the retaining element, an adjustment mechanism, a first member, a second member, and a third member. The adjustment mechanism can allow the sensor assembly to be displaced linearly in a proximal and/or distal direction. The first and second members can be pivotally coupled to enable the sensor assembly to be rotated about a first axis, and the second and third members can be pivotally coupled to allow the sensor assembly to be rotated about a second axis.
US10801900B2 Inspection aid
An example battery inspection aid includes a label having a temperature responsive portion that indicates temperature changes and a strain responsive portion that indicates positional changes. An example method of inspecting a battery includes detecting changes in a temperature of a battery from a temperature responsive portion of a label, and detecting changes in a strain of the battery from a strain responsive portion of the label.
US10801899B2 Position-biasing thermocouple
A thermocouple assembly may feature a plurality of temperature sensors formed by thermocouple junctions. The sensors may be disposed upon a substrate, that has a curvature that biases each of the plurality of temperature sensors in a desired direction.
US10801896B2 Sequential beam splitting in a radiation sensing apparatus
Systems, methods, and apparatuses for providing electromagnetic radiation sensing using sequential beam splitting. The apparatuses can include a micro-mirror chip having a plurality of light reflecting surfaces, an image sensor having an imaging surface, and a beamsplitter unit located between the micro-mirror chip and the image sensor. The beamsplitter unit includes a plurality of beamsplitters aligned along a horizontal axis that is parallel to the micro-mirror chip and the imaging surface. The beamsplitters implement the sequential beam splitting. Because of the structure of the beamsplitter unit, the height of the arrangement of the micro-mirror chip, the beamsplitter unit, and the image sensor is reduced such that the arrangement can fit within a mobile device. Within a mobile device, the apparatuses can be utilized for human detection, fire detection, gas detection, temperature measurements, environmental monitoring, energy saving, behavior analysis, surveillance, information gathering and for human-machine interfaces.
US10801894B2 Reflecting shell and temperature detecting device
A reflecting shell includes a hollow joint unit, a hollow guide unit and a hollow receiving unit. The hollow joint unit has a stationary part at one end, and the stationary part is detachably connected to a detecting part of a measuring device. One end of the hollow guide unit is connected to the other end of the hollow joint unit, and an internal wall of the hollow guide unit has a first reflective surface and a second reflective surface, in which the first reflective surface and the second reflective surface correspond to each other. One end of the hollow receiving unit is connected to the other end of the hollow guide unit. Heat radiation from a heat source enters the hollow guide unit, and the heat radiation is transmitted to the detecting part by the reflection of the first reflective surface and the second reflective surface.
US10801890B1 Measurement system and a method of diffracting light
Embodiments of the present disclosure relate to measurement systems and methods for diffracting light. The measurement system includes a stage, an optical arm, and one or more detector arms. The method of diffracting light includes a method of diffracting light is provided, including projecting light beams having wavelength λlaser to a first zone of a first substrate at the fixed beam angle θ0 and the maximum orientation angle ϕmax, obtaining a displacement angle Δθ, determining a target maximum beam angle θt-max, wherein θt-max=θ0+Δθ, and determining a test grating pitch Pt-grating by a modified grating pitch equation Pt-grating=λlaser/(sin θt-max+sin θ0). The measurement system and method allow for measurement of nonuniform properties of regions of an optical device, such as grating pitches and grating orientations.
US10801885B1 Reconfigurable liquid metal plasmonic arrays for carbon transducers
A plasmonic transducer includes a fluidic network layer, a carbon-based substrate, a liquid metal and an electromagnetic system. The fluidic network layer has a fluidic network layer front, a fluidic network layer back, a first through-hole passing from the fluidic network layer front to the fluidic network layer back. The carbon-based substrate is disposed on the fluidic network layer back. The liquid metal is disposed in the first through-hole. The electromagnetic system is operable to change the liquid metal from a first liquid metal state to a second liquid metal state. The transducer is operable to provide a first output signal when the liquid metal is in the first liquid metal state. The transducer is operable to provide a second output signal when the liquid metal is in the second liquid metal state.
US10801884B2 Blade driving device and infrared imaging device
The use of a blade driving device including a first plate wherein a first opening portion is formed; a blade formed so as to enable opening/closing of the first opening portion; a driving mechanism driving the blade; and a cover, wherein a second opening portion is formed so as to essentially overlap the first opening portion, and formed so as to cover the base plate and the driving mechanism portion. Because the base plate and driving mechanism portion are covered by the cover, when compared to the conventional structure, this enables the transmission, without variability, of heat in relation to the driving mechanism portion and the base plate.
US10801881B2 Apparatus and method for calibrating a weigh-in-motion sensor
An apparatus for calibrating a weigh-in-motion (WIM) sensor embedded in a roadway includes an actuator, an applicator, a force sensor disposed between the actuator and the applicator, and a carriage supporting the actuator, the applicator and the force sensor, which carriage is selectively movable on a longitudinal support carried by a frame. The apparatus also includes a drive unit to move the applicator along the longitudinal support as well as a position sensor that detects a position of the calibration path relative to the WIM sensor. According to a method for calibrating a WIM sensor, the frame is positioned to straddle the WIM sensor. The applicator introduces along the calibration path at a succession of different positions, a reference force that is measured by the WIM sensor and the force sensor, and these measurements are compared to generate a calibration.
US10801878B2 Radar fill level measurement device having a self-testing function
An exemplary fill level measurement device comprising a radar module can be provided, along with method, computer-executable instructions and computer-readable medium. The radar module can comprise a receiving channel for receiving a radar signal reflected by a filling medium. The fill level measurement device can also comprise a test module for testing the functionality of the receiving channel. The test module can comprise a test input (for feeding in a test signal having a test frequency, and a feeding-in apparatus configured to feed at least part of the test signal into the receiving channel. The feeding-in apparatus can be configured to superpose and/or combine the test signal with the radar signal reflected by the filling medium. The receiving channel of the radar module can further comprise a mixing device having an intermediate frequency output. The mixing device can be configured to output the test frequency of the test signal at the intermediate frequency output when the receiving channel is functioning correctly.
US10801876B1 Self-checking ultrasonic fluid flow measurement system
Systems or apparatus include a plurality of ultrasonic transducer pairs arranged about a conduit to establish a plurality of measurement paths directed at an acute angle relative to a central axis of the conduit. A control system is configured to perform operations comprising obtaining ultrasonic pulse transmission and detection data from the first and second ultrasonic transducers for each of the measurement paths, determining a first fluid flow rate using the data for each of the measurement paths, determining a second fluid flow rate using a subset of the data that is used to determine the first fluid flow rate, wherein the subset of the data includes only the data for a subset of the measurement paths, and determining whether a difference between the first fluid flow rate and the second fluid flow rate is greater than a difference setpoint.
US10801866B2 Measuring device for a combustible gas supply device for an internal combustion engine having a double-walled conbustible gas line
A measuring device for measuring a physical property of a fluid, including a base body which is closed along a peripheral line. The base body surrounds a first recess passing through the base body in the axial direction and the base body includes at least one second recess passing through the base body in the axial direction recess. At least one sensor device, which can be associated with the base body, can be bought into contact with the first recess.
US10801862B2 Device and method for determining the wear state of a chain
A chain sensor includes a first magnetic circuit, a device for measuring the magnetic flux density in the first magnetic circuit, and a coil. The magnetic circuit is substantially formed by a magnetically conductive yoke body. The yoke body has a lateral leg, the end of which is disposable in the proximity of a chain. The device for measuring the magnetic flux density is connected to an analysis unit. To determine the elongation of the chain during operation, a partially closed magnetic circuit is formed, a voltage is applied to a coil disposed in the magnetic circuit, an alternating magnetic flux density is generated in the magnetic circuit by the movement of the chain through the partially closed magnetic circuit, the alternating magnetic flux density in the magnetic circuit is detected as a plurality of measured values, and a length value of the chain from the measured values is determined.
US10801858B2 Map based navigation method, apparatus and storage medium
A map based navigation method, apparatus and storage medium. The method includes: acquiring a location status of a user terminal carrying a navigation client and a navigation operation of a user; and switching automatically between at least two types of navigation pages of the navigation client, based on the location status of the user terminal and the navigation operation of the user. This method can achieve an automatic switching between different types of navigation pages and satisfy different needs of the user in different situations.
US10801856B2 Automatic vehicle map display scaling system
Methods, systems, and apparatus for dynamically scaling a map of a navigation display system of a vehicle. The system includes a GPS unit configured to detect a current location of the vehicle. The system includes a transceiver configured to receive a current traffic condition from a remote data server. The system includes a display configured to display the map. The system also includes an ECU configured to dynamically determine a map display scale based on a location of the vehicle and a traffic condition. The ECU is also configured to render the map using the dynamically determined map display scale. The ECU is also configured to change the map display scale based on a change in location of the vehicle or a change in traffic condition.
US10801854B2 Navigation system for the visually impaired and method thereof
A navigation method for the visually impaired includes the following steps. After obtaining construction information and/or real-time traffic information, a server can transmit the construction information and/or real-time traffic information according to a geographical location. Each traffic condition information transmission device can receive the construction information and/or the real-time traffic information corresponding to a location thereof and forward the construction information and/or the real-time traffic information. A mobile device can modify a navigation route after receiving the construction information and/or the real-time traffic information transmitted from any traffic information transmission device on the navigation route, and the mobile device can convert the construction information and/or the real-time traffic information into a speech message and convert the modified navigation route into a real-time speech guiding message. Thus, the mobile device can perform navigation effectively to avoid the road section under construction or the road section with abnormal traffic condition.
US10801847B2 Method and apparatus to provide electrical outlet information for electrified vehicles
A method according to an exemplary aspect of the present disclosure includes, among other things, generating a warning signal to identify any electrical characteristics along a vehicle route that differs from a current vehicle electrical characteristic. An electrified vehicle system according to an exemplary aspect of the present disclosure includes, among other things, a battery, an electric machine configured to receive electric power from the battery to drive vehicle wheels, and a system control that generates a warning signal to identify any electrical characteristics along a vehicle route that differ from a current vehicle electrical characteristic. In one example, the electrical characteristic comprises at least a type of plug and/or socket.
US10801840B1 Four port atomic gyroscope
Apparatuses and methods for a four port atomic gyroscope are disclosed. Because of its four ports, a four port atomic gyroscope has an output separate from an input so as to increase sensitivity of the atomic gyroscope. Thus, smaller changes in rotation rate around a center axis of an optical waveguide loop of the four port atomic gyroscope can be detected.
US10801837B2 Pipeline deep crack detection
A pipeline inspection system includes a pipeline pig having a controller and a plurality of ultrasonic transducer elements situated in an array. Each of the plurality of ultrasonic transducer elements emits an ultrasonic signal into a wall of a pipeline and receives echoes of the ultrasonic signal from the pipeline wall. The controller selects a first subset of the plurality of ultrasonic transducer elements from which to emit the ultrasonic signals into the wall of the pipeline as the pipeline pig passes through the pipeline, analyzes the echoes of the ultrasonic signals received by the plurality of ultrasonic transducer elements to detect a feature in the pipeline wall, and selects a second subset of the plurality of ultrasonic transducer elements to emit the ultrasonic signals into the wall of the pipeline as the pipeline pig passes through the pipeline when the feature is detected in the pipeline wall.
US10801836B2 Composite parts that facilitate ultrasonic imaging of layer boundaries
Systems and methods are provided for ultrasonic imaging of composite parts. One embodiment is a method that includes providing an object having multiple layers of fibers and resin, inducing ultrasonic waves at locations along the object, and attenuating the ultrasonic waves at the regions due to regions interspersed among the layers that each exhibit an elastic modulus distinct from an elastic modulus of the fibers and distinct from an elastic modulus of the matrix. The method further includes receiving the attenuated ultrasonic waves, and analyzing the attenuated ultrasonic waves to determine depths of the regions.
US10801834B2 Fringe projection for determining topography of a body
A fringe projection method for determining the topography of a body (12) comprising the steps: projecting a series of sets of patterns (Ti) onto a surface (20) of the body (12), wherein each set has at least two patterns (Ti) and wherein each pattern (Ti) has S fringes; for each pattern (Ti), recording an image (24.i) of the surface (20) having the projected pattern, so that a sequence of recordings is formed; and calculating the topography from the images (24.i), wherein such patterns are projected in which each fringe has an intensity distribution perpendicular to the fringe longitudinal direction (L) and each intensity distribution can be expressed by a function (Q) which has a spatial phase position (β). According to the invention, the phase position (β) changes as a function of a code (g(s)) of the ordinal number (s) of the fringe.
US10801832B1 Information processing apparatus
An information processing apparatus includes: a distance measurement sensor that outputs a voltage according to a distance to a measurement object; and a control unit that supplies power to the distance measurement sensor at preset intervals and stops the power supply after a preset first period has elapsed. When performing control to determine that the measurement object has approached the apparatus in a state where an output voltage from the distance measurement sensor is equal to or higher than a preset threshold value, the control unit supplies power again and stops the power supply after a preset second period has elapsed, and then performs control to determine that the output voltage from the distance measurement sensor is a falsely detected output voltage when the output voltage during the power supply is equal to or higher than a preset voltage.
US10801831B2 Speckle measurement apparatus and speckle measurement method
There is provided a speckle measurement apparatus to improve accuracy of flow velocity measurement or the like of particulates such as erythrocytes, the speckle measurement apparatus including an imager that captures scattered light images returned from an object to be measured when the object to be measured is irradiated with coherent light as speckle images, and a controller that determines a measurement area that is the same site of the object to be measured in a plurality of the speckle images captured continuously in time series by the imager by incorporating a displacement amount of a relative positional relationship between the object to be measured and the imager.
US10801829B2 Signal extraction systems and methods
Swept source optical coherence tomography (SS-OCT) systems and methods may employ down-conversion. Down-converter systems and methods may utilize a distribution element and a frequency down shifter. The distribution element may receive an output signal of a photo detection device, the output signal comprising a first frequency component at or below a maximum conversion frequency and a second frequency component above the maximum conversion frequency. The distribution element may send the first frequency component to an analog to digital (A/D) converter and send the second frequency component to a frequency down shifter. The frequency down shifter may down shift the second frequency component to a frequency at or below the maximum conversion frequency to form a down shifted second frequency component. The frequency down shifter may send the down shifted second frequency component to the A/D converter.
US10801827B1 Sensor based on smart response of two-dimensional nanomaterial and associated method
Aspects of the subject disclosure may include, for example, a method comprising: applying to a substrate a first two-dimensional layer; and applying to the first two-dimensional layer a second two-dimensional layer, wherein the first two-dimensional layer and the second two-dimensional layer form a bi-layer element, wherein the bi-layer element has an axis, wherein there is an initial electrical resistance across the bi-layer element along the axis, and wherein a first change to the substrate results in a second change to the bi-layer element such that the initial electrical resistance is replaced by a lower electrical resistance. Other embodiments are disclosed.
US10801824B1 Multi-function gauge block
A multi-function gauge block has a rectangular body member with four side faces and two end faces that define outside measuring faces which define a precise length therebetween and which can be wrung to other gauge blocks or to a platen. An angle face extends between two of the side faces and forms a precise angle between itself and one or both of these side faces. The angle face is bounded by a pair of inside measuring faces that define a precise length therebetween. The multi-function gauge block has a precise mass so that it can be used as a calibration weight.
US10801823B2 Inhibited emulsions for use in blasting in reactive ground or under high temperature conditions
Methods of delivering inhibited emulsions are provided. The methods can include mixing an emulsion with a separate inhibitor solution to form the inhibited emulsion. Inhibitor solutions including water, an inhibitor, and a crystallization point modified are provided. Systems for delivering inhibited emulsions are also provided.
US10801822B2 Variable stand-off assembly
A variable stand-off distance explosive cord assembly for a casing is disclosed. In various embodiments, the assembly includes an explosive cord configured for positioning at a stand-off distance from the casing and a thermally responsive material configured to vary the stand-off distance from a first distance to a second distance.
US10801816B2 Missile detector and a method of warning of a missile
A missile detector includes a primary sensor for detecting a potential missile in a first spectral range, a secondary sensor for detecting the potential missile in a second spectral range, and an evaluation unit. The evaluation unit receives first detection signals from the primary sensor and compares them with a threshold value. When the threshold value has been exceeded, a warning signal of the potential missile is issued. Second detection signals from the secondary sensor are continuously received and stored for a predetermined period of time, in order to perform a verification of the potential missile based on a traceback when the warning signal is present. The traceback involves analysis of the stored sensor signals of the secondary sensor.
US10801815B2 Bullet proof blinds
An anti-ballistic protection system for protecting a space in a building or vehicle comprising a protective blind including plurality of slats or a sheet of a laminated material having a plurality of layers of lightweight, flexible, ballistic resistant material which are secured together using a glue, heat weld, or stitching. The system may include an automated control system operably configured to cause a change in state of the blind from a retracted state to a protective deployed state, which may include a sensing system operably configured to detect a threatening event, wherein the sensing system upon sensing the threatening event triggers the blind to transition from the retracted state to the deployed protective state such that in the protective state, the blinds are adapted to be resistant to penetration by high-speed ballistic objects such as bullets.
US10801813B2 Adjustable-power data rail on a digital weapon sight
A digital sight for a weapon, is provided that includes an adjustable power supply (APS) configured to supply power, a sight body, a sight interface, and a controller. The sight interface is fixed to the sight body, includes a sight power conductor connected to the APS for receiving power supplied by the APS, and is configured for mechanically coupling with a cooperating peripheral interface of a peripheral for fixing the peripheral to the digital sight and to be coupled with a peripheral power conductor of the peripheral interface for providing power from the adjustable power supply to the peripheral. The controller is programmed to receive a data communication having an optimal power indication from the peripheral and based on the optimal power indication, control the APS to adjust the power supplied by the APS to the sight power conductor. The disclosure further encompasses a weapon assembly, a peripheral, and a method.
US10801810B2 Rear sight assembly
A rear sight assembly is disclosed. The rear sight assembly contains a housing defining a first opening, a second opening, and a third opening, a rear sight mechanism containing a thumb wheel positioned in the first opening, at least partially threaded support member positioned in the second opening and the third opening, wherein the at least partially threaded support member is threaded through the thumb wheel, and a rear aiming point member adjustably coupled with the at least partially threaded support member.
US10801808B2 Weaponized defensive ax tool
A tool. A firearm, a blade and an ancillary device are disposed within or on the tool. The firearm comprises a barrel through which a bullet passes to exit the firearm, a firing pin moveable to a firing position by operation of a firing pin control, a firing pin lock retaining the firing pin in the firing position when in the locked position, a biasing member for applying a force to the firing pin with the firing pin restrained against the force by the locked position of the firing pin lock. A trigger releases the firing pin lock from the locked position, such that the force causes the firing pin to strike the charge proximate the bullet. The bullet then exits the barrel.
US10801803B1 Archery release
A handheld archery release is convertible between index and pinky finger trigger modes of operation. The release includes a flat finger bed handle which contains a sear assembly operable between hold and fire positions. Index and pinky finger triggers are connected with the handle and with the sear assembly to selectively operate the sear assembly in either mode of operation. Locking screws selectively lock one of the triggers when the other trigger is in operation.
US10801802B2 Bow-mounted quiver
The bow-mounted quiver is a removable attachment for a conventional archery bow. The bow-mounted quiver includes a mounting plate adapted for releasable mounting on the archery bow, an arm, and a U-shaped retaining member. The arm has first and second arm portions. A first end of the first arm portion is pivotally attached to the mounting plate, and a second end of the first arm portion is pivotally attached to a first end of the second arm portion. The second arm portion may have an adjustable length. The U-shaped retaining member has a central portion and a pair of free ends. The central portion is pivotally attached to a second end of the second arm portion, and each of the free ends defines a recess for releasably retaining a shaft of an arrow.
US10801801B2 Quiver arrow vanes skid guards
A quiver arrow vanes guards is hereby presented, the quiver comprising an arrow nock receiving portion with a nock receiver portion disposed generally orthogonal to a longitudinal direction, the nock receiver portion being sized and designed to receive therein a plurality of arrows by accommodating the nock′ end of each arrow, the nock receiver portion including a pair of arrow vanes guards disposed on opposed orthogonal and distal sides of the arrow nock receiving portion for protecting vanes of orthogonal distalmost arrows housed in the quiver, the arrow vanes guards are progressively proximally retracting, from orthogonal distal edges of the arrow nock receiver portion, longitudinally in the direction of the arrow head receiving portion generally along the orthogonal distal edges and the back side of the quiver to substantially match a profile of arrow's vanes.
US10801793B2 Firearm grip with selector switch lock
A firearm grip with selector switch lock includes a handgrip for engaging a firearm receiver having a selector switch. A switch engagement unit is positioned within the handgrip. The switch engagement unit including a motor, piston, spring and detent for selectively engaging the selector switch of the receiver to which the handgrip is located. An RFID interrogator is positioned within the handgrip and communicates with a portable RFID chip. Upon detecting the presence of the RFID chip, the switch engagement unit moves the piston to the retracted position for manual free operation of the selector switch. Upon detecting the RFID chip is not within the proximity of the handgrip, the switch engagement unit moves the piston to the extended/SAFE position. A replacement selector switch having a torque limiter is provided.
US10801792B2 Magazine for a firearm
A magazine for a firearm comprises a magazine tube, a removable floor plate assembly attached to the lower end of the magazine tube, a follower and a spring. The floor plate assembly is removable from the lower end of the magazine tube by sliding from the front portion towards the rear portion. The floor plate assembly comprises an L-shaped plate and a removable bottom, equipped with a body compartment suitable to house the primary portion of the L-shaped plate. The L-shaped plate and the floor plate are snap-engageable to attach the floor plate assembly to the magazine tube.
US10801789B2 Heat exchangers with improved fluid distribution
A heat exchanger for regulating the temperature of objects using coolant includes a top plate, a middle plate, and a bottom plate that are sealedly engaged for circulation of coolant, and collectively form a stacked cooling block. The heat exchanger includes a plurality of coolant flow channels, including sets of feed and return channels, which are formed between the top, middle, and bottom plates, and which operably cool one or more cooling surfaces of the heat exchanger. An inlet manifold of the heat exchanger distributes coolant through a plurality of distribution apertures, into a set of coolant feed channels. The coolant feed channels are fluidly connected with a set of coolant return channels, which in turn direct coolant toward and into an outlet manifold. The inlet manifold is adapted to substantially evenly distribute fluid through the plurality of coolant flow channels, by way of one or more flow-balancing elements integrated therewith.
US10801787B2 Air bearing heat exchanger methods
The various technologies presented herein relate to fabrication and operation of a heat exchanger that is configured to extract heat from an underlying substrate. Heat can be extracted by way of an air gap formed between an impeller and a baseplate. By utilizing a pump to create an initial air gap that is further maintained by rotation of the impeller relative to the baseplate, a spring can be utilized that can apply a force of greater magnitude to the impeller than is used in a conventional approach, thus enabling the weight of the impeller to be negligible with respect to a width of the air gap, thereby conferring the desirable feature of orientation independence with respect to gravity with no performance degradation.
US10801785B2 Recovery and re-use of waste energy in industrial facilities
Configurations and related processing schemes of direct or indirect inter-plants heating systems (or both) synthesized for grassroots medium grade crude oil semi-conversion refineries to increase energy efficiency from specific portions of low grade waste heat sources are described. Configurations and related processing schemes of direct or indirect inter-plants heating systems (or both) synthesized for integrated medium grade crude oil semi-conversion refineries and aromatics complex for increasing energy efficiency from specific portions of low grade waste sources are also described.
US10801780B2 CAB/MAAR concept improvement
A method for manufacturing a heat exchanger, wherein a firmly bonded connection is provided between tubes and ribs in order to form a radiator matrix, the connection provided by aligning and inserting tube ends into openings in a first and second collector in order to connect tubes to the two collectors, and a wall section of shaped tube ends is bent so that the tube ends are fixed against the collector through the wall section with interpositioning of a seal.
US10801775B2 System for liquefying a gas
A system (100) for liquefying a gas comprises a liquid piston gas multistage compressor (2). It can be arranged on-board a liquefied gas carrier for recycling boil-off gas. Such system may be easily adapted or controlled for matching wide requirement ranges for variations of the liquefaction capacity. In addition, at least part of the liquid piston gas multistage compressor can be shared between the gas liquefying system and an extra gas-fed device. Such extra gas-fed device may be in particular a gas-fuelled or hybrid fuel propulsion engine of the vessel.
US10801773B2 Metallic trim breaker for a refrigerating appliance having a thermal bridge geometry
A structural cabinet for an appliance includes an inner liner that defines an interior compartment, an outer wrapper and a metallic trim breaker that is attached to each of the inner liner and the outer wrapper. The metallic trim breaker includes a plurality of undulating formations that extend an effective length of the trim breaker between the inner liner and the outer wrapper.
US10801770B2 Dispensing ice bin with sliding sleeve metering device
An ice storage bin with sliding sleeve metering device for filling buckets, totes or other ice containers. The metering device allows the containers to be filled from the ice storage bin with the exact volume of ice desired during each dispense. The metering device won't spill ice or water, is easily operated and prevents the ice container from being removed prematurely. The metering device can be operated either manually or automatically. The bucket or container is optionally a liner disposed in a bucket with a false bottom.
US10801769B2 Portable frozen confection machine
The disclosure extends to apparatuses, methods, and systems, for producing frozen confections and conditioning ice for use in frozen confections. A frozen confection machine includes a hopper portion for receiving ice into an interior, and a motor configured to rotate a drive shaft, a blade to condition the ice in the hopper during rotation of the motor. The frozen confection machine also includes a lid for selectively covering the interior of the hopper, a bias member for biasing the lid away from a closed position, and a switch for causing the motor to actuate in response to the lid being pressed to a closed position.
US10801765B2 Variable speed blower control for HVAC systems
A temperature control system that includes a sensor, a variable speed blower, and a controller. The controller is configured to receive an air temperature measurement from the sensor and determine a temperature value based on the received air temperature measurement. The controller is further configured to compare the determined temperature value to a first threshold value and a second threshold value and to operate the variable speed blower based on the comparison. The controller is configured to set the variable speed blower to a first fan speed when the temperature value is below the first threshold value and to a second fan speed when the temperature value is above the second threshold value. The controller is further configured to set the variable speed blower to a third fan speed that linearly correlates with temperature when the temperature value is between the first threshold and the second threshold.
US10801763B2 Air conditioner with multiple expansion devices
In various implementations, an air conditioner may include more than one expansion device. Refrigerant flow through the expansion device(s) may be controlled based at least partially on an operational property of the air conditioner.
US10801762B2 Compressor floodback protection system
A climate-control system may include a compressor, a condenser, an evaporator, a first sensor, a second sensor, a third sensor, and a control module. The compressor may include a motor and a compression mechanism. The condenser receives compressed working fluid from the compressor. The evaporator is in fluid communication with the compressor and disposed downstream of the condenser and upstream of the compressor. The first sensor may detect an electrical operating parameter of the motor. The second sensor may detect a discharge temperature of working fluid discharged by the compression mechanism. The third sensor may detect a suction temperature of working fluid between the evaporator and the compression mechanism. The control module is in communication with the first, second and third sensors and may determine whether a refrigerant floodback condition is occurring in the compressor based on data received from the first, second and third sensors.
US10801759B2 Domestic refrigeration appliance with a coolant circuit and method for operating a domestic refrigeration appliance with a coolant circuit
A domestic refrigeration appliance has a heat-insulated housing with a coolable inner container delimiting a coolable interior for storing foods. The interior is cooled with a coolant circuit that includes a compressor with a three-phase motor operated by an actuator via electrically powered motor windings. The actuator is actuated at least indirectly to operate the compressor in a switched-on state with a rotational speed of the three-phase motor at least approximately equal to a predetermined rotational speed. The actuator is caused to switch off the compressor such that the rotational speed of the three-phase motor decreases to a predetermined minimum rotational speed, and thereafter to switch off the three-phase motor for at least a predetermined period of time by de-energizing the motor windings. The period of time is selected long enough to reduce the speed of the motor, beginning from the minimum rotational speed, to reach standstill.
US10801758B2 Accumulator fixing device for compressor, and air-conditioning apparatus including same
Disclosed are: an accumulator fixing device for a compressor, the device being capable of minimizing the generation of vibration and noise; and an air-conditioning apparatus including the same. The disclosed accumulator fixing device comprises: fixing members fixedly provided to an outer side of a compressor; a first supporting member fixing a portion of the accumulator together with the fixing member while encompassing the circumference thereof; and a second supporting member fixing another portion of the accumulator together with the fixing member while encompassing the same, wherein the first supporting member and the second supporting member are arranged to be spaced from each other by a preset gap.
US10801752B1 Tankless water heater for a recreational vehicle
A tankless water heater for use in a recreational vehicle uses one or more water chambers, each with a heating element, through which cold water flows and is heated. The system is connected to the alternating current of the recreational vehicle and controls the water temperature by sending the current through one or more TRIACs that change the firing angle of the current in order to increase or decrease power flow to the heating elements depending on the sensed temperature of the outflowing water that is compared against the selected temperature or to match the amount of power flow desired to be sent to the heating elements. The user selects whether to control the unit via a temperature selection or an amount of power flow selection.
US10801750B2 Comfort units and systems, methods, and devices for use thereof
Despite otherwise uncomfortable conditions in a surrounding environment, a customizable microenvironment can be created around a user to maintain a comfortable temperature and/or humidity level using a comfort unit. For example, the environment may be an office building where conditions are out of the comfortable range to save on energy or for other reasons, a factory/shop environment that is poorly conditioned, or an outdoor location with little to no conditioning. A sensing unit can monitor biometric and environmental data and can determine a comfort level of the user. The comfort unit can then dynamically respond to the determined comfort level and adjust the microenvironment to improve the user's comfort level. The comfort unit can follow the user as the user moves within the macro-environment, or can otherwise move within the macro-environment to achieve certain functions, such as recharging or spatial shifting of thermal load within the overall macro-environment.
US10801749B2 Blow through direct fired heating, A/C and ERV
According to various aspects, exemplary embodiments are disclosed of blow through direct fired heaters including evaporator coils and/or energy recovery ventilation.
US10801746B2 Protective housing structure
A protective housing structure for a heating, ventilation, and air conditioning (HVAC) system includes a first end and a second end with a centerline extending there between. The protecting housing structure includes a cover section that is located between the first end and second end. The cover section includes a dome-shaped top panel that is rigidly attached to a first sidewall and a second sidewall.
US10801743B2 Lighting and ventilating system and method
Embodiments of the invention provide a lighting and ventilating system including a main housing. The main housing can include an inlet through which air can be received within the main housing and an outlet through which the air can exit the main housing. A fan wheel can be supported in the main housing and it can be operable to generate a flow of air. A grille can be coupled to the main housing and the grille can comprise at least one aperture. The system can include a plate coupled to the grille and the plate can include a recess. Also, a set of illumination devices can be at least partially disposed within the recess.
US10801736B2 Liquid distribution unit
A liquid distribution unit, for use in a liquid distribution system designed for saving liquid and thermal energy. It comprises and inlet manifold (FL) with a number of branch connections (CI, C2) for connection, in use, with associated feeding conduits (FC1, FC2) and liquid tap units. The inlet manifold device has an inlet end (IE) for joint connection, in use, with a liquid source (LS). Each branch connection has an associated control valve (CV1, CV2) for selective communication, in use, between the liquid source and an associated one of the feeding conduits. Each branch connection is also provided with an additional branch connection located downstream in relation to the associated control valve, as seen when the liquid is refilled into the feeding conduit, and having an associated, separate liquid evacuation valve (EV1, EV2) and an outlet end (OE1, OE2). The outlet ends of the additional branch connections are jointly connectable to an evacuation liquid pump (EP).
US10801735B2 Downdraft system
Some embodiments of the invention provide a downdraft assembly capable of ventilating a cooktop including housing with a frame, a fluid box, and a movement assembly with a belt-lift. In some embodiments, the movement assembly can include a vertically moveable chimney. Some embodiments include a chimney with a horizontal member coupled to a first vertical region and a second vertical region and including a fluid inlet. In some embodiments, a first control panel can be coupled to the housing to activate at least one function of the downdraft assembly while remaining substantially stationary as the chimney moves. Some embodiments include a second control panel coupled chimney. Some embodiments include a visor and at least one illumination source configured and arranged to at least partially illuminate the cooktop. In some embodiments, the visor can articulate to control illumination or the flow of a cooking effluent into a fluid inlet.
US10801729B2 Thermally coupled CMC combustor liner
A combustor for a gas turbine engine is provided, which includes: a CMC liner having a forward end and an aft end; an annular dome comprising a metal and defining an annular slot within its end defined between an outer arm and an inner arm; a feather seal extending from an annularly exterior surface of the annular dome to an annularly exterior surface of the liner; and a plurality of pin members. The forward end of the liner defines a plurality of fingers and a plurality of axial slots, and is fitted between the outer arm and the inner arm within the annular slot. Each pin member extending through an aperture in the feather seal, through an aperture in the outer arm of the annular dome, through an opening defined by the liner, and through an aperture in the inner arm of the annular dome.
US10801726B2 Combustor mixer purge cooling structure
The present disclosure is directed to a combustor assembly for a gas turbine engine. The combustor assembly includes a deflector wall, an annular axial wall, and an annular shroud. The deflector wall is extended at least partially along a radial direction and a circumferential direction relative to an axial centerline and adjacent to a combustion chamber. A fuel nozzle opening is defined through the deflector wall, and a nozzle centerline is extended through the fuel nozzle opening along a lengthwise direction. The annular axial wall is coupled to the deflector wall and extended through the fuel nozzle opening. The axial wall is defined around the nozzle centerline. The annular shroud is defined around the nozzle centerline and extended co-directional to the axial wall. The axial wall and the annular shroud are each coupled to a radial wall defined upstream of the deflector wall. The annular shroud, the axial wall, and the radial wall together define a cooling plenum therebetween. The axial wall defines a discrete inlet opening therethrough providing fluid communication from a diffuser cavity to the cooling plenum. The cooling plenum defines an exit opening providing fluid communication from the cooling plenum to the combustion chamber.
US10801724B2 Method and apparatus for minimizing cross-flow across an engine cooling hole
An apparatus and method for minimizing a cross-flow across an engine cooling hole can include a component, such as an airfoil, having an outer wall bounding an interior from an exterior. A cooling passage is formed in the interior of the component for cooling the engine component. A cooling hole or film hole can be provided in the outer wall fluidly coupling the interior to the exterior. The cooling passage can be shaped to minimize cross-flow over the cooling hole at the interior of the component.
US10801711B2 LED lamp having inner channel and outer channel for dissipating
An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell; a power source having a first portion and a second portion; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips electrically connected to the power source; a first heat dissipating channel formed in a first chamber of the lamp shell for dissipating heat generated from the power source while the LED lamp is working, and the first chamber is located between bottom of the LED lamp and an upper portion of the lamp neck; and a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink for dissipating the heat generated from the LED chips and transferred to the heat sink; wherein a lateral outline of the LED lamp detours around the axis of the LED lamp 360 degrees to turn around to form a contour of the LED lamp, the outline includes an outline of the lamp neck and an outline of the heat sink, the outline of the lamp neck has a slope A which is a constant, the outline of the heat sink has a slope B which is a constant, and the value of the slope A is greater than that of the slope B.
US10801710B2 Mounting and wiring substrates for lighting device and method for manufacturing mounting and wiring substrates for lighting device
An LED lighting device capable of discharging heat generated from a light emitting element to the outside the LED lighting device. An LED lighting device includes: a plurality of light emitting elements; a mounted substrate on which the light emitting elements are mounted; and an electrode portion configured to supply a current to the light emitting elements from outside the LED lighting device. On the mounted substrate, a wiring substrate is located. On the upper surface of the mounted substrate, the mounted substrate includes: a light emitting region in which the plurality of light emitting elements are mounted; an exposed region which is located on the outer side of the light emitting region and through which the upper surface of the mounted substrate is exposed; and a wiring region which is located on the outer side of the light emitting region and in which the wiring substrate is located.
US10801709B1 Interlocking joiner bracket and system for adjoining light fixture sections
An example joiner bracket system for joining a first section and a second section of a fixture includes a pair of oppositely-oriented joiner brackets that have interlocking and complementary shapes. The joiner brackets may include features that engage with or attach to corresponding elements within the first and second fixtures. After the joiner brackets are secured to their respective fixture sections, the pair of joiner brackets may be positioned near each other to align a pair of bore holes or coupling bosses each extending at an angle through the pair of joiner brackets. Screws or other suitable fasteners may be driven through the aligned bosses or bores to couple to the bosses, and upon further engagement, to pull together the joiner brackets together and, in turn, bring together the first and second sections of the lighting fixture.
US10801706B2 Ceiling interface for luminaires
The invention provides a fixture element (1) for mounting a luminaire (10) at least partly in an opening (510) of a ceiling (500), wherein the fixture element (1) comprises (i) a body (100), (ii) a first side portion (155) protruding relative to the body (100) at a first side (150) of the body (100) and configured to support the luminaire (10), (iii) a second side portion (165) protruding relative to the body (100) at a second side (160) of the body (100), and (iv) an engagement element (200) resiliently connected to the second side (160) of the body (100) and configured to clamp a part of the ceiling (500) between the engagement element (200) and the second side portion (165).
US10801705B2 LED light emitting strip and arrangement of LED light emitting strips
The present invention provides a LED light emitting strip, comprising: a substrate extending along a length direction of the strip; a plurality of LED chips arranged on or in the substrate, wherein the LED chips are arranged in at least one row along the length direction; at least two contact stripes configured to supply the LED chips with electric energy, wherein each of the contact stripes individually extends, at least partially, along a side of the substrate in the length direction, and wherein the LED chips are contacted to the contact stripes at least partially in a transverse or oblique direction of the strip. The present invention further provides an arrangement of light emitting strips including such a LED light emitting strip and a method of manufacturing such an arrangement.
US10801703B2 Adjustable carrier structure for a lamp and also a lamp
An adjustable carrier structure for a lamp is described. Said adjustable carrier structure comprises an optical component carrier on which an optical component may be fastened, a coupling device for fastening the carrier structure on the lamp, and at least one threaded spindle. The latter comprises a first threaded spindle end that is mounted in an axially-fixed and non-rotatable manner on the optical component carrier, and is connected to the coupling device via a threaded socket that cooperates with the threaded spindle. In this case, the threaded socket is connected to the coupling device in an axially-fixed and rotatable manner. The threaded spindle extends essentially parallel to an optical axis of the adjustable carrier structure. A distance may be set between the first threaded spindle end and the coupling device by means of rotating the threaded socket. Moreover, a lamp having a carrier structure of this type is proposed.
US10801702B1 Light fixture comprising carbon materials and methods therefor
A light fixture may include a dome member including exterior and interior surfaces, and a panel positioned adjacent to the interior surface of the dome member. The panel may comprise carbon fiber. The panel may provide a mounting surface to which circuit boards including LEDs are mountable. The panel may include raised portions and recessed portions, which provide a mounting surface to which the circuit board(s) may be mounted. The circuit board may span the distance between adjacent raised portions of the panel, spanning a corresponding recess. Such a recess may provide for an air gap for improved air circulation. The fixtures may be used in corrosive environments, to provide a useful life that is extended relative to what the lifespan would be if the panel were not carbon fiber. Examples of corrosive environments include livestock facilities, enclosed agricultural facilities, coastal highways, sewage and other water treatment plants, etc.
US10801701B2 Phosphor wheel, light source unit, and image display device
To provide a phosphor wheel capable of restraining vibration caused by a driving unit for rotatably driving a wheel and reducing noise in a high frequency band. The phosphor wheel includes: a wheel substrate that has a surface on which a fluorescent material is provided; a driving unit that rotates the wheel substrate; a support portion that supports the driving unit and is fixed to a housing; and a buffer member that is provided to fill a space between the support portion and a part of the housing.
US10801700B2 Devices, systems and methods for varying beam structures
Devices, systems and methods for providing an output beam are disclosed. The devices, systems and methods can employ a light source (802) configured to output light and a plurality of lenses (702). The lenses include a first lens (704) having a first freeform surface configured to receive the light and a second freeform surface configured to transmit the light towards a second lens (706) of the plurality of lenses. The second lens (706)5 includes a third freeform surface configured to receive the light from the second freeform surface and includes a fourth freeform surface configured to transmit the light out of the second lens.
US10801699B2 Optical device switchable diffuser
Optical devices are disclosed. In particular, optical devices including a collimated light source, at switchable diffuser, and at least one light deflecting element are disclosed. The electrically switchable diffuser, in combination with the at least light deflecting element can provide significant changes in the overall distribution of light at the electrically switchable diffuser is switched between two or more states.
US10801698B2 High visual comfort road and urban LED lighting
The invention provides a lighting system having a light source, a first reflective element, a second reflective element, and a lens, wherein the first reflective element tapers from a first end to a second end, the first reflective element includes a first reflective surface bridging the distance between the first end and the second end, wherein the first reflective surface is diffuse reflective, and wherein the light source is at least partially circumferentially surrounded by the first reflective surface, the light source is configured closer to the second end than to the first end to direct at least part of the light source light in the direction of the first end, the lens is configured to beam shape at least part of the light source light emanating from the reflective element and the light source, and the second reflective element is configured to redirect part of the light source light to the lens, wherein the second reflective element is configured to specularly reflect at least part of the light source light that reaches the second reflective element.
US10801696B2 Lighting systems generating partially-collimated light emissions
Lighting system. Bowl reflector has rim defining horizon and aperture, first light-reflective surface defining cavity, first parabolic surface. Funnel reflector has flared funnel-shaped body: central axis; second light-reflective surface aligned along axis; second parabolic surface; tip located within cavity along axis; profile including parabolic curves converging towards tip. Optically-transparent body aligned with second light-reflective surface along axis; with: bases spaced apart by side surface; first base facing light source. Second parabolic surface has ring of focal points at first position within cavity, equidistant from second parabolic surface; ring encircles first point on axis. Second parabolic surface has axes of symmetry intersecting with and radiating in directions all around axis from second point. Axes of symmetry intersect with focal points. Second point on axis between first point and horizon. Light source located for causing light emissions reflected by second parabolic surface to have partially-collimated distribution.
US10801694B2 Lens having mutually different optical segments
A lighting apparatus comprising a single point-like light source, preferably a LED, and a transmissive lens structure optically connected to said light source defining a plurality of optically functional, mutually different segments dedicated for controlling the light, e.g. distribution and direction, originally emitted by said single light source. A corresponding transmissive element is presented.
US10801693B1 LED lighting element and method of manufacturing the same
Methods and apparatus are presented for retaining a dome lens in a lighting element that provides a projection of light forming a substantially uniform bright light on a surface a known distance from the lighting element. The lighting element includes a dome lens that is removably positioned proximal to a light source, such that the light source is retained at a location within a focal length of a projection lens and at or within a focal length of the dome lens. The dome lens magnifies the light outputted by the light source, such that the projected light is brighter than the light generated by the light source.
US10801691B2 Vehicle display device
A vehicle display device is configured for installation to a vehicle and includes a mirror element configured to reflect external light entering from a front surface toward the front surface, and a light emitting device. The light emitting device includes a light source configured to emit light, and a light guide element configured to guide incident light from the light source. The light guide element includes an emission surface configured to output incident light, and an optical-path changing portion configured to change the optical path of incident light toward the emission surface. The mirror element and the light guide element are stacked at an outer surface of the mirror element to allow the optical-path changing portion to change the optical path.
US10801690B2 Illumination module for a motor vehicle including an opaque mask
An illumination module for a motor vehicle that includes at least a light source, an optical light guide including an entry face for the light emitted by the light source and a light exit face. The optical guide is arranged in order to allow propagation of the light from its entry face to its exit face. An opaque mask is arranged on the path of the light rays exiting the optical guide and includes at least one window allowing the passage of the light. At least one supplementary optical element closes off the window. The supplementary optical element includes a convergent optical device.
US10801688B2 Vehicle lamp device and high-speed lighting vehicle lamp module
A headlight device is provided. The headlight device includes a main headlight module and a high-speed headlight module. The main headlight module is capable of generating a first lighting area having a light pattern that complies with the regulations of low beam headlamps. In addition, the main headlight module includes a main optical axis, and the main headlight module defines a horizontal plane and a vertical plane perpendicular to the horizontal plane, and the main optical axis is parallel to the horizontal plane and the vertical plane.
US10801687B2 Bi-functional light module with common illuminated surface
A light module, notably for a motor vehicle, including a first reflecting surface), of the elliptical type, with a first focus and a second focus; a second reflecting surface, of the parabolic type, with a focus corresponding to the second focus of the first reflecting surface; light rays emitted by a first light source located at the first focus of the first reflecting surface being reflected by the first and second reflecting surfaces to form a first light beam; and a third reflecting surface adjacent to the second focus of the first reflecting surface and configured to reflect, towards the second reflecting surface, light rays emitted by a second light source, in order to form a second light beam.
US10801682B1 Lighted ring
A lighted ring for a post comprising a mounting ring securable on a column of the post, the column extending upwardly from a post base, a cylindrical light transmission module securable to the mounting ring and a light source disposed adjacent the light module. The light source provides illumination of an area adjacent the post through the chamfer. The light transmission module may include an inner wall, a catch spaced axially outward from the inner wall the catch having an inwardly facing protrusion along an upper portion of the catch, a groove extending the entire circumference of the light transmission module between the inner wall and the catch, an outer wall spaced axially outward from the catch and a chamfer along a bottom edge of the light transmission module and a light module slot extending along a portion of the inner wall.
US10801681B1 Recessed light fixture assembly with interchangeable trim collar
A recessed light fixture assembly for securement in a hole formed in a sheet material and wherein the assembly is comprised of a light source support module having an electrical connector for securing a power source thereto for energising the light source, Two or more open-ended light constraining tubular members are each adapted for immovable securement to the light source support module for interconnecting a selected one of the two or more open-ended light constraining tubular members to the light source support module. A first one of the two or more open-ended light constraining tubular members has a trim collar extending in a transverse plane about an outer end thereof. A further of the open-ended light constraining tubular members has a plaster collar extending in a transverse plane spaced a predetermined distance about an outer end thereof. The light source support module has a retention mechanism to retain the recessed light fixture with the selected one of the first and further open-ended light constraining tubular members connected thereto in the hole with its collar held firmly against an outer surface of the sheet material about the hole.
US10801680B2 LED lighting fixture
A light fixture comprising a mounting housing comprising a junction box and a first connector component and a light housing comprising at least one light emitting diode contained within the light housing and electrically coupled to a second connector component complementary to the first connector component.
US10801679B2 Apparatuses and methods for assembling luminaires
Example embodiments include modular lighting fixtures and methods for forming the same. Some include light emitters and base members with mounting locations for the light emitters, the light emitters and base members being combinable in varying combinations with each combination producing a different lighting effect. Some embodiments include a light guide, such as a planar light guide, that receives and redirects light from the light emitters. Additional embodiments include a reflector with portions that are positioned near a mounting location where no light emitter is mounted when the reflector is mounted to a base member. Further embodiments include a reflector with portions that are positioned near the mounting locations when mounted to a base member, the portions being easily removed, such as with an unpowered hand tool, to avoid interference with a light emitting member mounted adjacent to where the removable portion would be if not removed from the reflector.
US10801677B2 Light source device and endoscope apparatus comprising the same
A light source device includes a first semiconductor light source, a second semiconductor light source, and a wavelength converter. The first semiconductor light source emits light in a first wavelength range. The second semiconductor light source emits light in a second wavelength range different from the first wavelength range. The wavelength converter absorbs the light in the first wavelength range to emit light in a third wavelength range different from either of the first wavelength range and the second wavelength range, and transmits the light in the second wavelength range substantially entirely.
US10801676B2 Light emitting device
A light emitting device includes a plurality of leads and a board having a first surface on a first surface side thereof and a second surface on a second surface side thereof, the second surface being an opposite side to the first surface. Light emitting elements are mounted on a first surface of a board. A wavelength conversion member is formed unitarily with a transparent member and covers the light emitting elements. The wavelength conversion member has a first end and a second end. The wavelength conversion member is disposed at a first surface side and a second surface side and is elongated in a longitudinal direction when viewed in a plan view of the first surface side of the board. A first metal plate protrudes at the first end of the wavelength conversion member. A second metal plate protrudes at the second end of the wavelength conversion member.
US10801673B2 Valve and pressurized fluid cylinder
Valve for a pressurized fluid cylinder, comprising a sensor for sensing the position of the control member, said sensor being configured to generate an electric signal indicative of the position or of the fluid flow rate and/or pressure set by a regulating member for regulating flow rate/pressure, the sensor (9) for sensing the position of the control member comprising a conductive circuit having a given electrical resistance, a member for measuring an electric variable of the conductive circuit and a wiper, the conductive circuit and the wiper being movable relative to one another during the movement of the control member with respect to the body of the valve into different configurations in which the wiper modifies the shape and/or area of the conductive circuit measured by the measuring member.
US10801664B1 Articulating sensor bracket
An articulating sensor bracket having a generally cylindrical member with a first end and a second end. The cylindrical member having a longitudinally extending through bore defining a longitudinal axis. The first end defines a ball arrangement and the second end defines a mounting surface. The mounting surface is generally parallel to the longitudinal axis. A bracket has a first leg and a second leg with the first leg disposed generally perpendicular to the second leg. The first leg includes a mounting hole and an arcuate slot extending partially around the mounting hole. The second leg includes a sensor mounting hole. A first fastener is disposed within the mounting hole and is coupled with the mounting surface. A second fastener is disposed within the arcuate slot and is coupled with the mounting surface.
US10801661B2 Curved-surface television wall rack
Disclosed is a curved-surface television wall mount, including a wall panel (1) mounted on a wall surface, and two television mounting plates (2) disposed on the wall panel (1) for mounting a television. The curved-surface television wall mount further includes two supports (3) disposed on the wall panel (1), and the backs of the two television mounting plates (2) are respectively connected by hinges to the two supports (3). When a curved-surface television is mounted by using this structure, the front sides of the television mounting plates can fit to the back of the curved-surface television, thus avoiding deviation, instability or looseness when tightening a fastener, and successfully mounting the curved-surface television.
US10801660B1 Support frame
A support frame includes: a base; a pivot block with a first pivot hole and a second pivot hole; a first strut having a first end portion and an opposite second end portion, wherein the first end portion is pivotally connected to the second pivot hole; an elastic member sleeved on the first strut; a hanging mount pivotally connected to the second end portion; and a second strut having one end pivotally connected to the base and another end pivotally connected to the hanging mount. The first sliding member and the second sliding member on the pivot block pivot on equal degrees, which solves the problem that the spring is overly stretched and easily gets fatigued, thereby improving the durability of the spring.
US10801658B2 Directed jet impulse pig launching system and method of its use
A pig trap of this disclosure may include one or more injectors or nozzles located along a sidewall of the barrel and oriented to deliver a jet of fluid toward a back side of a vertical member of a pig or tool. The nozzle may be part of an assembly that includes a longitudinally extending pipe having a flat-profile flange at an inlet end, a curved-profile flange at the nozzle end, and a bend in between the two ends. When the assembly is installed in a sidewall opening of a pig trap, the nozzle delivers a jet of fluid toward the back side of a vertical member of the pig. A leak path may be provided through flanges or formed between the sidewall opening and a periphery of the curved-profile flange. Launch forces of more than 10 to 15 times that of a conventional launcher may be achieved.
US10801657B2 Detachable system to shut off pressure flow in pipes
Systems and methods for shutting off or stopping fluid flow through a pipe are provided. An inflatable bag stopper assembly is inserted through an opening into the pipe. The assembly includes one or more inflatable bags with each inflatable bag having a check valve positioned at an inlet. In inflatable bag stopper assemblies of two or more inflatable bags, the inflatable bags are connected in series. The inflatable bag stopper assembly is inflated such that the inflatable bag or bags act or serve to obstruct, block, close, or otherwise effectively foreclose passage of the fluid through the pipe.
US10801652B2 Snap together pipe coupling assembly
A pipe system for transporting liquid. The pipe system connects adjacent pipes and includes a pipe having a coupler cup formed in an end thereof. The coupler cup is configured for receiving an end of a second pipe therein. The pipe system includes a coupler cap adapted to snap onto the coupler cup. The coupler cap also has an opening for receiving the second pipe therethrough to couple the first pipe and the second pipe. A seal is disposed between the coupler cap and the coupler cup to provide a sealed pipe system.
US10801643B2 Method for diagnosing a diaphragm valve, and diagnosis system for a diaphragm valve
The invention relates to a method for diagnosing a diaphragm valve having the following steps: a) providing at least one first quantity that characterizes a valve diaphragm, at least one second quantity that characterizes the diaphragm valve, and at least one third quantity that characterizes operation of the diaphragm valve to a determination device; determining a quantity that characterizes a current state of the valve diaphragm, in particular a current wear, from the first, second, and third quantities by means of the determination device by using at least one algorithm.
US10801642B2 Solenoid and method of manufacture
A solenoid is provided having an improved connection arrangement. The solenoid includes external wires that are coupled to internal solenoid components via terminals. Further, a sealed solenoid is provided having a housing overmolded onto a solenoid subassembly. External wires can be coupled to the solenoid after overmolding. The solenoid may also include a cavity for receiving at least one of electrical component. The solenoid may also include a powdered metal core.
US10801638B2 Valve, in particular a 4/2-way slide valve
A valve, in particular a 4/2-way slide valve (60), includes a valve piston (67), which is guided in a longitudinally movable manner in a valve housing (25), for selectively connecting and disconnecting fluid connections in the valve housing (25), such as a pressure supply connection (P), a tank connection (T), and two utility connections (A, B). A magnetic system (49), to which current can be supplied, controls the valve piston (67). When no current is supplied to the magnetic system (49), the control pressure at one of the utility connections (A, B) can be set, in particular limited, by a control device (62, 70, 79, 80, 88) arranged in the valve housing.
US10801634B2 Integrated flow control valve with flowrate feedback
A flow control valve assembly has at least one manifold having an inlet flow port, an outlet flow port, and a flow channel provided there between, the flow channel having an inlet chamber, a variable area chamber and an outlet chamber, with fluid flowing from the inlet flow port to the inlet chamber, the variable area chamber and the outlet chamber, in that order, before exiting the outlet flow port. The flow control valve assembly further includes a float assembly having a float extending through the flow channel and which is limited for its movement inside the variable area chamber, a connecting rod extending through the flow channel and which has an upper end that is connected to the float and a lower end that is connected to a magnet. A measuring device is positioned outside the fluid chamber at the bottom of the at least one manifold, and spaced apart from the magnet.
US10801633B2 Automatic leak prevention shut off valve
A valve body has an outside surface and a cylinder. The cylinder has an inlet chamber and an outlet chamber. A piston has a head at one end and a foot at the end opposite the head and a piston body between the head and the foot. A cross channel extends from a first side of the piston body. A longitudinal channel is in fluid communication with the cross channel and extends to the outlet chamber. The piston is positioned in the cylinder so that it can be moved to an open position in which the cross channel is in fluid communication with the inlet chamber and a closed position in which the cross channel is not in fluid communication with the inlet chamber. The piston is actuated between the two positions by a differential in pressure between the inlet chamber and the outlet chamber.
US10801631B2 Pressure-limiting unit for a pressure booster as well as a pressure booster for driving hydraulic tools
A pressure-limiting unit for a pressure booster for driving hydraulic tools. The unit includes a pneumatic unit that is driven by gas or air pressure, a hydraulic unit connected to the pneumatic unit and having a hydraulic port for connecting the hydraulic tool to the hydraulic unit in a fluid-tight manner and a pressure-limiting valve for adjusting the hydraulic pressure. The unit includes a closing element pushed against a valve seat by a spring element and having a displaceable adjusting element for adjusting the spring force of the spring element. To provide a pressure-limiting unit and a pressure booster for driving hydraulic tools with a pressure-limiting unit, which offer the possibility of making a precise adjustment of the hydraulic pressure in a simple way, the pressure-limiting unit includes a position detection unit connected to the adjusting element to detect the axial position of the adjusting element, an evaluation unit for determining the set hydraulic pressure as a function of the axial position, and an output unit for displaying the set hydraulic pressure.
US10801630B2 Fluid distributor
An in-line fluid distributor having either or both manual and remote control capability is disclosed. The fluid distributor integrates several typically separated components into a single sealed unit that incorporates a plurality of uni- and bi-directional input and output ports. By integrating the fluid distribution and control components into an integral single device, problems relating to size, system and connection leakage, maintenance, and accessibility are largely reduced or eliminated. The fluid distributor has limited number of components thereby simplifying manufacture and potential repair. By design the fluid distributor may be used for the controlled distribution of any fluid, whether liquid or gas.
US10801629B2 Solenoid device
A solenoid device includes a yoke, a core, a shaft, a bobbin, a coil, a plunger, a lid, and a housing. A housing body part of the housing has a first opening; a cylindrical first inner wall part having a first step part extending toward the outer side in the radial direction; and a cylindrical second inner wall part having a second step part extending toward the outer side in the radial direction. A first cylindrical part has a first flange part. The outer diameter of the first flange part is larger than the inner diameter of the first inner wall part and smaller than the inner diameter of the second inner wall part. A circumferential end part of the first flange part contacts the second step part. The lid is non-magnetic, and a circumferential edge part is held between the first step part and the first flange part.
US10801625B2 High-pressure sealing ring
A high-pressure sealing ring for hydraulic assemblies has a substantially—“L”-shaped body with a leg and foot, where an external heel-portion is designed to provide a “rolling” line of sealing contact with the seat in the cylinder or piston in which it is seated.
US10801624B2 Protective labyrinth over mast seal to protect from water intrusion
The present invention includes a helicopter rotor seal assembly comprising: a rotor mast having a longitudinal axis and an outer surface; a sleeve aligned longitudinally with the axis and surrounding a portion of the rotor mast, the sleeve having an outer surface, and an inner surface; an annular horizontal seal between the inner surface of the sleeve and the outer surface of the rotor mast; and an upper annular rotor mast seal affixed to the outer surface of the rotor mast and extending outwardly sufficient to cover the annular horizontal seal.
US10801623B2 Device and method for extending the lifespan of a shaft seal for an open-drive compressor
A device and method for extending the lifespan of a shaft seal for an open-drive compressor is provided. The device and method can also reduce and/or prevent deterioration of the shaft seal regardless of the operation condition of the open-drive compressor. The device and method can further reduce and/or prevent leakage of a lubricant and/or refrigerant that can cause deterioration of components within a transport refrigeration unit (TRU).
US10801622B2 Interlocking face seal assemblies and related methods
Supported face seal assemblies and related methods are disclosed. The supported face seal assemblies have spring energized seal element supported by a backing ring. When the two components are joined, they form an interlocking face seal assembly that is less prone to separate during installation and/or service. The methods disclosed include the steps of forming a spring energized sealing element with a convex outer surface, forming a backup or support ring with a concave inner surface, assembling the sealing element into the inner bore of the backup or support ring such that the concave inner surface accepts a portion of the convex outer surface and the sealing element is retained within the backup or support ring.
US10801619B2 Parking lock device
A parking lock device includes a parking mechanism, a lock state switching member, a selector, a gradient detector, a switching controller, and an engine speed controller. The lock state switching member locks a parking gear when supply of hydraulic pressure is stopped. When hydraulic pressure is supplied, the lock state switching member releases the lock of the parking gear. The selector receives operation to select a shift range. The gradient detector detects a gradient of a road surface. When a parking range is selected, the switching controller stops supplying the hydraulic pressure to the lock state switching member. When another shift range is selected, the switching controller supplies the hydraulic pressure to the lock state switching member. When the parking range is selected and the gradient of the road surface is equal to or larger than a predetermined value, the engine speed controller increases an engine speed.
US10801611B1 Method of controlling line pressure of hydraulic circuit of transmission
A method of controlling line pressure of a hydraulic circuit of a transmission, may include turning on electric current by a controller to apply the electric current to an electric oil pump and determining line pressure depending on the electric current applied; and turning off the electric current by the controller so that the electric current being applied to the electric oil pump is cut off when the determined line pressure is greater than a predetermined reference upper limit value, estimating line pressure dropping down with a passage of time and determining the estimated line pressure, wherein when the estimated line pressure becomes lower than a predetermined reference lower limit value, the turning on the electric current is repeated.
US10801610B2 Automotive transmission
The present disclosure relates to an automotive transmission, and more particularly, to an automotive transmission capable of reducing a space required for a gear shift operation and preventing an erroneous operation. The automotive transmission includes a shift operation unit including a plurality of touch operation units, a shift operation detector configured to detect a touch operation on one of the plurality of touch operation units, and a controller configured to determine a shift stage based on the detected touch operation. The plurality of touch operation units include a first touch operation unit configured to enable selection of one of a plurality of shift stages in one of a plurality of operation modes, and a second touch operation unit configured to operate in one of the plurality of operation modes based on an operation state of the first touch operation unit.
US10801609B2 Method of assembling a planet carrier
The invention relates to a method for assembling (S) a planet carrier (16), comprising the following steps: separately producing (S1) the cage (20) and the cage carrier (30), providing a machining allowance at one element from among the through-holes (23, 25) in at least one upright (21) of the cage (20) or the through-hole (32) in a finger bar (31) of the cage carrier (30), and/or at one element from among a bearing seat (26) or a rolling bearing seat (41, 42); assembling (S2) the cage (20) and the cage carrier (30) and securing (S3) same to produce a one-piece assembly; determining (S4) the position of a reference axis (Y1, Y2) linked to the cage (20), to the cage carrier (30) and/or to the shaft (40); and, taking account of the position of the reference axis (Y1, Y2), machining (S5) all or part of the machining allowances.
US10801604B2 Relief unit and robot
A relief unit that is attached to an attachment hole penetrating through a wall of a housing accommodating a power transmission mechanism of a robot together with lubricating oil in a sealed state, which includes a body that is provided with an attachment section attachable to the attachment hole and that forms a communication passage disposed at a position where an internal space of the housing and an external space are connected when the attachment section is attached to the attachment hole. An opening and closing mechanism that is provided in the communication passage, closes the communication passage in a sealed state when the opening and closing mechanism is closed, and that opens the communication passage when the opening and closing mechanism is opened. a catching part is disposed at an intermediate position of the communication passage that catches the lubricating oil.
US10801602B2 Axle assembly having counterphase planet gears
An axle assembly having a planetary gear set. The planetary gear set may include first and second sets of planet gears that may mesh with a sun gear and a planetary ring gear. The second set of planet gears may be spaced apart from the first set of planet gears and may be positioned in counterphase with the first set of planet gears.
US10801598B2 Hybrid axle drive with torque vectoring
An electric axle drive utilizes an electric motor to propel both half-shafts via final drive gearing and a differential. Torque vectoring gearing alters the torque distribution by transmitting power from one of the half shafts to the motor or from the motor to the half-shaft in response to engagement of brakes. Both the final drive gearing and the torque vectoring gearing are implemented using stepped planetary gear sets. The final drive gearing and differential are located on one end of the electric motor. The torque vectoring gearing is located on the opposite end of the electric motor.
US10801597B2 Cap with clutch for helical LSD
A cap for a helical LSD is provided with: a clutch member including clutch teeth; a clutch ring including a ring portion including clutch teeth so as to mesh with the clutch member and one or more tab portions projecting radially outwardly from the ring portion; a cap main body fixed on an axial end of the casing; a receding portion of the cap main body receding from a first face toward a second face and being so dimensioned as to receive and allow the clutch ring to be axially movable, the receding portion including one or more dock portions respectively receiving the tab portions; an opening to allow access to the tab portions; side faces of the tab portions and inner faces of the dog portions so that the faces in combination axially press the clutch ring toward the clutch member; and one or more base portions.
US10801592B2 Roll gap adjust mechanism
In accordance with an example embodiment, a mower-conditioner may include first and second conditioning rolls, at least one eccentric assembly, and a linkage. The first and second conditioning rolls are spaced apart a distance. The at least one eccentric assembly is coupled to the mower-conditioner. The linkage is coupled between the eccentric assembly and the first conditioning roll. The movement of the at least one eccentric assembly causes the first conditioning roll to move via the linkage, which adjusts the distance between the first and second conditioning rolls.
US10801591B2 System and method for converting rotating motion into linear motion
A system includes a rotating drive and a linear drive. An input driven gear may be coupled to the rotating drive while a sun gear is coupled to the shaft of the input driven gear. A first counterweight may support an idler gear and an output gear. The first counterweight is coupled to the driven gear and which rotates with the driven gear. The idler gear is coupled to the sun gear and an output gear. The idler gear may rotate the output gear when the idler gear is translated around the sun gear. A second counterweight is coupled to the output gear and which rotates with the output gear when the output gear is rotated by the idler gear. An end portion of the second counterweight coupled to the linear drive moves in substantially straight line as the second counterweight rotates while also being translated around the sun gear.
US10801590B2 Power delivery devices for reciprocating engines and related systems and methods
In some aspects, reciprocating engines can include a drive mechanism for generating a rotational motion output from reciprocating piston assembly, where the drive mechanism includes an axially translating y-axis component to reciprocate along a y-axis with the piston assembly; an x-axis component: i) configured to reciprocate substantially perpendicularly to the y-axis, ii) having an internal ring gear, and iii) having an orbital engagement component substantially concentric with the internal ring gear; an output shaft assembly having an output pinion gear engaging tangentially with the internal ring gear; and a stationary engagement component substantially concentric with the output shaft assembly, the stationary engagement component interfacing with the orbital engagement component, the interfacing between the stationary engagement component and the orbital engagement component applying a force to the x-axis component to maintain contact between the internal ring gear and the output pinion gear.
US10801587B2 Parallel axis type transmission
A transmission includes a first power transmitting path of gears that obtains odd number speeds and has an output part, a second power transmitting path of gears that obtains even number speeds and has an output part; a first gear shifting part incorporated in the first power transmitting path to obtain one of the odd number speeds, a second gear shafting part incorporated in the second power transmitting path to obtain one of the even number speeds, and a path shifting part that is arranged between the first and second power transmitting parts. The path shifting part shifts the first second power transmitting paths to output power to the output shaft.
US10801582B2 Method and apparatus for retaining shackles using thimble retaining element
A retention assembly for captivating a shackle assembly on a loop of a conventional wire rope sling assembly and preventing removal of the shackle assembly. A thimble member has first and second legs forming a loop, and at least one aligned transverse bore extending through each of the first and second legs of the thimble member. A shackle member is partially installed through the loop of the thimble member. Thereafter, a retaining member is secured within the aligned bores of the first and second leg, extending across the loop, and preventing withdrawal of the shackle member from the loop without observable damage to the shackle, thimble, retaining member , sling assembly or combinations thereof.
US10801581B2 Cord coupling system
A cord coupling system is provided. The cord coupling system includes a housing with a first half, a second half, a top surface, an opposed bottom surface, a front surface, and a rear surface. The housing includes a set of channels. The set of channels have a pair of rotatable jaws partially disposed therein and a pair of gates are adjacent to the pair of rotatable jaws. The pair of rotatable jaws and the pair of gates rotate between a first position and a second position.
US10801580B2 Wrapped V-belt and method for manufacturing wrapped V-belt
A wrapped V-belt includes: a belt main body containing a compression layer containing a compression rubber layer and a fabric-laminated body layer a tension rubber layer and a tension member buried between the compression layer and the tension rubber layer; and an outside cloth that covers a periphery of the belt main body, in which the compression layer has a plurality of notch portions not covered with the outside cloth, and the notch portion has a top disposed in the fabric-laminated body layer.
US10801578B2 Household appliance foot and household appliance
A household appliance foot comprises a hydraulic plate; a sheath, which is fixedly connected with the hydraulic plate; a regulating foot, which is arranged in the sheath and is axially movable relative to the sheath; an accommodation chamber, which is formed by the hydraulic plate, the sheath and the regulating foot; and a hydraulic medium, which is arranged in the accommodation chamber and is compressed or expands with pressure changes to drive the regulating foot to axially move in the sheath for leveling. Based on the hydraulic principle, the regulating foot can perform adaptive regulation automatically because of the fluidity of the hydraulic medium due to different pressures resulting from unflatness, the hydraulic medium stops circulating until the household appliance foot achieves balance, and automatic leveling is achieved.
US10801568B2 Disc brake
A disk brake includes a caliper, an inner pad and an outer pad that press a disk, a piston pressing the inner pad, and a claw portion pressing the outer pad. The inner pad includes a first surface that contacts the disk when the inner pad presses the disk and a second surface opposite to the first surface. The second surface has a first hole. The outer pad includes a third surface that contacts the disk when the outer pad presses the disk and a fourth surface opposite to the third surface. The fourth surface has a second hole. The first hole and the second hole are disposed so that, when the inner pad is projected onto the outer pad in the axial direction of the disk, the gravity center of the first hole and the gravity center of the second hole are offset relative to each other.
US10801564B2 Disk brake comprising a quick contact device
A disk brake actuated preferably by compressed air, for a motor vehicle, includes an application mechanism. The application mechanism has a brake rotary lever which acts on a traverse in which there is arranged at least one readjusting spindle which acts on an application-side brake pad, having a readjusting device, and having a quick contact apparatus. The quick contact apparatus effects an advancing movement which is superposed on an actuation of the disk brake during the phase of overcoming an air gap. The quick contact apparatus has an intermediate element which is variable in terms of its position and which has at least a wedge-shaped design.
US10801558B2 Synchromesh mechanism and transmission
A synchromesh mechanism includes a shaft, a shift sleeve, a first gear and a second gear arranged at the both sides of a hub, and a first synchronizer ring and a second synchronizer ring arranged at the both side of the hub. The shift sleeve has a length so that it can start contacting with the first synchronizer ring and the second synchronizer ring at the same time.
US10801554B2 Multiplate friction clutch
A multiplate friction clutch includes: a pressure plate having a boss portion which penetrates a clutch center; a clutch lifter plate joined to the boss portion and receiving a drive force in a axial direction at a time of disconnection between a friction plate and a clutch plate; and a spring sandwiched between the clutch lifter plate and the clutch center, and capable of generating an elastic force in a direction that the friction plate and the clutch plate are pressed to each other. A position restricting portion is provided on the clutch lifter plate, the position restricting portion being brought into contact with the boss portion from an outside in a radial direction of the clutch lifter plate so as to restrict a position of the clutch lifter plate with respect to the pressure plate.
US10801553B2 Motorized disconnect system and operation methods
Methods and systems are provided for a motorized disconnect operable to selectively engage and disengage two rotating components of a vehicle drivetrain. As one example, a motorized disconnect system is provided that operates via an electric motor and includes a shifter assembly with an oscillating gear track and cam profile for rotating the shifter assembly while moving it in an axial direction to selectively couple two rotating components.
US10801552B2 Torque-dependant, releasable clutch for a hand-held power tool
A torque-dependent, releasable clutch for a hand-held power tool is specified, which includes a first clutch element, which interacts with a second clutch element to transmit a torque, at least one of the two clutch elements being movable with respect to the other clutch element and being pretensioned by a spring element, the spring element having a nonlinear load-displacement characteristic.
US10801550B1 Encoder system and method of assembly for large bearings
An encoder system mounted on a large diameter bearing, the large diameter bearing having an inner ring and an outer ring, the encoder system providing a tensioning assembly mounted in a pre-machined portion of the inner ring, the tensioning assembly including a first tensioning part having a first machined recess and a first groove, and a second tensioning part having a second groove, the second tensioning part conforming in size and shape to the first recess and disposed within the first machined recess. The tensioning assembly is centered and fixed on to the inner ring. An encoder assembly mounted on the outer ring, the encoder assembly including a first encoder part fixed to the outer ring, and a second encoder part fixed to the first encoder part and aligned in front of the encoder band. A method of assembling an encoder system to a large diameter bearing is also provided.
US10801549B2 Axial load management system
An axial load management system for a turbomachine including a rotating drivetrain, a thrust bearing assembly, a sensor, and a valve supply line. The rotating drivetrain includes a compressor section and an expander section fluidly coupled together by a closed flowpath. The thrust bearing assembly includes a thrust runner, a thrust bearing housing, and a gas thrust bearing extending between the thrust runner and the thrust bearing housing. Further, the gas thrust bearing supports the rotating drivetrain. The sensor is attached to at least one of the thrust bearing housing or the gas thrust bearing. The valve supply line is fluidly coupled to the closed flowpath. A valve positioned within the valve supply line selectively allows a working fluid to flow between the closed flowpath and a thrust chamber defined by a rotating surface and a fixed surface to modify an axial load on the rotating drivetrain.
US10801548B2 Oil feeder
A pump includes a piezoelectric element that deforms when a drive voltage is applied to it, and a reservoir that has a capacity to store lubricating oil and that is at least partially deformed elastically to change in the capacity when the piezoelectric element deforms. The pump discharges the lubricating oil when the reservoir decreases in the capacity. A drive circuit unit is switchable between an application state where the drive circuit unit applies the drive voltage to the piezoelectric element, and a release state where the drive circuit unit releases the drive voltage applied to the piezoelectric element. A controller controllably switches the drive circuit unit between the application state and the release state. An electric power storage unit stores electric power that is output from the piezoelectric element when the drive voltage applied to the piezoelectric element is released.
US10801546B2 Ball bearing cam follower for an adjustable aircraft seat
A cam follower assembly includes a ball bearing having an outer ring and an inner assembly which includes two or more segments. The inner assembly is disposed in the outer ring with a full complement of balls disposed therebetween. The outer ring and inner assembly each include a race having a gothic arch cross sectional configuration that causes the balls to roll on two portions of each race.
US10801545B2 Load-sharing bearing system and an associated method thereof
A bearing system includes a stationary element, a housing, a shaft, a first and second thrust collars, a first and second bearing units, and a mechanical component. The housing includes a first end portion and a second end portion contacting the stationary element. The shaft and second thrust collar are disposed within the housing. The first and second thrust collars are spaced apart from each other and coupled to the shaft. The first bearing unit is disposed between the first thrust collar and a first side of second thrust collar. The first bearing unit contacts the first thrust collar and coupled to the first end portion. The second bearing unit is disposed between a second side of second thrust collar and second end portion. The second bearing unit contacts second thrust collar. The mechanical component extends along the shaft and contacts the second bearing unit and second end portion.
US10801539B2 Screw capable of reducing drilling torque
A screw capable of reducing drilling torque includes a shank provided with cutting threads, and a head and a drilling portion respectively formed at two ends of the shank. Each cutting thread has two opposite flank surfaces converging at a thread crest. On the thread crest are recessedly formed notches alternating with grooves. Each groove has an upper crest edge and a lower crest edge meeting the flank surfaces respectively. Each notch has a first cutting edge and a second cutting edge meeting the flank surfaces respectively. The above cutting edges and crest edges cooperate to provide multiple cutting points, thereby increasing the cutting efficiency, preventing the improper entanglement of fibers, and reducing drilling torque for easier screwing. The notches and grooves accommodate and press partial debris for achieving a stable and tight engagement between the screw and an object and increasing the ability of resisting the pulling-out force.
US10801536B2 Deformable body, and system comprising a deformable body and an anti-creepage ring
The invention relates to a deformable body with a hole which is suitable for receiving an anti-creepage ring and a fastener, wherein the hole has a central axis and the hole is delimited by the deformable material which forms the deformable body, wherein the body comprises a deformable protruding ring which surrounds the hole and protrudes in the direction of the central axis and a projection which surrounds the hole and is arranged at a distance from the protruding the ring in a direction perpendicular to the central axis, and the ring protrudes beyond the projection in the direction of the central axis.
US10801533B2 Fluid pressure circuit
A fluid pressure circuit for controlling a rod of a cylinder controlled in accordance with an operation command includes a tank, a fluid pressure actuator configured to pressurize fluid supplied from the tank for extending and retracting the cylinder, a flow control valve arranged between the fluid pressure actuator and the cylinder device configured to switch a flow passage of pressurized fluid and discharge via a first throttle return fluid from the cylinder, a variable regeneration switching valve configured to discharge return fluid from the cylinder to the flow control valve upon non-regeneration and upon regeneration, branch part of the return fluid and discharge via a second throttle the fluid branched, a regenerative motor configured for regeneration by fluid branched by the variable regeneration switching valve, and a third throttle connected in series with the first throttle upon the regeneration to limit flow of return fluid.
US10801532B2 Work machine
A work machine including: a hydraulic cylinder 20 configured to drive a work implement 3; a control valve 22 configured to connect a delivery line of a hydraulic pump 21 switchingly to a bottom fluid chamber and a rod fluid chamber of the hydraulic cylinder 20 and a tank; a pilot pump 23 configured to output a pilot pressure to drive the control valve 22; an engine 24 configured to drive the hydraulic pump 21 and the pilot pump 23; and an accumulator 26 configured to accumulate a return hydraulic fluid from the hydraulic cylinder 20 is provided with: a bypass line 41 configured to connect the bottom fluid chamber of the hydraulic cylinder 20 and a delivery line 21a of the hydraulic pump 21 by bypassing the control valve 22 and be provided with the accumulator 26 thereon; a pressure-accumulation control valve 27 provided between the bottom fluid chamber of the hydraulic cylinder 20 and the accumulator 26; a release control valve 28 provided between the accumulator 26 and the delivery line 21a; and a hydraulic system controller 30 configured to open the release control valve 28 if an engine revolution speed N becomes lower than a set value Ns.
US10801531B2 Unload circuit
The unload circuit includes a pump oil passage that connects between a hydraulic pump and a direction control valve, a tank oil passage that connects between the direction control valve and a hydraulic tank, a pressure compensating flow control valve interposed between the pump oil passage and the tank oil passage, a pilot operated relief valve interposed between the pump oil passage and the tank oil passage, and an unloading solenoid valve interposed in a vent oil passage of the pilot operated relief valve. The failure diagnosis device includes a pressure sensor that measures a pressure of the pump oil passage, and a controller that receives a pressure signal from the pressure sensor. The controller performs failure diagnosis of the unload circuit based on a differential pressure between a first pump oil passage pressure during unloading and a second pump oil passage pressure during on-loading.
US10801529B2 Magnetic failsafe piston retention assembly, and related components, systems, and methods
A failsafe piston retention assembly, and related components, systems, and methods are disclosed. A failsafe piston retention assembly comprises a head comprising a head body having a first surface. The assembly also includes a piston having second surface, the piston slidably coupled with respect to the head. The piston has a retracted configuration and an unretracted configuration. In the retracted configuration, the second surface is fixed with respect to the first surface by a magnetic force. One advantage of this arrangement is that the piston is retained in its retracted configuration in the event of an operational failure of the piston mechanism. For example, for a hydraulically controlled piston, the magnetic force retains the piston in a retracted configuration even in the event of a loss of hydraulic pressure.
US10801525B2 Hydraulic valve with pressure limiter function
A hydraulic system includes first and second valve assemblies connected to a common pump. The first valve assembly includes a main valve housed inside a manifold. A pressure compensator valve maintains a constant pressure drop across a variable orifice of the main valve. A pressure limiter valve is in communication with the main valve and the pressure compensator valve, and allows an actuator connected to the first valve assembly to operate independently of the second valve assembly so that fluid flow to a work port of the first valve assembly is not interrupted by operation of the second valve assembly.
US10801522B2 System and method for draining a wet-gas compressor
A wet-gas compressor is described, comprising a compressor casing and a rotor, for rotation in the compressor casing and comprised of at least one impeller. In the compressor casing, a cavity is provided, where liquid contained in a wet gas can collect during operation of the compressor. A drain port is at the bottom of the cavity and a vent port is above the drain port of the cavity. The drain port and vent port are in fluid communication with a liquid-level measuring chamber. A level gauge is provided at the liquid-level measuring chamber and a drainage valve for discharging liquid from the cavity towards a liquid discharge line connected to the drain port. A control arrangement receives a signal from the level gauge and controls the opening of the drainage valve liquid in the liquid-measuring chamber reaches a threshold level.
US10801521B2 Heating device and turbo molecular pump
A heating device for heating a component in a turbo molecular pump for exhausting a gas includes a heat transfer member, a heater, a first seal member and a second seal member. The heat transfer member is provided in an opening of a housing of the turbo molecular pump and has one end fixed to the component and the other end exposed to an outside. The heater in the heat transfer member heats the component through the heat transfer member. The first seal member is provided between the heat transfer member and the opening along an outer peripheral surface of the heat transfer member. The second seal member between the heat transfer member and the opening is located close to the component compared to the first seal member. The second seal member suppresses movement of radicals in a gas into a space between the heat transfer member and the opening.
US10801516B2 Turbomachine rotor blade
A field of turbomachine rotor blades, and in particular a turbomachine rotor blade including a blade root and a blade tip spaced apart by a blade height, together with at least one intermediate segment presenting a negative tangential slope, and a distal segment situated between the intermediate segment and the blade tip and presenting a positive tangential slope, wherein the distal segment extends over at most 30% of said blade height.
US10801510B2 Method and apparatus for pressure equalization in rotary compressors
A rotary compressor system includes a compressor housing that includes a compressor motor that draws in fluid from a suction side. The fluid is compressed within a compression chamber and discharged through a discharge side. The compression chamber is disposed between the suction side and the discharge side. An overload-protection switch is electrically coupled in series with the compressor motor and is adapted to cut power to the compressor motor responsive to an overload event. A solenoid valve is fluidly coupled between the compression chamber and a location upstream of the suction side and is electrically coupled in series with the overload-protection switch. An interruption of electrical current to the compressor motor also interrupts electrical current to the solenoid valve, which opens the solenoid valve to equalize pressure between the suction side and the discharge side.
US10801508B2 Integrated thermal comfort control system with variable mode of operation
A system for controlling thermal comfort in a space is provided with a variable mode of operation. The system may include a conditioner for conditioning air in the space, and a sensor for measuring a temperature in the space. A controller is provided for controlling the conditioner based on the temperature sensed by the sensor, and a fan for circulating air within the space is regulated based on the temperature sensed by the sensor. A related system for controlling a fan based on height is also provided, as is a system and method for easily and efficiently determining the height of a fan using a simple camera, such as one on a “smart” phone. A further aspect pertains to a controller, such as for example a portable handheld device, having a user interface adapted for suggesting an increase in a set point temperature of a thermostat based on the selected speed of the fan.
US10801503B2 Multi-pump control system with power consumption optimization
A multi-pump control system includes a processing module, a communication interface, a storage module and a control module configured to ramp up a speed of k pumps in addition to a subset j of i pumps of a system comprising N pumps running at a speed ωj providing a total head Δp, wherein N≥2, 1≤k
US10801502B2 Fluid processing machines and fluid production systems
A fluid processing machine that includes a stator capable of generating an electromagnetic field and a first rotor section having at least one impeller and at least one permanent magnet. The stator is configured to electromagnetically engage with the first rotor section so as to rotate the first rotor section about a central axis in a first rotational direction. Further rotor sections can also be included that are induced to rotate in the first rotational direction. Other rotator sections with impellers and permanent magnets can also be included that are driven in a second, contra-rotating, direction by a second stator. Several of the fluid processing machine can be distributed within a surface system or subsea system that transports produced fluid from wells to a surface facility.
US10801501B2 Fluid system with a continuously variable transmission
A technique for providing a water pumping system suitable for fighting wildfire, flood mediation, sewage transport, and the like is revealed. The system includes an internal combustion engine, a CVT with an input shaft and an output shaft, and a pump with an axial flow impeller. In one variation, multiple impeller stages are used and/or several systems are daisy-chained to provide for suitable delivery of water from its source. In another form, the system is carried by an all-terrain vehicle, side-by-side, or the like, to reach remote areas that need to move water to address a hazardous condition.
US10801500B2 Compressor system separator tank baffle
A separation tank useful to separate a compressed gas from a byproduct of compression (such as a lubricant/coolant used in the compression process) can include one or more baffles. The baffles used in the separation tank can include a number of passages to permit a flow of compressed gas to pass. The passages can include a louver to assists in directing the flow and/or assist in further separation of the compressed gas from the lubricant/coolant. The louvers can appear on one side of the baffle, and in one form are located solely on the downstream side of the baffle. The baffle can include a relief for liquid leveling within the tank. Any number of approaches can be used to make the baffle, including cutting and/or stamping.
US10801499B2 External gear pump
An external gear pump includes a pump housing in which a pump chamber is formed, a primary gear having a plurality of external teeth housed in the pump chamber, a secondary gear having a plurality of external teeth that mesh with the plurality of external teeth of the primary gear in the pump chamber, a first electric motor configured to generate a torque for rotationally driving the primary gear, a second electric motor configured to generate a torque for rotationally driving the secondary gear, and a control unit configured to control the first and second electric motors. The control unit controls the first and second electric motors so that the torque generated by the first electric motor is greater than the torque generated by the second electric motor.
US10801496B2 Positive-displacement machine according to the spiral principle, method for operating a positive-displacement machine, positive-displacement spiral, vehicle air-conditioning system and vehicle
The invention relates to a positive-displacement machine according to the spiral principle, particularly a scroll compressor, having a high-pressure region, which comprises a high-pressure chamber, furthermore having a low-pressure chamber and an orbiting positive-displacement spiral, which engages into a counterpart spiral in such a manner that compression chambers are formed between the positive-displacement spiral and the counterpart spiral, in order to accommodate a working medium, wherein a counterpart-pressure chamber is constructed between the low-pressure chamber and the positive-displacement spiral. According to the invention, the positive-displacement spiral has at least two passages, which at least temporarily produce a fluid connection between the counterpart-pressure chamber and at least one of the compression chambers, wherein a first passage is essentially constructed in a central section of the positive-displacement spiral and at least one second passage is constructed in the initial region of the positive-displacement spiral.
US10801495B2 Oil flow through the bearings of a scroll compressor
A compressor according to the principles of the present disclosure includes a shell, a compression mechanism, a driveshaft, a drive bearing cavity, and a drive bearing. The compression mechanism is disposed within the shell and includes an orbiting scroll member and a non-orbiting scroll member. The orbiting scroll member includes a baseplate and a tubular portion extending axially from the baseplate. The driveshaft is drivingly engaged with the orbiting scroll member. The drive bearing cavity is disposed between an outer radial surface of the driveshaft and an inner radial surface of the tubular portion of the orbiting scroll member. The baseplate of the orbiting scroll member defines a first discharge passage in fluid communication with the drive bearing cavity. The drive bearing is disposed in the drive bearing cavity and is disposed about the driveshaft adjacent to the first end of the driveshaft.
US10801491B2 Cepstrum analysis of oilfield pumping equipment health
The present disclosure introduces apparatuses and methods for assessing health of oilfield pumping equipment. An example pump assembly health monitoring system receives angular position data, including angular positions associated with operation of the pump assembly, and parameter data, including values of a parameter associated with the pump assembly that fluctuates with the angular positions. The monitoring system determines a cepstrum of the parameter data with respect to the angular position data, and determines a ratio of a first amplitude of the cepstrum at a quefrency of about zero to a second amplitude of the cepstrum at a non-zero quefrency. The determined ratio is indicative of a health of a component of the pump assembly.
US10801486B2 Fluid pump comprising a conical body precessed about its apex by a driver connected by a drive shaft to a boss eccentrically carried by a drive plate such that a rotating pump chamber is formed by a flexible membrane attached to the conical body
A fluid pump comprising a conical body having an apex, a base and defining a lateral surface between the apex and base; a mating surface defined by a pump plate; a flexible membrane having a first face comprising a first part which is attached to at least a portion of the lateral surface of the conical body and a second part which is free, and having a second, opposite face secured around its periphery to the mating surface; and a driver adapted to drive the conical body; wherein the mating surface includes a fluid inlet port and a fluid outlet port, the fluid inlet port being spaced from the fluid outlet port; the driver includes a drive shaft and a drive plate carried by the distal end of the drive shaft, wherein the drive plate is inclined with respect to a plane normal to a longitudinal axis of the drive shaft such that the drive plate drives the conical body to precess about its apex in use such that at any given time the flexible membrane defines a contact portion in contact with the mating surface where the lateral surface of the conical body is adjacent to the mating surface, and defines a non-contact portion which is spaced from the mating surface; a pump chamber is defined by a cavity formed between the non-contact portion of the flexible membrane and the mating surface; the pump chamber rotates about an axis of the mating surface as the conical body precesses about its apex; and fluid is drawn into the pump chamber as it passes the fluid inlet port and the fluid is urged out of the pump chamber as it passes the fluid outlet port.
US10801485B2 Gas transportation device
A gas transportation device includes a casing, a nozzle plate, a chamber frame, an actuator, an insulating frame and a conducting frame, which are stacked sequentially. The nozzle plate includes at least one bracket, a suspension plate and a through hole. The bracket includes a fixing part and a connecting part. A shape of the fixing part matches a shape of the fixing recess. The nozzle plate is accommodated within the accommodation space. A resonance chamber is defined by the actuator, the chamber frame and the suspension plate collaboratively. When the actuator is enabled, the nozzle plate is subjected to resonance and the suspension plate of the nozzle plate vibrates in the reciprocating manner. Consequently, the gas is transported to a gas-guiding chamber through the at least one vacant space and outputted from the discharging opening, thereby achieving the gas transportation and circulation.
US10801481B2 Air bag assembly with pumping function
An air bag assembly includes an air bag having a first hole, a suction pump, a rotary cover and a first check valve. A pump body of the suction pump is deformable and provided with a second air hole. The rotary cover includes an air outlet communicating with the second air hole. A convex part and a concave part of the rotary cover are configured to engage with a concave portion and a convex portion of the pump body, respectively. The first check valve allows air to enter into the interior of the pump body from the interior of the air bag through the first air hole. The air bag can be pumped by rotating the rotary cover. The air bag assembly has advantages of simple operation, small volume and low requirement on operating space, and capable of being assembled on other objects, which is convenient to use and carry.
US10801477B2 Actuator element including fat and oil or water repellent
A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.
US10801473B2 Hub crane assembly for a wind turbine
The present disclosure is directed to a hub crane assembly for a wind turbine. The hub crane assembly includes an adjustable articulating arm mountable at a first height on a hub of the wind turbine at a hinge point, a first hoist mountable at a second height of the wind turbine, the second height being greater than the first height, and a support component secured to the first hoist and a first attachment point of the articulating arm. Further, the first hoist is configured to rotate the articulating arm about the hinge point via the support component such that, as the articulating arm rotates, a clearance distance between the wind turbine and the articulating arm changes.
US10801472B2 Method for controlling a power value of an offshore wind energy system
A method of controlling a power value of an offshore wind energy system in which a power set point is provided. The power set point is a power factor set point and/or a reactive power set point. At least one instantaneous reactive power state factor of the offshore wind energy system is provided, and an active power correction value is determined as a function of the provided power set point and the provided instantaneous reactive power state factor. The active power of the offshore wind energy system is controlled as a function of the determined active power correction value in such a way that the provided power set point is at least complied with.
US10801470B2 Apparatus and method for controlling wind power generator unit
An apparatus for controlling a wind power generator unit includes a deviation detection unit to detect an angular deviation between windward and a current rotation direction of a nacelle after a wind power generator is installed so as to face the windward, and a control unit to receive data detected by the deviation detection unit and to control a brake state and a yawing state of a yaw brake unit, wherein when the nacelle rotates out of a preset deviation range, the control unit temporarily releases frictional force of a brake pad coming into close contact with a disk so as to control a brake operation state of the yaw brake unit.
US10801468B2 Pitch bearing, blade, impeller of wind turbine and connecting method for wind turbine
The invention relates to a pitch bearing, a blade, an impeller of a wind turbine and to a connecting method for the wind turbine. There is provided a pitch bearing of a wind turbine comprising: an inner bearing ring, an outer bearing ring and an extension portion, wherein one of the inner bearing ring and the outer bearing ring is connected to the extension portion. With the pitch bearing, blade, impeller of the wind turbine and the connecting method for the wind turbine according to the disclosure, it is possible to connect the blade to the pitch bearing without bolts, allow a lower weight for the wind turbine, increase strength and fatigue life of the wind turbine, and allow a lower manufacturing cost and difficulty for the wind turbine.
US10801467B2 Method for controlling torque equilibrium of a hydraulic motor
A method for controlling torque equilibrium of a hydraulic motor, the method includes: setting a torque equilibrium reference position in a control system, setting a reference direction in the control system, determining one or more high-pressure torque producing cylinders towards the torque equilibrium reference position in a reference direction in the control system, and opening a high-pressure valve on each of one or more high-pressure torque producing cylinders to produce a torque towards the torque equilibrium reference position in the reference direction on the drive shaft of the motor.
US10801466B1 Integrated system for optimal continuous extraction of head-driven tidal energy with minimal or no adverse environmental effects
A closed system that captures energy derived from the head differential rather than open-water flows velocities while reducing potential environmental damages and costly maintenance due to bio-fouling. The continuously derived energy system utilizes an offshore bladder in communication with both a primary onshore bladder and a supplemental onshore bladder. Tidal energy is captured by turbines as fluid is transferred between the bladders. In addition, the system continuously extracts energy by diverting fluid to and from the supplemental onshore bladder during periods of near-high-ride and near-low-tide, during which the pressure differential between the offshore bladder and the primary onshore bladder becomes inefficient for energy production.
US10801464B2 Microwave enhanced combustion with dynamic frequency, power, and timing control and with transmission coefficient for power feedback
A system and method for generating microwaves for microwave enhanced combustion (MEC) input to an MEC antenna of an internal combustion engine. The system uses a microwave generator and a directional coupler, which delivers the MEC input signal to the MEC antenna and receives a reflected signal from the MEC antenna. A feedback path determines a desired frequency for the MEC input signal, based on the reflected signal, and also determines a power feedback correction value. An open loop path determines desired power and timing for the MEC input signal, based on various engine conditions. The desired power is corrected with the power feedback correction value.
US10801462B2 Fuel composition and aging estimation
Methods and systems are provided for estimating ethanol content in fuel, water content in fuel, and an age of the fuel in a vehicle engine. In one example, a method may include estimating fuel ethanol content, water content, or fuel age based on a resonant frequency (f) of pressure pulsations, a change in fuel rail pressure (δp), and a damping coefficient (α) of pressure pulsations in the fuel rail as estimated after a fuel injection or a pump stroke. One or more engine operating parameters may be adjusted based on the estimated fuel ethanol content, water content, and fuel age.
US10801461B2 Ignition apparatus
An ignition apparatus performs energy input control in which energy is continuously inputted to an ignition coil to enable a spark discharge in a predetermined energy input period after interrupting a primary current by an ignition switch and generating a discharge of a spark plug by a secondary current. A combustion state determination circuit determines a combustion state by comparing a combustion pressure P detected by a combustion state detector. When the combustion pressure P is smaller than a second threshold Pth2, and there is room for improving the combustion state with respect to the present energy input condition, the energy input period IGW is increased or a target secondary current I2* is increased. By compensating the condition of the energy input control in accordance with the combustion state, a target combustion state can be achieved with just enough energy consumption.
US10801457B1 Fuel rail assembly providing connection to a fuel injector
A fuel rail assembly includes a fuel rail having a main conduit with a main fuel passage and a distribution conduit extending away from the main conduit and having a distribution passage extending therethrough which is in fluid communication with the main fuel passage, the distribution conduit having a distribution conduit primary threaded section, a distribution conduit secondary threaded section, and a distribution conduit sealing surface located axially between the distribution conduit primary threaded section and the distribution conduit secondary threaded section. A primary sealing nut threadably engages the distribution conduit secondary threaded section and a secondary sealing nut threadably engages the distribution conduit secondary threaded section. A sealing ring is located within a counterbore of the primary sealing nut or the secondary sealing nut such that the sealing ring circumferentially and sealingly surrounds the distribution conduit sealing surface and a sealing engages a sealing surface of the counterbore.
US10801455B2 Fuel injection nozzle
A high-pressure fuel injection system includes a nozzle housing and a nozzle needle that is axially displaceable in the nozzle housing and with which an outflow opening in a valve seat of the fuel injection nozzle can be closed and opened. At least one pulsation reducer is arranged between the nozzle needle and an inside of the nozzle housing. The pulsation reducer includes a plurality of breakwater elements that dampen pressure pulsations in the fuel flowing through the injection nozzle to the outflow opening.
US10801453B2 High-pressure fuel pump
Various embodiments include a high-pressure port for a fuel pump comprising: a body defining an internal volume; an outlet valve with an element opening in a first direction; a pressure-limiting valve with an element opening in an opposite second direction; a common valve plate including a sealing seat for both valve elements; and a sleeve guiding the outlet valve element during movement, fastened in the body with an axial stop limiting movement of the outlet valve element and a radial guide guiding the outlet valve element during movement. The guiding sleeve comprises a harder material than the body.
US10801450B2 Intake system assembly and method for manufacturing the assembly
An intake system assembly including an intake manifold including a housing defining an interior conduit in fluidic communication with an intake valve and a lattice structure extending from an outer surface of the housing. The lattice structure includes a plurality of intersecting walls and the lattice structure and the housing form a continuous piece of material.
US10801448B2 Integral intake manifold
An engine component includes an intake manifold of stratified layers defining a plurality of runners each having a gas outlet leading to a cylinder head, and a plenum including partial walls forming channels radiating from a common gas inlet extending into a gooseneck conduit having an incorporated throttle body. The gooseneck conduit transitions into the channels and runners such that there is no seal between the gooseneck, plenum, and runners.
US10801444B2 Carburetor and handheld work apparatus including a combustion engine having said carburetor
A carburetor has a carburetor housing wherein an intake channel section is arranged. A fuel opening opens into the intake channel section. The carburetor has a fuel pump with a pump membrane delimiting a pump chamber connected to a fuel inlet. A pressure controller has a control membrane separating a control chamber from a compensation chamber. The control chamber is connected to a fuel outlet leading out from the carburetor. The compensation chamber is connected to a compensation connection. The carburetor housing has a carburetor body, a pump cover and an intermediate part arranged therebetween. The fuel inlet, the fuel outlet and the compensation connection are formed on the intermediate part. The fuel inlet, the fuel outlet and the compensation connection are arranged on the side of the carburetor that faces away from the combustion engine.
US10801433B2 Systems and methods for determining irregular fuel requests during engine idle conditions
Methods for determining an irregular fuel request (IFR) for vehicle engines coupled to driveshafts via clutched transmissions are provided and include: determining an idle condition of the engine, generating one or more fuel requests during the idle condition, and determining an IFR based on a clutch control parameter and a fuel request generated during the idle condition. The idle condition of the engine is determined based on a vehicle speed and an engine speed if the vehicle speed and engine speed are below respective thresholds. An IFR is determined if a fuel request falls outside a range, and/or if the clutch control parameter is such that the clutch does not substantially impart load to the engine. The idle fuel request range is determined based on a combustion mode of the engine and/or a gear state of the transmission. The method further includes implementing a control action after determining an IFR.
US10801425B2 System and method for engine control
A method includes reducing automatically a speed of an engine from a first speed value to a second speed value in response to both the first speed value being at or above a first speed threshold value and a rate of change of one or both of (i) engine power and (ii) the engine speed is substantially zero for a designated period.
US10801423B2 Supercharging device for engine
A supercharging device for an engine is provided, which includes a supercharger provided to an intake passage of the engine, an actuator configured to drive the supercharger, and a controller including a processor configured to control the actuator to drive the supercharger when an operating state of the engine is in a given supercharging range, and to stop the supercharger when the operating state is in a non-supercharging range. The controller causes the actuator to forcibly drive the supercharger in the non-supercharging range when a temperature of the supercharger is lower than a preset temperature, and prohibits the forcible drive of the supercharger when a rotation speed of the supercharger during the forcible drive of the supercharger is lower than a preset rotation speed.
US10801422B2 Adsorbent circulation for onboard octane on-demand and cetane on-demand
A vehicular propulsion system, a vehicular fuel system and a method of operating an internal combustion engine. A separation unit that makes up a part of the fuel system may selectively receive and separate at least a portion of onboard fuel and a flowable adsorbent in order to separate the fuel into octane-enhanced and cetane-enhanced fuel components. A controller may be used to determine a particular operating condition of the internal combustion engine such that the onboard fuel can be sent to one or more combustion chambers within the internal combustion engine without first passing through the separation unit during one operating condition, or instead to the separation unit in situations where the internal combustion engine may require an octane-rich or cetane-rich mixture in another operating condition.
US10801418B2 Method and system for variable displacement engine diagnostics
Methods and systems are provided for diagnosing a cylinder valve deactivation mechanism in an engine system having cam-actuated valves. Movement of a latch pin of the deactivation mechanism is inferred from an induction current generated by a solenoid coupled to the latch pin, and the inferred movement is used to diagnose operation of cylinder valve deactivation mechanism. The inferred movement and a profile of the induction current is also used to estimate camshaft and crankshaft timing for improved cylinder fuel delivery in the absence of a camshaft sensor.
US10801407B2 Core assembly for gas turbine engine
A core assembly includes a core that includes an exterior surface that has a recessed area that extends along the exterior surface. An insert includes a contact surface that corresponds to the recessed area.
US10801404B2 Variable pressure turbine
Systems and methods relating to variable pressure turbines are disclosed. A power generation system may include a closed cycle system configured to generate power, a combustor, and a control system. The closed cycle system may include a working fluid circulating in a closed cycle path. The combustor may provide thermal energy to the working fluid. Further, the control system may be configured to determine to increase an amount of power generated by the closed cycle system, and in response to the determination to increase the amount of power generated by the closed cycle system, cause an increase in pressure of the working fluid in the closed cycle path.
US10801403B2 Internal combustion engine
The present embodiment relates to an internal combustion engine having an anodic oxide coating formed on at least a portion of an aluminum-based wall surface facing a combustion chamber. The anodic oxide coating has a plurality of nanopores extending substantially in the thickness direction of the anodic oxide coating, a first micropore extending from the surface toward the inside of the anodic oxide coating, and a second micropore present in the inside of the anodic oxide coating; the surface opening diameter of the nanopores is 0 nm or larger and smaller than 30 nm; the inside diameter of the nanopores is larger than the surface opening diameter; the film thickness of the anodic oxide coating is 15 μm or larger and 130 μm or smaller; and the porosity of the anodic oxide coating is 23% or more.
US10801402B2 Connecting rod for an internal combustion engine with variable compression
A connecting rod for a variable compression internal combustion engine, the connecting rod comprising: at least one hydraulic chamber configured in a connecting rod body, wherein the at least one hydraulic chamber is connectable by a check valve with a bearing shell of the connecting rod or with a tank, wherein the check valve includes a closure element and a valve seat, wherein the closure element contacts the valve seat in a blocking position of the closure element and blocks a fluid path, and wherein the closure element is arranged in a bore hole of the connecting rod body and the valve seat is introduced into the connecting rod body.
US10801400B2 Method and device for water injection
A method and device for water injection, wherein a water injector (104) is activated in accordance with an activation (200) to open at a first time (t1) and to close at a second time (t2), wherein a water pressure profile (300) is measured and a change in the water pressure profile (400) is determined on the basis of the water pressure profile (300), wherein, depending on the water pressure profile (300) and on the change in the water pressure profile (400), it is determined whether the water injector (104) has been opened as a result of the activation (200), and/or wherein, depending on the water pressure profile (300) and on the change in the water pressure profile (400), it is determined whether the water injection (104) has been closed as a result of the activation (200).
US10801399B2 Supercharging system for aircraft reciprocating engine, aircraft reciprocating engine, and aircraft
There is provided a supercharging system for an aircraft reciprocating engine, comprising: a plurality of compressors for supplying compressed air to the aircraft reciprocating engine; at least one turbine for obtaining rotational power for at least one of the plurality of compressors, and a plurality of motors for respectively providing rotational power to the plurality of compressors. An object of the present invention is to reduce turbo lag in a reciprocating engine for an aircraft in which multiple-stage supercharging is performed by the turbocharger.
US10801398B2 Turbocharger
A turbocharger includes a turbine housing formed with openings of twin scrolls such that the openings are arranged to be adjacent to each other in an axial direction of a turbine. A fixed sleeve is fixedly disposed within the turbine housing such that an inner surface of the fixed sleeve defines a basic passage as a passage for exhaust gas emerging from the turbine while defining a bypass passage outside the basic passage as a passage for exhaust gas bypassing the turbine. A sliding ring can slide in the axial direction of the turbine between the fixed sleeve and the turbine housing, to control a state in which exhaust gas passing through the twin scrolls is supplied to the turbine and a state in which the exhaust gas passing through the twin scrolls is discharged into the bypass passage while bypassing the turbine.
US10801397B2 Connecting arrangement for turbocharger actuator
Methods and systems are provided for an actuator connected to a turbocharger via a connecting arrangement. In one example, a system may include a connection arrangement which yields above a threshold force. The yielding of the connection arrangement may allow the movement of the actuator in a predetermined direction.
US10801396B2 Mixture-lubricated four-stroke engine
A mixture-lubricated four-stroke engine has a cylinder and a piston. On the piston, at least one piston ring is arranged. Between valve drive chamber and crankcase interior, at least one first channel is arranged. The first opening of the first channel lies in the bottom dead center position of the piston below each piston ring. At the first opening, the first channel defines a first middle flow direction for mixture flowing into the crankcase interior. The first middle flow direction extends inclined towards the combustion chamber and in a viewing direction perpendicular to the cylinder longitudinal plane intersects the longitudinal center axis above the first opening of the first channel.
US10801390B2 Vehicle exhaust system
A vehicle exhaust system includes a vehicle body structure, an exhaust system, a rear bumper assembly, an exhaust finisher and a boot. The exhaust assembly is supported to an underside of the vehicle body structure. The rear bumper assembly is also supported to the vehicle body structure. The exhaust finisher is non-movably attached to one of the vehicle body structure and the rear bumper assembly. The exhaust finisher extends at least part way through an opening of the rear bumper assembly. The boot has a first end, a second end, and a flexible portion. The first end is attached to a rear end of the exhaust assembly. The second end is attached to a forward end of the exhaust finisher and the flexible portion extends from the trout end to the second end. The flexible portion is elastically deformable in response to thermal expansion and contraction of the exhaust assembly.
US10801383B1 System and method for controlling an engine
A system includes an engine having multiple cylinders and an exhaust manifold. A fuel delivery device and an igniter are disposed in the exhaust manifold. The fuel delivery device injects a fuel into the exhaust manifold. The system also includes an exhaust aftertreatment setup in fluid communication with the exhaust manifold, and a controller in communication with the multiple cylinders, the fuel delivery device and the igniter. The controller is configured to deactivate at least one cylinder to provide air to the exhaust manifold, and control the fuel delivery device to provide the fuel within the exhaust manifold such that the fuel and the air from the at least one deactivated cylinder forms a mixture within the exhaust manifold. The controller is configured to control the igniter to ignite the mixture to generate combustion products within the exhaust manifold for heating the exhaust aftertreatment setup.
US10801382B2 Exhaust gas-purifying catalyst
An exhaust gas-purifying catalyst of the present invention comprising a substrate, a first catalyst layer comprising a first supported catalyst, a second supported catalyst, palladium, and a first nitrogen oxide storage material, and a second catalyst layer comprising a third supported catalyst having an alloying rate of platinum and palladium of 40% or more and a second nitrogen oxide storage material, wherein a mass of the second supported catalyst is greater than a mass of the first supported catalyst and greater than a mass of the third supported catalyst.
US10801380B1 Durable high performance water-cooled exhaust systems and components and methods of manufacture
An exhaust component for an engine exhaust system includes a conduit for carrying exhaust gases, an outer wall, a fluid inlet, a fluid outlet, and a pattern of internal support structures. The conduit, outer wall, and internal support structures are formed from an additive material using an additive manufacturing process. A water cavity is defined between the conduit and the outer wall. The fluid inlet and outlet are in fluid communication with the water cavity. The pattern of internal support structures are integral with the conduit and with the outer wall, are disposed in the water cavity, and are arranged such that fluid flows from the fluid inlet through, between, or around the internal support structures to the fluid outlet. The fluid and its flow through the water cavity is adapted to absorb heat from hot exhaust gases flowing through the conduit during operation of the engine exhaust system.
US10801378B2 Engine device
An engine including: an exhaust manifold provided near one side surface of an engine; a turbocharger having an exhaust-side inlet connected to the exhaust manifold; and a rocker-arm-chamber-integrated intake manifold disposed on a cylinder head and integrally including a rocker arm chamber and an intake manifold. The intake manifold has a wall dividing the rocker arm chamber provided near one side surface of the engine and the intake manifold provided near another side surface thereof to isolate the rocker arm chamber and the intake manifold from each other. The rocker arm chamber has, in its upper portion, a positive crankcase ventilation device protruding therefrom and returning blowby gas to an intake system. The positive crankcase ventilation device has a blowby-gas discharge port connected with a gas conduit through which blowby gas is delivered to an intake-side inlet of the turbocharger.
US10801376B2 Valve train device
A valve train device, particularly for an internal combustion engine, includes a camshaft, a cam element able to be displaced axially on the camshaft, and a mechanical displacement element which is provided on the camshaft for the purpose of axially displacing the cam element. The mechanical displacement element is provided to move the cam element by interaction with only a single contour of the cam element in a first and a second axial direction.
US10801374B2 Valve timing adjustment device
A spiral spring (5) has an inner circumferential end (5a) fixed to a rotor (3) and an outer circumferential end (5b) fixed to a plate (8) of a housing (2), and biases the rotor (3) in one direction with respect to the housing (2). A projection (13) protrudes from the plate (8), and stops radially outward expansion of an outermost winding (5c) of the spiral spring (5). A clip (6) has a first portion (6a) coming in contact with the outermost winding (5c) of the spiral spring (5), and is attached to the projection (13) by elastic force of the clip (6).
US10801364B1 Gas turbine engine airfoil frequency design
An airfoil has pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 3.26-3.56 inch (82.9-90.5 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span and is in a range of 1.25-1.55 inch (31.8-39.4 mm). The airfoil element includes at least two of a first mode with a frequency of 323±10% Hz, a second mode with a frequency of 476±10% Hz, a third mode with a frequency of 1005±10% Hz, a fourth mode with a frequency of 2670±10% Hz, a fifth mode with a frequency of 3255±10% Hz and a sixth mode with a frequency of 7628±10% Hz.
US10801362B2 Self centering unison ring
Centralizer apparatuses attached around a unison ring include rub buttons at inner ends of stud attached to and spaced apart from the unison ring and include rolling bearings. Each rolling bearing rotatably trapped within bearing chamber in bearing receptacle at inner end of stud.Tip cap includes bearing aperture trapping rolling bearing within bearing chamber. Rolling bearing extends partially through bearing aperture. Rolling bearing may be spring loaded within chamber by spring between the bearing receptacle and the rolling bearing. Stud may extend through and may be threaded into mounting aperture in unison ring and nut may be threaded onto outer end of stud. Variable stator vanes rotatably mounted to a casing and connected to vane crank arms connected to the unison ring mounted exterior to casing.
US10801353B2 Divot pattern for thermal barrier coating
A component for a gas turbine engine includes a surface adjacent a flow of hot gases. A plurality of cavities is in a portion of the surface. The plurality of cavities have a first group of cavities with a first cross-section and a second group of cavities with a second cross-section different from the first cross-section. The first and second groups of cavities are arranged such that there is no straight line across the portion of the surface that does not intersect one of the plurality of cavities. A thermal barrier coating is over the surface and fills each of the plurality of cavities.
US10801352B2 Abradable lip for a gas turbine
The invention concerns a turbine for a gas turbine comprising a blade, a vane and an abradable lip attached to the blade or to the vane, wherein the blade and the vane are separated by a gap and the abradable lip extends part of the distance across the gap. Embodiments include the addition of an abrasive layer attached on the other side of the gap from the abradable lip. A method of manufacturing is also described.
US10801351B2 Seal assembly for gas turbine engine
A seal assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a seal that has a sealing portion that extends from an engagement portion. The sealing portion has a seal face that extends circumferentially between first and second mate faces. The engagement portion defines an internal cavity that extends circumferentially between the first and second mate faces, and the engagement portion has an impingement face opposite the seal face that defines an elongated opening to the internal cavity. A method of sealing is also disclosed.
US10801348B2 Non-contacting dynamic seal
Non-contacting dynamic seals having wave springs are disclosed herein. A non-contacting dynamic seal may have a shoe coupled to an outer ring by an inner beam and an outer beam. A wave spring may be located between the inner beam and the outer beam, between the shoe and the inner beam, or between the outer beam and the outer ring. The wave spring may damp vibrations in the inner beam and the outer beam.
US10801347B2 Sealing assembly and gas turbine including the same
A sealing assembly for a gas turbine includes a plurality of sealing housings interposed between adjacent turbine disks of a multistage turbine, each sealing housing coupled to a turbine vane of a corresponding stage; and a sealing plate unit installed between adjacent sealing housings to seal a gap between the adjacent sealing housings. Each sealing housing includes a horizontal housing segment and a pair of vertical housing segments each having a lower end connected to horizontal housing segment. The sealing plate unit includes a horizontal plate installed in the horizontal housing segment, and a pair of vertical plates respectively installed in the pair of vertical housing segments. The horizontal housing segment includes a horizontal slot facing an adjacent sealing housing to receive the horizontal plate, and each vertical housing segment includes a vertical slot facing an adjacent sealing housing to receive a corresponding vertical plate.
US10801343B2 Self retaining face seal design for by-pass stator vanes
A vane assembly adapted to be disposed through an annular gas flow path defined between a fan case and an engine core of a gas turbine engine. The assembly comprises a vane having a vane body configured for extending between the engine core and the fan case, a vane head disposed at one end of the vane body, the vane head being adapted to be disposed outside the annular gas flow path, the vane head having an abutting surface configured for contacting an outer surface of the fan case, and a recess extending within the vane head and opening to the abutting surface. The recess is configured for circumferentially surrounding a longitudinal axis of the vane and forming a closed figure. The assembly also comprises a sealing member disposed within the recess.
US10801341B2 Cooling features for a gas turbine engine transition duct
A gas engine turbine has a transition duct (100) that has improved cooling features and a method for forming the cooling features. A continuous exit section cooling channel (130) is formed through the transition duct panel (112), the exit frame (114) and the connection (116). The continuous exit section cooling channel (130) reduces the need for effusion channels in the transition duct. The continuous exit section cooling channel (130) further reduces costs and improves the emissions associated with the transition duct (100) of the gas engine turbine.
US10801338B1 Apparatus and process of forming an integrally bladed rotor with cooled single crystal blades and an equiax nickel disk
An air cooled integrally bladed rotor with single crystals turbine rotor blades having cooling air passages formed into an equiax rotor disk, where a mold having expendable Molybdenum tooling and reusable molybdenum tooling is used to form the IBR. An annular blade ring with openings is used to secure the single crystal rotor blades within the mold, and a number of tube tools are inserted into a bottom end of each blade that forms a cooling air supply passage within the rotor disk. Two molybdenum circular shaped hubs are used to secure a bottom end of the tube tools with the mold. The mold is filled with metal powder and high pressure is used to solidify the powder to form the IBR. Expendable tooling is removed using sublimation when exposed to oxygen. Reusable tooling is reused to form additional IBRs.
US10801336B1 Gas turbine engine airfoil frequency design
An airfoil has pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 0.70-0.83 inch (17.8-21.1 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span is in a range of 0.34-0.45 inch (8.5-11.5 mm). The airfoil element includes at least three of a first mode with a frequency of 3748±15% Hz, a second mode with a frequency of 6416±15% Hz, a third mode with a frequency of 14418±15% Hz, a fourth mode with a frequency of 17417±15% Hz, a fifth mode with a frequency of 19326±15% Hz and a sixth mode with a frequency of 26648±15% Hz.
US10801334B2 Cooling arrangement with purge partition
An airfoil includes an airfoil section that extends in a radial direction from a platform to a tip, and extends in a thickness direction between a pressure side and a suction side that meet together at both a leading edge and a trailing edge. A purge partition radially divides the airfoil section. A perimeter of the purge partition follows along external walls of the airfoil section. The tip defines a tip pocket that extends radially inwardly from the tip to a floor. The airfoil section includes at least one internal cooling circuit and a purge cavity opposed to the at least one internal cooling circuit along the purge partition, with the purge partition bounded by the floor. The purge partition defines a first set of apertures that fluidly couple the at least one internal cooling circuit and the purge partition. A method of cooling a gas turbine engine component is also disclosed.
US10801333B2 Airfoils, cores, and methods of manufacture for forming airfoils having fluidly connected platform cooling circuits
Methods for manufacturing airfoils of gas turbine engines are provided. The methods include forming a main body core, the main body core including a feed cavity core portion, the main body core configured to form at least a part of an airfoil including an airfoil body, a platform, and an attachment element, forming a platform circuit core having a platform core extension, wherein the platform circuit core is configured to form a cooling circuit in the platform, wherein at least one of the feed cavity core portion and the platform core extension includes a notch, assembling the platform circuit core to the main body core such that the platform core extension engages with the feed cavity core portion at the notch, casting an airfoil using the assembled platform circuit core and main body core, and removing a platform core extension element that is formed at the location of the notch.
US10801332B2 Core for casting turbine blade, method of manufacturing the core, and turbine blade manufactured using the core
A core for casting a turbine blade to form at least one cooling passage in a wing portion of the turbine blade, wherein the wing portion includes a leading edge region and a trailing edge region, and has a streamlined cross-section, the core including: at least one of a first core unit having a shape corresponding to a cooling passage located at the leading edge region and a second core unit spaced apart from the first core unit and having a shape corresponding to a cooling passage located at the trailing edge region, wherein each of the first core unit and the second core unit includes: a plurality of extending portions extending in a longitudinal direction and located substantially parallel to one another; at least one curved portion connecting adjacent ends of the plurality of extending portions; and at least one through-portion located between the plurality of extending portions and having an empty space extending in a width direction of the wing portion.
US10801325B2 Turbine blade with tip vortex control and tip shelf
A blade for a gas turbine engine includes an airfoil which includes pressure and suction side surfaces joined at leading and trailing edges to provide an exterior airfoil surface. The airfoil extends from a 0% span position to a 100% span position at a tip. A mean chamber line is provided at the tip and extends from the leading edge to the trailing edge. The mean chamber line has a leading edge tangent line at the leading edge at the tip and a trailing edge tangent line at the trailing edge at the tip. The leading edge tangent line and the trailing edge tangent line intersect to provide a total camber angle in a range of −35° to 35°. The pressure side includes a tip shelf.
US10801324B2 Double-working-medium expander used for two-stage organic Rankine cycle
Single expander device working with two working media in a two-stage organic Rankine cycle, which has a cylinder body, a rotor disposed inside the cylinder body and provided with a number of slip sheets in a radial direction of the cylinder body, and a rotary shaft fixedly connected to the center of the rotor, with the outer profile of the cylinder body defined by two mathematical equations.
US10801323B2 Mine stopping and components thereof
A mine stopping and associated components and methods. The stopping can include one or more columns or other vertical supports and a plurality of elongate panels extending horizontally.
US10801315B2 Degradable isolation devices with data recorders
The disclosed embodiments include methods to obtain measurements of a wellbore and data logging devices. In one embodiment, the method includes measuring, by a sensor of a wellbore isolation device, at least one condition of the wellbore proximate to the sensor. The wellbore isolation device has a dissolvable portion, and the sensor is releasable from the wellbore isolation device upon dissolution of the dissolvable portion. The method also includes storing measurements of the at least one condition of the wellbore in a machine-readable medium. The method further includes providing the stored measurements of the sensor to a controller following dissolution of the dissolvable portion.
US10801308B2 Wellbore gun perforating system and method
A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with multiple perforating guns attached to plural switch subs. The perforating guns are pre-wired with a cable having multi conductors; the multi conductors are connected to electrical ring contacts on either end of the perforating guns. The switch subs are configured with electrical contacts that are attached to the electrical contacts of the perforating guns without the need for manual electrical connections and assembly in the field of operations. The system further includes detonating with a detonator that is positioned upstream of the perforating gun. The detonator is wired to a switch that is positioned downstream of the perforating gun.
US10801303B2 Well fluid flow control choke
A choke can include a variable flow restrictor, external ports in communication with a flow passage respectively upstream and downstream of the flow restrictor, and sensor(s) in communication with the external ports. A method can include flowing a well fluid through a flow passage in a body of a choke including a variable flow restrictor, measuring a pressure differential between external ports in communication with respective upstream and downstream sides of the flow restrictor, and operating the flow restrictor, thereby varying a restriction to the flow through the flow passage, in response to the measured pressure differential. A well system can include a well fluid pump, a flow choke including a variable flow restrictor operable by an actuator that includes a displaceable stem and a stem seal that isolates the actuator from the well fluid in the flow choke, and a control system that operates the actuator.
US10801302B2 Inner start-up tool of conduit bearing capacity reinforcing device
The present invention provides an inner start-up tool of a conduit bearing capacity reinforcing device and a using method thereof, the inner start-up tool comprising: an outer cylinder in which a pressure bearing disc is axially movably provided, a lower end of the pressure bearing disc being elastically connected with a balance block, and a first ring block and a second ring block being movably diametrically disposed through a lower cylinder walls of the outer cylinder; a first link mechanism having a first vertical rod and a first horizontal rod rotatably connected to the first vertical rod, the first vertical rod being rotatably connected to the balance block, the first horizontal rod being rotatably connected to the first ring block; a second link mechanism having a second vertical rod and a second horizontal rod rotatably connected to the second vertical rod, the second vertical rod being rotatably connected to the balance block, the second horizontal rod being rotatably connected to the second ring block. The inner start-up tool of the conduit bearing capacity reinforcing device and the using method thereof according to the present invention can be used for efficiently operating the conduit bearing capacity reinforcing device, is simple in structure and convenient in use.
US10801298B2 Downhole tool with tethered ball
A downhole tool having a mandrel, a first slip, a second slip, a lower sleeve, and a tethered ball assembly. The mandrel includes a proximate end; a distal end; a bore having a ball seat associated therewith; and an outer surface. The first slip is disposed around the mandrel. The second slip is disposed around the mandrel. The lower sleeve is proximate to the first slip, and engaged with the outer surface at the distal end. The tethered ball assembly includes a ball; a drag; and at least one tether coupled between the ball and the drag.
US10801297B1 Swivel device for rotating a bowl
The swivel device attaches to a bowl or is implemented as a component of the bowl. The swivel device enables adjustment of the bowl to align the outlet with the flowline. A flange of the swivel device includes multiple fastener apertures for securing the flange to the stack. The swivel device secures the bowl to the stack while allowing rotation of the bowl. Rotation of the bowl adjusts the positioning of the outlet to align the outlet with the flowline for connecting the outlet to the flowline.
US10801296B1 Tall flange rubber adapter
The tall flange rubber adapter attaches to the inner barrel of a rotating head assembly. A rubber attaches to the tall flange rubber adapter. The rubber secured to the rubber adapter also rotates with the inner barrel thus maintaining the seal with the drill string to divert the drilling fluid from the well to the outlet flange. Fasteners install upward into the adapter and the inner barrel to secure the rubber adapter with the inner barrel. The increased height of the rubber adapter provides additional surface for the fastener to contact. The increased contact of the fastener with the tall flange maintains the fastener within the rubber adapter and the inner barrel to limit fasteners from falling downhole into the drilling area.
US10801291B2 Tubing hanger system, and method of tensioning production tubing in a wellbore
A tubing hanger system for suspending a tubing string within a wellbore is provided. The system is designed to place the tubing string in tension. The tubing hanger system comprises a tubing hanger and a tubing anchor. Both the tubing hanger and the tubing anchor are designed to reside in series with the production tubing. The tubing hanger is threadedly connected to the tubing string at the top of the wellbore. The tubing anchor is also threadedly connected to the tubing string but is configured to be set within a string of casing downhole. Beneficially, the tubing hanger and the tubing anchor is each uniquely configured to be set through a rotation of the tubing string that is less than one full rotation. This enables use of a stainless steel chemical injection line extending from the tubing hanger to the tubing anchor. A method for hanging a string of production tubing in a wellbore, in tension, is also provided herein.
US10801288B2 Valve assembly and control method for extraction wells under emergency conditions
A safety valve assembly for extradition of hydrocarbons includes a valve body including a passage duct, configured to be traversed by a production and/or drilling line. The valve body includes housings for a punch and counter-punch, arranged diametrically opposite to one another with a common longitudinal axis substantially perpendicular to the longitudinal axis of the valve. The punch slides linearly in a controlled manner in the housing along the axis which intersects the longitudinal axis of the pipe, and the counter-punch slides linearly in a controlled manner in the housing along the axis which intersects the longitudinal axis of the pipe. The punch and counter-punch are configured to allow the counter-punch to slidingly receive the punch in its interior to create two different shearing planes. The counter-punch includes a hollow part to slidingly receive the section of tubular material and the punch, in the linear movement during the shearing operation.
US10801285B2 Retrievable self-energizing top anchor tool
A retrievable self-energizing top anchor tool with a central energizing mandrel disposed around a central tool bore and a set of anchor segments distributed around a circumference of the central energizing mandrel, each having one or more wedge surfaces facing toward the central tool bore and corresponding to and engaging inclined surfaces of the central energizing mandrel. The tool is releasable by relative upward movement of a release sub against a release sub stop arranged within the central tool bore. A release mechanism houses one or more pre-loaded release spring members locked with a release locking mechanism. When unlocked the release spring members exert a retracting bias force on the central energizing mandrel in downward direction along the longitudinal axis relative to the set of anchor segments. This downward movement of the central energizing mandrel causes a radially inward movement of the set of anchor segments.
US10801281B2 Method and apparatus for autonomous injectable liquid dispensing
A method for injecting a controlled volume of liquid into a system having at least one liquid injection point includes inputting into a controller pressure measurements made at at least one position from a liquid storage device and the at least one injection point. The controller automatically causes a liquid injector to inject the liquid for a time duration corresponding to a predetermined liquid volume. The time duration is adjusted in relation to the measurements of pressure.
US10801280B2 Integrated tubular handling system and method
A tubular handling system and method, of which the system includes a power tong configured to engage and rotate an add-on tubular by applying a torque thereto, the power tong defining a central opening configured to receive the add-on tubular therethrough, a spider disposed at a rig floor, the spider being configured to support a tubular string, a lifting assembly coupled with the power tong and configured to move the power tong vertically with respect to the tubular string and the spider, and a control line guide coupled to the power tong. The control line guide is movable between an extended position in which the control line guide is configured to guide a control line into close proximity to the add-on tubular, and a retracted position in which the control line guide is configured to maintain a lateral control line clearance gap between the control line and the add-on tubular.
US10801279B2 Fingerboard storage arrangement
A fingerboard latch arrangement includes an elongate support member, a latch which moves from a closed position into an open position and from the open position into the closed position, and an activation member which is connected to and which is movable longitudinally along the elongate support member. The activation member includes means to bring the latch from the closed position into the open position and from the open position into the closed position.
US10801278B2 Instrumented drilling rig slips
A slips assembly for a drilling rig and methods. The slips assembly includes a body, a plurality of slips disposed within the body and configured to extend radially inward to engage a tubular, and to retract radially outward to form a gap between the tubular and the plurality of slips, and sensors configured to detect a force on the plurality of slips generated by the plurality of slips engaging the tubular.
US10801272B2 Tubular gripping device
A tubular gripping device comprising an outer body, a self-locking mechanism, and a retainer member. The outer body defines an inner tubular cavity having a first inner diameter, a second inner diameter, a first load shoulder, and a second load shoulder. The first load shoulder tapers the first inner diameter down to second inner diameter at the second load shoulder. The second load shoulder acts as a stop at the second inner diameter. The self-locking is mechanism positioned substantially co-axially within the tubular cavity of the outer body and proximate the first inner diameter, the self-locking mechanism having a spring expanded and a spring released position. The retainer member has a first retainer position radially restraining the self-locking mechanism in the spring expanded position and a second retainer position allowing the self-locking mechanism to contract to the spring released position to grip an outer surface of a tubular member.
US10801267B1 Drill for characterization of materials
A drill has a stationary drive mechanism coupled to a rotating drill, the rotating drill having a serpentine optical fiber positioned on an inner shell having a serpentine groove with fiber Bragg gratings (FBGs) coupled to the inner shell and arranged parallel to the central axis of rotation for measurement of axial forces and also positioned circumferentially for measurement of drill torque. The FBGs are arranged on a single optical fiber and coupled to a broadband optical source such that reflected optical energy is directed to an interrogator for estimate of strain at each FBG. The FBG responses may also be examined dynamically to estimate material hardness during a drilling operation.
US10801263B2 Ladder with top for holding an impact driver and method
A ladder having a plane having a periphery. The plane having a body opening to receive a body of an impact driver and a trigger recess extending from the body opening to receive a trigger of the impact driver. The body opening conforming to a shape of the body and the trigger recess conforming to the shape of the trigger. The body opening and the trigger recess holding the impact driver when the impact driver is placed on the top. A ladder top. A method for using an impact driver with a ladder.
US10801262B2 Platform ladder apparatus
A platform ladder apparatus (2) has a transport position and a use position in which the apparatus is arranged to lean against a wall (W) for performing work at an elevated level. The apparatus (2) has a ladder (4) and a working platform (20). A proximal side of the platform is pivotally connected at an upper end of the ladder such that it may be pivoted towards the ladder (4) to a stowed position essentially parallel to the ladder (4). The apparatus further comprises a pair of wall support arms (80) for stabilizing the apparatus in the use position in relation to the wall. The wall support arms (80) are connected to the platform (20) for movement between a stowed arm position in which the arms (80) project out from a distal side (24) of the platform (20) thereby preventing use of the apparatus, and a stabilizing arm position in which the arms (80) project sideways from the platform (20) in opposite lateral directions, respectively, for stabilizing the apparatus (2) in relation to the wall (W).
US10801259B1 Flexible hurricane window panel installable from inside a building
A hurricane panel system on the outside of an opening that can be installed from inside a multiple story building, through an open window without requiring tools of any type or outside assistance. This panel system includes a pliable, fabric, polyester panel that has a pair of parallel, vertical hems each containing a hem cord that are sized in diameter to fit into a pair of parallel, vertical or horizontal tracks connected to the outside of the building adjacent a window. The pliable, fabric panel includes one or more fabric straps that can be used to manipulate the panel in and out of the tracks. One or more locking pins are used to secure the panel in place relative to the tracks.
US10801258B2 Flexible dynamic shade with post-sputtering modified surface, and/or method of making the same
Certain example embodiments relate to electric, potentially-driven shades usable with insulating glass (IG) units, IG units including such shades, and/or associated methods. In such a unit, a dynamic shade is located between the substrates defining the IG unit, and is movable between retracted and extended positions. The dynamic shade includes on-glass layers including a transparent conductor and an insulator or dielectric film, as well as a shutter. The shutter includes a resilient polymer, a conductor, and optional ink. Holes, invisible to the naked eye, may be formed in the polymer. Those holes may be sized, shaped, and arranged to promote summertime solar energy reflection and wintertime solar energy transmission. The conductor may be transparent or opaque. When the conductor is reflective, overcoat layers may be provided to help reduce internal reflection. The polymer may be capable of surviving high-temperature environments and may be colored in some instances.
US10801252B2 Window assembly
Provided is a frameless window assembly made from a sheet with resilient edge(s).
US10801251B2 Devices and methods for mounting door frames
The present invention relates to a door frame, particularly a door frame for a pre-hung door assembly, which is foldable to minimize storage space and to allow for enhanced logistic efficiencies. The door frame contains parallel, spaced apart, vertical jambs and a horizontal header connecting the top ends of the jambs. Each of the jambs and the horizontal header contains a front section and back section that are hingedly joined so that then can be folded on to each other. The hingedly joined front and back sections allow the door fame to be foldable to minimize space occupied during storage.
US10801247B2 Barrier operator feature enhancement
A barrier operator feature enhancement device is designed to provide one or more features found in modern barrier operator devices and to incorporate those features into a previously installed barrier operator system. To facilitate ease of use, the barrier operator feature enhancement device can communicate with a large variety of barrier operators. Such communication may be wireless or wired, depending on the communication protocol implemented by a particular previously installed barrier operator. To facilitate the ease of installation, the device is designed to configure itself to operate with the communication protocol of the previously installed barrier operator. Once configured to be able to communicate with the previously installed barrier operator, the feature enhancement device works with the barrier operator to provide one or more additional features to enhance the capabilities of the previously installed barrier operator.
US10801246B2 Programmable door power assist
A power assist device includes a motor that is operatively coupled to a door of a vehicle, a display for displaying a swing path of the door, a controller for controlling the motor, and a touchscreen device for supplying the controller with one or more user-inputted selections for controlling a door swing of the door, wherein the user-inputted selections are received by the touchscreen device via one or more touch events.
US10801236B2 Hatch arrangement of a motor vehicle
The disclosure is directed to hatch arrangement having a hatch leaf, a hatch drive arrangement, a hatch lock, and a cinching system. The hatch lock has a hatch lock catch for engaging a hatch lock striker in a retaining manner in a primary latch position and in a secondary latch position, and for disengaging the hatch lock striker in an open latch position. The cinching system includes a force transfer arrangement for transferring a force exerted by the hatch drive arrangement to the hatch lock catch. The force transfer arrangement has a transfer element coupled to the hatch drive arrangement and a Bowden cable connecting the transfer element with the hatch lock catch. In the closed hatch position of the hatch leaf the hatch arrangement is free from pulling forces between the transfer element and the vehicle body.
US10801235B2 Electronic door with key-in-lever feature
An electronic door lock is operable to control access to an access controlled area adjacent the inner side of a door. The door lock includes an outer base, an inner base, a locking mechanism movable between a locked and unlocked position in response to a control signal, and a control circuit disposed within the inner base and operable to generate the control signal in response to the presentation of an input credential. A plurality of different types of credential readers arc each selectively attachable and removable from an attachment interface when the outer base is attached to the door to electrically connect the selected one of the plurality of different types of credential readers to the control circuit. The selected credential reader receives data from a user or credential and generates the input credential. A communication module is operable to communicate with a device separate from the electronic door lock.
US10801234B2 Vehicle trunk locking device
A locking device for a trunk in a vehicle. The locking device includes a latch configured to change a state of the trunk between locked and unlocked, and a lever configured to drive the latch to an open position. The locking device further includes a lock knob configured to be disposed outward of a vehicle body to visually determine from an outside of the vehicle whether the trunk is in the locked state or the unlocked state. The lock knob is further configured to be selectively placed in a locked position. In the locked position, the trunk is configured to be brought into the locked state by prohibiting the latch from being driven to an open position. The lock knob is further configured to be selectively placed in an unlocked position. In the unlocked position, the trunk is configured to be brought into the unlocked state by enabling the latch to be driven to the open position. The locking device further includes an actuator for enabling the lock knob to be selectively placed in one of the locked position or the unlocked position. The locking device is configured to authenticate a portable key, when the lever is operated with the trunk in the locked state. When the portable key is authenticated, the lock knob is configured to be driven into the unlocked position.
US10801230B2 Post support device for releasably mounting a post member
A post support device comprising a rigid insert portion having a body interposed between a top opening and a bottom end, said body defining a space therein. A post member is releasably secured in the rigid insert portion with a granular material, in combination with retainer members and a sealant portion. In the event the post member decomposes or breaks, the post member may be replaced by removing the sealant portion, retainer members, and the post member. The post support device enables the user to replace post members while maintaining the original spacing of the fence structure.
US10801225B1 Heat pump or water pump for a swimming pool having an integral water purifier
A pool maintenance system for maintaining desired characteristics of a body of water in fluid communication therewith, includes a chlorine generator having an integral power supply input, a water circulation pump in fluid communication with the body of water and with the chlorine generator via a series of water conduits, and a heat pump in fluid communication the water circulation pump. The water circulation pump and/or the heat pump incorporate an integral power supply/transformer functioning as a single shared power source communicatively integrating the chlorine generator with the respective water circulation pump and/or heat pump. A wired and/or wireless interface is provided electrically connected to the power supply and transformer integrated with the respective water circulation pump and or heat pump. The interface may be configured for communication with an internet-connected user-accessible device and/or a user portable smart device to enable the user to monitor and control at least the operation of the pumps and the chlorinator.
US10801222B2 Separately owned workshops with shared central building
A workshop community includes a plurality of standalone workshop structures positioned around a central building. Each workshop within the community is individually owned, with workshop owners jointly owning the central building and associated infrastructure such a paths, fences and lights. Each workshop includes multiple doors, an individual electrical meter, parking, and gate access. The central building is the administrative and social hub of the workshop community.
US10801218B2 Leveling device for tiles
This is a leveling device that is capable to bring to the same level two or more tiles with which the leveling device is placed in contact.
US10801217B2 Low-dust products using a wax emulsion
The present invention relates generally to wall repair compounds such as joint compounds, spackling compounds, and the like used to repair imperfections in walls or fill joints between adjacent wallboard panels. Particularly, the present invention relates to such a wall repair compound that comprises a dust-reduction additive that reduces the quantity of airborne dust generated when the hardened compound is sanded. The dust-reduction additive also synergistically imparts water resistance and adhesion to the wall repair compounds to which it is added. More specifically, in one embodiment, the dust-reduction additive is an emulsion comprising colloidally-protected, wax-based microstructures comprising paraffin that is chemically encapsulated by polyvinyl alcohol.
US10801216B1 System for distributing wireless networking components in a venue
A system for distributing wireless networking components in a venue. The system includes panels that define a floor surface. The panels each have a planar configuration with an upper surface opposite a lower surface. The panels include a material that is transparent to radio waves, and the panels define a storage space below the panels and the storage space may be used to store and distribute wireless networking component.
US10801215B2 Flooring support system
A flooring substrate system that uses one of three substrate components upon which various types of finish flooring may be attached above a deck structure. The deck structure may be open lumber framed or may be a waterproofed planar surface. Affixation of the flooring system may be by direct connection or by gravitational placement. Height and slope adjustable components interlock through a plunge, twist and locking teeth arrangement to form supporting members beneath the substrate components. A special fastening system is utilized between two of the substrate components to provide lateral stability to the top reversible structural panel.
US10801214B1 Covering structure and method for docks
A covering structure and method for a dock is disclosed. The structure may include a top surface, and a bottom surface. At least one of the top surface and the bottom surface includes one or more indentations. The structure includes a downward projection extending along each of a first edge and the second edge. The one or more indentations may be configured to drain fluid. The downward projections extend downwardly over vertical sides of the dock for covering and protecting at least a portion of vertical sides of the dock. The one or more indentations may be configured to receive an adhesive for gripping the dock. The one or more indentations may have one or more sloped walls. The covering structure is resistant to heat absorption and ultra-violet radiation. The covering structure is entirely a single piece. At least one of the top surface and bottom surface is roughened.
US10801207B2 Roof membranes with removable protective sheets
During installation of a single-ply roofing membrane, the surface of the membrane can be protected from dirt, scratches and scrapes by a protective sheet which also provides other beneficial attributes that aid an installer. A roof laminate includes a roof membrane and a protective sheet is removably affixed thereto. The sheet includes at least a first layer directly secured to a second layer. The first layer provides at least one of UV protection, anti-slip, and anti-glare to the roof laminate and so aids the installer in at least one of those respects. The second layer is removably affixed to the roof membrane.
US10801202B2 Connection clip for securing a panel to a support grid
The present disclosure relates generally to a connection clip for securing a panel to a support grid, for example, suitable for securing a wood grille panel to a ceiling grid. The present disclosure relates more particularly to a connection clip including a body having a base with a width extending between opposing first and second lateral edges and first and second arms extending upward respectively from the first and second lateral edges of the base so as to form a cavity configured to receive a structural cross member of the panel. Engagement lips extend laterally inward from an upper end of each arm and are configured to grip respective first and second flanges of a grid member of the support grid so as to secure the panel to the grid member. Each of the first and second engagement lips span a substantial majority of the depth of the connection clip.
US10801195B2 Sanitary plunger
The system disclosed herein is directed to a plunger having a protective sleeve for shielding contaminants from the plunger. The plunger includes a handle, and a flexible cup. The body further includes a tab, a shoulder region, a central portion, a first tail, and a second tail. An inlet is disposed on the external surface of the flexible cup. The inlet is coupled to a connector. A through-hole is disposed in the flexible cup or the handle. The through-hole is configured to receive the body of the protective sleeve by passing a portion of the body through an opening of the flexible cup.
US10801194B2 Retractable hose with drying sweep and in-wall drip tray
A drying sweep/squeegee to remove excess water from a hose in a shower and an in-wall drip pan to catch the excess water so removes as the hose passes through the drying sweep/squeegee. The in-wall drip pan has a bottom incline that is pitched and terminates at an edge, which edge aligns with a slit in a trim plate so that the water flow is down the incline of the in-wall drip pan and into and through the slit in the trim plate. The trim plate has a hollow interior into which is fitted the drying-sweep/squeegee.
US10801193B2 Control system for the flushing systems and method of operation for the same
A control system provided is suitable for use in the automated and/or digitized flushing systems with at least one reservoir for the collection of the water to be used in cleaning the toilet bowl, wherein the discharge of the water is realized automatically by at least one sensor and/or digitally by a discharge button operating in a touch-operated manner, and the control system has—a normal mode in which the water is discharged every time the discharge button and/or the sensor is/are triggered and a locking mode in which the discharge of the water within the reservoir is prevented every time the discharge button and/or the sensor is/are triggered. Owing to the control system and the method of operation disclosed herein, it is possible to regulate the operation of a flushing system according to need.
US10801192B2 Shower head liquid agent dispenser
A shower head liquid agent dispenser includes a storage tank having a hollow interior space for storing a liquid agent, a first tubular member that is connected to the bottom end of the storage tank, a valve which can be manipulated between an on and off position, a second tubular member that is connected to a tee fitting which is selectively connected to a building's shower arm and a shower head assembly.
US10801189B2 Screen intake device for shallow water
A screen intake apparatus has a concrete platform resting on a water source floor. A screen intake anchors on the platform and forms a half cylinder thereon. A barrier at one end of the platform in divides the flow of water. The screen intake has a half-cylindrical body and half-cylindrical screens. Transition walls in the screen intake divide the body's hollow and the screens' interiors, and at least one flow modifier communicates the interior with the hollow. These flow modifiers also form a half cylinder with the platform. A manifold in the screens receives a supply of air to clear debris. Forming a half-cylinder, the screen intake on the platform can have a much lower profile for the water source than the normal cylindrical screens, which require half of its diameter in clearance above and below.
US10801187B2 Work machine
Provided is a work machine that is equipped with a control unit that executes area limiting control with respect to a work device. The control unit includes: a position computing section that calculates the position, on an operation plane, of the forward end (first reference point) of a bucket and the rear end (second reference point) of the bucket; and a first distance computing section that calculates the distances in the operating plane from the first reference point and the second reference point to the target face A to be controlled. When the smaller one of the two distances is equal to or lower than a threshold during area limiting control, the control unit corrects an operation signal output from an operation lever device so as to reduce the operating speed of a hydraulic actuator that is a control target of the operation signal.
US10801182B2 System and method for controlling work vehicle operation based on multi-mode identification of operator inputs
In one aspect, the present subject matter is directed to a system and method for controlling the operation of a work vehicle based on the multi-mode identification of operator inputs. Specifically, the movement of an input device of the work vehicle may be monitored relative to two or more movement ranges defined within or across the range of positions defining the input device's overall travel range. When it is detected that the operator has made a pattern of input device movements relative to one of the movement ranges, a new operating mode may be selected or activated that adjusts the transfer function used to control the movement of a component of the work vehicle based on the position of the input device.
US10801181B2 Energy regeneration device and work machine provided with energy regeneration device
An energy regeneration device capable of controlling flow of a working fluid discharged from an actuator while regenerating energy from the working fluid, and a work machine including the foregoing device, include a boom cylinder, an inertial fluid container, an oil tank, an accumulator, a low-pressure-side opening/closing device, and a high-pressure-side opening/closing device. A calculation unit calculates a duty ratio for opening/closing the low-pressure-side opening/closing device and the high-pressure-side opening/closing device in accordance with a desired flow rate of a hydraulic fluid discharged from the boom cylinder. A regeneration control unit selects alternately the low-pressure-side opening/closing device and the high-pressure-side opening/closing device as a destination with which the inertial fluid container communicates in accordance with the calculated duty ratio, and supplies the discharged hydraulic fluid to an accumulator.
US10801176B1 Anchor structure and method for pole barn uplift protection
A structure for anchoring load-bearing posts in a post frame (“pole barn”) type building on footings in post holes below grade. The structure comprises a flexible cable or similar anchored in or under the footing and extending up through or around the footing to fastening points on opposite sides of a below-ground portion of a post resting on the footing. The footing-anchored cable and the fastening points are then buried in the post hole. A method for constructing the anchor structure is also disclosed.
US10801175B2 Umbrella anchorage
The invention is an application that completely alter the operating principle and load transfer mechanism of the anchorage technique used in the field of civil engineering, in particular at the excavation bracing and slope stability applications with a novel root zone apparatus.
US10801167B2 Hand-guided soil compaction machine
A hand-guided ground compaction machine, in particular a vibratory tamper or vibration plate compactor, having a superstructure, a drive device arranged on the superstructure and having at least one drive shaft, a substructure having a compaction plate driven by the drive device, and a sensor device comprising an accelerometer for determining the ground stiffness of a ground to be compacted, wherein the sensor device is supplied with electrical power, in particular solely, by a generator driven by the at least one drive shaft.
US10801163B2 Polyacrylic adhesive for use in tissue paper laminating
The present invention relates to a method for manufacturing a multi-ply tissue paper, wherein a first tissue is adhesively bonded to a second tissue using an aqueous, repulpable adhesive composition comprising an alkali soluble acrylic copolymer, The present invention also relates to a multi-ply tissue paper obtained by said manufacturing method.
US10801162B2 Paper and paperboard products
The present invention is directed to products, such as paper and paperboard products, comprising a substrate containing cellulose and top ply comprising microfibrillated cellulose and inorganic particulate, to methods of making such paper and paperboard products, and associated uses of such paper and paperboard products. The microfibrillated cellulose and inorganic particulate material are applied at the stage when the wet substrate is in the process of being formed on the wire of a papermaking machine, thereby avoiding the additional cost of more extensive equipment and machinery as well as in separate drying of a coating. The microfibrillated cellulose facilitates the application of inorganic particulate onto the surface of a wet paper or paperboard substrate when applied thusly, by trapping the inorganic particulate on the surface of the substrate and by giving the composite sufficient strength and a suitable pore structure to make it suitable for printing and other end-use demands.
US10801161B2 Mark and papermaking belt made therefrom
A textured mask comprising a film. The film can have a first substantially continuously flat surface lying in a first plane and a second surface opposite the first surface lying in a second plane substantially parallel to the first plane. The second surface is interrupted by a plurality of cavities, each of the cavities having a first depth defined by a third surface lying in a third plane substantially parallel to the first and second planes. The depth of the cavities can be at a distance of from about 0.1 mm to about 5 mm from the second plane. The textured mask is at least partially coated with an opaque masking agent. The textured mask can make a correspondingly structured three-dimensional papermaking belt, which can make correspondingly structured three-dimensional fibrous structure.
US10801156B2 Washing machine appliances and methods of pump operation
Washing machine appliances and methods of operating a pump thereof are provided herein. The washing machine appliance may include a tub, a basket, a nozzle, a measurement device mounted to the tub, a motor, a drain pump, and a controller. The basket may be rotatably mounted within the tub. The nozzle may be in fluid communication with the tub to selectively flow liquid thereto. The motor may be in mechanical communication with the basket to selectively rotate the basket within the tub. The drain pump may be in fluid communication with the tub to selectively motivate wash fluid therefrom. The controller may be operative communication with the measurement device, the motor, and the drain pump. The controller may be configured to initiate a washing operation.
US10801155B2 Washing machine
In accordance with an embodiment of the present invention, a washing machine may be provided to be able to automatically add a liquid detergent into a tub. The washing machine in accordance with an embodiment of the present invention includes a detergent box for containing a detergent or rinse; a detergent supply pump for pumping the detergent or rinse contained in the detergent box; a connection pipe connected to the detergent supply pump and a tub; and an open/close unit for opening or closing the connection pipe, wherein the open/close unit is configured to open the connection pipe only when the detergent or rinse is pumped by the detergent supply pump.
US10801154B2 Washing machine appliances and methods of spin cycle operation
Washing machine appliances and methods of operating a washing machine appliance, for instance, during a spin cycle are provided herein. The washing machine appliance may include a tub, a basket, a nozzle, a measurement device mounted to the tub, a motor, a drain pump, and a controller. The basket may be rotatably mounted within the tub. The nozzle may be in fluid communication with the tub to selectively flow liquid thereto. The motor may be in mechanical communication with the basket to selectively rotate the basket within the tub. The drain pump may be in fluid communication with the tub to selectively motivate wash fluid therefrom. The controller may be operative communication with the measurement device, the motor, and the drain pump. The controller may be configured to initiate a washing operation.
US10801153B2 Apparatus for treating laundry
Provided is an apparatus for treating laundry according to the present invention, including: a front cover that forms a front surface and includes a backward bent portion; a pair of side covers that form both flank surfaces, respectively, and that include sideward bent portions, respectively; a back cover that forms a rear-side surface; an outer tank that is positioned inside and holds water; an inner tank that is positioned rotatably inside the outer tank and holds foam; a motor that rotates the inner tank; a front member that is connected to the backward bent portion and extends along the backward bent portion; a pair of lateral members that extend along the pair of sideward bent portions, respectively; and a top cover that is connected to upper ends of the front cover, of the pair of side covers, and of the back cover, and has an insertion hole for the foam.
US10801151B2 Ozone injection systems
An ozone laundry system that injects ozone into the chemical injection system in order to allow the system to inject ozone as other cleaning chemicals are injected into the washer. This allows ozone to be injected through the wash cycle rather than just during the initial fill phase and additional avoids the expense and maintenance of adding ozone recirculation plumping to an ozone laundry system. Accordingly, ozone levels may be maintained at superior levels throughout the wash cycle.
US10801149B2 Washing machine
A washing machine including a first tub accommodated in a housing and formed by assembling a first member disposed in the front portion with a second member disposed in the rear portion; a second tub disposed above the first tub, a drum rotatably disposed in the inside of the second tub; and a driving shaft connected to the drum, configured to transfer a driving force to the drum and located further behind than an engaged portion of the first member and the second member of the first tub.
US10801147B2 Cleaner system and method for plant growing media
Systems and methods are provided for cleaning a cloth or fabric that has been used for growing plants. The cloth or fabric may be separated from or mounted with respect to a tray or support during the cleaning operation. At least two opposed, rotating brushes engage the top and bottom surfaces of the cloth or fabric to abrade and clean those surfaces. In addition, spray units, e.g., high pressure fluid nozzles, may direct cleaning fluid against one or both surfaces of the cloth or fabric. Filtration and sterilization systems may also be associated with the cleaning operation.
US10801146B2 System for anhydrous boiling, bleaching and dyeing using supercritical carbon dioxide fluid
An system for anhydrous boiling, bleaching and dyeing using a supercritical carbon dioxide fluid and belongs to the field of textile. The system for anhydrous boiling, bleaching and dyeing of a supercritical carbon dioxide fluid provided by the present invention is provided with a co-solvent system, a boiling, bleaching and dyeing system, and a separation and recovery system which are specially designed. By means of uniform dispersion and dissolution of a co-solvent, dyestuff and carbon dioxide, boiling, bleaching and dyeing production of jute fiber rough yarn can be achieved; meanwhile, the system for anhydrous boiling, bleaching and dyeing using a supercritical carbon dioxide fluid integrates the three functions of boiling, bleaching and dyeing, which can complete the boiling, bleaching and dyeing procedures in one step, and has the characteristic of high-efficiency, thus solving the problems of high contamination and high energy consumption of the jute fiber boiling, bleaching and dyeing procedures.
US10801143B2 Knee operated lifting mechanism for a presser foot of a sewing machine
A knee operated lifting mechanism for a presser foot of a sewing machine is fixed on a body of the sewing machine, the body is provided with a presser-foot shaft, the knee operated lifting mechanism is drivingly connected to the presser-foot shaft, so as to consequently drive the presser foot to move up and down. The knee operated lifting mechanism includes a knee pushing device, a cable and a rotary member. The knee pushing device includes a knee pushing plate to be operated by a user. The cable is drivingly connected to the knee pushing plate to control the rotation of a drive shaft and the rotation of the presser-foot shaft as well, which consequently controls the upward and downward motion of the presser foot, and thus considerably simplifying the structure of the knee operated lifting mechanism.
US10801141B2 Fibrous nonwoven coform web structure with visible shaped particles, and method for manufacture
A fibrous nonwoven structure formed of a blend of cellulose pulp fibers and melt spun polymer filaments is disclosed. The structure may include a distribution of a plurality of macroscopically visible shaped particles of substantially similar size and shape, included in the blend. The structure may also include outer scrim layers formed of melt spun polymer filaments. A method of manufacturing the fibrous nonwoven structure is also disclosed.
US10801140B2 Fiber sheet and method for manufacturing same
According to one embodiment, a fiber sheet includes a plurality of fibers. The plurality of fibers are in a closely-adhered state.All of the following (1) to (3) are satisfied, where F1 is a tensile strength in a first direction, and F2 is a tensile strength in a second direction orthogonal to the first direction: (1) F2>F1; (2) F1 is 1 MPa or more; and (3) F2/F1 is 2 or more.
US10801138B2 Knitting yarn and method of forming a knitted product
A knitting yarn used for forming a knitted product without using any knitting tools, such as crochet hooks or knitting needles. The knitting yarn includes a core thread having a length dimension and a plurality of loops affixed to the core thread, at least a first thread and at least a second thread having different structural and/or physical properties than each other; and the loops of the knitting yarn are made of the first thread, and the core thread is made of the second thread.
US10801132B2 High-uniformity coloured polyester industrial yarn
A high uniformity coloured polyester industrial yarn and preparation method. The raw material of the high-uniformity coloured polyester industrial yard is the modified polyester composed of terephthalic acid segment, an ethylene glycol segment and a branched diol. The high-uniformity coloured polyester industrial yarn is prepared by esterification reaction of terephthalic acid with a branched diol using concentrated sulfuric acid as catalyst to obtain terephthalic acid glycol ester. Terephthalic acid and ethylene glycol are formulated to carry out esterification reaction to obtain ethylene terephthalate. Finally, stir and mix the two materials and carry out the polycondensation reaction in the low vacuum stage and the high vacuum stage under the action of the catalyst and the stabilizer to obtain modified polyester. Measure the modified polyester and add black masterbatch. After porous spinneret extrusion, cooling, oiling, drawing, heat setting and winding the modified polyester, high uniformity coloured polyester industry yarn is obtained.
US10801131B2 Electrospinning aramid nanofibers
Example methods and articles of manufacture related to electrospun aramid nanofibers are provided. One example method may include forming a resultant solution by reacting a solution of aramids dissolved in a solvent with an electrophile. In this regard, the electrophile may perform a side chain substitution on the dissolved aramids. The example method may further include electrospinning the resultant solution to form an aramid nanofiber.
US10801126B2 Method for producing bulk silicon carbide
A method of producing silicon carbide is disclosed. The method comprises the steps of providing a sublimation furnace comprising a furnace shell, at least one heating element positioned outside the furnace shell, and a hot zone positioned inside the furnace shell surrounded by insulation. The hot zone comprises a crucible with a silicon carbide precursor positioned in the lower region and a silicon carbide seed positioned in the upper region. The hot zone is heated to sublimate the silicon carbide precursor, forming silicon carbide on the bottom surface of the silicon carbide seed. Also disclosed is the sublimation furnace to produce the silicon carbide as well as the resulting silicon carbide material.
US10801124B2 Stainless steel plate
A stainless steel plate for press forming includes a stainless steel having a recess formed along grain boundaries on a base surface of the stainless steel; and a surface film that is formed on a surface of the stainless steel that includes the recess, that is composed of at least one of an Fe and Cr-based oxide film and an Fe and Cr-based hydroxide film, and that has a thickness of equal to or greater than 0.1 μm and equal to or less than 3.0 μm, wherein a groove is formed correspondingly to the recess on the surface side of the stainless steel. The stainless steel plate has superior galling resistance and press formability during press forming even if general-purpose stainless steel and an extreme pressure additive, such as a non-chlorine-based additive, or a low viscosity press oil are used.
US10801120B2 Systems and methods for electroplating sources for alpha spectroscopy
Disclosed herein are a system and method for electroplating an alpha emitting radionuclide, such as an actinide, for use in alpha spectroscopy. The electrodeposition system for electroplating an alpha emitting radionuclide can include an electroplating cell containing a solution of an electrolyte and the alpha emitting radionuclide, a metal target within the electroplating cell, and a metal anode at a distance from the metal target. The system also includes a platform for supporting the electroplating cell, coupling mechanism connected to the platform, an electric motor on the elastic cushion, and a flywheel with an uneven weight distribution operatively connected to the electric motor. Rotation of the unevenly distributed flywheel generates a vibration in the electroplating cell which dislodges gas bubbles that have formed between the metal target and the metal anode.
US10801119B2 Counterfeiting deterrent and security devices, systems, and methods
A counterfeiting deterrent device according to one implementation of the disclosure includes a plurality of layers formed by an additive process. Each of the layers may have a thickness of less than 100 microns. At least one of the layers has a series of indentations formed in an outer edge of the layer such that the indentations can be observed to verify that the device originated from a predetermined source. According to another implementation, a counterfeiting deterrent device includes at least one raised layer having outer edges in the shape of a logo. A light source is configured and arranged to shine a light through a slit in a substrate layer of the device and past an intermediate layer to light up the outer edge of the raised layer. The layers of the device are formed by an additive process and have a thickness of less than 100 microns each.
US10801117B2 Ion exchange membranes, electrochemical systems, and methods
Disclosed herein are ion exchange membranes, electrochemical systems, and methods that relate to various configurations of the ion exchange membranes and other components of the electrochemical cell.
US10801116B2 Hydrogen-oxygen reaction device
This hydrogen-oxygen reaction device includes a reaction vessel including a reaction region filled with a reaction catalyst which promotes a reaction between hydrogen and oxygen, an introduction portion which introduces an hydrogen-oxygen mixed gas having hydrogen or oxygen as a main component into the reaction vessel, a water vapor pipe of which one end portion is inserted into the reaction vessel and which includes a region in contact with the reaction region with at least a part of the region in contact with the reaction region being formed of a water vapor permeable membrane, a discharge portion through which a gas in the reaction vessel is discharged to an outside, and a cooling portion which cools the water vapor pipe outside the reaction vessel.
US10801114B2 Process for the protection against corrosion of an article in a wet environment and composition therefore
The present invention relates to a process for the protection against corrosion of an article, comprising the steps of (a) application of a layer of a corrosion protecting composition comprising (i) an amorphous polymer composition comprising an amorphous polymer having a glass transition temperature of −20° C. or less and (ii) a water-absorbing filler, on a surface of the article, and (b) application of a mechanical protective layer on top of the layer of said corrosion protecting composition, wherein the article is in a wet environment. The invention further relates to a corrosion protecting composition and to a tape comprising a layer comprising a corrosion protecting composition according to the invention. The invention also relates to an article, comprising (a) a layer of a corrosion protecting composition according to the invention on a surface of the article, and (b) a mechanical protective layer to protect said layer of said composition.
US10801112B2 Composition for forming coating, production method for surface-treated metal member, and production method for metal-resin composite
The coating film-forming composition is a solution of pH 4 to 10 and includes an aromatic compound having an amino group and an aromatic ring in one molecule, a polybasic acid having two or more carboxy groups, and an oxidizing agent. As the oxidizing agent, hypochlorous acid, chlorous acid, chloric acid, perchloric acid, persulfuric acid, percarbonic acid, hydrogen peroxide, organic peroxides, or the like is used. The aromatic compound preferably contains a nitrogen-containing aromatic ring, and more preferably contains a primary amino group or a secondary amino group. The coating film-forming composition is used for, for example, forming a coating film on surface of a metal member.
US10801111B2 Sintered-bonded high temperature coatings for ceramic turbomachine components
Methods for forming sintered-bonded high temperature coatings over ceramic turbomachine components are provided, as are ceramic turbomachine components having such high temperature coatings formed thereover. In one embodiment, the method includes the step or process of removing a surface oxide layer from the ceramic component body of a turbomachine component to expose a treated surface of the ceramic component body. A first layer of coating precursor material, which has a solids content composed predominately of at least one rare earth silicate by weight percentage, is applied to the treated surface. The first layer of the coating precursor material is then heat treated to sinter the solids content and form a first sintered coating layer bonded to the treated surface. The steps of applying and sintering the coating precursor may be repeated, as desired, to build a sintered coating body to a desired thickness over the ceramic component body.
US10801109B2 Method and apparatus for providing station to station uniformity
An apparatus for processing substrates is provided. A first gas source is provided. A first gas manifold is connected to the first gas source. A second gas manifold is connected to the first gas source. A first processing station has a first gas outlet, wherein the first gas outlet is connected to the first gas manifold. A second processing station has a second gas outlet, wherein the second gas outlet is connected to the second gas manifold. A first variable conductance valve is between the first gas source and the first gas outlet along the first gas manifold. A second variable conductance valve is between the first gas source and the second gas outlet along the second gas manifold.
US10801105B2 Process for the generation of thin inorganic films
The present invention is in the field of processes for the generation of thin inorganic films on substrates, in particular atomic layer deposition processes. The present invention relates to a process comprising bringing a compound of general formula (I) into the gaseous or aerosol state and depositing the compound of general formula (I) from the gaseous or aerosol state onto a solid substrate, wherein R1, R2, R3, and R4 are independent of each other an alkyl group, an aryl group or a trialkylsilyl group, M is Mn, Ni or Co, X is a ligand which coordinates M, wherein at least one X is a neutrally charged ligand, m is 1, 2 or 3 and n is at least 1 wherein the molecular weight of the compound of general formula (I) is up to 1000 g/mol.
US10801104B2 Methods and apparatuses for forming large-area carbon coatings
In one aspect, methods of making a carbon coating are described herein. In some implementations, a method of making a carbon coating comprises applying a first adhesive material to a substrate surface to provide an adhesive surface; rolling a carbon source over the adhesive surface to provide a carbon layer on the adhesive surface; and rolling an adhesive roller over the carbon layer to remove some but not all of the carbon of the carbon layer to provide the carbon coating.
US10801103B2 Evaporation device and evaporation method using the same
The present disclosure provides an evaporation device and an evaporation method using the same. The evaporation device includes at least one evaporation line, a first delivery track, and a tray. The evaporation line includes an evaporation chamber including a plurality of evaporation sub-chambers connected in sequence, an inlet of the evaporation line is formed at one end of the evaporation chamber, an outlet is formed at the other end, and an evaporation source component is provided in the evaporation sub-chamber; a track arranged between the inlet and outlet of evaporation line, the first delivery is located above the evaporation source component; and a tray for placing a workpiece, the tray being movably provided on the first delivery track can be movable between the inlet and the outlet of the evaporation line to deliver the workpiece so as to form deposition on the workpiece by evaporation source component.
US10801101B2 Vapor evaporation source
A vapor evaporation source is provided. The vapor evaporation source includes a vapor evaporation source body made of conductive material, and the vapor evaporation source body has: a main body configured with a material chamber therein; and a first electrode connection terminal and a second electrode connection terminal disposed on outer sides of the main body. The first electrode connection terminal and the second electrode connection terminal have opposite polarities. After electrification of the first electrode connection terminal and the second electrode connection terminal, the main body itself conducts electricity and generates heat to heat material inside the material chamber.
US10801092B2 Thick steel plate having excellent low-temperature toughness and hydrogen-induced cracking resistance, and method for manufacturing same
The present invention relates to a thick steel plate having excellent low-temperature toughness and hydrogen-induced cracking resistance, and a method for manufacturing the same.
US10801091B2 Steel for induction hardening
A steel for induction hardening according to the present invention includes a chemical composition consisting of, in mass percent: C: 0.58 to 0.68%, Si: 0.70 to 1.40%, Mn: 0.20 to 1.40%, P: less than 0.020%, S: less than 0.020%, Al: 0.005 to 0.060%, N: 0.0020 to 0.0080%, O: 0.0015% or less, V: 0.01 to 0.25%, B: 0.0003 to 0.0040%, Ti: 0.010 to 0.050%, and Ca: 0.0005 to 0.005%, with the balance being Fe and impurities, and satisfies Formulae (1) to (3). The steel microstructure is made up of ferrite and pearlite. A ratio of a number of composite inclusions is 20% or more. C+Si/7+Mn/5+Cr/9+Mo/2.5≤1.05  (1) C+Si/10+Mn/20+Cr/25≥0.70  (2) Cr/Si≤0.20  (3)
US10801089B2 Light metal cast component
A method includes producing a light metal cast component from a melt of an aluminium casting alloy. The alloy contains, by weight, silicon with 3.5 to 5.0%, magnesium with 0.2 to 0.7%, titanium with 0.07 to 0.12%, boron with a maximum of 0.012%, and optionally further alloy elements together with less than 1.5%, the rest, aluminium as well as unavoidable impurities, wherein the melt is produced from a base melt, a first grain refiner of an aluminium-silicon alloy and a second grain refiner of an aluminium-titanium-alloy, wherein the melt, in relation to the total weight, contains in total an amount of 0.1 to 5.0% of the first and the second grain refiner; wherein the casting is carried out by a low-pressure method and the melt is acted upon by compacting after the casting.
US10801087B2 High-strength and high-conductivity copper alloy and applications of alloy as material of contact line of high-speed railway allowing speed higher than 400 kilometers per hour
The present invention discloses a super-strong high-conductivity copper alloy and applications thereof as the contact wire materials of high speed railways allowing a speed of over 400 km per hour. The copper alloy comprises niobium, chromium, zirconium, titanium and remaining copper; the copper alloy exists in the form of long bar or wire, wherein niobium is distributed in the copper matrix in the form of nanofibers and solid solution atoms, chromium is distributed around the niobium fibers and the copper matrix in the form of nano-particles and solid solution atoms, zirconium is distributed around the niobium fibers and in the copper matrix in the form of copper-zirconium compound nano-particles and solid solution atoms; titanium is distributed in the copper matrix in the form of copper-titanium GP zone and solid solution atoms; the total amount of niobium, chromium and zirconium solid solution atoms contained in the copper alloy is less than 0.2%.
US10801083B2 Method for melting metal material in a melting plant and relative melting plant
Method for melting metal material in a melting plant comprising at least an electric furnace having at least a shell into which said metal material is introduced, and feed means to load said metal material into said shell, said method comprising at least a step of loading said metal material into said shell by means of said feed means, a melting step in which said metal material is melted, and a subsequent tapping step in which the molten metal material is tapped.
US10801081B2 Classified reduction gasification iron smelting process of iron ore powder and coal powder in a Y-type entrained flow bed
A classified reduction gasification iron smelting process of iron ore powder and coal powder in a Y-type entrained flow bed. The process comprises the following steps: uniformly mixing the pre-reduced hot iron ore powder with the coal powder, and introducing the mixture, a gasification agent and water vapor into a Y-type entrained flow bed for performing combustion, gasification and reduction reaction to obtain crude syngas and molten iron; the crude syngas is used for sucking iron ore powder to enter a riser to perform preheating and partial reduction.
US10801080B2 High-temperature liquid slag granulating system
A liquid slag granulating system includes a granulator (1), a granulator connecting part and a granulator drive part. The granulator (1) is disc-shaped or cup-shaped, and a diversion cone is arranged at a center of the granulator (1). The granulator drive part drives the granulator to rotate, thus granulating liquid slag. The system further includes an air supply part.
US10801077B2 Influenza A virus variants
The present invention relates to influenza A virus variants, particularly variants that are resistant to a polymerase inhibitors. Also provided are methods and compositions related to the influenza A virus variants. Further provided are methods of isolating, identifying, and characterizing multiple viral variants from a patient.
US10801070B2 Compositions and methods for diagnosing, evaluating and treating cancer
The present invention relates to methods of determining a cancer treatment prognosis for a subject in need thereof by evaluating epigenetic and genetic changes within a tumor sample from the subject. The present invention further provides methods of treating cancer in a subject by evaluating epigenetic and genetic changes within a tumor sample from the subject. In addition, the present invention provides methods of screening test agents to identify agents that decrease tumor cell plasticity.
US10801065B2 Methods of determining levels of exposure to radiation and uses thereof
Provided herein are methods of determining a subject's level of exposure to radiation and methods of determining a subject's risk of subsequent development of radiation disease or risk of poor prognosis from radiation exposure that include determining a level of one or more miRNAs selected from the group consisting of mouse and human homologues of mouse miR-130a-3p, miR-150-5p, miR-17-3p, miR-187-3p, miR-194-5p, miR-27a-3p, miR-30a-3p, miR-30c-5p, miR-142-5p, miR-342-3p, miR-34b-3p, miR-126-3p, miR-320-3p, miR-136-5p, miR-33-5p, miR-142a-3p, miR-706, miR-375-3p, miR-29a-5p, miR-193a-3p, miR-99b-5p, miR-151-3p, miR-let-7d-3p, miR-486-5p, miR-423-5p, miR-30b-5p, miR-191-5p, miR-497a-5p, miR-32-5p, miR-214-5p, miR-326-3p, miR-1195, miR-122-5p, miR-1839-3p, miR-500-3p, miR-30e-3p, miR-322-3p, miR-709, miR-486-3p, miR-133a-3p, miR-676-3p, miR-744-5p, miR-29a-3p, miR-1839-5p, miR-30a-5p, miR-199b-5p, miR-125a-5p, miR-133b-3p, miR-24-3p, miR-21a-5p, miR-503-5p, miR-328-3p, miR-let-7g-5p, miR-362-3p, miR-199a-5p, miR-15a-3p, miR-139-5p, miR-149-5p, miR-29b-3p, miR-1a-3p, miR-23b-3p, miR-215-5p, miR-204-5p, miR-200b-5p, miR-25-3p, miR-338-3p, and miR-196b-5p, in a sample including a biological fluid from the subject.
US10801061B1 System and method for forming an emulsion
Systems and methods are provided for forming emulsions from an aqueous fluid and oil. The aqueous fluid-in-oil emulsions are useful for numerous molecular biology techniques. The system is configured to cyclically translate a chamber containing the emulsion components, along a cycle path, while maintaining the axial orientation of the chamber with respect to a horizontal plane, and without rotating the chamber.
US10801057B2 Selection of mature fruit color in pepper plants
The invention provides methods and compositions for breeding pepper (Capsicum sp. such as Capsicum annuum) lines, including isogenic and nearly isogenic lines, displaying one or more mature fruit color(s) of interest. Predictive genetic markers and associated sequences and primers, associated with phenotypic diversity at the Ccs locus encoding Capsanthin-Capsorubin Synthase, and the Ze locus encoding Zeaxanthin Epoxidase are also provided, as well as methods for breeding pepper lines. Further provided are pepper plants, and plant parts including seeds, seed mixtures, fruit, and packaged fruit, which display mature fruit color(s) of interest.
US10801056B2 Kit and method for detection of microRNA
The present invention relates to a kit for detecting miRNA and a method for detecting miRNA using the kit. According to the miRNA detection kit and method of the present invention, it is possible to detect a certain miRNA in a quick and accurate manner, and it also possible to perform multiplex analysis capable of detecting a plurality of miRNAs at the same time.
US10801052B2 Cofactor regeneration system
The present invention relates to cofactor regeneration systems, components and uses thereof and methods for generating and regenerating cofactors. The cofactor regeneration system comprises a first electron transfer component selected from a polypeptide comprising a NADH:acceptor oxido-reductase or NADPH:acceptor oxido-reductase, a second electron transfer component selected from a hydrogenase moiety and/or non-biological nanoparticles and an electronically conducting surface. The first and second electron transfer components are immobilised on the electrically conducting surface, and the first and second electron transfer components do not occur together in nature as an enzyme complex.
US10801042B1 Use of ion concentrations to increase the packaging efficiency of recombinant adeno-associated virus
The present invention is directed to methods for increasing the efficiencies with which recombinant adeno-associated virus (rAAV) are packaged, so as to increase their production titers. More specifically, the invention relates to a method for increasing the production titer of rAAV by transfected cells by increasing the ionic strength of the cell culture media through the administration of additional ions.
US10801035B2 Plants having increased tolerance to herbicides
The present invention refers to a method for controlling undesired vegetation at a plant cultivation site, the method comprising the steps of providing, at said site, a plant that comprises at least one nucleic acid comprising a nucleotide sequence encoding a wild-type hydroxyphenyl pyruvate dioxygenase or a mutated hydroxyphenyl pyruvate dioxygenase (mut-HPPD) which is resistant or tolerant to a coumarone-derivative herbicide and/or a nucleotide sequence encoding a wild-type homogentisate solanesyl transferase or a mutated homogentisate solanesyl transferase (mut-HST) which is resistant or tolerant to a coumarone-derivative herbicide, and applying to said site an effective amount of said herbicide. The invention further refers to plants comprising mut-HPPD, and methods of obtaining such plants.
US10801034B2 Methods of increasing resistance of crop plants to heat stress and selecting crop plants with increased resistance to heat stress
Methods of increasing the resistance of a crop plant to heat stress and in particular methods of improving the grain yield and quality of crop plants grown under heat stress in the form of increased minimal temperatures are provided. The methods include selecting plants with increased expression of HYR and growing these plants in regions expected to experience minimal temperatures above 25° C. during the growing season. Methods of screening plants for increased resistance to heat stress and methods of producing grain in regions having minimal temperatures of 25° C. or more are also provided.
US10801033B2 Recombinant polynucleotide involved in lactone synthesis and process for synthesis of lactones thereof
The present invention provides the polynucleotide encoding enzyme involved in lactone synthesis and a process for synthesis of lactones using said polynucleotides. The invention also provides recombinant plasmid expression vector comprising said polynucleotide sequence. The recombinant protein encoded by said polynucleotides leads to synthesis of lactones having flavour peculiar to Alphonso mangoes.
US10801027B2 Inhibitors of SRSF1 to treat neurodegenerative disorders
The present disclosure relates to antagonists that target Serine/Arginine-Rich Splicing Factor 1 (SRSF1); expression vectors comprising SRSF1 antagonists; and the use of such antagonists in therapy for the treatment of neurodegenerative disorders and cancer and screening methods that identify agents that inhibit the expression or activity of SRSF1.
US10801026B2 Compounds and compositions including phosphorothioated oligodeoxynucleotide, and methods of use thereof
The present disclosure relates to a compound including a nucleic acid sequence conjugated to an anti-microRNA or a microRNA-mimic or a compound including a modified anti-microRNA sequence, compositions of such a compound, and method of treatment of a disease, and method of suppressing microRNA activity by the disclosed compound or composition.
US10801025B2 MicroRNA therapy for pancreatic cancer
Methods for inhibiting pancreatic cancer cell migration and invasion are disclosed herein. Further, methods for inhibiting autophagy are disclosed. More particularly, as discussed herein, increasing miR-29 expression in the tumor microenvironment inhibits migration, invasion and autophagy in cancer patients.
US10801022B2 Method for solid-phase synthesis of DNA encoded compound library
The present invention provides a method of solid-phase synthesis of DNA-encoded compound library. The method includes following steps: a) reacting solid carrier G-1 with linker molecule L-1 to prepare L-G-1; b) reacting DNA with linker molecule L-0 to prepare L-2; c) reacting L-G-1 with L-2 to prepare L-G-2; d) removing protection group of the L-G-2 and obtaining L-G-2-1; e) reacting the L-G-2-1 with synthetic building block and performing DNA encoding; and f) removing the solid carrier and obtaining the DNA-encoded compound library. Compared with the prior art, the present invention can complete post-treatment purification of the reaction only by filtration and irrigation processes for several times. The present invention is simple to operate, can shorten the production cycle of DNA encoded compound library with more than 50%, significantly increases the production efficiency and the unicity as well as the purity of the final products.
US10801020B2 Hexuronate C4-epimerase variant having improved d-tagatose conversion activity, and d-tagatose production method using same
Provided are a hexuronate C4-epimerase variant with improved activity in converting D-fructose by D-tagatose of hexuronate C4-epimerase and a method for production of D-tagatose using them.
US10801019B1 Engineered DNase enzymes and use in therapy
The present invention provides engineered DNase proteins (including DNase1-like 3 and DNase1) that are useful for treating conditions characterized by neutrophil extracellular trap (NET) accumulation and/or release. In some aspects, the invention provides compositions and methods for preventing or treating vascular occlusion involving NETs. As demonstrated herein, NETs participate in a non-canonical mechanism for vascular occlusion, which is not dependent on fibrin or platelets.
US10801018B2 Reduced immunogenic proteins for lysosomal storage disorders
Disclosed are methods and compositions for reduced immunogenic proteins used in enzyme replacement therapy for lysosomal storage disorders. More specifically disclosed are genetically engineered variants of N-acetylgalactosamine-6-sulfatase (GALNS), which are less immunogenetic then wild-type GALNS, but maintain enzymatic activity, and may be used to treat Mucopolysaccharidosis IVA (Morquio A disease, MPS IVA).
US10801012B2 Chimeric receptor with NKG2D specificity for use in cell therapy against cancer and infectious disease
The invention provides a chimeric receptor comprising NKG2D, DAP10 and CD3 zeta. Also disclosed is a composition comprising this chimeric receptor and methods for making and using it to enhance the cytotoxicity and antitumor capacity of NK cells. The invention also encompasses methods for use of NKG2D-DAP10-CD3 zeta polypeptides, vectors and cells in methods for treating cancer and other proliferative disorders, as well as infectious diseases.
US10801009B2 Cosmetic composition for improving condition of skin, containing cell culture medium, epidermal growth factor and bovine serum albumin
The present invention relates to: a cosmetic composition for improving the condition of the skin, containing, as active ingredients, a cell culture medium, an epidermal growth factor and a bovine serum albumin; a method for improving the condition of the skin by using the same; and a method for preventing or treating skin diseases. According to the present invention, the cosmetic composition can exhibit excellent wrinkle-reducing and wound-healing effects even when only a small amount of EGF is used, and thus can be useful in improving the condition of the skin or in preventing or treating skin diseases.
US10801006B2 Device for obtaining images of bacterial cultures in a dish
The present invention relates to a device for obtaining images of bacterial cultures in a dish. The proposed device includes a support for a culture dish to be analyzed surrounded by an annular light emitting source facing an image capturing device and a non-reflective surface which, in conjunction with a reflective surface arranged in the periphery of the support, form a preferably spherical-shaped contrast observation chamber, providing a glare- and reflection-free, uniform tangent illumination of the support.
US10800997B2 Detergent compositions comprising polypeptide variants
Detergent compositions comprising polypeptide variants and methods of cleaning and/or treatment of surfaces using such compositions, and fabric treatment compositions comprising polypeptide variants. The compositions may comprise surfactants: anionic, nonionic and/or cationic.
US10800996B2 High foaming liquid alkaline cleaner concentrate composition
A high foaming liquid alkaline cleaner comprises one or more alkalinity sources; one or more surfactants comprising a hydrotrope, one or more wetting and soil emulsifying surfactants, one or more foam volume generating surfactants, and one or more foam boosting surfactants and one or more sequestrants. Optionally, an organic solvent can be utilized. The high foaming liquid alkaline cleaning composition is generally prepared in a concentrated form and can be diluted as with water. The alkaline cleaner provides effective cleaning properties, with respect to fats, oils, and organic soils.
US10800994B2 Methods for producing a high protein corn meal from a whole stillage byproduct and system therefore
The present invention relates generally to corn dry-milling, and more specifically, to methods for producing a high protein corn meal from a whole stillage byproduct produced in a corn dry-milling process for making ethanol and a system therefore. In one embodiment, a method for producing a high protein corn meal from a whole stillage byproduct includes, in a corn dry-milling process for making ethanol, separating the whole stillage byproduct into an insoluble solids portion and a thin stillage portion. The thin stillage portion is separated into a protein portion and a water soluble solids portion. Next, the protein portion is dewatered then dried to define a high protein corn meal that includes at least 40 wt % protein on a dry basis.
US10800982B2 Processing scheme for production of low sulfur bunker fuel
This invention describes a novel and efficient processing scheme that can be used to transform a vacuum residue feedstock into 0.5 wt % sulfur bunker fuel that fulfills the specifications required by the International Maritime Organization (IMO).
US10800971B1 Biomass-based high-efficiency fluorescent graphene quantum dot and preparation method thereof
The invention relates to the field of nano materials, in particular to biomass-based high-efficiency fluorescent graphene quantum dot and preparation method thereof. Method for preparing biomass-based high-efficiency fluorescent graphene quantum dots includes hydrothermal reaction of composite carbon source, nitrogen source, polyvalent metal ion and water. The method for preparing a biomass-based high-efficiency fluorescent graphene quantum dot includes the following steps: (1) Mixing the composite carbon source and the nitrogen source, and then adding water, stirring and dissolving to obtain a mixture A; (2) Adding polyvalent metal ions to the mixture A, and after stirring, heating and reacting to obtain a crude product; (3) The crude product is purified by dialysis to obtain a purified product. The biomass-based high-efficiency fluorescent graphene quantum dot of the invention has the characteristics of high fluorescence intensity, high yield, simple preparation method and wide range of application.
US10800970B2 Color conversion composition, color conversion film and backlight unit, display and lighting device each comprising same
A color conversion composition converting incident light to light having a longer wavelength than the incident light, and containing the following components (A)-(C): (A) at least one luminescent material; (B) a binder resin; and (C) at least one of tertiary amines, catechol derivatives and nickel compounds, in which the tertiary amines, the catechol derivatives and the nickel compounds have a molar extinction coefficient ε of 100 or less over the whole wavelength range from 400 nm to 800 nm is provided. This color conversion composition achieves a good balance between improvement of color reproducibility and durability if used for a liquid crystal display or an LED lighting device.
US10800965B2 Compositions including modified release material for treatment of subterranean formations
Compositions including modified release material for treatment of subterranean formations are provided. Also provided is a method of treating a subterranean formation including placing in the subterranean formation a composition including a modified release material. The modified release material can include an additive and a solid substituted or unsubstituted fatty acid having a melting point of about 30° C. to about 250° C., wherein the additive is partially or wholly enveloped by the fatty acid.
US10800964B2 Dual functioning corrosion inhibitor and foaming agent
A method may include: placing into a wellbore penetrating a subterranean formation a foaming agent, wherein the wellbore comprises a produced fluid from the subterranean formation; and foaming the produced fluid. The foaming agent may include at least one of the following structures: wherein R1 and R2 are individually selected from an alkyl group, an alkenyl group, a heteroatom substituted alkyl group, or a heteroatom substituted alkenyl group, wherein R1 comprises 5 carbon atoms to 22 carbon atoms in length, and wherein R2 comprises 1 carbon atom to 8 carbon atoms.
US10800963B2 Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereof
The present disclosure provides a pressure-reducing and injection-enhancing anti-scaling agent for low-permeability water-injection wells and a preparation method thereof. The anti-scaling agent is prepared from starting materials comprising: 10 to 12 parts of non-ionic surfactant(s), 18 to 20 parts of hexasodium triethylenetetramine-N,N,N′,N″,N′″,N′″-hexaacetate, 5 to 8 parts of anionic surfactant(s), 6 to 8 parts of an organic phosphonic acid-carboxylic acid scale inhibitor, 2 to 5 parts of a dispersant, 15 to 18 parts of a diluent, 8 to 10 parts of an organic amine salt, and 30 to 36 parts of water. The pressure-reducing and injection-enhancing agent according to the present disclosure is characterized by having multiple functions in one agent. When used in an amount being 0.5% of the water injected to a water injection well, it shows excellent anti-swelling property, shrinking property, anti-corrosive property, and calcium sulfate and barium (strontium) sulfate scale resistance.
US10800960B2 Date tree leaflet-based flaky lost circulation material
A lost circulation material (LCM) having flakes formed from date tree leaflets is provided. The flakes of the date tree leaflet LCM may be formed by tearing and shredding date tree leaflets from date trees. The date tree leaflets may be obtained from date tree pruning performed by date tree farming industries. The date tree leaflet LCM may be added to o a drilling fluid to mitigate or prevent lost circulation in a well. Methods of lost circulation control with the date tree leaflets LCM are also provided.
US10800958B2 Composition containing mixture of fluorinated hydrocarbons, and use thereof
The present invention provides a refrigerant composition that has a low GWP and ASHRAE non-flammability performance. Specifically, the present invention provides a composition comprising a mixture of fluorinated hydrocarbons, the mixture comprising difluoromethane (R32), pentafluoroethane (R125), 1,1,1,2-tetrafluoroethane (R134a), and 2,3,3,3-tetrafluoropropene (1234yf) at specific concentrations.
US10800956B2 Debondable reactive hot melt adhesives
The present invention relates to a reactive hot melt adhesive composition, which at least partially loses its adhesiveness upon application of an electric voltage and thus allows debonding of substrates that have been bonded using said adhesive. Furthermore, the present invention relates to a method for its production and a method for forming a bonded substrate using such a reactive hot melt adhesive composition.
US10800955B2 Aqueous sealant composition for nonaqueous electrolyte battery
Disclosed is an aqueous sealant composition for a nonaqueous electrolyte battery by which a sealant layer having excellent properties can be obtained. An aqueous sealant composition of the present disclosure comprises an acrylic polymer obtained by polymerizing a monomer composition comprising a compound represented by a general formula (I): CH2═CR1COOR2  (I), where R1 represents —H or —CH3, and R2 represents a cycloalkyl group or an alkyl group having 8 or more carbon atoms, in an amount of 80 mass % or more in an aqueous solvent.
US10800948B2 Conductive adhesive compositions and method for the same
Conductive adhesive compositions, jettable ink adhesive compositions, printed electronics incorporating the conductive adhesive compositions, and methods for preparing the same are provided. The conductive adhesive composition may include a eutectic metal alloy, an amine, and a solvent, and the eutectic metal alloy may include gallium, indium, and optionally tin.
US10800944B2 Pressure-sensitive adhesive sheet
Provided is a pressure-sensitive adhesive (PSA) sheet including a PSA layer formed from a PSA composition including a base polymer, crosslinking agents of two or more species having mutually different types of crosslinkable functional groups, and an azole-based rust inhibitor. Here, one of the crosslinking agents of two or more species is an isocyanate-based crosslinking agent. Monomeric components constituting the base polymer include a carboxy group-containing monomer. The amount of the azole-based rust inhibitor in the PSA layer is less than 8 parts by weight with respect to 100 parts by weight of the base polymer.
US10800939B2 Methods for preparation of concentrated graphene ink compositions and related composite materials
A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
US10800936B2 Ink film constructions
An ink film construction including: (a) a printing substrate; and (b) at least one ink film, fixedly adhered to a top surface of the printing substrate, the ink film having an upper film surface distal to the top surface of the substrate, wherein a surface concentration of nitrogen at the upper film surface exceeds a bulk concentration of nitrogen within the film, the bulk concentration measured at a depth of at least 30 nanometers below the upper film surface, and wherein a ratio of the surface concentration to the bulk concentration is at least 1.1 to 1.
US10800935B2 Non-sparking metallic inks and articles printed with me
Described herein are metallic pigment-containing inks having a magnitude of exotherm <1200 J/g, or no observable exotherm at all. Also described are metallic pigment-containing inks that include 9.0 wt % or less nitrocellulose resin, or which are essentially free of nitrocellulose resin. Further described are articles printed with the described metallic pigment-containing inks, kits including such inks (and other inks), and methods of printing with such inks. The metallic pigment-containing ink described herein reduce, if not eliminate, the tendency of inks containing metallic pigments to spark and combust.