Document Document Title
US11175799B1 Inspirational quote generation, categorization, and presentation system
An application such as a phone app that presents and categorizes inspirational cards that may include quotes and images. Cards may be organized into themes, such as “Seek”, “Scream”, “Speak”, “Strong”. Cards associated with each theme may be installed with the application. Users may generate their own cards by entering text and selecting or taking a photo. Users may bookmark certain cards as favorites. A “Today” category may present a random selection of a few cards, which users can shuffle and reselect as desired. Users may browse cards using a scrollable set of thumbnails, and they may share cards with other users using messaging services or social media services.
US11175798B2 Moving method of floating toolbar in touch display apparatus and touch display apparatus
A moving method of a floating toolbar and a touch display apparatus. The method includes: acquiring touch data on a touch screen (S1); acquiring, according to the touch data, touch position information of touch points simultaneously touched, number information of the touch points simultaneously touched and simultaneous touch duration information of the touch points simultaneously touched (S2); determining whether a number of the touch points simultaneously touched meets a first preset condition and whether a simultaneous touch duration of the touch points simultaneously touched meets a second preset condition (S3), and when both the first preset condition and the second preset condition are met, proceeding to step S4; determining a target position of the floating toolbar according to touch positions of the touch points simultaneously touched (S4); moving the floating toolbar to the target position (S5).
US11175797B2 Menu screen display method and menu screen display device
Methods and apparatus provide for acquiring menu display instructions from a user, and generating and outputting the operating system menu screens for display.
US11175795B2 Method for dynamically displaying digital content, graphical user interface and system thereof
A method for dynamically displaying digital content, graphical user interface and a system thereof are provided. The graphical user interface displays multiple points of interest (POI) indicative of links of digital contents in a non-uniform arrangement. On a browsing page, the main POIs can be represented by thumbnails of associated digital contents on the interface. A user can browse the POIs and select one of the POIs via a touch-sensitive means, so as to play the digital contents. While selecting the POI, the POI becomes a center where the other POIs move toward that forms a converging animation effect. Afterwards, the digital contents associated to the selected POI are played sequentially on a playback page. The thumbnail of the POI is refreshed since some digital contents associated to the POI have been played when closing the playback page and returning to the browsing page.
US11175789B2 Electronic apparatus and method for controlling the electronic apparatus thereof
An electronic apparatus and a controlling method thereof are provided. The electronic apparatus includes a processor configured to train a UI provided by an external device through an input/output interface and store information on the UI provided by the external device in a memory, based on an image being received from the external device through the input/output interface, identify whether a UI is included in the received image, based on a UI being included in the received image, compare the UI included in the received image with the UI provided by the external device stored in the memory and identify whether the UI provided by the external device is changed, and based on identification that the UI provided by the external device being changed, retrain the UI included in the received image and store information on the UI included in the received image in the memory.
US11175787B2 Capacitance sensing and inductance sensing in different modes
An apparatus for inductive sensing or capacitive sensing is described. The apparatus may include a signal generator to output on a first terminal a first signal in a first mode and a second signal in a second mode. The apparatus may include a charge measuring circuit to receive on a second terminal a third signal in the first mode and a fourth signal in the second mode. The third signal is representative of an inductance of a sense unit coupled between the first terminal and the second terminal. The fourth signal is representative of a capacitance of the sense unit.
US11175784B2 Touch panel driving circuit
A touch panel driving circuit is provided and includes a plurality of output circuits each outputting a driving signal, respectively; a power supply line connected to a power of the plurality of output circuits; a power supply circuit; and a resistor element that is provided in common for the plurality of output circuits and is different from a resistance of the power supply line, wherein the power of the plurality of output circuits is connected to the power supply circuit through the resistor element and the power supply line.
US11175779B1 Position refinement in a touch indicating array
In connection with a touch indicating array device, exemplary aspects concern, a method involving the device having a touch surface and an array of sensors used to indicate a rough or coarse position, when touched, via a numeric value vector. This vector's weighted values may indicate the effective touch at each of the sensor position of the touch device. The weighted values may be processed by a module which operates on the weighted values using a discrete transform for obtaining one or more harmonic's phase of the spectral representation of the sensor array values. The resultant phase value of the first harmonic, representing a spatial phase, may then be used to refine the position within the sensor array that is more accurate than the rough or course position.
US11175777B2 Detection device and display device
A detection device comprising: a plurality of first electrodes; a plurality of second electrodes facing or being close to the first electrodes; a first drive circuit configured to supply a first drive signal to the first electrodes; a second drive circuit configured to supply a second drive signal to the second electrodes, the second drive signal having a same waveform as that of the first drive signal and in synchronization with the first drive signal; and a detector configured to detect a first detection signal, a second detection signal, and a third detection signal.
US11175776B2 Electronic device including an optical sensor mounted on back surface of a display
An electronic device is provided. The electronic device includes a housing including a front surface, a rear surface opposite to the front surface, and a space between the front surface and the rear surface, a display located inside the housing and viewed through the front surface of the housing to the outside of the electronic device, a support member supporting the display by protruding from the side surface toward the inside of the housing, an optical sensor including a light emitting unit and a light receiving unit wherein the optical sensor is located on a rear surface of the display and overlaps at least one area of the display when viewed from top of the front surface; and a partition wall member formed of an elastic material wherein the partition wall member is located between the display and the optical sensor, and at least a part region of the partition wall member is located between the light emitting unit and the light receiving unit to separate the light emitting unit and the light receiving unit.
US11175772B1 Touch array substrate, touch display, and display device
The invention provides a touch array substrate, a touch display, and a display device. The touch array substrate includes a driving circuit layer, a touch layer, and a sleep state voltage equalizing connecting unit which are mutually insulated. The driving circuit layer includes driving scanning lines, odd row driving data signal lines, and even row driving data signal lines. The touch layer comprises touch scanning lines, odd row touch data signal lines, and even row touch data signal lines. In a display sleep state, the sleep state voltage equalizing connecting unit enables mutual electrical connection of the odd row driving data signal lines, the even row driving data signal lines, the odd row touch data signal lines, and the even row touch data signal lines.
US11175771B2 Handwritten data capture method and handwritten data capture device
A handwritten data capture method creates handwritten data including a plurality of pieces of stroke data that is based on writing performed on each page of a paper medium having a plurality of pages. The handwritten data capture method includes: acquiring the plurality of pieces of stroke data created based on the writing sequenced in a writing order; displaying the pieces of stroke data together on a display device; accepting an input of a break position of the pieces of stroke data; identifying a continuous portion of the pieces of stroke data based on the break position and the writing order; updating the display device to display the identified continuous portion of the pieces of stroke data in the writing order; and repeating the accepting, the identifying, and the updating until a given operation is received.
US11175767B2 Unwanted touch management in touch-sensitive devices
An optical touch-sensitive device is able to determine the locations of multiple simultaneous touch events on a surface. The optical touch-sensitive device includes multiple emitters and detectors. Each emitter produces optical beams which are received by the detectors. Touch events on the surface disturb the optical beams received by the detectors. Based on the disturbed beams, a map of the touch activity on the surface is generated. Touch characteristics and touch types for each touch event are determined from the map. By applying the touch characteristics and touch types to contextual information, a machine learned model, or a set of predefined rules, touches can be classified as wanted or unwanted touch events. Unwanted touch events may be ignored to improve user experience.
US11175765B1 Touchpad module and computing device including the same
A touchpad module includes a substrate, a touch member, a switch, an elastic element and at least four protrusion structures. The substrate includes at least four first openings. A bottom surface of the touch member faces a top surface of the substrate. The switch is coupled with the bottom surface of the touch member. When any point of the touch member is pressed down, the switch is in contact with the substrate. The elastic element includes a fixed part and a movable part. The fixed part is coupled with a portion of a bottom surface of the substrate. The movable part is arranged around the fixed part. The movable part is located beneath the at least four first openings. The at least four protrusion structures are coupled with the touch member and inserted into the corresponding first openings.
US11175763B2 Information processing apparatus, method for controlling the same, and storage medium
An information processing apparatus having a touch panel display includes a first detection unit configured to detect that an object touches the touch panel display, and a second detection unit configured to detect that the object touches an area of a display item on the touch panel display and then detect that the object moves outside the area of the display item while touching the touch panel display. When the display item is in a flick or drag operation detectable area, the information processing apparatus performs control not to carry out processing associated with the display item in response to the detection by the second detection unit.
US11175758B2 Wearable control device, virtual/augmented reality system and control method
A wearable control device for connecting with a head-mounted audio-visual device, includes: a housing including a top housing portion and a bottom housing portion arranged in parallel, wherein a gap is formed between two opposite surfaces of the top housing portion and the bottom housing portion, and tail portions of the top housing portion and the bottom housing portion are connected through a transition portion; at least one physical remote control unit disposed on a top surface of the top housing portion; and a processor disposed inside the housing and electrically connected with the physical remote control unit.
US11175756B2 Detecting a brush object with a touch sensing apparatus
A touch sensing apparatus is disclosed comprising a touch surface, and a touch sensor configured to determine a first set of coordinates on the touch surface of an object in contact with the touch surface. The touch sensing apparatus is configured to determine a virtual brush angle associated with the object, determine a movement of the object to a second set of coordinates determine an updated virtual brush angle for the object in dependence on a position of the second set of coordinates relative to the first set of coordinates, and output the second set of coordinates and the updated virtual brush angle. An associated method is also disclosed.
US11175755B1 Input system and input method
An input system according to one aspect of the present disclosure comprises an electronic pen having a pen tip; and an electronic device configured to detect a pointed position of the electronic pen based on a detection signal received pursuant to an approach by the pen tip toward the electronic device. The electronic device includes: a planar sensor configured to acquire the detection signal; a flexible cover provided above the planar sensor and exposed to the outside; an actuator configured to displace the cover at each of multiple positions in an area defined by the planar sensor in at least a direction normal to the planar sensor; and a drive controller configured to perform drive control of the actuator so as to form local unevenness at a position of the cover corresponding to the pointed position of the electronic pen.
US11175753B2 Mouse
A mouse includes a main body, a supporting component, a stopping structure and an elastic component. The main body has a receiving chamber penetrating through one end of the main body. An upper portion of the main body is equipped with a magnetic attraction component located to a top of the receiving chamber. The supporting component is slidably arranged in the receiving chamber to be retracted into or be pulled out from the receiving chamber. A top of the supporting component is equipped with a magnetic attraction element. The stopping structure is arranged between the main body and the supporting component for limiting the supporting component from being retracted into the main body. One end of the elastic component is connected to the main body, and the other end of the elastic component is connected to the supporting component.
US11175751B2 Multi-peripheral position-based synchronous lighting
A method can include: determining a physical location of each of a plurality of peripheral devices communicatively coupled to a host computing device; generating a lighting sequence configured to activate visual output elements on the each of the plurality of peripheral devices, wherein the lighting sequence is a time based sequence that traverses the plurality of peripheral devices; and modifying a timing parameter of the lighting sequence based on the respective physical location of each of the plurality of peripheral devices. In some cases, modifying the lighting sequence can include: determining a distance between at least two of the plurality of peripheral devices and modifying the timing parameter of the sequential pattern based on the distance between the at least two of the plurality of peripheral devices.
US11175748B2 Learning support system
A learning support system includes: an electronic pen, a writing medium position instruction tool, a position detection apparatus, and a display apparatus. The electronic pen is capable of recording handwriting and transmitting a position instruction signal. The position detection apparatus determines a position of a note provided with the writing medium position instruction tool on a position detection sensor based on a placement position instruction signal from the writing medium position instruction tool, converts coordinates of coordinate information corresponding to handwriting recorded on the note by the electronic pen, and displays an image corresponding to the handwriting recorded on the note on a display terminal and a teacher terminal in a mode recorded on the note. The learning support system enables an educator to determine a situation of a learner to contribute to an increase effectiveness of learning.
US11175741B2 Frameworks, devices and methods configured for enabling gesture-based interaction between a touch/gesture controlled display and other networked devices
Described herein are frameworks, devices and methods configured for enabling display for facility information and content, in some cases via touch/gesture controlled interfaces. Embodiments of the invention have been particularly developed for allowing an operator to conveniently access a wide range of information relating to a facility via, for example, one or more wall mounted displays. While some embodiments will be described herein with particular reference to that application, it will be appreciated that the invention is not limited to such a field of use, and is applicable in broader contexts.
US11175740B2 Haptic feedback device and method for providing haptic sensation based on video
A haptic feedback device for providing haptic sensation comprises a haptic feedback interface that includes a plurality of haptic elements. The haptic feedback device detects a plurality of different motion associated with a plurality of objects in an upcoming scene of a video based on a look-ahead buffer of the video played on an external display device or the haptic feedback device. A haptic feedback is determined for the upcoming scene of the video based on the look-ahead buffer of the video and the detected plurality of different motion associated with the plurality of objects. One or more movable haptic cues are generated on the haptic feedback interface using the plurality of haptic elements in synchronization with a current scene played on the external display device or the haptic feedback device, based on the determined haptic feedback.
US11175739B2 Method and device for performing actuator control based on an actuator model
A user interface device having a haptic actuator, a sensor, a storage device, and a control circuit is presented. The sensor is configured to measure movement output by the haptic actuator. The control circuit is configured to apply a first drive signal to the haptic actuator to generate a first haptic effect, and to receive a sensor measurement that describes movement of the haptic actuator in response to the first drive signal, and to generate or update, based on the measurement, an actuator model that describes how the haptic actuator moves in response to drive signals. The control circuit is further configured to generate a second drive signal based on a desired movement for a second haptic effect and based on the actuator model, and to control the haptic actuator to generate the second haptic effect by applying the second drive signal to the haptic actuator.
US11175738B2 Systems and methods for proximity-based haptic feedback
One illustrative device disclosed herein includes a proximity sensor capable of detecting a non-contact interaction with a touch-sensitive device and outputting a first sensor signal. The device also includes a touch sensor for detecting a touch on the touch-sensitive device and outputting a second sensor signal. The disclosed device also includes a processor configured to receive the first and second sensor signals, generate a haptic output signal based at least in part on the first and second sensor signals, transmit the haptic output signal to a haptic output device. The haptic output device in the disclosed device then outputs the haptic effect.
US11175737B2 Electronic device for receiving line of sight input, method of controlling electronic device, and non-transitory computer readable medium
An electronic device comprising: a control unit performs control such that a selected position in a display is changed, wherein the control unit performs control such that the selected position is changed based on gazing at a first position in response to satisfaction of a viewed point condition corresponding to a fact that gazing at the first position at a first distance from the selected position has been performed for a first period, and the selected position is changed based on gazing at a second position in response to satisfaction of a viewed point condition corresponding to a fact that gazing at the second position at a second distance which is farther from the selected position than the first distance, has been performed for a second period shorter than the first period.
US11175736B2 Apparatus, systems and methods for using pupillometry parameters for assisted communication
The disclosed apparatus, systems and methods relate to pupillary assisted communication systems, devices and methods. A classification algorithm such as a hybrid classification algorithm is utilized to utilize at least one pupillary-response sensing device and at least one non-pupillary response sensing device to generate and process subject data to improve feedback systems and improve non-verbal communication and stimulus-response operations systems.
US11175734B1 Wrist tracking devices
A head-mountable device can be operated with devices worn on wrists, arms, hands, and/or other limbs of a user. Such devices can provide indicators that allow a head-mountable device to determine both an identity and a characteristic (e.g., position, orientation, distance, etc.) of the devices and therefore the user. The information regarding the tracking devices and/or the hands can be used to produce a virtual representation of the hands or otherwise be used to receive and interpret gestures as user input. The devices that facilitate such tracking can be worn in a variety or arrangements depending on whether the tracking is to be performed. As such, they can be compactly stored in a manner that allows them to be readily accessible for deployment.
US11175733B2 Method of view frustum detection and a corresponding system and product
An image signal indicative of the head pose of a person in a scene, as provided by a camera may be processed by estimating, as a function of the image signal received by the image sensor, the head pose of the person. A view frustum of the person may be generated from the estimated head pose. A visual frustum of attention or VFOA of the person may be generated from the view frustum. From the visual frustum, a predicted movement trajectory of the person or an estimated scene attention map as a function of the visual frustum of attention, preferably by identifying in the attention map at least one object to be controlled may be generated.
US11175727B2 Viewing a three-dimensional information space through a display screen
A method is provided, including the following operations: capturing images of an interactive environment by an image capture device; analyzing the captured images to track motion of a user's head in the interactive environment; providing a view through a display screen of a three-dimensional (3-D) information space, wherein the view of the 3-D information space is defined from a perspective that is determined by the tracked motion of the user's head in the interactive environment, the perspective being dynamically updated in response to the motion of the user's head; wherein the 3-D information space includes a plurality of predefined content regions that are configured to present respectively assigned visual content, the content regions being visually accessible through the display screen based on the provided view of the 3-D information space.
US11175726B2 Gesture actions for interface elements
A user interface (UI) enables a user to access a set of options relating to an element of the UI by contacting a region of a touchscreen, or hovering a feature over the region, associated with that element. Upon contacting or hovering for at least a determined period of time, an arranged set of options is displayed and the user can swipe or move the feature in a specified direction to select a specific option. The options can be the same for each instance of a type of item. When a user learns the direction of one of these options, the user does not have to contact or hover long enough to bring up the menu, but can contact or hover long enough to indicate the element of interest and then perform the appropriate motion, which can cause the action to be performed without first displaying the menu.
US11175723B2 System and method of power mode management for a processor
A system and method of power mode management for a processor providing safe and robust transitioning between normal and low power modes to meet low current requirements and to ensure accurate power mode transition communications. A two step process includes receiving a digital code, starting a standby entry timer, and receiving a low power request indication before timeout of the standby entry timer to ensure a valid request, and otherwise resetting upon timer timeout. A watchdog timer ensures that a maximum standby duration is not exceeded. An acknowledge timer ensures valid communication between modules of a power management IC. Memory elements ensure and maintain valid states of reset and safe state pins during standby. Self tests are performed in which test failure prevents transition to the low power mode. A power good indication ensures the processor that the supply voltages are suitable for both low power and normal operation.
US11175720B2 Power control device, computer system, and power control method thereof
A power control device for a computer system includes a detecting module, configured to detect an open/close state of a display device to generate an open/close signal; and a controller, coupled to the detecting module and coupled to a power supply device through a system management bus, configured to generate an enabling signal to conduct or block a power source of the computer system provided by the power supply device, and to wake up the power supply device, which is in a power saving mode, according to the open/close signal.
US11175718B2 Mobile device-based radar system for applying different power modes to a multi-mode interface
This document describes techniques and systems that enable a mobile device-based radar system for applying different power modes to a multi-mode interface. The techniques and systems include a user device having a radar system, and an interaction manager. The radar system generates a radar field, provides radar data, and operates at one of various different radar-power states. The user device analyzes the radar data to detect a presence or movement of a user within the radar field. Responsive to the detection, the radar system changes from a first radar-power state to a second radar-power state. Based on this change, the interaction manager selects a power mode, for a multi-mode interface, that corresponds to the second radar-power state, and applies the selected power mode to the multi-mode interface to provide a corresponding display via a display device.
US11175715B2 Method of supplying electric power to a computer system
A method of supplying electric power to a computer system compliant with specification provided by the OCP is provided. The method includes: a PLU setting an OCP_V3_EN signal to a high level so as to make the computer system operate in a first mode; a BMC obtaining card data from an OCP card when the computer system operates in the first mode; the BMC determining whether standby power provided by a PSU in the first mode is sufficient according to the card data; and when it is determined that the standby power is not sufficient, the BMC controlling the PLU to make the computer system operate in a second mode requiring more electric power, and to then control the PSU to provide main power that is greater than the standby power to the OCP card.
US11175712B2 Controlling operating voltage of a processor
In an embodiment, a processor includes a core domain with a plurality of cores and a power controller having a first logic to receive a first request to increase an operating voltage of a first core of the core domain to a second voltage, to instruct a voltage regulator to increase the operating voltage to an interim voltage, and to thereafter instruct the voltage regulator to increase the operating voltage to the second voltage. Other embodiments are described and claimed.
US11175708B2 Thermal simulation for management controller development projects
Certain aspects direct to systems and methods for platform simulation for development projects of a management controller, such as a baseboard management controller (BMC). The management controller stores a firmware module and a simulator module. The firmware module is supposed to receive thermal output signals from cooling zones of a computing device. The simulator module is a software implemented module used to simulate the cooling zones, by generating the thermal output signals of the cooling zones based on configuration data stored in a data store, and sending the simulated thermal output signals to the firmware module for development and testing purposes.
US11175704B2 On-demand torque engagement mechanism for second display adjustability
Technologies for a hinge for a dual-screen clamshell computing device include a hinge having a drive shaft and a driven shaft. The drive shaft is fixed to a member such as a secondary display housing of the computing device. The driven shaft is rotatably coupled to another member such as a base housing of the computing device. The hinge includes a one-way needle bearing fixed to the same member as the driven shaft. The driven shaft passes through the one-way needle bearing, which allows free rotation of the driven shaft in one direction and prevents rotation of the driven shaft in the other direction. The hinge includes a coupling joint that selectively couples the drive shaft and the driven shaft. The computing device includes a trigger that is operable to selectively engage and disengage the coupling joint of the hinge. Other embodiments are described and claimed.
US11175700B1 Electronic devices with adjustable-appearance housing structures
An electronic device may have a display for displaying images. The display may be coupled to a housing on a front face of the device. The housing may have a transparent portion on an opposing rear face of the device. The electronic device may have structures with an adjustable appearance. The adjustable-appearance structures may include a mask with openings or other mask elements and a corresponding overlapped patterned layer containing an array of visual elements. The visual elements may have different appearances, so that movement of the mask relative to the patterned layer changes the appearance of the adjustable-appearance structures. The state of the adjustable-appearance structure may be changed during use of the device by a user or may be adjusted then fixed during manufacturing.
US11175697B2 Display apparatus
A display apparatus includes a substrate having a display area with a display device to display an image, and a non-display area around the display area. The non-display area has a bending area bent about a bending axis. An encapsulation layer is located over the display area. A touchscreen layer is located over the encapsulation layer and includes a touch electrode. A touch wire is connected to the touch electrode, and extends from an upper portion of the encapsulation layer, and at least partially into the bending area. A fan-out wire configured to apply an electric signal to the display area and is at least partially disposed in the bending area. The touch wire and the fan-out wire are on different layers from each other in the bending area.
US11175691B1 Power-optimized ranging sequence by snapshot clock switching
A method for optimizing power of a ranging sequence includes counting at least one cycle of a first clock during a Crystal Oscillator (XO)-mode to generate a first cycle count. A second clock is activated at an end of the XO-mode. The first cycle count is converted into a fractional correction value by multiplying the first cycle count by a ratio of a second period of the second clock divided by a first period of the first clock. A first alignment of the first clock to the second clock is determined at a beginning of the XO-mode. A second alignment of the first clock to the second clock is determined at the end of the XO-mode. An adjusted cycle count is determined by summating the fractional correction value with a summation of the first alignment and the second alignment divided by the first period.
US11175689B2 System and method of early turnaround indication for a D-PHY communication interface
A communication system including a physical layer circuit, a timer circuit, and a turnaround controller. The physical layer circuit provides an early turnaround indication upon detection of a turnaround command and before completion of the turnaround command. The timer circuit is programmed with a timeout value indicative of a maximum time of a turnaround procedure initiated by the turnaround command. The turnaround controller starts the timer circuit in response to the early turnaround indication. A transmit controller may begin retrieving information to transmit from a memory in response to the early turnaround indication, and may begin transmitting the retrieved information if the turnaround procedure completes before timeout of the timer circuit. The retrieved information may be configuration information for a sensor. The turnaround controller provides an error indication if the timer circuit times out indicating a turnaround error. The error indication enables remedial action to be taken.
US11175688B2 Reciprocating pedals with dual-levered cam for asymmetric reciprocation
A lift truck employs forward and reverse pedals connected through respective cams having different upper and lower cam profiles that engage to provide asymmetric reciprocal pedal motion. For example, first pedal depression causes a first cam upper profile to engage with a second cam upper profile and cause increased elevation of a second pedal, and first pedal depression causes a first cam lower profile to disengage with a second cam lower profile associated with the second pedal, such that first pedal depression is greater than the increased elevation of the second pedal.
US11175687B2 Managing electric vehicle loads on a home network
Systems and methods for managing a home electrical network or system, such as managing loads applied to the network by one or more associated electric vehicles, are described. For example, the systems and methods predict or estimate use of a home electrical network (e.g., via a charging station connected to the network) by one or more electric vehicles, and manage use or operation of other devices on the home network accordingly.
US11175686B2 Low-temperature drift ultra-low-power linear regulator
A low-temperature drift ultra-low-power linear regulator includes eight PMOS transistors, two resistors, two capacitors and three NMOS transistors. The eight PMOS transistors include PMOS transistor PM1 to PMOS transistor PM8. The two resistors include resistor R1 and resistor R2. The two capacitors include capacitor C1 and capacitor C2. The three NMOS transistors include NMOS transistor NM1, NMOS transistor NM2 and NMOS transistor NM3. From right to left, the linear regulator includes a PTAT voltage core starting circuit, a PTAT voltage core circuit, a negative temperature characteristic generating circuit and a driver stage closed-loop control circuit. PM5-PM8 form a feedback circuit. The feedback circuit clamps the current flowing through PM6 to be proportional to PM2 to obtain a temperature-stable output voltage, and can dynamically adjust the gate voltage of PM5 according to the change of load current to output different currents according to the load demand.
US11175681B2 Smart pressure relief valve
A device including: a sensor for monitoring a pressure of a fluid system to produce pressure signals over a period; and a controller configured for: receiving the pressure signals over the period; establishing an operating pressure zone corresponding to the pressure signals over the period, the operating pressure zone is representative of a normal operation zone of the fluid system, the normal operation zone defined by an area bounded by a low pressure level and high pressure level, wherein the high pressure level is disposed at a level at least at a maximum pressure of the pressure signals over the period and the low pressure level is disposed at a level at most at a minimum pressure of the pressure signals over the period.
US11175674B2 Systems and methods for robotic garbage container delivery
A robotic drive system can be attached to a garbage container. A computing device can be configured to determine a travel path for the robotic drive system to travel to a location designated for garbage pickup. The computing device can be configured to cause the robotic drive system to move to be proximate to a location designated for garbage pickup.
US11175673B2 Drive assist apparatus
A drive assist apparatus includes an electronic control unit configured to: acquire space availability information that indicates whether each of a plurality of parking spaces in a parking lot is an occupied space or a vacant space; and set at least one of a speed of a vehicle that moves in the parking lot and a moving route of the vehicle based on the space availability information.
US11175672B2 Autonomous moving system, autonomous moving body, charging dock, control method, and program
An autonomous moving body includes: a driven body including a carriage capable of moving autonomously; a battery; a first communication unit capable of communicating with a charging dock; and a first arithmetic processing unit for executing first arithmetic processing related to the drive of the driven body among arithmetic processings of the autonomous moving body. A charging dock includes: a charger for charging the battery; a second communication unit capable of communicating with the autonomous moving body; and a second arithmetic processing unit for executing second arithmetic processing other than the first arithmetic processing among the arithmetic processings of the autonomous moving body. The second communication unit is configured to be able to receive arithmetic data used for the second arithmetic processing from the first communication unit, and to transmit a processing result of the second arithmetic processing executed by the second arithmetic processing unit to the first communication unit.
US11175668B2 Navigation method and apparatus, and terminal device
The embodiment of the present invention provides a navigation method and apparatus, and a terminal device, relating to the technical field of navigation, and for reducing or avoiding the impact of network delay on real-time obstacle detection and avoidance. The method includes: detecting an obstacle to obtain first obstacle information; obtaining scene information and sending the scene information to a remote server, so that the remote server obtains second obstacle information according to the scene information, wherein the accuracy of the second obstacle information is greater than the accuracy of the first obstacle information; and if the second obstacle information sent by the remote server is not received, avoiding the obstacle according to the first obstacle information. The embodiment of the present invention is applied to navigation.
US11175666B2 Arranging passenger pickups for autonomous vehicles
Aspects of the disclosure relate to arranging a pickup between a driverless vehicle and a passenger. For instance, dispatch instructions dispatching the vehicle to a predetermined pickup area in order to pick up the passenger are received by the vehicle which begins maneuvering to the predetermined pickup area. While doing so, the vehicle receives from the passenger's client computing device the device's location. An indication that the passenger is interested in a fly-by pickup is identified. The fly-by pickup allows the passenger to safely enter the vehicle at a location outside of the predetermined pickup area and prior to the one or more processors have maneuvered the vehicle to the predetermined pickup area. The vehicle determines that the fly-by pickup is appropriate based on at least the location of the client computing device and the indication, and based on the determination, maneuvers itself in order to attempt the fly-by pickup.
US11175662B2 Travel plan correction device and travel plan correction method
It is an object of the present invention to correct a travel plan of a vehicle so as to cause a self-vehicle to move to a relative position with lower travel risk. A travel plan correction device in accordance with the present invention includes a risk calculation section setting unit for setting a risk calculation section, a risk calculation unit for calculating a travel risk value, on the basis of a relative position between a target area and a surrounding vehicle and travel control information of the surrounding vehicle, a risk reduction section extraction unit for extracting a section whose travel risk value is lower than that at a traveling spot, out of the risk calculation section, as a risk reduction section, and a travel plan correction unit for correcting the travel plan so as to cause the self-vehicle to move to the risk reduction section.
US11175661B2 Vehicle traveling control device and vehicle traveling control method
In the vehicle traveling control device, a host vehicle location specification unit specifies a host vehicle location on a map. A first peripheral information detector detects a location of a planimetric feature or characteristics of a road in a periphery of the host vehicle on the basis of map data and the host vehicle location on the map specified by the host vehicle location specification unit. A second peripheral information detector detects a location of a planimetric feature or characteristics of a road in the periphery of the host vehicle on the basis of information acquired by a camera, a sensor, or a road-vehicle communication device mounted on the host vehicle. When the detection result from the first peripheral information detector and the detection result from the second peripheral information detector do not coincide, an automatic driving restriction unit restricts performance of automatic driving of the host vehicle.
US11175660B1 Autonomous vehicle control assessment and selection
A computer-implemented method for operating an autonomous or semi-autonomous vehicle may include identifying a vehicle operator and retrieving an associated vehicle operator profile. Operating data regarding operation of the autonomous or semi-autonomous vehicle may be received that includes data from sensors disposed within the vehicle. When a request to enable an autonomous operation feature is received, (i) autonomous operation risk levels associated with vehicle operation by the autonomous operation feature based upon the received operating data, and (ii) operator risk levels associated with vehicle operation by the vehicle operator based upon the vehicle operator profile are determined. Autonomous operation feature enablement may be allowed based upon a comparison of (i) autonomous operation risk levels with (ii) operator risk levels. As a result, only safe autonomous feature engagement may be facilitated, and risk averse vehicle owners may receive insurance discounts based upon this safe autonomous feature engagement functionality.
US11175656B2 Supervisory control of vehicles
Among other things, a command is received expressing an objective for operation of a vehicle within a denominated travel segment of a planned travel route. The objective spans a time series of (for example, is expressed at a higher or more abstract level than) control inputs that are to be delivered to one or more of the brake, accelerator, steering, or other operational actuator of the vehicle. The command is expressed to cause operation of the vehicle along a selected man-made travel structure of the denominated travel segment. A feasible manner of operation of the vehicle is determined to effect the command. A succession of control inputs is generated to one or more of the brake, accelerator, steering or other operational actuator of the vehicle in accordance with the determined feasible manner of operation.
US11175652B2 Real-time detection and visualization of potential impairments in under-floor appliances
A method, computer system, and a computer program product for predictive maintenance is provided. The present invention may include recording, using an autonomous robot moving along a surface through a plurality of positions in a room, a plurality of data associated with an under-floor appliance provided beneath the surface of the room. The present invention may also include calculating, based on the recorded plurality of data associated with the under-floor appliance provided beneath the surface of the room, a material composition associated with the plurality of positions in the room. The present invention may further include generating, based on the calculated material composition associated with the plurality of positions in the room, a layout diagram for visualizing a layout of the under-floor appliance provided beneath the surface of the room.
US11175650B2 Product knitting systems and methods
The systems and methods provide an action recognition and analytics tool for use in manufacturing, health care services, shipping, retailing and other similar contexts. Machine learning action recognition can be utilized to determine cycles, processes, actions, sequences, objects and or the like in one or more sensor streams. The sensor streams can include, but are not limited to, one or more video sensor frames, thermal sensor frames, infrared sensor frames, and or three-dimensional depth frames. The analytics tool can provide for kitting products, including real time verification of packing or unpacking by action and image recognition.
US11175643B2 Rich contextualization of automation data
A method of operating an intelligent programmable logic controller (PLC) as part of a production process within an automation system includes the intelligent PLC receiving automation system data and a semantic context model comprising a plurality of ontologies providing formal specifications of conceptual entities associated with the automation system. The intelligent PLC creates one or more semantic annotations for the automation system data using the semantic context model. These semantic annotations are stored along with the automation system data in a non-volatile storage medium included in the intelligent PLC.
US11175638B2 Self-diagnostic electrical circuit
A self-diagnostic circuit includes an electrical conductor configured to multiplex, a first switch interposing the electrical conductor, and a first module crossing the first switch. The first module includes a first receptor antenna associated with the conductor on one side of the first switch, a first emitter antenna associated with the conductor on an opposite side of the first switch, and a first interfacing microprocessor. The first interfacing microprocessor is configured to receive no signal from the first receptor antenna when the first switch is open thus generating a first open signal and a first address signal indicative of the first module and outputting the first open signal and the first address signal to the conductor via the first emitter antenna. The first interfacing microprocessor is further configured to receive a first induced frequency signal from the first receptor antenna when the first switch is closed thus generating a first closed signal and the first address signal indicative of the first module and outputting the first closed signal and the first address signal to the conductor via the first emitter antenna.
US11175636B2 Satellite radio wave receiving device, electronic timepiece, method, and non-transitory computer-readable storage medium
A satellite radio wave receiving device including: one or more controllers configured to: continually perform calculation of a current location based on radio waves from positioning satellites received by a receiver; determine whether an action state of the satellite radio wave receiving device detected by an action detection sensor has changed to a stop state; in response to determining that the action state of the satellite radio wave receiving device has changed to the stop state, interrupt the calculation of the current location by causing the receiver to interrupt reception of the radio waves; and cause an output device to perform an interruption notification operation for notifying that the calculation of the current location is being interrupted.
US11175635B2 Wearable electronic device
A wearable electronic device includes a body having a first battery and a port electrically connected to the first battery, a band having a connector and a set of first conductors electrically connected to the connector, and a belt having at least one second battery, a set of second conductors and an input port electrically connected to the second battery. The band is connected to the port via the connector so as to be electrically connected to the body. The belt may removably attach to an outer surface of the band, and the second battery may transmit power to the first battery by combining the two sets of conductors. When the belt is removed, the power consumed by the second battery is replenished by an external power source connected to the input port, mastering the information at any time.
US11175625B2 Method and an imaging system for holographic imaging
Example embodiments relate to methods and imaging systems for holographic imaging. One embodiment includes a method for holographic imaging of an object. The method includes driving a laser using a current which is below a threshold current of the laser. The method also includes illuminating the object using illumination light output by the laser. Further, the method includes detecting an interference pattern formed by object light, having interacted with the object, and reference light of the illumination light.
US11175624B2 Process cartridge and image forming apparatus
Control to drive and stop developing roller is effected. A cartridge includes a drive transmission member movable between a transmitting position capable of transmitting the driving force toward a developing roller and a blocking position capable of blocking the transmission of the driving force to the developing roller.
US11175621B2 Replaceable units of an electrophotographic image forming device having a shipping or storage separator
A toner cartridge according to one embodiment includes a body having a reservoir for storing toner and a rotatable developer roll mounted on the body and in fluid communication with the reservoir. A portion of an outer surface of the developer roll is exposed along a front of the body for supplying toner from the reservoir to a corresponding photoconductive drum on an imaging unit when the toner cartridge is installed on the imaging unit in an operative position of the toner cartridge relative to the imaging unit. A first engagement member positioned on a rear of the body is configured to engage a corresponding second engagement member on the imaging unit when the toner cartridge is installed on the imaging unit to retain the toner cartridge in a storage position of the toner cartridge relative to the imaging unit with the developer roll spaced away from the photoconductive drum.
US11175618B2 Unlocking consumables from printing devices based on comparisons of values extracted from storage devices
In an example, a method includes extracting a static value and a dynamic value from a computer readable storage device mounted on a consumable that is locked in a printing device. Based at least in part on a comparison of the static value to the dynamic value, it is determined that the consumable should be unlocked to facilitate removal of the consumable from the printing device. A signal is then sent to a drive mechanism with which the consumable is engaged. The signal instructs the drive mechanism to take an action that unlocks the consumable.
US11175616B2 Image forming apparatus
An image forming apparatus includes: a cover; a power supply that supplies a drive system supply voltage and a control system supply voltage in an operating mode, and that supplies the control system supply voltage without supplying the drive system supply voltage in a power saving mode; an interlock switch including a first terminal that receives the drive system supply voltage, a second terminal that receives the control system supply voltage, and a third terminal connected to a line for supplying the drive system supply voltage to an image forming portion, the interlock switch connecting the first and third terminals when the cover is closed, and connecting the second and third terminals when the cover is open; and a detector that, when the control system supply voltage is applied to the line in the power saving mode, stores information indicating that the cover has been opened.
US11175614B2 Image forming apparatus that controls a fixing temperature of a toner cartridge
According to one example, an image forming apparatus includes a detection unit that detects temperature information on a temperature of a toner stored in a toner cartridge, an image forming unit that forms a toner image on a sheet with the toner supplied from the toner cartridge, a fixing unit that fixes the toner image formed on the sheet by the image forming unit, and a control unit that controls a fixing temperature in the fixing unit according to the temperature information detected by the detection unit and an accumulated time in which the temperature information is detected.
US11175612B2 Image forming apparatus
An image forming apparatus includes an image forming portion, a rotatable intermediary transfer belt, a plurality of stretching rollers, an outer roller, a moving mechanism, and a controller. In a case that a basis weight of a first recording material is a first basis weight and a basis weight of a second recording material is a second basis weight greater than the first basis weight, a position of the inner roller is a second position when the toner image is transferred onto the second recording material, and in a case that the basis weight of the first recording material and the basis weight of the second recording material are the second basis weight, the position of the inner roller is a first position when the toner image is transferred onto the second recording material.
US11175610B2 Image forming apparatus
An image forming apparatus includes a plurality of image bearers and a rotatable transferor. Images borne on the plurality of image bearers are transferred to the transferor. The transferor has an elastic power larger than an elastic power of each of the plurality of image bearers, and a difference in elastic power between the transferor and a most upstream image bearer in a rotation direction of the transferor is smaller than a difference in elastic power between the transferor and any other image bearer except the most upstream image bearer of the plurality of image bearers.
US11175604B1 Image forming apparatus and storage device
According to one embodiment, an image forming apparatus includes a storage portion, a first electrode, a second electrode, a measuring unit, a detected portion, an image forming unit, and a controller. The storage portion stores a recording material. The measuring unit measures a change of capacitance between the first electrode and the second electrode. The detected portion is located inside the storage portion and is capable of moving so that at least one of a distance to the first electrode and a distance to the second electrode changes. The image forming unit forms an image with the recording material. The controller controls supplying of the recording material to the storage portion in response to the change of the capacitance measured by the measuring unit.
US11175603B1 Image forming apparatus
According to one embodiment, the image forming apparatus includes a storage unit, an image forming unit, a first electrode, a second electrode, a to-be-detected unit, a moving unit, a measuring unit, and a processor. The storage unit stores a recording material. The image forming unit forms an image with the recording material supplied from the storage unit. The to-be-detected unit is in the storage unit and is movable so that at least one of the distance to the first electrode and the distance to the second electrode changes. The moving unit moves the to-be-detected unit in the storage unit. The measuring unit measures the capacitance between the first electrode and the second electrode. The processor controls the image forming unit based on the abnormality detected based on the capacitance.
US11175594B2 Method of unloading an object from a support table
A method of unloading an object from a support table, the object clamped to the support table during an exposure process by: applying a first pressure to a central region of the support table under a central portion of the object; and applying a second pressure to a peripheral region of the support table under a peripheral portion of the object, wherein during clamping the first pressure and the second pressure are controlled such that liquid is retained between the object and a seal member that is positioned radially between the central region and the peripheral region at an upper surface of the support table and protrudes towards the object, the method including: increasing the first pressure towards ambient pressure; removing at least some of the liquid retained between the object and the seal member by decreasing the second pressure; and increasing the second pressure towards the ambient pressure.
US11175593B2 Alignment sensor apparatus for process sensitivity compensation
An alignment sensor apparatus includes an illumination system, a first optical system, a second optical system, a detector system, and a processor. The illumination system is configured to transmit an illumination beam along an illumination path. The first optical system is configured to transmit the illumination beam toward a diffraction target on a substrate. The second optical system includes a first polarizing optic configured to separate and transmit an irradiance distribution. The detector system is configured to measure a center of gravity of the diffraction target based on the irradiance distribution outputted from a first polarization branch and a second polarization branch. The processor is configured to measure a shift in the center of gravity of the diffraction target caused by an asymmetry variation in the diffraction target and determine a sensor response function of the alignment sensor apparatus based on the center of gravity shift.
US11175591B2 Method of obtaining measurements, apparatus for performing a process step, and metrology apparatus
Measurements are obtained from locations across a substrate before or after performing a lithographic process step. Examples of such measurements include alignment measurements made prior to applying a pattern to the substrate, and measurements of a performance parameter such as overlay, after a pattern has been applied. A set of measurement locations is selected from among all possible measurement locations. At least a subset of the selected measurement locations are selected dynamically, in response to measurements obtained using a preliminary selection of measurement locations. Preliminary measurements of height can be used to select measurement locations for alignment. In another aspect, outlier measurements are detected based on supplementary data such as height measurements or historic data.
US11175590B2 Low dose charged particle metrology system
Systems and methods for conducting critical dimension metrology are disclosed. According to certain embodiments, a charged particle beam apparatus generates a beam for imaging a first area and a second area. Measurements are acquired corresponding to a first feature in the first area, and measurements are acquired corresponding to a second feature in the second area. The first area and the second area are at separate locations on a sample. A combined measurement is calculated based on the measurements of the first feature and the measurements of the second feature.
US11175588B2 Additive manufacturing apparatus
An additive manufacturing apparatus is adapted to produce a solid object from a liquid resin and includes a vat, a lifting platform, an optical pickup head, and a planar scanning module mounted with the optical pickup head and operable to move the optical pickup head on a two-dimensional plane. The optical pickup head includes a focusing unit that has a first laser source for producing a laser beam, at least one first objective lens, and a first collimator lens disposed between the first laser source and the at least one first objective lens, such that the laser beam passes through the first collimator lens and the at least one first objective lens to strike and cure the liquid resin during movement of the lifting platform away from the vat.
US11175585B2 Treatment liquid and treatment liquid housing body
An object of the present invention is to provide a treatment liquid which is capable of suppressing the generation of defects of a semiconductor device and has excellent corrosion resistance and wettability. The treatment liquid of the present invention is a treatment liquid for a semiconductor device, containing at least one organic solvent selected from the group consisting of ethers, ketones, and lactones, water, and a metal component including at least one metal element selected from the group consisting of Na, K, Ca, Fe, Cu, Mg, Mn, Li, Al, Cr, Ni, Ti, and Zn, in which the content of water in the treatment liquid is 100 ppb by mass to 100 ppm by mass and the content of the metal component in the treatment liquid is 10 ppq by mass to 10 ppb by mass.
US11175583B2 Silicon-containing resist underlayer film-forming composition having phenyl group-containing chromophore
The present invention provides a resist underlayer film-forming composition for lithography for forming a resist underlayer film that can be used as a hard mask with use of hydrolysis-condensation product of a hydrolyzable silane which also absorbs KrF laser. A resist underlayer film-forming composition for lithography comprising, as a silane, a hydrolyzable silane, a hydrolysis product thereof, or a hydrolysis-condensation product thereof, wherein the hydrolyzable silane includes a hydrolyzable silane of Formula (1): R1aR2bSi(R3)4−(a+b)  Formula (1) [where R1 is an organic group of Formula (2): and is bonded to a silicon atom through a Si—C bond; R3 is an alkoxy group, an acyloxy group, or a halogen group; a is an integer of 1; b is an integer of 0 to 2; and a+b is an integer of 1 to 3], and a ratio of sulfur atoms to silicon atoms is 7% by mole or more in the whole of the silane. A resist underlayer film obtained by applying the resist underlayer film-forming composition onto a semiconductor substrate and baking it.
US11175580B2 Resist composition and patterning process
A resist composition comprising a base polymer and an acid generator containing a sulfonium salt having an iodized benzene ring offers a high sensitivity, minimal LWR and improved CDU independent of whether it is of positive or negative tone.
US11175578B2 Light source system and projection system using the same
Provided is a light source system, including: a light emitting device configured to provide first and second light emitted in time sequence; and a light splitting system including: a light splitting device configured to split first light into first and second primary light and split second light into two paths of third primary light, in such a manner that first and second primary light exit respectively along first and second optical paths in a first time-sequence, first primary light exits along the second optical path and second primary light exits along the first optical path in a second time-sequence, and two paths of third primary light exit respectively along the first and second optical paths in a third time-sequence; and at least two light channels respectively disposed on the first and second optical paths. Each light channel is used for first to third primary light to exit in time sequence.
US11175573B2 Light source device and projector
A light source device includes: a fluorescent rod that contains a fluorescent substance; at least one light-guide element including a first end face, a second end face having a smaller area than that of the first end face, and a side surface portion that reflects incident light from the first end face to condense on the second end face, the second end face being optically joined to a surface of the fluorescent rod except for the emission surface; a plurality of excitation light sources arranged to face the first end face of the light-guide element; and a dichroic film provided on the surface of the fluorescent rod expect for the emission surface and having the properties of transmitting excitation light and reflecting fluorescent light.
US11175570B2 Mount for an image capturing device
A mount for an image capturing device comprising a fixed frame, and a support frame arranged to support an image capturing device. The support frame is attached to the frame by a pivot joint defining a pivot axis for the support frame relative to the fixed frame, and an adjustment joint for adjusting a pivot position for the support frame comprising a first element forming a first contact surface, and a second element forming a second contact surface. The first element is arranged to be moved along a linear axis that traverses the pivot axis and that extends trough a plane of the contact surfaces. At least one of the contact surfaces is curved. The first and second elements are arranged to be magnetically connected during abutment. A system and method for adjustment are also disclosed.
US11175564B2 Image capturing apparatus
An image capturing apparatus includes an electronic viewfinder unit configured to move between a stored state stored in a main body and a projecting state projecting from the main body, wherein the electronic viewfinder unit is held to be able to turn in the projecting state and is held not to be able to turn in the stored state.
US11175556B2 Color film substrate, and display panel and preparation method for display panel
A color film substrate, and a display panel and a preparation method for the display panel. The color film substrate (10) comprises a first crimping region (1-1) and a color region (1-2), the color region (1-2) is provided with a common electrode 13, the common electrode 13 is connected to a lead wire of an external driving circuit board in the first crimping region by means of a first signal line. The display panel comprises an array substrate (20) provided opposite to the color film substrate (10); the array substrate comprises a display region (2-2) and a second crimping region (2-1); and the display region (2-2) is an array formed by multiple thin film transistors, and the second crimping region (2-1) is a region where a signal line on the array substrate (20) is crimped to the lead wire of the external driving circuit board.
US11175553B2 Circuit substrate and display device
A circuit substrate has a first area and a second area. The second area includes a rounded corner region and a first rectangular region connected to the rounded corner region. The first rectangular region extends along a second direction. The circuit substrate includes: a plurality of gate lines disposed in the first area, and a gate driver on array (GOA) circuit disposed in the second area. The GOA circuit including at least one GOA unit disposed in the rounded corner region and a GOA unit disposed in the first rectangular region. Along the first direction, a length of a GOA unit in the rounded corner region is less than a length of the GOA unit in the first rectangular region; and along the second direction, a width of the GOA unit in the rounded corner region is greater than a width of the GOA unit in the first rectangular region.
US11175549B2 Display substrate, display panel and display device
Disclosed are a display substrate, a display panel, a display device. The display substrate includes pixel units on a substrate in form of array, gate lines in one-to-one correspondence to each row of pixel units, data lines between any two adjacent columns of pixel units and on sides, far away from the substrate, of gate lines, each pixel unit includes a pixel electrode, a thin film transistor configured to control the pixel electrode; each data line includes curved data line parts between any two pixel units, whose row directions are adjacent to each other, in two columns of pixel units on two sides of data line; each data line part includes a first part covered by a pixel electrode of pixel unit on one side of the data line part, a second part covered by a pixel electrode of pixel unit on the other side of the data line part.
US11175546B2 Liquid crystal display device
A liquid crystal display device comprising a TFT substrate having pixels each including a common electrode formed on an organic passivation film, an interlayer insulating film formed so as to cover the common electrode, a pixel electrode having a slit and formed on the interlayer insulating film, a through-hole formed in the organic passivation film and the interlayer insulating film, and a source electrode electrically conducted to the pixel electrode via the through-hole. A taper angle at a depth of D/2 of the through-hole is equal to or more than 50 degrees. The pixel electrode covers part of a side wall of the through-hole but does not cover the remaining part of the side wall of the through-hole. This configuration facilitates the alignment film material to flow into the through-hole, thereby solving a thickness unevenness of the alignment film in vicinity of the through-hole.
US11175545B2 Liquid crystal display
A liquid crystal display according to an exemplary embodiment of the present disclosure includes: a gate line, a data line, and a compensation voltage line disposed on an insulation substrate; a first passivation layer disposed on the gate line, the data line, and the compensation voltage line; a pixel electrode connected to the gate line and the data line, and a compensation electrode connected to the compensation voltage line, disposed on the first passivation layer; and a common electrode formed on the first passivation layer, wherein the compensation electrode overlaps at least a portion of the data line, and the compensation voltage line is formed with the same layer as the data line.
US11175541B2 Display substrate and preparation method therefor, display panel and display device
A display substrate and a preparation method therefor, a display panel and a display device. The display substrate includes a plurality of pixel regions arranged in an array. The display substrate includes: a base; pixel electrodes provided on the base and located in the pixel regions; separation columns provided on the base and located between two adjacent pixel regions in the row direction, side surfaces of the separation columns having hydrophobic characteristics; and an alignment film provided on the pixel electrodes and located in the pixel regions, where edges of two opposite sides of the alignment film in the row direction are in contact with a side surface of the separation columns, and a surface of the alignment film on a side facing away from the base has a shape of gradually protruding from both sides toward the middle in the row direction.
US11175539B1 Liquid alignment device
The present invention provides a liquid alignment device including: a stage configured to carry a liquid crystal display panel, wherein in the liquid crystal display panel a first substrate is placed on the stage; a curing light source configured to irradiate the first substrate; a probe configured to provide the first substrate with a voltage. The present invention employs a color resist layer disposed in a second substrate of the liquid crystal display panel to solve the issue that during liquid alignment the second substrate must be disposed on a lower place and the first substrate must be disposed on an upper place to prevent efficiency of the liquid alignment.
US11175536B2 LC-based optical display system
An optically active structure and a display device are presented. The device utilized an optically active structure comprising liquid crystal material and a plurality of nanorods configured to emit light in one or more predetermined ranges in response to pumping light. Variation in orientation of the liquid crystal varies orientation of the nanorods and modulated light emission therefrom.
US11175534B1 Liquid crystal display module, display device, and fabricating method thereof
A liquid crystal display module, a display device, and a fabricating method thereof are provided. The liquid crystal display module has: a first substrate having a first display portion and a first bending portion; a second substrate having a second display portion, a second bending portion, and a binding portion, wherein an edge of the binding portion exceeds an edge of the first bending portion; a packaging unit; a first circuit board connected to the binding portion by the package unit; and the backlight module.
US11175532B2 Light-emitting device, display apparatus, and lighting apparatus
Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
US11175531B2 Light guide film, backlight unit and display device
Provided are a light guide film, a backlight unit, and a display device. Light guide portions are disposed in holes of a reflection plate on which light sources are disposed, and a light guide film is directly disposed on the reflection plate and the light guide portions to provide a light guiding function and a light shielding function. Therefore, a method of facilitating implementation of a backlight unit with a small thickness, which satisfies image quality is provided. Further, each of the light shielding patterns has different reflectances in different areas, thereby increasing the amount of light supplied to an area between light sources. Therefore, a backlight unit with a reduced number of light sources and improved image quality may be provided.
US11175528B2 Color filter substrate, display panel, and display device
A color filter substrate, a display panel and a display device are provided. The color filter substrate includes a common electrode layer and an upper transparent substrate disposed over the common electrode layer. The common electrode layer is provided with a plurality of slits, and orthographic projections of the slits on the upper glass substrate are within an opaque region of the color filter substrate. Orthographic projections of slits in two adjacent rows on the upper transparent substrate are separated by at least two rows of sub-pixel units; or orthographic projections of slits in two adjacent columns on the upper transparent substrate are separated by at least two columns of sub-pixel units.
US11175526B2 Image generating device comprising a thermal contact zone, and associated head-up display
The invention relates to an image generating device (20) comprising:—at least one light source (23),—a screen (21) designed to be backlit by said light source, and—a reflector (25) arranged between said light source and screen and designed to reflect at least some of the light emitted by the light source. According to the invention, the reflector defines a housing (280) designed to receive the screen such that the reflector has a zone (290) of thermal contact with the screen. The invention also relates to a head-up display comprising an image generating device of this type.
US11175524B2 Method for fabricating curved display device
Provided is a method of manufacturing a curved display device, wherein a tape automated bonding (TAB) tape, which includes a base film, a driving chip formed at an upper portion of the base film, a plurality of one-side outer leads formed to bond an output terminal of the driving chip and a terminal of a liquid crystal display (LCD) substrate by an outer lead bonding (OLB) method, and a plurality of the other-side outer leads formed to bond an input terminal of the driving chip and a terminal of a printed circuit board, is designed so that from the end of the OLB bonding part to the part at which the film begins to bend is greater than or equal to the longitudinal length (E) of the driving chip ((4F−D/2)≥E).
US11175521B2 Drive schemes for transparent tunable optical elements
A transparent optical element includes a primary electrode, a secondary electrode overlapping at least a portion of the primary electrode, an electroactive layer disposed between and abutting the primary electrode and the secondary electrode, and a control system operably coupled to at least one of the primary electrode and the secondary electrode and adapted to provide a drive signal to actuate the electroactive layer within an aperture of the transparent optical element.
US11175520B2 Optical semiconductor device and method for manufacturing the same
An optical semiconductor device includes a semiconductor substrate, a first semiconductor layer provided on the semiconductor substrate, and a mesa waveguide provided on the principal surface of the first semiconductor layer. The semiconductor device also includes a buried layer covering the upper surface of the first semiconductor layer. Part of the upper surface of the first semiconductor layer is exposed. A mesa structure provided at the boundary between a part of the first semiconductor layer is covered with the buried layer and a part of the first semiconductor layer is exposed. One side of the mesa structure is covered with the buried layer, and the other side is exposed. The optical semiconductor device can reduce the generation of stress in the buried layer, for example, to suppress the occurrence of cracks in the buried layer and enhance the reliability.
US11175519B2 Structure of goggles
A structure includes a goggles body including rim sections and temple sections, an imaging device arranged between the rim sections, light-emitting elements arranged on an outer edge of the rim sections, and an electricity supply element, a control module, a storage device, and a data transmission device arranged in the temple sections. A server host device is also included. The server host device includes a wireless transmission module, a recognition processing module, and a driving processing element. As such, a surgeon may wear the goggles body in a surgical operation to acquire supplemented lighting in the eyesight range and a function of recording the entire process of the surgical operation. The surgeon may take a motion of a predetermined hand gesture to issue a control instruction corresponding thereto in order to execute the control instruction on a medical device to allow the surgeon to control hardware necessary for the operation.
US11175513B2 Display apparatuses and methods employing waveguides and opacity masks
A display apparatus including means for detecting user's gaze direction; first light source; second light source; configuration (108, 208, 306) of reflective elements to split light to create copies of second image; optical waveguides whose outlets are arranged in tiled layout; opacity masks arranged at inlets of waveguides; and processor. Input image is processed to generate first and second images. Processor is configured to: display first and second images; and for optical waveguides, control respective opacity masks to block respective copies of second image or selectively allow portions of respective copies of second image to pass through towards inlets of waveguides. Light from first light source is optically combined with light exiting outlets of waveguides, to produce output image.
US11175512B2 Diffractive projection apparatus
A light projection apparatus is provided comprising: a source of light; a switchable grating on a first substrate; and a diffractive optical element. Light is diffracted at least once by the switchable grating and is diffracted at least once by the DOE.
US11175511B2 Field-of-view stitched waveguide display
A waveguide display includes a substrate transparent to visible light and a projector configured to generate display light for an image, where the display light includes display light for a first field of view (FOV) of the image and display light for a second FOV of the image. The waveguide display also includes a first input coupler configured to couple the display light for the first FOV into the substrate, a first set of gratings configured to couple the display light for the first FOV out of the substrate at a first two-dimensional array of locations of the substrate, a second input coupler configured to couple the display light for the second FOV into the substrate, and a second set of gratings configured to couple the display light for the second FOV out of the substrate at a second two-dimensional array of locations of the substrate.
US11175510B2 Image projection system
An image projection system according to the present disclosure includes a projection optical system and an eyepiece optical system. The projection optical system projects an image. The eyepiece optical system is configured separately from the projection optical system and is to be mounted on a head of a viewer. The eyepiece optical system includes at least one holographic element. The eyepiece optical system guides projection light from the projection optical system to a pupil of the viewer. The holographic element deflects first-order diffracted light toward the pupil of the viewer, and has a positive focal length for the first-order diffracted light. At a time of viewing of the image, the projection light enters the eyepiece optical system at an angle that is equal to or larger than θ expressed by the following expression, θ=arctan((3.5+M)/f) where a focal length of the eyepiece optical system for the projection light is “f” [mm], and a maximum effective radius in an upper-lower direction with respect to the pupil of the viewer for the first-order diffracted light of the holographic element is “M” [mm].
US11175509B2 Tuned waveguides
The description relate to devices, such as augmented reality and/or virtual reality devices that employ optical waveguides. On example includes a first optical waveguide configured to receive light at an incidence angle and a second optical waveguide positioned in a non-parallel relation to the first optical waveguide. The second optical waveguide can be configured to receive the light through the first optical waveguide at a first location at the incidence angle, transmit the light within the second optical waveguide, and output the light from a second location back toward the first optical waveguide at the incidence angle.
US11175508B2 Display device with varifocal optical assembly
A varifocal optical assembly includes a plurality of optical elements configured to transmit light in successive optical stages. Each respective optical stage of the successive optical stages includes at least one respective optical element of the plurality of optical elements and is configurable to be in one of a first state and a second state. The respective optical stage in the first state has a first respective optical power for light of a first polarization and a second respective optical power for light of a second polarization. The respective optical stage in the second state has a third optical power for light of the first polarization and a fourth optical power for light of the second polarization. The optical power of varifocal optical assembly is adjustable by changing the states of one or more of the successive optical stages.
US11175507B2 Polarization-sensitive components in optical systems for large pupil acceptance angles
A near eye display (NED) includes an electronic display configured to output image light. Further, the NED includes an eye tracking module and multiple optical elements that are combined to form an optical system to allow for changes in position of one or both eyes of a user of the NED. Various types of such optical elements, which may have optical states that are switchable, may be used to steer a light beam toward the user's eye. A direction of the steering may be based on eye tracking information measured by the eye tracking module.
US11175506B2 Systems, devices, and methods for waveguide-based eyebox expansion in wearable heads-up displays
Systems, devices, and methods for eyebox expansion in wearable heads-up displays (“WHUDs”) are described. The WHUDs described herein each include a projector and an optical waveguide positioned in an optical path between the projector and an eye of the user. For any given light signal from the projector, the optical waveguide receives the light signal at an input coupler and outputs multiple instances or copies of the light signal from multiple discrete, spatially-separated output couplers. The multiple instances or copies of the light signal may be converged by the optical waveguide directly to respective exit pupils at the user's eye or may be routed by the optical waveguide to a holographic combiner in the user's field of view from which the light signals may be converged to respective exit pupils at the user's eye. The optical waveguide employs exit pupil replication to expand the eyebox of the WHUD.
US11175503B2 Optical system for head-mounted display
A head-mounted display may include a display system and a lens system in a housing. The head-mounted display may include control circuitry that operates the head-mounted display in an active use mode and a protected mode. In the protected mode, the display system may be protected from collisions with the lens system. Placing the head-mounted display in the protected mode may include using an actuator to increase the distance between the display system and the lens system, may include injecting fluid between the display system and the lens system, and/or may include deploying a protective layer between the display system and the lens system. The control circuitry may determine whether to operate the head-mounted display in protected mode or active use mode based on sensor data, on/off status information, location information, and/or other information.
US11175499B2 Scanning-type display device, scanning-type display system, and method for manufacturing light-diffusing part
A scanning-type display device includes: a light source which emits projection-display laser light; an optical scanning unit which uses the laser light emitted from the light source in scanning; and a light diffusion unit which includes a plurality of light diffusion channels arranged in two dimensions and diffuses the laser light used in scanning by the optical scanning unit. The light diffusion unit is configured so that an angle formed by optical paths extending to an eye of an observer through a pair of adjacent light diffusion channels arbitrarily selected from among the plurality of light diffusion channels becomes equal to or larger than an angle set on the basis of a resolution angle of the eye.
US11175495B2 Vortex optical isolator
An optical apparatus and method of using same. The optical apparatus includes a vortex optical isolator including an axis. The vortex optical isolator includes a first amplitude mask defining a first limiting aperture and aligned with the axis. The first limiting aperture includes a first radius. The vortex optical isolator includes a first lens aligned with the axis. The vortex optical isolator includes a vortex phase mask aligned with the axis. The vortex optical isolator includes a second lens aligned with the axis. The vortex optical isolator includes a second amplitude mask defining a second limiting aperture aligned with the axis. The second limiting aperture includes a second radius sufficiently smaller than the first radius so as to block reverse light traveling through the optical apparatus. The apparatus includes a standard light source configured to transmit forward light through the vortex optical isolator.
US11175488B2 Mobile microscope assembly
A microscope assembly can be used during microbiological processes. The microscope assembly includes a lens assembly for magnified imaging of an object range in an imaging plane along an optical path; a sample receiving unit for a sample arranged in the object range; and a camera receiving unit for receiving a camera in a range of the imaging plane the camera adapted to generate a digital image of the sample; where the lens assembly is a ball lens, a halved ball lens, or a lens in the form of a rotational spheroid; and the camera receiving unit is adapted to receive a customary mobile end device equipped with a camera or a camera cooperating with a mobile end device.
US11175487B2 Optical distortion reduction in projection systems
Techniques are disclosed for optical distortion reduction in projection systems for scanning projection and/or lithography. A projection system includes an illumination system configured to generate illumination radiation for generating an image of an object to be projected onto an image plane of the projection system. The illumination system includes a field omitting illumination condenser configured to receive the illumination radiation from a radiation source and provide a patterned illumination radiation beam to generate the image of the object, wherein the patterned illumination radiation beam comprises an omitted illumination portion corresponding to a ridge line of a roof prism disposed within an optical path of the projection system.
US11175481B2 Camera optical lens comprising six lenses of −+++−+ or −+++−− refractive powers
The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies the following conditions: −3≤f1/f≤−1; v3≥60; 1.7≤n5≤2.2; 0.03≥d3/TTL≥0.058. The camera optical lens has the advantage of high performance and satisfies the design requirement of low TTL.
US11175479B2 Optical lens
An optical lens in order from an object side to an image-forming side includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. An object-side surface of the first lens has a curvature radius R1, an image-side surface of the first lens has a curvature radius R2, an object-side surface of the third lens has a curvature radius R5, an image-side surface of the third lens has a curvature radius R6, an image-side surface of the seventh lens has an inflection point, a distance between the inflection point and an optical axis is h14, and the seventh lens has a radius H14. The optical lens satisfies at least one of the following conditions: 0.01≤|R2/R1|; |R2/R1|≤0.6; 0≤|R5/R6|; |R5/R6|≤2; 0.3≤|h14/H14|; and |h14/H14|≤0.9.
US11175476B2 Adjustable mirror assembly for a boat
An adjustable mirror assembly includes a mirror having a reflective surface. The adjustable mirror assembly may include a first locking mechanism configured to lock a support in a finite number of discrete positions. The support may be movable between a lowered position and a raised position. The mirror may be pivotally mounted to the support and may be configured to pivot about a second pivot axis to orient the reflective surface of the mirror in an aft-facing direction in both the lowered position and the raised position.
US11175475B2 Multiple-lens camera system
A multiple-lens camera system is provided, including a first lens driving module, a second lens driving module, and a shielding member. The first and second lens driving modules respectively include a frame, a lens holder movably disposed in the frame for holding a lens, a magnetic element disposed on a side of the lens holder and a driving board, wherein the driving board has a first coil corresponding to the magnetic element, to generate a magnetic force for moving the lens holder and the lens relative to the driving board. The shielding member is disposed in the first lens driving module and between the two magnetic elements of the first and second lens driving modules which are adjacent to each other, to suppress magnetic interference between the first and second lens driving modules.
US11175474B2 Lens barrel
A lens barrel includes a plurality of lens moving frames configured to move in an optical axis direction, a drive unit provided to each of the plurality of lens moving frames and configured to move a corresponding one of the plurality of lens moving frames in the optical axis direction, an iris unit configured to move in an integrated manner with a first lens moving frame among the plurality of lens moving frames, and a flexible printed circuit board connected to the iris unit, wherein the flexible printed circuit board is disposed on one side of sides divided by a plane passing through an optical axis, and the drive unit is disposed on other side of the sides divided by the plane passing through the optical axis.
US11175473B2 Camera accessory mount
An interchangeable lens is removably attached to a camera body including a body-side mount, an image sensor, body-side terminals and a first to fourth body-side claws. The interchangeable lens includes the lens-side mount, lens-side terminals which are in contact with body-side terminals, a first to fourth lens-side claws engaged with the first to fourth body-side claws once the interchangeable lens is attached to the camera body. The first and third lens-side claws are disposed on a third lens-side line intersecting with the first lens-side line at an optical axis with approximately 45 degrees. The first lens-side line passes through a center between opposite ends of the first lens-side claw to the optical axis. The second and fourth lens-side claws are disposed on a fourth lens-side line orthogonal to the third lens-side line at the optical axis.
US11175472B2 Three-dimensional dynamic adjustment and locking mechanism
Disclosed is a three-dimensional adjustment mechanism for performing precise adjustment of an optical element in a high-resolution imaging system. The three-dimensional adjustment mechanism includes three elastic adjustment members uniformly distributed to conduct an axial displacement adjustment and a tilt adjustment of the optical element. The three elastic adjustment members are uniformly arranged at a bottom of the optical element, and configured to perform dynamic adjustment for the optical element with high precision on basis of deformations of the elastic adjustment members.
US11175471B2 Predefined cylindrical enclosure for optical waveguide cable
The present disclosure provides an optical waveguide cable. The optical waveguide cable includes one or more optical waveguide bands positioned substantially along a longitudinal axis of the optical waveguide cable. Further, the optical waveguide cable includes a plurality of cylindrical enclosure substantially concentric to the longitudinal axis of the optical waveguide cable. The plurality of cylindrical enclosure includes a predefined cylindrical enclosure. Furthermore, the one or more optical waveguide bands include a plurality of light transmission elements. Moreover, the density of the predefined cylindrical enclosure is at most 0.935 gram per cubic centimeter. Also, the optical waveguide cable has a waveguide area factor about 44%. The one or more optical waveguide bands are coupled longitudinally with the predefined cylindrical enclosure. The predefined cylindrical enclosure is at a predefined diagonal distance of about 0.9 millimeter from the one or more optical waveguide bands.
US11175467B2 Fluid detection panel
A fluid detection panel is disclosed. The fluid detection panel includes a microfluidic substrate, an optical unit and a sensor. The microfluidic substrate includes a sample detection area and a comparison detection area which are arranged in parallel, and the sample detection area is configured to allow a liquid sample to arrive at the sample detection area; the optical unit is configured to provide first light and to allow the first light to be incident on both of the sample detection area and the comparison detection area; and the sensor collects the first light which passes through the sample detection area and the first light which passes through the comparison detection area.
US11175466B2 Bayonet lock MPO connector
Optical fiber connectors for MT/MPO type ferrule assemblies are disclosed, having an overall connector length less than about 32 mm, for example, an overall length of about 18.5 mm for non-reinforced optical fiber cables, and an overall length of about 23.5 mm for reinforced optical fiber cables. In one embodiment, a connector comprises a ferrule assembly, and a non-slideable housing coupled to the ferrule assembly and configured to couple to an adapter corresponding to the ferrule assembly. The connector further includes a lock coupled to the housing and configured to rotate the housing so as to lock and unlock the housing from said adapter. The rotatable lock contains a recess to accept a key to unlock and lock the connector from an adapter.
US11175462B2 Split surgical laser fiber
A surgical laser tool comprises an output member that includes an output laser fiber, a probe tip, and electrical contacts. The probe tip is attached to a distal end of the output laser fiber. Electromagnetic energy transmitted through the output laser fiber is discharged through the probe tip. The electrical contacts are supported at a proximal end of the output member.
US11175461B2 Fiber alignment device with curved portions
Aspects and techniques of the present disclosure relate to a fiber alignment device that includes curved-type alignment bores. Another aspect of the present disclosure relates to methods of forming the fiber alignment device with curved-type alignment bores.
US11175458B2 Multi-fiber connector fiber-optic measurement device and method
A multi-fiber connector fiber-optic measurement device identifies a polarity type and measures an optical power of a multi-fiber connector fiber-optic patch cord. The device includes: a beam splitter that splits light from the multi-fiber connector fiber-optic patch cord into a plurality of lights; a first optical sensor that receives one of the lights split by the beam splitter and outputs a first signal according to the received light; a second optical sensor that receives another of the lights split by the beam splitter and outputs a second signal according to the received light; and a signal processor that calculates the optical power based on the first signal and identifies the polarity type based on the second signal.
US11175455B1 Gratings with variable etch heights for waveguide displays
A manufacturing system performs a deposition of an etch-compatible film over a substrate. The etch-compatible film includes a first surface and a second surface opposite to the first surface. The manufacturing system performs a partial removal of the etch-compatible film to create a surface profile on the first surface with a plurality of etch heights relative to the substrate. The manufacturing system performs a lithographic patterning of a photoresist deposited over the created profile in the etch-compatible film to obtain the plurality of etch heights and one or more duty cycles corresponding to the etch-compatible film deposited over the substrate.
US11175453B2 Photonic circuit with integrated light coupler
An integrated photonic device may include an image detector that comprises an array of pixels. The device may further include an integrated waveguide and a light coupler comprising a light receiving part optically coupled to the integrated waveguide for receiving a light signal. The light coupler may be adapted for coupling a same predetermined spectral band of the light signal to each of a plurality of pixels of the image detector. The light coupler may include a tapered portion, in which the light coupler tapers outward in a direction of propagation, and an end part comprising an elliptically shaped back reflector for reflecting light propagating along the direction of propagation back through the light coupler toward the integrated waveguide.
US11175451B2 Mechanisms for refractive index tuning semiconductor photonic devices
Embodiments include apparatuses, methods, and systems including a semiconductor photonic device having a waveguide disposed above a substrate. The waveguide has a first section including amorphous silicon with a first refractive index, and a second section including crystalline silicon with a second refractive index different from the first refractive index. The semiconductor photonic device further includes a heat element at a vicinity of the first section of the waveguide. The heat element is arranged to generate heat to transform the amorphous silicon of the first section of the waveguide to partially or completely crystallized crystalline silicon with a third refractive index. The amorphous silicon in the first section may be formed with silicon lattice defects caused by an element implanted into the first section. Other embodiments may also be described and claimed.
US11175440B2 Diffuser plate and projection-type image displaying device
The present invention provides a diffuser plate whose luminance of emission light emitted from a microlens is even in a diffusion range. The diffuser plate comprises a projection side main surface, an emission side main surface, and a fine structure having a plurality of microlens shape parts with a microlens-like shape. A numerical aperture NA of the projection light is greater than 0 and 0.140 or less. An incident angle θi formed by an optical axis of the projection light at the microlens shape part and a normal of the projection side main surface intersecting with each other is in a range of 0 to 50 degrees. At least one of the plurality of microlens shape parts emits the emission light at an emission angle θo formed by the optical axis of the emission light and the normal of the projection side main surface intersecting with each other.
US11175439B2 Transmission structure
A transmission structure includes a plurality of first transmission units and a plurality of second transmission units. A transmission phase of an electromagnetic wave of the second transmission unit is equal or similar to a transmission phase of an electromagnetic wave of the first transmission unit. A reflection phase of the electromagnetic wave of the second transmission unit is different from a reflection phase of the electromagnetic wave of the first transmission unit. The plurality of first transmission units and the plurality of second transmission units are arranged disorderly on a surface.
US11175437B1 High-performance optical absorber comprising functionalized, non-woven, CNT sheet and texturized polymer film or texturized polymer coating and manufacturing method thereof
A high-performance optical absorber includes: a texturized base layer, the base layer comprising one or more of a polymer film and a polymer coating; and a surface layer located above and immediately adjacent to the base layer, the surface layer joined to the base layer, the surface layer comprising a plasma-functionalized, non-woven carbon nanotube (CNT) sheet. A method using capillary force lamination (CFL) for manufacturing a high-performance optical absorber, includes: texturizing a base layer of the high-performance optical absorber, the base layer comprising one or more of a polymer film and a polymer coating; joining a surface layer of the high-performance optical absorber to the base layer, the surface layer comprising a non-woven carbon nanotube (CNT) sheet; wetting the joined surface layer and base layer with a solvent; drying the joined surface layer and base layer; and treating the resulting base layer with plasma, creating the high-performance optical absorber.
US11175433B2 Multi optical axis sensor
The present invention maintains sealing of the housing over a long period of time. A multiple-optical-axis photoelectric sensor (100) includes a light projector (110) and a light receiver (120) whose external forms are each formed by a housing (1) including an outer case (10) constituted by a main body case (11) and a first cap member (12), a light-transmitting plate (15), a first pressing member (20A), second pressing members (20B), a first adhesive tape (17A), and second adhesive tapes (17B). The first cap member (12) has a supporting part (12a) provided on its inner side, and an elastic member (18) is provided between the second pressing member (20B) and a portion of the light-transmitting plate (15) supported by the supporting part (12a). The light-transmitting plate (15) is pressed toward the first cap member (12) via the elastic member (18).
US11175430B1 Processing nuclear magnetic resonance signals in a downhole environment
Systems and methods of the present disclosure relate to processing nuclear magnetic resonance (NMR) data. An NMR downhole tool may include a housing, magnets disposed within the housing, an antenna extending along a circumference of the housing, and an information handling system configured to receive NMR signals via the antenna, wherein the NMR signals are based on an operating frequency, a static magnetic field B0, and a radio frequency (RF) field B1, which are defined by the antenna and the magnets. The information handling system may be further configured to project the NMR signals to a forward modeling space, and transmit vectors resulting from projecting the NMR signals to the forward modeling space.
US11175429B2 Method for detecting vessel of induction heating device to which three-phase power supply is applied
A method controls an induction heating device that is configured to operate based on a multi-phase power supply and that includes a working coil configured to heat an object and a controller configured to detect the object. The method includes: receiving voltage information related to a first input voltage and a second input voltage that are supplied by the multi-phase power supply and that have different phases from each other; selecting a reference voltage among the first input voltage and the second input voltage based on the voltage information; determining a detection time point, which corresponds to a time instant at which a detection operation is to be performed for detecting the object on the working coil, based on the reference voltage; and performing the detection operation at the detection time point.
US11175424B2 Seismic data de-blending
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for training a seismic data de-blending model. In one aspect, a method comprises: obtaining a plurality of de-blending training examples, wherein each de-blending training example defines: (i) one or more blended seismic traces, and (ii) for each blended seismic trace, a corresponding plurality of target unblended seismic traces; using the de-blending training examples to train a de-blending model having a plurality of de-blending model parameters, comprising, for each de-blending training example: processing the one or more blended seismic traces of the training example using the de-blending model to generate an output which defines, for each of the one or more blended seismic traces of the training example, a corresponding plurality of estimated unblended seismic traces; and adjusting values of the plurality of de-blending model parameters.
US11175422B2 Method and apparatus for identifying low permeable conglomerate diagenetic trap
Identifying a low permeable conglomerate diagenetic trap can be implemented according to a method that comprises: determining a first relation curve between a depth and a critical physical property of a known diagenetic trap in a target work area, and a second relation curve between a reservoir physical property of the known diagenetic trap and a designated seismic attribute; determining a third relation curve between the depth and the critical physical property in the target work area and the designated seismic attribute according to the first relation curve and the second relation curve; and performing a diagenetic trap identification of the target work area according to the third relation curve. Identification accuracy of a low permeable conglomerate diagenetic trap can thereby be improved.
US11175421B2 Device and method for mitigating cycle-skipping in full waveform inversion
Computing device, computer instructions and method for identifying seismic traces prone to cycle-skipping in a full waveform inversion method. The method includes receiving recorded seismic data recorded with seismic sensors over a subsurface of interest; selecting a model that describes the subsurface; calculating, based on the model and the recorded seismic data, estimated seismic data; and choosing a probabilistic measure that characterizes a relationship between the recorded seismic data and the estimated seismic data. The probabilistic measure includes at least one statistical function.
US11175419B2 Blast reconciliation for mines
According to an example, with respect to blast reconciliation for mines, pre blast measurement data and post blast measurement data associated with a blasting operation for a mining site may be ascertained from a pre and post blast measurer. A blast reconciliation model may be generated using existing pre blast measurement data and existing post blast measurement data, and used to analyze the ascertained pre blast measurement data and the ascertained post blast measurement data. Based on the analysis of the ascertained pre blast measurement data and the ascertained post blast measurement data, a blast material yield for the mining site may be determined as a result of the blasting operation. An alert indicative of the blast material yield may be generated.
US11175417B1 Mutli-layered neutron detector
A neutron detector including a plurality of layers of converter material and a plurality of layers of detector material. Each layer of converter material can be immediately adjacent to at least one layer of detector material and each layer of detector material can be immediately adjacent to at least one layer of converter material. The neutron detector may further include a read out integrated circuit (ROIC) that is electrically coupled to the plurality of layers of detector material. A value output by the ROIC may be indicative of a neutron interacting with a layer of converter material from amongst the plurality of layers of converter material.
US11175414B2 Satellite navigation receiver for relative positioning with bias estimation
A tracking module processes the determined correlations to track a carrier of the received composite signal for estimation of a change in phase over a time period between a receiver antenna and one or more satellite transmitters that transmit the received signal as the receiver changes position with respect to an initial position during the time period. A relative position estimator estimates the relative position of the navigation receiver with respect to an initial position over the time period time by time-differencing of the phase measurements of the one or more tracked carrier signals. Bias estimators can estimate or compensate for errors in initial position and temporal changes in receiver clock and tropospheric delay.
US11175413B2 Phase-comparison for assisting the determination of position or time
Two wireless signals are received from transmitters in different locations transmitting at different frequencies. Phase information from the two signals is gathered for use in positioning and/or timing calculations. Calibration information is preferably also gathered to support the calculations. Information about the rate of change of phase may be gathered for use in velocity and timing drift calculations. The transmitters may be stations in a wireless infrastructure network. Assistance information may be gathered and shared to support the interception of uplink/downlink signals from the stations. Also disclosed are User Equipment, Base Stations, remote supporting services, elliptic hyperbolic relationships for interpreting and using the spatial variation of the phase difference, and positioning engines for use in the system.
US11175411B2 Positioning augmentation device, positioning augmentation method, and computer readable medium
A correction generation unit generates an amount of correction for a phase pseudorange between a positioning satellite and each of a plurality of evaluation points, as an amount of evaluation point correction for each of the plurality of evaluation points, based on a carrier phase of a positioning signal observed at each of a plurality of electronic reference points. A reference calculation unit calculates a difference between the phase pseudorange between the positioning satellite and each of the plurality of evaluation points and a geometric distance between the positioning satellite and each of the plurality of evaluation points, as an amount of reference correction for each of the plurality of evaluation points. A ranging error calculation unit removes a bias component due to ambiguity from a difference between the amount of evaluation point correction and the amount of reference correction and thereby calculates a ranging error at each of the plurality of evaluation points.
US11175409B2 Real-time estimation of speed and gait characteristics using a custom estimator
In a method for accurately estimating gait characteristics of a user, first parameters indicative of user movement, including a GNSS-derived speed and step count, are monitored. Values of the first parameters are processed to determine values of second parameters indicative of movement of the user. The processing includes using values of at least one monitored parameter to generate one or more inputs to an estimator (e.g., Kalman filter) having the second parameters as estimator states. At least two of the second parameters are collectively indicative of a mapping between step frequency and step length of the user. A graphical user interface may display values of at least one of the second parameters, and/or at least one parameter derived from one or more of the second parameters.
US11175406B2 Range imaging system and solid-state imaging device
A range imaging system includes a light source unit configured to emit an irradiation light beam to an object, an imaging unit including a solid-state imaging device, and a calculation unit. The solid-state imaging device outputs an image capture signal for forming an image and an imaging signal of a light beam which is obtained when the irradiation light beam emitted is reflected by the object. The calculation unit is configured to calculate range information from the imaging signal, the range information being stored in association with the image.
US11175405B2 Spinning lidar unit with micro-optics aligned behind stationary window
Embodiments describe optical imagers that include one or more micro-optic components. Some imagers can be passive imagers that include a light detection system for receiving ambient light from a field. Some imagers can be active imagers that include a light emission system in addition to the light detection system. The light emission system can be configured to emit light into the field such that emitted light is reflected off surfaces of an object in the field and received by the light detection system. In some embodiments, the light detection system and/or the light emission system includes micro-optic components for improving operational performance.
US11175403B2 Optoelectronic sensor device and method for controlling same
A flexibly usable optoelectronic sensor device for detecting an object, comprising a receiving device for receiving light backscattered after the scattering of an emitted light beam at the object, wherein the receiving device has an array of at least two receiving elements for detecting radiation and a receiving optical unit for imaging the received radiation on the array; the array is divisible and/or divided into at least two array regions, wherein the at least two array regions correspond in each case to scatterings at objects at different distances from the monitoring region and/or different brightnesses of the received radiation, and the receiving elements respectively arranged in different array regions are settable and/or set to detect with mutually different light sensitivities.
US11175398B2 Method and apparatus for multiple 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 a plurality of raw sensor data sets from one or more sensors at a plurality of sensor inertial states, generating an estimate of each of the plurality of sensor inertial states, and while retaining each of the raw sensor data sets, generating an image, the image generated at least in part from the plurality of estimated sensor inertial states and the plurality of raw sensor data sets, and generating an updated estimate of at least one of the sensor inertial states, the updated estimate of the at least one of the sensor inertial states generated at least in part from the generated image and the plurality of estimated sensor inertial states. Finally, an enhanced image is generated from the retained raw sensor data sets and the updated estimate of the at least one of the sensor inertial states.
US11175397B2 Wireless fidelity Wi-Fi ranging method and system, and related device
Embodiments of the present invention disclose a Wi-Fi ranging method including: receiving, by a target node, a first NDP sent by a reference node and recording a first NDP receiving time of receiving the first NDP, and sending a second NDP to the reference node and recording a second NDP sending time of sending the second NDP; receiving, by the target node, a ranging response frame sent by the reference node, where the ranging response frame includes a first NDP sending time at which the reference node sends the first NDP and a second NDP receiving time at which the reference node receives the second NDP; and calculating, by the target node, a distance between the target node and the reference node based on the first NDP receiving time, the second NDP sending time, the first NDP sending time, and the second NDP receiving time.
US11175395B2 Angle only target tracking solution using a built-in range estimation
An angle only (AO) target state estimation (TSE) system and method using a mixed coordinate system (Modified Spherical Coordinate (MSC) and Reference Cartesian Coordinate (RCC)) as an integrated system. This integrated system is achieved due to the state vector information of two frames (RCC and MSC) is effectively preserved between processing cycles and state vector transformation steps. The AO TSE architecture and processing schemes are applicable to a wide class of passive sensors. The mixed coordinate system provides robust real-time slant range estimation in a bootstrap fashion, thus turning passive AO measurements into equivalent active sensor measurements with built-in recursive range information but with greatly improved the TSE accuracy meeting the miss distance required by many engagement missions.
US11175391B2 Object detection device
An ECU of an object detection device stops transmission of search waves from a plurality of ultrasonic sensors when a vehicle travels at a predetermined speed or more, and counts the frequency of receiving waves with an intensity of not less than a threshold intensity for each of the plurality of ultrasonic sensors. The ECU acquires a first count that is a count of the frequency in a first sensor that is one of the plurality of ultrasonic sensors, and a second count that is a count of the frequency in a second sensor different from the first sensor. The ECU determines that snow accretion has occurred on the first sensor if the first count is smaller than the second count, and a difference between the first count and a representative value that is set based on the second count is not less than a predetermined value.
US11175390B2 Real-time estimation of DC bias and noise power of light detection and ranging (LiDAR)
Embodiments of the disclosure provide a system for analyzing noise data for light detection and ranging (LiDAR). The system includes a communication interface configured to sequentially receive noise data of the LiDAR in time windows, at least one storage device configured to store instructions, and at least one processor configured to execute the instructions to perform operations. Exemplary operations include determining an estimated noise value of a first time window using the noise data received in the first time window and determining an instant noise value of a second time window using the noise data received in the second time window. The second time window is immediately subsequent to the first time window. The operations also include determining an estimated noise value of the second time window by aggregating the estimated noise value of the first time window and the instant noise value of the second time window.
US11175388B1 Digital coherent LiDAR with arbitrary waveforms
A LiDAR system comprising a laser source configured to output electromagnetic radiation based on an input signal and circuitry configured to supply the input signal to the laser source to control electromagnetic radiation output by the laser source, such that the laser source outputs a waveform including a plurality of output states. The laser source outputs electromagnetic radiation having a particular wavelength during the output states. Each of the plurality of output states is separated in time from neighboring output states of the plurality of output states by a time span. The particular wavelength of the electromagnetic radiation for a first output state of the plurality of output states is different from the particular wavelength of electromagnetic radiation for a second output state of the plurality of output states.
US11175387B2 Optical sensor and electronic device
An optical sensor configured to reduce a measurement time while the accuracy of the optical sensor is maintained is realized. An initial configuration circuit (19) includes a counter configured to perform counting of the number of pulse outputs from a first light-receiving unit (11) in first to nth regions obtained by dividing each cycle of a reference clock into n equal parts, determines, among the first to nth regions, a region in which a counter value is largest, and the initial configuration circuit causes a first DLL circuit (17) to perform a converging operation to the region determined.
US11175385B2 Light detection and ranging (LiDAR) system using a wavelength converter
Embodiments of the disclosure provide an apparatus for emitting laser light and a system and method for detecting laser light returned from an object. The system includes a transmitter and a receiver. The transmitter includes one or more laser sources, at least one of the laser sources configured to provide a respective native laser beam having a wavelength above 1,100 nm. The transmitter also includes a wavelength converter configured to receive the native laser beams provided by the laser sources and convert the native laser beams into a converted laser beam having a wavelength below 1,100 nm. The transmitter further includes a scanner configured to emit the converted laser beam to the object in a first direction. The receiver is configured to detect a returned laser beam having a wavelength below 1,100 nm and returned from the object in a second direction.
US11175384B2 Beam steering LADAR sensor
In one embodiment, a ladar system includes a laser transmitter with at least one semiconductor laser having a pulsed laser light output. A laser drive circuit is connected to said at least one semiconductor laser and adapted to electrically drive said at least one semiconductor laser in a predetermined sequence. A laser beam steering mechanism is adapted to scan the pulsed laser light output sequentially through the field of view.
US11175382B2 Elevation angle estimation in horizontal antenna array with doppler and velocity measurements
A vehicle, radar system of the vehicle and method of determining an elevation of an object. The radar system includes a transmitter that transmits a reference signal and a receiver that to receive at least one echo signal related to reflection of the reference signal from an object. The receiver includes an antenna array having a plurality of horizontally-spaced antenna elements. A processor determines a first uncertainty curve associated with an azimuth measurement related to the at least one echo signal, determines a second uncertainty curve associated with a Doppler measurement and a velocity measurement related to the at least one echo signal, and locates an intersection of the first uncertainty curve and the second uncertainty curve to determine the elevation of the object.
US11175381B2 Vehicle-mounted radar calibration device and method
The present invention relates to the technical field of vehicle maintenance and device calibration, and discloses a vehicle-mounted radar calibration device and method. The vehicle-mounted radar calibration device includes a bracket apparatus and a radar calibration component. The radar calibration component is configured to be installed on the bracket apparatus and includes a base board. After calibration on the vertical plane of the base board is completed, the radar calibration component is configured to reflect a radar wave, emitted by a vehicle-mounted radar of a to-be-calibrated vehicle, to the vehicle-mounted radar, to calibrate the vehicle-mounted radar. In the present invention, after the vertical plane of the base board is calibrated, the radar calibration component is used to reflect the radar wave emitted by the vehicle-mounted radar to the vehicle-mounted radar.
US11175380B2 Estimating device and estimating method
An estimating device includes: a transmission antenna; a transmission signal generator that generates a multicarrier signal; a transmitter that outputs the multicarrier signal to the transmission antenna; a reception antenna; a receiver that measures reception signals including a reflected signal which is the transmitted multicarrier signal that has been reflected or dispersed by the moving body; a complex transfer function calculator that calculates, from the measured reception signals, a plurality of complex transfer functions indicating propagation characteristics between a transmission antenna element and a reception antenna element; a moving body correlation matrix calculator that calculates, for each of subcarriers, a moving body correlation matrix from the complex transfer functions; a subcarrier integrator that integrates the moving body correlation matrices; and an estimation processor that estimates the direction or position in which the moving body is present, using the integrated moving body correlation matrix obtained by the integration.
US11175377B2 PMCW-PMCW interference mitigation
A radar system includes a transmitter, a receiver, and a processor. The transmitter is configured to transmit a radio signal. The receiver is configured to receive a radio signal which includes the transmitted radio signal reflected from an object in the environment. The processor is configured to control the transmitter and the receiver to at least one of mitigate interference in the received radio signals, and avoid interfering radio signals transmitted by another radio transmitter.
US11175376B2 System and method for determining interference in a radar system
In accordance with an embodiment, a method of operating a radar system includes activating a transmitter to transmit a radar signal during a first time period, receiving a reflection of the radar signal from a radar antenna, downconverting the reflected radar signal, and digitally processing the downconverted reflected radar signal within a first frequency bandwidth using a first signal path. The method also includes deactivating the transmitter during a second time period, receiving a second signal from the radar antenna during the second time period, downconverting the second signal, measuring a power of the downconverted second signal within a second frequency bandwidth using a second signal path different from the first signal path, and determining an interference metric based on measuring the power.
US11175374B2 Location estimation apparatus, moving object, location estimation method, and computer readable storage medium
A technology for improving a positioning precision is desired in a case where a positioning precision of a positioning signal is relatively low. A location estimation apparatus includes a sub area extraction section configured to extract one or more sub areas including at least a part of a region defined by a location and an error range indicated by positioning information, a precision parameter extraction section configured to refer to map information in which area identification information is associated with a precision parameter indicating a positioning precision and extract, with regard to each of the one or more sub areas extracted by the sub area extraction section, the precision parameter, and an output section configured to output the sub area where the positioning precision indicated by the precision parameter is equal to or worse than the positioning precision indicated by the positioning information, as a location of a moving object.
US11175371B2 Rotatable shadowband
A rotating shadowband for shading a pyranometer includes a cylindrical ring and a semicircular shadowband held within the cylindrical ring, a motor configured for rotating the shadowband, at least one solar panel, a rechargeable battery, and a controller having circuitry configured to power the first motor to rotate the semicircular shadowband. The semicircular shadowband may include a window opening, wherein the window opening substantially extends from a center of the band to a first end. The controller rotates the shadowband 0 to 360 degrees about the central axis of the cylindrical ring to alternately shade the pyranometer for making diffuse radiation measurements and expose the pyranometer to direct solar radiation for making global radiation measurements. Alternatively, the shadowband may be solid and rotate pivotally 0 to 180 degrees or 0 to 360 degrees within the cylindrical ring to alternately shade and expose a pyranometer head to and from direct sunlight respectively.
US11175370B1 Multiple long baseline interferometry geolocation
Techniques are provided for emitter geolocation. A methodology implementing the techniques according to an embodiment includes measuring phase differences between radar signals received at one or more pairs of antennas. The method also includes calculating hypothesized phase differences based on ray tracings from hypothesized emitter locations at a first set of grid points, to the antennas. The method further includes generating scores based on correlations between the measured phase differences and the hypothesized phase differences. The method further includes generating an error ellipse based on candidate grid points associated with scores that are above a threshold. The process may be repeated on a second set of grid points, bounded by the error ellipse, to generate a second set of scores. The grid point, from the second set of grid points, that is associated with the highest of the second set of scores is selected as the estimated emitter geolocation.
US11175366B2 Free-breathing MRI with motion compensation
A method for acquiring magnetic resonance imaging data with respiratory motion compensation using one or more motion signals includes acquiring a plurality of gradient-delay-corrected radial readout views of a subject using a free-breathing multi-echo pulse sequence, and sampling a plurality of data points of the gradient-delay-corrected radial readout views to yield a self-gating signal. The self-gating signal is used to determine a plurality of respiratory motion states corresponding to the plurality of gradient-delay-corrected radial readout views. The respiratory motion states are used to correct respiratory motion bias in the gradient-delay-corrected radial readout views, thereby yielding gradient-delay-corrected and motion-compensated multi-echo data. One or more images are reconstructed using the gradient-delay-corrected and motion-compensated multi-echo data.
US11175361B2 Method for performing an NMR measurement, probe arrangement for an NMR spectrometer, and NMR spectrometer arrangement
A method for performing an NMR measurement on a sample contained in a sample tube by using an NMR spectrometer includes: a) feeding a first measuring sample tube in a guiding direction to a pre-measuring area being located, in the guiding direction, before a measuring area of the NMR spectrometer, the pre-measuring area being arranged and designed for measuring a sample parameter of a sample contained in the first measuring sample tube to determine or to estimate an NMR parameter; b) feeding the first measuring sample tube in the guiding direction towards the measuring area; c) setting the NMR parameter previously determined or estimated; and d) carrying out an NMR measurement of the sample contained in the first measuring sample tube on the basis of the set NMR parameter.
US11175360B2 Magnetic resonance imaging apparatus
A magnetic resonance imaging apparatus according to an embodiment is a magnetic resonance imaging apparatus including a gradient coil unit configured to generate a gradient magnetic field in an imaging space in which a subject is placed. The gradient coil unit includes a cooling layer configured to cool the gradient coil. The cooling layer includes a first cooling pipe configured to cool the gradient coil entirely and a second cooling pipe configured to locally cool the gradient coil.
US11175359B2 Reducing voltage non-linearity in a bridge having tunneling magnetoresistance (TMR) elements
In one aspect, a magnetic field sensor includes a plurality of tunneling magnetoresistance (TMR) elements that includes a first TMR element, a second TMR element, a third TMR element and a fourth TMR element. The first and second TMR elements are connected to a voltage source and the third and fourth TMR elements are connected to ground. Each TMR element has a pillar count of more than one pillar and the pillar count is selected to reduce the angle error below 1.0°.
US11175357B2 Magnetic sensor device
A magnetic sensor device includes a magnetic field converter that receives an input magnetic field input along a first direction and outputs an output magnetic field along a second direction, which is orthogonal to the first direction. A magnetic field detector is provided at a position where the output magnetic field can be applied. A magnetic shield that blocks an external magnetic field along the second direction, is provided. The magnetic field converter has a shape in which the length in a third direction, which is orthogonal to both the first direction and the second direction, is longer than the length in the second direction, when viewed along the first direction. The magnetic shield is provided at a position overlapping with the magnetic field converter and the magnetic field detector, when viewed along the first direction.
US11175356B2 Magnetic sensor device
A magnetic sensor device includes a magnetic sensor detecting a detection-target magnetic field, and a soft magnetic structure near the sensor. In an orthogonal coordinate system having two orthogonal axes for representing an applied field strength and a magnetization-corresponding value, coordinates representing the applied field strength and the magnetization-corresponding value move along a minor loop not in contact with a major loop as the strength of an external magnetic field including the detection-target magnetic field varies within a variable range, where the applied field strength is a strength of a magnetic field applied to the soft magnetic structure, the magnetization-corresponding value is a value corresponding to magnetization of the soft magnetic structure, and the major loop is, among loops traced by a path of the coordinates as the applied field strength is varied, a loop that is the largest in terms of area of the region enclosed by the loop.
US11175353B2 Position sensor with compensation for magnet movement and related position sensing method
The disclosure provides a magneto resistive field sensor for detecting position in a particular direction. The sensor includes a plurality of magneto resistive elements arranged in pairs. The elements of the same pair are arranged so that their sensitivity direction is oriented in the same direction. The elements of different pairs are oriented so that their sensitivity direction is oriented in a different direction, preferably substantially perpendicular to another pair. The magneto resistive sensors and their sensitivity directions are generally arranged in a plane, which is perpendicular to the direction of measurement of the device. The elements of each pair are arranged in series between two nodes so as to form a bridge circuit. As such, movement of the magnet in the first plane causes a substantially equal change in the elements of each pair, thereby compensating for this movement in the output signal.
US11175343B2 Method and device for estimating remaining available energy of a power battery
A method and device for estimating remaining available energy of a power battery is provided. The method includes: estimating, under current state, maximum available energy of a first cell with minimum State of Charge (SOC), and maximum available energy of a second cell with minimum of maximum available capability in the power battery; estimating remaining available energy of the first cell based on its maximum available energy and SOC, and estimating remaining available energy of the second cell based on its maximum available energy and SOC; and estimating the remaining available energy of the power battery based on the number of cells included in the power battery and the smaller one of the remaining available energy between the first and the second cell.
US11175342B2 Monitoring device, monitoring system, and monitoring method
In order to determine a monitoring circuit having a leak current equal to or more than a predetermined reference, the monitoring device 20 includes the determination unit 13 that determines whether a leak current of a specific monitoring circuit 11, among a plurality of monitoring circuits 11 that are driven using electric power stored in two or more battery units 10 associated as a monitoring target, is equal to or more than a first reference using: a comparison result of comparison between a proportion of the specific monitoring circuit 11 being associated with a low-voltage battery unit having the lowest voltage value among the plurality of battery units 10 and a predetermined threshold value; and information indicating whether or not the number of low-voltage battery units associated with the specific monitoring circuit 11 is 2 or more.
US11175337B2 Over-the-air measurement system
An over-the-air measurement system for performing over-the-air measurements on a device under test is described. The measurement system comprises a measurement device having several measurement antennas, several waveguides, wherein at least one waveguide is assigned to each measurement antenna, several waveguide-to-cable adapters, and a positioning unit assigned to the measurement antennas. The number of the waveguide-to-cable adapters is at least identical to the number of the measurement antennas. The positioning unit is configured to move the measurement antennas with respect to the waveguide-to-cable adapters.
US11175334B2 Method and device for calculating household appliance faults
The present disclosure discloses a method for counting faults of household appliances and belongs to the field of fault processing of household appliances. The method includes: acquiring operating parameter information of a plurality of household appliances, where the plurality of household appliances being equipped with preset parts; acquiring fault information of at least one faulty household appliance in the plurality of household appliances, where the fault information includes fault codes; and determining a fault of the faulty household appliance and a fault rate of the plurality of household appliances corresponding to the fault according to the operating parameter information and the fault codes. In addition, the present disclosure further provides a device for counting faults of household appliances. The method or the device according to the present disclosure can be adopted to count the fault rates of the plurality of household appliances equipped with preset parts.
US11175327B2 Radiated emission measurement method and radiated emission measurement system
A radiated emission measurement method includes a prescan measurement step of performing broadband measurement including detection of a peak and detection of a quasi-peak by one fast Fourier transform in a target measurement frequency range; a calculation step of calculating a difference in level between the peak and the quasi-peak obtained for a measurement frequency to be a candidate for a result of measurement; a determination step of determining whether the obtained difference is less than a reference value; and an output step of outputting a result obtained as an interference level of the radiated emission in the broadband measurement when it is determined that the difference is less than reference value, and performing narrowband measurement and outputting the obtained result as the interference level of the radiated emission, when it is determined that the difference is equal to or higher than the reference value.
US11175320B2 System and method for electrical power and/or energy metering on multiple channels
A system (10) for power and/or energy consumption metering on an AC powerline network (1) supplying a plurality of channels (C1, C2, . . . , Cn) with a respective electrical load (L1, L2, . . . , Ln), comprising: A central unit (11) connected to the AC powerline network (1), comprising a single central voltmeter (110) supplied by a power supply unit (112); A plurality of clamped-on units (12), distributed over each channel (C1, C2, . . . , Cn) to be measured, each clamped-on unit (12) being clipped around existing cables, and comprising a current transformer (120) in order to measure current values The plurality of clamped-on units (12) are connected to the central unit (11) for data transmission and synchronization, and for power supply by the power supply unit (112).
US11175318B2 Overcurrent detector for a multi-channel level shifter module
An overcurrent detector for multiple level shifter circuits includes an overcurrent detecting circuit that senses currents acquired through level shifter circuits, and that outputs an indication signal indicating occurrence of overcurrent when one of the currents sensed thereby is greater than a predefined current level.
US11175315B2 Crossarm insulator pin auxiliary mounted passive all fiber electro-optical current sensor
A device for installing an all fiber optoelectrical transducer on the base of a pin insulator column, such that the device mounts to the insulator pin column in a bushing style of concentric attachment and enables retrofits of said device to existing transmission & distribution bushing insulator equipment. A rigid and solid mechanical support region contains a hollow bushing attachment point at a center location, and radiates outward and bonds solidly and statically to a hollow toroidal conduit, which houses optical wave guides, terminating at auxiliary connection ports, located on the exterior of the hollow toroidal conduit region, while hollow conduit support arms extend from the exterior conduit ring to a power conductor region, and integrate with optical connection ports located on static support stands, where the optical ports interface with a detachable and flexible fiber loop transducer, which surrounds an energized power conductor.
US11175314B2 Multimeter with a meter probe module and phasing probe module capable of wireless communication and taking measurements proximally
The invention involves a multimeter with a meter probe module and phasing probe module capable of wireless communication, proximity measurements, and accurately reading phase degrees. The meter probe module and the phasing probe module can communicate wirelessly, via a wired cable interface, or any combination thereof. The meter probe module and phasing probe module have unique radio frequency serial numbers that allow the probe modules to only communicate with its paired partner probe module while ignoring all other probe modules. The multimeter has a measurement point capable of taking direct contact measurements. The multimeter also has a measurement point capable of taking a voltage measurement without directly contacting the object to be measured. This is accomplished by taking voltage readings from the electric field of the air surrounding said object. The improved multimeter may allow an operator to more safely gather accurate information about an object being measured.
US11175313B1 Thin-film probe card and test module thereof
A thin-film probe card and a test module thereof are provided. The test module includes a carrying unit, a plurality of vertical probes fixed in position by the carrying unit, an elastic cushion disposed on the carrying unit, and a thin sheet. The thin sheet includes a carrier partially disposed on the elastic cushion, a plurality of signal circuits disposed on the carrier, and a plurality of electrically conductive protrusions that are respectively formed on the signal circuits. An end of the vertical probes is arranged at an inner side of the electrically conductive protrusions and is coplanar with free ends of the electrically conductive protrusions.
US11175310B2 Method for upgrading an automatic testing system
A method for upgrading an automatic testing system includes electrically connecting at least one pogo pin attaching device to an expansion instrument and a pogo pin of a pogo pin interface of the automatic testing system wherein the pogo pin attaching device comprises at least one metal attaching member and at least one cable, each of said at least one cable having two opposite ends, a first end electrically connected to the metal attaching member and a second end electrically connected to the expansion instrument, and the metal attaching member attaches to the pogo pin. In response to operating the automatic testing system, electrically connecting the pogo pin to a subject so that a measurement path is established between the subject and the expansion instrument through the pogo pin attaching device, wherein the measurement path is configured to connect signals for upgrading the automatic testing system.
US11175308B2 Chip carrier exchanging device and atomic force microscopy apparatus having same
A chip carrier exchanging device receives a used chip carrier from a head of a scanning probe microscope that performs measurement by using the chip carrier configured such that a measurement means is attached to a carrier made of a magnetic material, and the chip carrier exchanging device supplies a new chip carrier to the head. The chip carrier exchanging device includes: a permanent magnet; a magnetism flow connecting unit made of a magnetic material that allow magnetism to flow therethrough, the magnetism flow connecting unit being configured to fix the chip carrier by exerting a magnetic effect on the carrier; and a drive unit configured to operate the permanent magnet to change magnetic force between the carrier and the magnetism flow connecting unit.
US11175306B2 Atomic force microscopy apparatus, methods, and applications
Atomic force microscopy apparatus and method that enable observing charge generation transients with nanometer spatial resolution and nanosecond to picosecond time resolution, the timescale relevant for studying photo-generated charges in the world's highest efficiency photovoltaic films. The AFM apparatus includes an AFM, a light source for illumination of a sample operatively coupled to the AFM, a voltage source operatively coupled to the AFM, and a control circuitry operatively coupled to the light source and the voltage source. The AFM apparatus improves the time resolution and enables rapid acquisition of photocapacitance transients in a wide array of solar-energy-harvesting materials.
US11175301B2 Automatic analyzer and reagent bottle loading method
An automatic analyzer includes: a reagent mounting unit 103 in which a plurality of reagent bottles 10 are installed when a reagent bottle 10 is loaded into the automatic analyzer; a reagent conveying mechanism 101 including a gripper mechanism 106; and a reagent mounting mechanism 102 for moving the reagent mounting unit 103 between an installation position at which an operator installs the reagent bottle 10 in the reagent mounting unit 103 and a position at which the gripper mechanism 106 grips the reagent bottle 10. It is thereby possible to achieve saving of a mechanism installation space and reduction of the number of constituent components, automatically carry out an operation from opening of the reagent bottle to loading of the reagent bottle into the reagent disk, and alleviate an operator's burden.
US11175299B2 Automated transport unit and system
Described is an automated transport unit for use in a laboratory environment the automated transport unit comprising a drive mechanism for moving the automated transport unit, a control system for controlling operation of the automated transport unit, a power supply for powering the automated transport unit, and a storage compartment configured to hold a material obtained from a fluid storage vessel and/or to be delivered to a fluid storage vessel. Also described is a system comprising an automated transport unit and a fluid storage vessel.
US11175296B2 Methods of diagnosing and treating cancer comprising ME1
The present disclosure provides a method of determining treatment for cancer comprising identifying the absence of malic enzyme 1 (ME1) and treating with an inducer of ferroptosis.
US11175295B2 Antibodies and methods for the detection of cell death
Disclosed herein are antibodies having binding specificity to the amino acid sequences Ala Ser Ser Gly Leu Thr Val Glu Val Asp (SEQ ID NO:1) and Thr Val Glu Val Asp (SEQ ID NO:14), and methods of detecting cell death in a sample, comprising contacting the sample with a first antibody specific for a C-terminal amino acid sequence Ala Ser Ser Gly Leu Thr Val Glu Val Asp (SEQ ID NO:1) or Thr Val Glu Val Asp (SEQ ID NO:14) of a CK18 protein fragment having a C-terminal amino acid sequence of Val Glu Val Asp (SEQ ID NO:2) and a second antibody that specifically binds an epitope that is present in both full-length CK18 and the CK18 protein fragment, and that does not overlap with SEQ ID NO:1 or SEQ ID NO:14, under conditions such that the CK18 protein fragment present in the sample specifically binds to the first antibody and the second antibody, wherein one of the antibodies is bound to a solid support and the other antibody is bound to a detection moiety capable of producing a signal; optionally removing any unbound or excess material; and detecting the signal from the detection moiety, wherein the signal is positively correlated with the presence of the CK18 protein fragment in the sample.
US11175293B1 Rapid assay for detection of SARS-CoV-2 antibodies
Described herein are diagnostic and control fusion protein reagents and methods for use thereof in simple rapid and inexpensive hemagglutinin assays for the detection of subject antibodies directed to the SARS-CoV-2 virus.
US11175292B2 Anti-human hemoglobin monoclonal antibody or antibody kit, insoluble carrier particle to which anti-human hemoglobin monoclonal antibody is immobilized, and measurement reagent and measurement method using same
The present invention provides an anti-human hemoglobin monoclonal antibody or an antibody kit for specifically detecting and measuring a hemoglobin-haptoglobin complex in a sample with ease, and an insoluble carrier particle to which the monoclonal antibody is immobilized, and a measurement reagent and a measurement method for specifically detecting and measuring a hemoglobin-haptoglobin complex in a sample using the same. The anti-human hemoglobin monoclonal antibody of the present invention does not react to free hemoglobin or free haptoglobin which is not formed in a complex, but specifically reacts to a hemoglobin-haptoglobin complex when the antibody is immobilized to an insoluble carrier particle and used.
US11175291B2 Signatures and determinants for diagnosing infections and methods of use thereof
Antibiotics (Abx) are the worlds most misused drugs. Antibiotics misuse occurs when the drug is administered in case of a non-bacterial infection (such as a viral infection) for which it is ineffective. Overall, it is estimated that 40-70% of the worldwide Abx courses are mis-prescribed. The financial and health consequences of Abx over-prescription include the direct cost of the drugs, as well as the indirect costs of their side effects, which are estimated at >$15 billion annually. Furthermore, over-prescription directly causes the emergence of Abx-resistant strains of bacteria, which are recognized as one of the major threats to public health today. This generates an immediate need for reliable diagnostics to assist physicians in correct Abx prescription, especially at the point-of-care (POC) where most Abx are prescribed. Accordingly, some aspects of the present invention provide methods using biomarkers for rapidly detecting the source of infection and administrating the appropriate treatment.
US11175290B2 Senescent cell biomarkers
The invention relates to senescent cell biomarkers and the uses thereof. The invention also extends to methods and kits for detecting senescence, and drug conjugates and pharmaceutical compositions for killing senescent cells.
US11175287B2 Biometric device and means for electronic storage and retrieval of biometric data
A biometric device, comprising a solid support suitable for receiving biological material and for dry storing that material at room temperature the device further comprising a circuit including means for two way radio frequency communication and including writable data storage. A processing method for such biometric devices, the method including the steps of: a) identifying said device by means of RF communication; b) extracting at least a portion of the biological material from the solid support of the identified device; c) analysing the extracted biological material to obtain biometric data indicative of the biological material; and d) writing said biometric data to the data storage of the biometric device.
US11175283B2 Method for processing blood sample
A method for processing a blood sample is provided that can improve the recovery rate of deformable rare cells that would easily pass through a filter and small rare cells while reducing the filtration area of the filter, and that can recover the rare cells alive.
US11175281B2 Well plate cover with embedded electronic sensors for monitoring cell metabolism
A testing system includes a well cover portion, a sensor portion extending from the well cover portion, a sensing surface disposed on the sensor portion, a conducting wire extending through the sensor portion and contacting the sensing surface, a transducer connected to the conducting wire, and a reference electrode extending through the well cover portion.
US11175280B2 Device and method for force phenotyping of cells for high-throughput screening and analysis
A system for assaying forces applied by cells includes an optically transparent substrate comprising a soft material having a Young's modulus within the range of about 3 kPa to about 100 kPa. An array of molecular patterns is disposed on a surface of the optically transparent substrate, the molecular patterns include fluorophore-conjugated patterns adherent to cells. The system includes at least one light source configured to excite the fluorophore-conjugated patterns and an imaging device configured to capture fluorescent light emitted from the fluorophore-conjugated patterns. Dimensional changes in the size of the patterns are used to determine contractile forces imparted by cells located on the patterns.
US11175279B2 Polymer microfilters, devices comprising the same, methods of manufacturing the same, and uses thereof
A microfilter having a hydrophilic surface and suited for size-based capture and analysis of cells, such as circulating cancer cells, from whole blood and other human fluids is disclosed. The filter material is photo-definable, allowing the formation of precision pores by UV lithography. Exemplary embodiments provide a device that combines a microfilter with 3D nanotopography in culture scaffolds that mimic the 3D in vivo environment to better facilitate growth of captured cells.
US11175278B2 Bio-information estimation apparatus and bio-information estimation method
Provided is an apparatus for estimating bio-information in a non-invasive manner. According to an exemplary embodiment, the bio-information estimation apparatus includes: a spectrum measurer configured to measure a spectrum of light reflected from an object; a temperature measurer configured to measure the temperature of the object while the spectrum measurer measures the spectrum of light reflected from the object; and a processor configured to calculate a spectrum correction factor, including one or more of a correction factor of a gain, a constant, and a slope, based on the measured temperature of the object, and to adjust the measured spectrum by using the calculated correction factor.
US11175277B2 Automated profiling of the condition of wood
A device for evaluating the condition of a wooden structure, including: a shaft; a distance sensor coupled to the shaft; and an image capture device coupled to the shaft, the distance sensor being configured to measure a location of the image capture device in the wooden structure.
US11175276B2 Fabric testing hardware
A material testing apparatus comprising a frame having three or more tracks, and a plurality of mounts positioned within the three or more tracks. The mounts including an attachment mechanism to attach the mounts to a material being tested. The mounts including a force measurement elements. Some of the mounts free mounts that move in a track slot within the track, the free mounts free to move to any position within the track slot. The apparatus further comprising a data collector to collect data from the force measurement elements in the mounts when the material is placed under stress, to characterize the material.
US11175275B2 Replacement recommending device, replacement recommending method, and non-transitory storage medium storing replacement recommending program
A replacement recommending device for a lubricant in an internal combustion engine in which a liquid gasket is applied to a sealing spot includes a processing circuit configured to perform an acquisition process of acquiring temperature information regarding the lubricant in the internal combustion engine, and an output process of outputting a signal indicating that replacement of the lubricant is recommended by operating an output device when a parameter is equal to or greater than a predetermined value based on the temperature information acquired in the acquisition process, the parameter having a value that increases with an increase in a cumulative time in which a temperature of the lubricant is equal to or higher than a prescribed temperature, and the cumulative time being a cumulative time based on a time point at which the liquid gasket is applied to the sealing spot.
US11175273B1 Earth soil electrode installation and removal device
A device for the manual installation and removal of conductive sensor electrodes into and from the earth for repeated testing of soil electrical properties, utilizing a screw machine principle to drive electrodes fabricated with an auger or drill structure and with a hardware fitting at the electrode top. A user can stabilize the device with their mass while standing on the ground interface platforms, which are connected to the device with angled rigid support members, and then actuate the electrode driving mechanism with ergonomic grips attached perpendicularly to a dual moment arm lever. The device can also rotate along a single axis to drive electrodes at specific angles.
US11175272B2 Subsea gas quality analysis
Apparatus for monitoring the quality of gas in a process stream at a subsea location comprises: a container for permanent installation at the location; one or more devices for analysing gas quality, said devices being located in the container; and means for supplying a sample of gas from the process stream to the said one or more devices; wherein the pressure within the container is maintained at or near to atmospheric pressure. The invention also extends to a method of monitoring the quality of gas in a process stream at a subsea location.
US11175271B2 Allergen detection method
A highly-sensitive-allergen-measurement method is provided. A method for detecting an allergen in a sample comprises treating the sample with a protease, and detecting the presence or absence of an allergen-derived polypeptide in the enzymatically treated sample by a chromatographic separation analysis, wherein the allergen is one or more members selected from the group consisting of buckwheat, crustacean, milk, egg and peanut.
US11175270B2 Home and business monitoring system and methods
The systems of the present invention provide monitoring and recording means for monitoring and maintaining a history of one or more parameters associated with a building or a particular location. The system can be preset with default actions to be conducted as a result of certain events or changes in certain parameters being detected. For example, the water and/or gas utilities can be programmed to shut down if smoke is detected, indicating the possible presence of a fire, or if the temperature drops below freezing temperature. All utilities, including gas, and water can be programmed to shut down in the event that a potentially significant change in a monitored parameter is detected.
US11175268B2 Mini point of care gas chromatographic test strip and method to measure analytes
A mini point of care gas chromatographic test strip and method to measure analytes is disclosed. A system for determining the concentration of at least one analyte in a fluid sample having a plurality of analytes includes a base substrate, a first electrode pair disposed over the base substrate, and a first sensing chemistry responsive to at least one analyte in the sample. The first sensing chemistry is in electrical communication with the first electrode pair, and a first chromatographic layer is disposed over the at least one sensing chemistry. At least one analyte of the plurality of analytes moves through the first chromatographic layer at a different rate relative to the movement of other analytes of the plurality of analytes.
US11175267B2 GC interface assembly
A GC interface assembly for a heated transfer line of a gas chromatography interface probe, the heated transfer line comprising an inner tube and an outer tube, the GC interface assembly comprising: a GC fitting securable to said inner tube, the GC fitting comprising a first section comprising a substantially cylindrical projection for fluid connection to a GC source in use, and a second section having a larger radius than the first section in at least one direction, the second section being provided with at least one flat; and a GC end cap securable to an outer tube, the GC end cap comprising an aperture which slidably receives the second section of the GC fitting in use such that the GC fitting is substantially constrained to liner movement with respect to the GC end cap.
US11175264B2 Part evaluation based upon system natural frequency
A part evaluation tool is disclosed and which may be used to assess a part-under-test for use in a system. A plurality of natural frequencies for a system operated at a first steady-state operational are identified. A vibrational response of a part-under-test is acquired, and resonance frequencies within this vibrational response are identified. Resonance frequencies of the part-under-test are compared with the identified natural frequencies for purposes of classifying the part as compliant (e.g., suitable for use in the system) or non-compliant (e.g., not suitable for use in the system).
US11175262B2 Method for inspection of polymeric material with ferrous reinforcement to determine presence of reinforcement joint or damage
The present disclosure describes methods of inspecting polymeric material that includes one or more elongated ferrous reinforcements. The method includes applying a magnetic field to any one or more reinforcements. The method further includes positioning an array of magnetic flux sensors near the one or more reinforcements, and detecting the presence of magnetic flux leakage along any of the one or more reinforcements. It is then determined whether the magnetic flux leakage occurs at a damaged location along the one or more reinforcements or at a reinforcement joint.
US11175261B1 Pipeline static charge detection and dissipation systems and methods
Techniques for implementing and/or operating a system that includes a pipe segment, in which the pipe segment includes tubing that defines a pipe bore and a fluid conduit within an annulus of the tubing, a bore device to be moved through the pipe bore of the pipe segment, in which the bore device includes an internal sensor that determines sensor data indicative of an electrical parameter that the bore device encounters while disposed in the pipe bore of the pipe segment and fluid blocking material implemented around the internal sensor, and a control sub-system communicatively coupled to the bore device. The control sub-system determines whether static charge is expected to be present in the pipe bore of the pipe segment based at least in part on the sensor data determined by the internal sensor of the bore device.
US11175259B2 Sensing device and ion detection method
A sensing device including a transistor, at least one response electrode, and a selective membrane is provided. The transistor includes a gate end, a source end, a drain end, and a semiconductor layer, wherein the source end and the drain end are located on the semiconductor layer, and the gate end is located between the source end and the drain end. The at least one response electrode is disposed opposite to the gate end of the transistor and spaced apart from the transistor. The selective membrane is located on the at least one response electrode or on the transistor.
US11175256B2 Electrochemical assay device and related methods
An electrochemical test device is provided having a base layer with a first electrode thereon and a top layer with a second electrode thereon. The two electrodes are separated by a spacer layer having an opening therein, such that a sample-receiving space is defined with one electrode on the top surface, the other electrodes on the bottom surface and side walls formed from edges of the opening in the spacer. Reagents for performing the electrochemical reaction are deposited on one of the electrodes and on the side walls of the sample-receiving space.
US11175244B2 Graphene-based electro-microfluidic devices and methods for protein structural analysis
The invention provides a novel microfluidic platform for use in electro-crystallization and electro-crystallography experiments. The manufacturing and use of graphene as X-ray compatible electrodes allows the application of electric fields on-chip, during X-ray analysis. The presence of such electric fields can be used to modulate the structure of protein (or other) molecules in crystalline (for X-ray diffraction) or solution form (for X-ray scattering). Additionally, the presence of an electric field can be used to extend the lifetime of fragile samples by expediting the removal of reactive secondary radiation damage species.
US11175243B1 X-ray dark-field in-line inspection for semiconductor samples
An x-ray imaging/inspection system includes an x-ray source having a plurality of sub-sources in thermal communication with a substrate. The system further includes a first grating positioned to receive at least some of the x-rays from the x-ray source, a stage configured to hold a sample positioned to receive at least some of the x-rays from the x-ray source, at least one x-ray detector, and a second grating having periodic structures. The x-ray source, the first grating, and the second grating are configured such that a ratio of a pitch p0 of the plurality of sub-sources to a pitch p2 of the periodic structures of the second grating is substantially equal to a ratio of a distance dS-G1 between the plurality of sub-sources and the first grating and a distance dG1-G2 between the first grating and the second grating: (p0/p2)=(dS-G1/dG1-G2).
US11175242B2 Geometric alignment, sample motion correction, and intensity normalization of computed tomography projections using pi-line optimization
Methods and apparatuses are disclosed herein to correct for inconsistencies in CT scans based on pi-lines. An example method at least includes acquiring a plurality of projections of a sample, each projection of the plurality of projections acquired at a different location around the sample based on a trajectory, determining pairs of opposing projections from the plurality of projections based on a respective pi-line, and determining an amount of inconsistency between respective pi-line data for each pair of opposing projections, where the pi-line data is based, at least in part, on attenuation data.
US11175240B2 Inspection apparatus and inspection method
An inspection apparatus includes: an upstream imaging mechanism that images an upstream wall surface extending from a bottom part of a recess upstream of and adjacent to a projection in a rotating direction of a workpiece to a tip of the projection; and a downstream imaging mechanism that images a downstream wall surface extending from a bottom part of the recess downstream of and adjacent to the projection in the rotating direction to the tip of the projection. At least one of the imaging mechanisms includes a mover for parallelly moving and positioning in an orthogonal plane orthogonal to the axis of symmetry and images the workpiece from a position radially outward of the workpiece and positioned by the mover.
US11175232B2 Standoff ultra-compact micro-raman sensor
Standoff ultra-compact micro-Raman sensors configured to receive Raman scattering from a substance are disclosed. A laser device may be configured to transmit a laser at a first wavelength. The laser may be expanded to a predetermined size, focused through a lens, and made incident on an unknown substance. A filter may reflect the laser and Rayleigh scattering from the substance, but may permit Raman scattering and laser-induced fluorescence from the substance. One or more lenses and/or filters may receive and pass the Raman scattering and/or laser-induced fluorescence to a light sensor. The received Raman scattering and/or laser-induced fluorescence may be compared to known fingerprints of substances to determine an identity of the substance. The wavelength of the laser, the width of the laser, and other parameters may be varied based on the distance between the standoff ultra-compact micro-Raman sensor and the substance.
US11175229B1 Biological detection device
A biosensor for detecting light signals emitted by a biological material is provided. The biosensor includes a light signal detector which comprises an array of light sensor pixels. The biosensor further includes a light signal filter layer disposed on a surface of the light sensor pixel array, a metal nanometer light focusing unit array layer, a grating array layer which comprises micro-gratings, and a biological material sample bearing area which comprises a plurality of sample gathering units. Each sample gathering unit aligns with one micro-grating and one metal nanometer light focusing unit in the vertical direction, and at least one of the light sensor pixels.
US11175228B2 Reactive peptide labeling
Provided herein are sulfo n-hydroxysuccimidyl ester (sulfo-SE) linked peptides, methods of synthesis thereof, and methods of using such peptides for labeling of biomolecules. In particular, peptides comprising non-alkyl group such as serine, threonine, cysteine, tyrosine, glutamic acid, and aspartic acid are stably modified (e.g., without autoreactivity) with a sulfo-SE group and used to label or otherwise modify biomolecules.
US11175227B2 Optical system and assay chip for probing, detecting and analyzing molecules
Apparatus and methods for analyzing single molecules and performing nucleic acid sequencing. An apparatus can include an assay chip that includes multiple pixels with sample wells configured to receive a sample, which, when excited, emits emission energy; at least one element for directing the emission energy in a particular direction; and a light path along which the emission energy travels from the sample well toward a sensor. The apparatus also includes an instrument that interfaces with the assay chip. The instrument includes an excitation light source for exciting the sample in each sample well; a plurality of sensors corresponding the sample wells. Each sensor may detect emission energy from a sample in a respective sample well. The instrument includes at least one optical element that directs the emission energy from each sample well towards a respective sensor of the plurality of sensors.
US11175224B2 Optical refraction barometer
An optical refraction barometer measures pressure based on refractivity changes and includes: an optical light source; an optical frequency controller; a first optical phase controller; a first polarization controller; an electronic reference arm in optical communication with the first polarization controller; a second optical phase controller in optical communication with the optical frequency controller; a second polarization controller in optical communication with the second optical phase controller; an electronic sample arm in optical communication with the second polarization controller and in electrical communication with the second optical phase controller; a second sideband frequency generator; a mixer in electrical communication with the detector and the second sideband frequency generator; and a first sideband frequency generator in electrical communication with the mixer; and a dual fixed length optical cavity refractometer.
US11175223B2 In-situ measurement of nitrate in soil
A system for measuring with the aid of light absorption spectrometry the concentration of one or more analytes in porewater in soil, the system comprising: one or more monitoring unit(s), each monitoring unit comprising a porewater sampler (1), an optical flow cell (2) with a tube connecting the liquid inlet port of said optical flow cell to said porewater sampler; and vacuum arrangement to enable extraction of porewater; at least one light source (5) for generating a light beam to be transmitted through said optical flow cell (2); and at least one detector (8) for obtaining spectral information from the beam exiting said optical flow cell. A method of measurement is also provided.
US11175216B2 Measurement sensor and measurement method for measuring bond-slip at steel-concrete interface
Disclosed are a measurement sensor and a measurement method for measuring bond-slip at a steel-concrete interface (SCI). The measurement sensor mainly includes a specially-made spring steel sheet, strain gauges, force transmission clamps, flat-head rounded-corner limiting rods, a Π-shaped metal jacket, rectangular metal jackets, inverted T-shaped metal jackets, and wires. Two electric resistance strain gauges are respectively bonded on the front and back sides of the specially-made spring steel sheet; each electric resistance strain gauge is welded with a thin wire; two force transmission clamps are respectively fastened on the front and back sides of the specially-made spring steel sheet though rivets; a core measurement element is inserted into a measurement box assembled by three metal jackets above; the inverted T-shaped metal jackets are fastened through screws. Finally, the assembled structure is installed on a to-be-measured SCI using flat-head rounded-corner limiting rods, so as to form the measurement sensor.
US11175214B2 Cyclic flexing environmental chamber and methods
In one aspect, an apparatus includes a chamber configured to control one or more of humidity, pressure, or temperature and a jaw configured to flex a material system. The chamber includes an enclosure disposed within the chamber, the enclosure having an insulating material, and a motor or an actuator disposed within the enclosure. The chamber includes an inlet tube coupled with the enclosure at a first end and a first wall of the chamber at a second end. In one aspect, a method for determining material performance includes exposing a material system to a relative humidity of from 0% to 98% and flexing the material system at a first temperature in a chamber, the chamber comprising an enclosure disposed within the chamber and a motor disposed within the enclosure. The method includes operating the motor at a second temperature different from the first temperature during the flexing.
US11175212B2 Mid-infrared scanning system for analyzing particulates
An apparatus and method for analyzing particulates in a sample is disclosed. The method includes placing the sample on a moveable stage in an apparatus having a tunable MIR light scanner and a visible imaging system, the stage moving between the MIR light scanner and the visible imaging system, providing a visible image of the sample, and receiving user input as to a region of the sample that is to be analyzed. The sample is then moved to the MIR light scanner, the MIR light scanner generating an MIR light beam that is focused to a point on the specimen and measuring light reflected from the specimen. The specimen is then scanned at a first MIR wavelength by moving the specimen relative to the MIR light beam, and particles are identified that meet a selection criterion. The MIR absorption spectrum of each of the identified particle is then automatically measured.
US11175209B1 Friction flow loop test method and apparatus
The present invention comprises a friction flow loop test method and apparatus that simulates well bore hydraulic conditions during fracturing utilizing large dual tanks with a primary feed tank and a secondary receiving tank wherein friction reducer hydration is controlled in an environment matching the well bore and is unaffected by recirculation mixing.
US11175208B2 Test method for evaluating textile fabric performance
A method evaluating a strength of a textile for use in articles of clothing representative of normal wear and tear and comprising testing samples including the textile treated with an application of polyethylene, the untreated textile, and/or the textile being washed and dried one or more times; and/or where the textile has been conditioned. Each sample tested is weighed prior to and after abrasion resistance testing is conducted on each sample. The samples are each abraded with an abrasion resistance testing machine that has been modified with ISO test heads and an abrasive surface having a plurality of abrasion layers thereon. A number of rubs of abrasion between the abrasive surface and the test sample is pre-selected such that the test is run until the selected number of rubs have been completed. A bursting strength test can be further conducted on abraded areas of the testing samples.
US11175205B2 Sample preparation for difficult sample types
Devices and methods are provided for collecting and handling difficult sample types.
US11175203B2 Automated microdissection instrument using tracking information
Systems and methods for automated laser microdissection are disclosed including automatic slide detection, position detection of cutting and capture lasers, focus optimization for cutting and capture lasers, energy and duration optimization for cutting and capture lasers, inspection and second phase capture and/or ablation in a quality control station and tracking information for linking substrate carrier or output microdissected regions with input sample or slide.
US11175202B2 Apparatus and method for collecting environmental samples
An unmanned aerial vehicle detector includes an unmanned aerial vehicle, a pump/detector combination on the unmanned aerial vehicle and a tube including a rigid section and a flexible section. The tube is connected at a proximal end to the pump/detector combination. The pump/detector combination is configured to draw gas samples from a distal end of the tube to the detector and to detect a level of a gas drawn from within a prescribed distance above ground level.
US11175198B2 System for sensing and notifying material leakage
A system for sensing and notifying material leakage includes a material leakage sensor provided as plural ones within a specific facility and configured to sense whether a material including a liquid or a gas leaks to the outside of a joint portion or an opening/closing portion of the equipment located inside or outside of the specific facility; and a controller configured to receive sensing information sensed by the material leakage sensor and transmit a material leakage notification to a security company device through a wireless communication module based on the sensing information. The security company device is a device of a security company in charge of security or guard for the specific facility.
US11175194B2 Load detection device, load detection method, and walking support device
A load detection device capable of preventing deterioration of the accuracy of a load detection with the lapse of time is provided. A first exemplary aspect is a load detection device, including: a load detection part including a curved surface; an application member comprising a flat surface; and a transmission member located between the load detection part and the application member. The curved surface of the load detection part and a first surface of the transmission member come into point contact with each other, and the flat surface of the application member and a second surface opposite to the first surface of the transmission member come into surface contact with each other.
US11175193B2 Distributed optical fibre sensor for sensing stress state
A distributed optical fiber sensor of dynamic stress state comprises: an optical assembly configured to generate a series of optical pulses; an optical fiber of optical length L; an optical system configured to: inject through the first end at least the series of optical pulses; receive at the level of the end at least one series of output optical pulses, arising from the input pulses after propagation and retro-propagation in the fiber; generate at least one continuous reference beam or reference optical pulses on the basis of the optical assembly or of output optical pulses; produce a series of interference zones corresponding to the interference between the reference beam or a reference pulse and a signal optical pulse arising from an output optical pulse; a holographic detector comprising: a liquid-crystal light valve, the valve disposed so that it at least partially covers the interference zones, and producing holograms on the basis of the interference zones; at least one optical detector configured to detect output optical signals diffracted by the holograms.
US11175190B2 Device and method for the in-situ calibration of a thermometer
The present disclosure relates to a device for determining a temperature of a liquid. The device comprises a first temperature sensor and a reference element. The reference element is composed of a material in which a phase transformation occurs at a predetermined temperature within a temperature range relevant for operation of the device. The material remains in the solid phase. Arranged on the reference element are a first and a second electrode electrically insulated from one another. The device includes a first connection line for contacting the first electrode, and a second connection line for contacting the second electrode. The device further includes a third connection line composed of a material different from the material of the first or the second connection line. The third connection line forms with the first or the second connection line the first temperature sensor in the form of a first thermocouple.
US11175186B2 Optical imaging apparatus using metamaterial and optical imaging method using metamaterial
One embodiment of the present invention provides an optical imaging apparatus using a metamaterial including a metamaterial array sensor which includes a plurality of unit cells made of a metamaterial and is positioned adjacent to an observation object, an imaging beam providing unit which provides an imaging beam toward the metamaterial array sensor, a control beam providing unit which controls a control beam provided to the unit cell to block the imaging beam incident on the unit cell, and an imaging beam measuring unit which measures a unit cell imaging beam transmission amount passing through the unit cell by measuring an imaging beam transmission amount of the metamaterial array sensor when the imaging beam passes through the unit cell and an imaging beam transmission amount of the metamaterial array sensor when the control beam is focused on the unit cell to block the imaging beam incident on the unit cell.
US11175183B2 Spectral imaging device
The present invention provides a spectral imaging device characterized in that N images are captured with ambient light, and spectra can be obtained from the captured N images for spectral analysis. In particular, a filter device is employed to divide a spectral range of the ambient light into N spectral bands, and each capture corresponds to one spectral band.
US11175181B2 Device for imaging and delivering spectroscopic information
A device for imaging and delivering spectroscopic information comprises an objective (1), an image sensor (2) and an optical component (3) having a spectral differentiation function. The optical component having a spectral differentiation function modifies the image of a point in different ways for at least two colours, so that a form of the image of the point delivers spectroscopic information that appears directly in the image as captured by the image sensor. Such device may be used in a detection and/or surveillance system, which then possesses a lower probability of false alarm value.
US11175180B2 High energy power measurement systems and methods
The present invention relates to an optical energy meter. Illustrative embodiments of the present disclosure include a system controller, temperature sensing system, vibration sensing system, torque sensing system, graphical display system, climate control system, and vibration control system. The invention measures the radiation pressure of incident high power electromagnetic radiation. The measurement of radiation pressure can be used to determine the power of the radiation; that is, the purposes of the invention are to measure, with high precision and accuracy, and survive the power of an incident high power electromagnetic beam while minimizing size, weight, and power requirements.
US11175178B2 Adjusting window tint based at least in part on sensed sun radiation
Various implementations relate generally to a multi-sensor device. Some implementations more particularly relate to a multi-sensor device including a ring of radially-oriented photosensors. Some implementations more particularly relate to a multi-sensor device that is orientation-independent with respect to a central axis of the ring. Some implementations of the multi-sensor devices described herein also include one or more additional sensors. For example, some implementations include an axially-directed photosensor. Some implementations also can include one or more temperature sensors configured to sense an exterior temperature, for example, an ambient temperature of an outdoors environment around the multi-sensor. Additionally or alternatively, some implementations can include a temperature sensor configured to sense an interior temperature within the multi-sensor device. Particular implementations provide, characterize, or enable a compact form factor. Particular implementations provide, characterize, or enable a multi-sensor device requiring little or no wiring, and in some such instances, little or no invasion, perforation or reconstruction of a building or other structure on which the multi-sensor device is mounted.
US11175173B2 Radar transceiver chip
A radar transceiver chip for transmitting a transmission signal and for receiving a received signal is proposed. The radar transceiver chip includes a transmitting branch, a receiving branch, a coupler, by means of which the transmitting branch is coupled to the receiving branch, and exactly one antenna terminal for connecting an external antenna to the radar transceiver chip. The coupler is coupled to the antenna terminal and is configured to output at least a portion of the transmission signal to the antenna terminal and to feed at least a portion of the received signal, received via the antenna terminal, into the receiving branch, the receiving branch comprising a receiving mixer which is configured to generate an intermediate frequency signal on the basis of the received signal.
US11175166B2 Flow meter
A flow meter includes: a flat substrate; a housing that houses the substrate and has an open in at least one surface; a cover that covers the substrate and covers an open surface of the housing; a support that supports the substrate and is in contact with the cover and the substrate; and a fixing unit that connects the substrate and the housing, in which, in a first region and a second region formed by dividing the substrate into two parts at a center in a longitudinal direction, the support is disposed in the first region, and the fixing unit is disposed in the second region.
US11175163B2 Method and apparatus for calibrating an actuator system
The disclosure relates to an apparatus and a method for adapting control of a brushless electric motor in order to influence a position of an actuator, wherein at least two values of an output variable of a sensor are recorded in order to determine a position of the actuator, an item of information relating to the position of the actuator is determined on the basis of the at least two recorded values, the determined information relating to the position of the actuator is assigned to an item of information relating to a rotor position of the electric motor, wherein the at least two recorded values are recorded at two different times in a predefined interval of time, and wherein a duration of the predefined interval of time is determined on the basis of a characteristic of the electric motor.
US11175161B2 Inductive sensor for position/orientation sensing
A sensor includes a ferromagnetic shield, at least one sensor coil disposed around an exterior of the ferromagnetic shield, and an electronics module within the ferromagnetic shield. The electronics module is configured to determine the position and/or orientation of the sensor based at least in part on a measurement of a signal induced in the at least one sensor coil.
US11175160B2 Magnetic field sensor and method with reduced distortion measurement in sideshaft applications
A magnetic field sensor includes an analog front end having first and second magnetic field sensing elements arranged at approximately 90-degrees with respect to each other, a pre-processor and an arctangent processor. The first and second magnetic field sensing elements are arranged in a sideshaft orientation with respect to a rotating object and offset with respect to an axis of rotation of the rotating object, the rotating object having a radial axis and a tangential axis. The pre-processor is configured to receive the first and second magnetic field signals from the analog front end and to apply a correction factor to one or both of the first and second magnetic field signals to produce first and second scaled magnetic field signals. The arctangent processor is configured to calculate an arctangent value of the first and second scaled magnetic field signals.
US11175156B2 Method and apparatus for improved location decisions based on surroundings
A system includes a processor configured to receive image data of a scene around a user location, including identification of a plurality of vehicle objects within the image. The processor is also configured to process the image data to determine where stopping spaces, not occupied by vehicle objects, exist within the image. The processor is further configured to select a determined stopping space and provide the selected stopping space to a passenger and driver to arrange a pickup location for a ride request.
US11175154B2 Translation of verbal directions into a list of maneuvers
Natural language directions are received and a set of maneuver/context pairs are generated based upon the natural language directions. The set of maneuver/context pairs are provided to a routing engine to obtain route information based upon the set of maneuver/context pairs. The route information is provided to an output system for surfacing to a user.
US11175153B2 Pedestrian and vehicle route optimization
Methods, systems, and apparatus for a route optimization system. The route optimization system includes a sensor configured to detect a location of one or more pedestrians. The route optimization system includes a processor. The processor is coupled to the sensor and configured to obtain a start location and a destination location for a vehicle or a personal device. The processor is configured to determine pedestrian traffic flow between the start location and the destination location based on the location of the one or more pedestrians. The processor is configured to determine multiple routes between the start location and the destination location and determine an optimal route based on the pedestrian traffic flow. The processor is configured to provide the optimal route to a user.
US11175147B1 Encouraging and implementing user assistance to simultaneous localization and mapping
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for user assisted simultaneous localization and mapping (SLAM). These technologies can involve a robot including: one or more processors; one or more sensor subsystems; and one or more storage devices storing instructions that are operable, when executed by the one or more processors, to cause the agent to perform operations including: receiving first sensor data from the one or more sensor subsystems; determining the presence of a human based at least in part on the first sensor data; receiving second sensor data from the one or more sensor subsystems, the second sensor data indicating an action of the human; and determining at least one of mapping data and localization data based at least in part on the second sensor data.
US11175140B2 Resonator fiber optic gyroscope with integrated photonics interface
A resonant fiber optic gyroscope (RFOG) comprises two integrated photonics interfaces coupling the optical resonator coil to the multi-frequency laser source that drives the RFOG; wherein the two integrated photonics interfaces comprise a first waveguide layer and a second waveguide layer wherein the first waveguide layer comprises two waveguide branches which come together to form a single waveguide branch; the second waveguide layer comprises two waveguide branches which remain separate from each other; and wherein the waveguide structure is configured to match an integrated photonics mode to a fiber mode supported by an optical fiber.
US11175139B2 Hybrid inertial measurement system and method using a light pulse cold atom interferometer
Disclosed is a hybrid inertial measurement system including a cold atom interferometric inertial sensor having a laser source generating a sequence of laser pulses towards a cold atom burst and a conventional inertial sensor attached to the inertial reference frame of the interferometric inertial sensor. The hybrid system includes a signal processing system suitable for receiving an inertial measurement signal from the conventional inertial sensor and for generating in real time a non-linear frequency modulation signal, the feedback loop electronic system being configured to modulate in real time the central optical frequency of the laser according to the modulation signal, such that the cold atom interferometric inertial sensor generates a first hybrid inertial measurement signal by atomic interferometry corrected for the relative movements of the inertial reference frame.
US11175138B2 MEMS gyroscope control circuit
A microelectromechanical system (MEMS) gyroscope includes a driving mass and a driving circuit that operates to drive the driving mass in a mechanical oscillation at a resonant drive frequency. An oscillator generates a system clock that is independent of and asynchronous to the resonant drive frequency. A clock generator circuit outputs a first clock and a second clock that are derived from the system clock. The drive loop of the driving circuit including an analog-to-digital converter (ADC) circuit that is clocked by the first clock and a digital signal processing (DSP) circuit that is clocked by the second clock.
US11175134B2 Surface tracking with multiple cameras on a pole
A surveying pole is part of a primary surveying system (e.g., a Global Navigation Satellite System (GNSS) or a total station). Cameras are mounted to the surveying pole and used for ground tracking as the survey pole is moved from a place where the primary surveying system is unimpeded to an environment where the primary surveying system is impaired (e.g., to a GNSS-impaired environment or to a position that is blocked from view of the total station). Using ground tracking and/or other sensors, surveying can be continued even though the primary surveying system is impaired.
US11175130B2 Device for use in a numerically controlled machine tool for application in a method for measuring the numerically controlled machine tool
A device for use on a numerically controlled machine tool for application in a method for measuring the numerically controlled machine tool, including: a first measuring element for measuring via a measuring apparatus, a second measuring element for measuring via the measuring apparatus, a spacer element on which the first measuring element and the second measuring element are arranged spaced from each other, and at least one fastening portion for fastening the device to a machine part of the machine tool.
US11175129B2 Sample shape measuring method and sample shape measuring apparatus
A sample shape measuring method includes a step of preparing illumination light that is to be passed through a predetermined illumination region, a step of irradiating the illumination light to a sample, and a predetermined processing step. The predetermined illumination region is set such that an area of a region of the illumination light passing through a pupil of an observation optical system is smaller than an area of the pupil of the observation optical system. The predetermined processing step includes a step of receiving light emerged from the observation optical system, a step of computing a position of an image of the predetermined illumination region from light received, a step of computing a difference between the position of the image of the predetermined illumination region and a reference position, and a step of calculating an amount of inclination at a surface of the sample, from the difference calculated.
US11175128B2 Quality control of substrate coatings
The present invention relates to devices and methods for detecting the amount (degree, extent) of material coating a medical device or substrate, in particular the present invention relates to devices and methods for detecting the amount of vaccine material coating a microarray patch.
US11175127B2 System and method for large sample analysis of thin film
Examples of a method include maintaining a large area thin film at a predetermined angle with respect to a spatially non-scanning infrared (IR) radiation source. The large area thin film reflects infrared radiation and at least a portion of the large area thin film is electrically conductive. The predetermined angle is selected from an angle ranging from about 0° to about 45°. Examples of the method include, while maintaining the large area thin film at the predetermined angle, directly illuminating the large area thin film with infrared radiation from the spatially non-scanning infrared radiation source, and thermal imaging reflected infrared radiation from the large area thin film by an infrared imaging system having an optical axis positioned at a fixed angle with respect to the large area thin film. The fixed angle is selected from an angle ranging from about 0° to about 45°.
US11175126B2 Automated polarization control
One or more devices, systems, methods and storage mediums for optical imaging medical devices, such as, but not limited to, Optical Coherence Tomography (OCT), single mode OCT, and/or multi-modal OCT apparatuses and systems, and methods and storage mediums for use with same, for performing automated polarization control, polarization diversity and/or balanced detection are provided herein. One or more embodiments may achieve polarization diversity and balanced detection (or photo-detection) under any imaging circumstances. One or more embodiments, may achieve polarization control functionality regardless of whether such control is automatic or manual. Additionally, one or more embodiments may achieve automated polarization control, may achieve balanced detection (or photo-detection), and/or may address potential disturbances, such as, but not limited to, polarization drift over time, temperature and/or mechanical perturbations or variations. One or more embodiments may include an optical receiver where polarization diversity and balanced detection may be optimized via motorized controls.
US11175125B2 Frequency-domain optical coherence tomography with extended field-of-view and reduction of aliasing artifacts
The present disclosure provides an OCT imaging system to reduce or eliminate frequency-domain aliasing artifacts. The frequency is shifted using a carrier frequency to define a sampling range substantially centered on the carrier frequency. An image of the sample is generated from a displayed imaging range that consists of a subset of the frequencies within the sampling range. Furthermore, the system may be configured to determine the carrier frequency such that a Nyquist frequency corresponding to the shifted frequency is extended beyond either an upper or a lower bound of an OCT quality envelope corresponding to the first portion of light. Additionally, the carrier frequency may be determined such that a lower bound of the OCT quality envelope is greater or less than a zero-frequency DC limit.
US11175117B2 Bi-directional wing unfolding mechanism
The present disclosure relates to a bi-directional wing unfolding mechanism for unfolding and locking wings of air vehicle during deployment. The mechanism comprises one or more flexible member to enable lift and rotational movements of the wings of air vehicle about one or more axis. The mechanism also comprises one or more pairs of lock pins to lock undesired lift and rotational movement of the wings after the desired movements, thereby enabling minimum roll disturbance and near synchronous locking of all wings. Further, the mechanism also enables folding and unfolding of the wings having higher aspect ratio by folding and unfolding at mutually perpendicular axes. The mechanism also enables lower drag and results in high aerodynamic performance, low roll rate and better flight trajectory.
US11175112B2 Simulation device and a method for facilitating simulation of a shot from a weapon
The present invention relates to a method 300 for facilitating simulation of a shot from a weapon, wherein the weapon is equipped with a laser device which works on the time-of-flight principle. The method comprises the step 310 of receiving an emitted coded laser pulse sequence from the weapon by a simulation device. The method further comprises the step 350 of transferring a returned coded pulse sequence which corresponds to the emitted coded laser pulse sequence back to the weapon by the simulation device. The simulation device is a range simulation device. The method further comprises the step of delaying 330 said transferring in relation to said receiving so that said delay is perceived by said weapon as a longer travel time of the emitted coded laser pulse sequence and the returned coded pulse sequence, respectively. The method further relates to a simulation device.
US11175106B2 Universal systems and methods for adjustably limiting capacity of firearm magazines
The present invention relates to systems and methods for reliably limiting the cartridge loading capacity of firearm magazines. In one embodiment, a magazine capacity limiting assembly includes a limiter body and a limiter base. The magazine capacity limiter body reliably operates with a cartridge follower of a firearm magazine. The limiter body is installed substantially within coils of the magazine's spring, thereby limiting the travel of the follower within the magazine body to limit the magazine's cartridge capacity. The limiter body includes at least one removable and stackable component configured to enable a corresponding plurality of cartridge capacities for the firearms magazine. The limiter may also include a cupped top configured to be securely coupled the cartridge follower of a corresponding type of firearm.
US11175105B2 Adjustable gas block
Systems and methods for an adjustable gas block are described. Systems may include an adjustment subassembly and a gas block assembly, wherein the adjustment subassembly may be coupled to the gas block assembly.
US11175098B2 Wall-mounted radiant cooling device
In the field of building and of cooling systems there is disclosed a wall-mounted radiant cooling device for rooms, including: at least two cooling tubes positioned on two different levels adapted for cooled water to flow through; a fixing unit of the cooling tubes to the outside of the walls of the rooms. Each cooling tube includes two shaped longitudinal fins, and the radiant cooling device further includes a channel, arranged parallel to and underneath the cooling tubes, adapted to collect the condensate that is generated through contact with the hot air present in the rooms provided with the cooling tubes. The longitudinal fins of the cooling tubes are adapted to cooperate with one another to convey the condensate into the channel.
US11175094B2 Dynamic cooling of a metallurgical furnace
One embodiment is a cooling system for regulating temperature of a surface of a metallurgical furnace. The cooling system includes a plurality of spray conduits. Each spray conduit has one or more control valves and has a plurality of nozzles. A plurality of temperature sensors are disposed proximate the surface of the metallurgical furnace. A control system adjusts the control valves of the plurality of spray conduits in response to temperature information derived from the plurality of temperature sensors.
US11175088B2 Cooling device with an air guiding element
A cooling device, particularly a household refrigerator, has a housing defining a storage space. A door assembly attached to the housing enables access to the storage space. A unit that emits heat to its surrounding is disposed on the cooling device. The heated air around the unit is discharged through an air outlet. An air guiding element directs the discharged air upwardly so as to flow along the door assembly. The air guiding element is provided on the door assembly.
US11175086B2 Venturi vacuum drawback assemblies and dual orifice venturi valve assemblies
A venturi vacuum drawback assembly includes a fluid supply passage that supplies the fluid to the device, a fluid return passage that returns the fluid to the device, a shutoff valve positioned on the fluid supply passage, a bypass passage, a bypass valve positioned on the bypass passage, and a venturi valve positioned on the bypass passage downstream of the bypass valve. The bypass passage includes an inlet and an outlet. The inlet is connected to the fluid supply passage upstream of the shutoff valve, and the outlet connected to the fluid return passage. The venturi valve includes a venturi inlet, a venturi outlet, and a primary orifice positioned between the venturi inlet and the venturi outlet. The primary orifice is connected to a drawback opening on the fluid supply passage by a conduit. The drawback opening of the fluid supply passage is positioned downstream of the shutoff valve.
US11175083B2 Intelligent refrigeration compressor runtime schedule extraction
Embodiments for implementing intelligent refrigeration compressor runtime schedule extraction in an Internet of Things (IoT) computing environment by a processor. Compressor runtime positions of a compressor may be determined according to a single phase signal taken from an energy meter. Performance and health status of the compressor may be established according to the one or more compressor runtime activities determined from the established nominal baseload classifier.
US11175081B1 Condensation control system with radiant heating and related method
A system for controlling the circulation of air in an indoor area of a structure including a door or window. A fan for circulating the air within the indoor area is combined with a first sensor for sensing a temperature of a surface of an object in the indoor area. A controller controls the operation of the fan based on the surface temperature sensed by the first sensor, and also regulates a radiant heater for heating the surface or the object. The controller may also or alternatively be adapted for controlling the fan based on an indication that it is raining external to the structure, an HVAC unit, or a dehumidifier. Related methods are also disclosed.
US11175080B2 Refrigeration cycle apparatus having heat exchanger switchable between parallel and series connection
A refrigeration cycle apparatus includes a refrigeration circuit in which non-azeotropic refrigerant mixture circulates. The refrigeration circuit includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, an expansion valve, and a four-way valve. The four-way valve is configured to assume a first state and a second state. The outdoor heat exchanger includes a plurality of refrigerant flow paths and a linear flow path switching valve configured to switch connections of the plurality of refrigerant flow paths between a series state in which the non-azeotropic refrigerant mixture flows through the plurality of refrigerant flow paths in series and a parallel state in which the non-azeotropic refrigerant mixture flows through the plurality of refrigerant flow paths in parallel. A controller switches the linear flow path switching valve between the series state and the parallel state when a multi-way valve is in the second state.
US11175076B2 Free cooling refrigeration system
A refrigeration system includes a chiller with an integrated free cooling system and refrigeration system. In certain embodiments, the chiller may be a single package unit with all equipment housed within the same support frame. The chiller may generally include three modes of operation: a first mode that employs free cooling, a second mode that employs free cooling and implements a refrigeration cycle, and a third mode that uses the free cooling system to remove heat from the refrigeration system. A heat exchanger may be shared between the free cooling system and the refrigeration system to transfer heat from the refrigeration system to the free cooling system.
US11175073B2 Carbon dioxide cooling system with subcooling
A subcooling controller includes a sensor and a processor. The sensor measures one or more of a temperature external to a first heat exchanger that removes heat from carbon dioxide refrigerant, a temperature of the carbon dioxide refrigerant, and a pressure of the carbon dioxide refrigerant. The processor determines that one or more of the measured temperature external to the first heat exchanger, the temperature of the carbon dioxide refrigerant, and the pressure of the carbon dioxide refrigerant is above a threshold and in response to that determination, activates a subcooling system. The subcooling system includes a condenser, a second heat exchanger, and a compressor. The condenser removes heat from a second refrigerant. The second heat removes heat from the carbon dioxide refrigerant stored in a flash tank. The compressor compresses the second refrigerant from the second heat exchanger and sends the second refrigerant to the condenser.
US11175072B2 Air conditioner
A notifier notifies a user of a warning when a ratio of first refrigerant is different from a suitable value, the ratio being determined from a first difference between a first temperature and a second temperature and from a second difference between a third temperature and a fourth temperature. The first temperature is a temperature of a non-azeotropic refrigerant mixture between a first heat exchanger and a second heat exchanger. The second temperature is a temperature of the non-azeotropic refrigerant mixture between the second heat exchanger and a first expansion valve. The third temperature is a temperature of the non-azeotropic refrigerant mixture between a first decompressor and a first connecting point. The fourth temperature is a temperature of the non-azeotropic refrigerant mixture between a second decompressor and the first connecting point.
US11175064B2 Analytics based chiller sequencing
Embodiments include a system and method for performing analytics based chiller sequencing. Embodiments include a plurality of chillers, a system controller configured to control the plurality of chillers, and one or more sensors in communication with the controller, the one or more sensors configured to generate operational data based on measured operational parameters of the plurality of chillers. Embodiments include the controller including a processor configured to obtain the operational data, calculate scores for each of the plurality of chillers based on the operational data, and rank the plurality of chillers based on the scores. The processor is further configured to sequence the plurality of chillers based at least in part on the ranking, and control operation of the plurality of chillers based on the sequencing.
US11175059B2 Air conditioning system and method of operating the same
An air conditioning system includes a control unit, a circulation system, an AC-to-DC conversion unit, and a fan module. The control unit detects an area temperature, controls the compressor unit being in operation or not in operation according to the area temperature and a setting temperature set by the control unit, and control a rotation speed of the condensing fan according to a temperature difference between the area temperature and the setting temperature. When the area temperature is greater than the setting temperature, the control unit controls the compressor unit being in operation and control the condensing fan being in full-speed operation.
US11175058B2 Air cleaner and network system
Provided herein is an air cleaner (200) that includes: a communication interface (260) that receives information concerning operation contents from a server (100); and a processor (210) that, upon partial or complete termination of communication with the server (100), initializes the information concerning operation contents, or initializes a setting concerning acquisition of the information concerning operation contents.
US11175052B2 Air conditioner and control method thereof
An air conditioner and a control method thereof perform cooling through an outlet if room temperature or room humidity is high to reduce the room temperature or the room humidity, and closing the outlet to perform cooling at low velocity through an outlet hole if room temperature or room humidity reaches a predetermined value so that a user can little feel the wind velocity of cooling of the air conditioner, while maintaining indoor space at pleasant temperature or humidity. By performing cooling at low velocity through the outlet hole formed in the lower portion of the air conditioner, it is possible to cool the lower area of indoor space at pleasant temperature when a user is asleep.
US11175047B2 Pellet stove
A pellet stove includes a hopper for storing pellets, a basket for receiving the pellets by gravity, a duct for conveying combustion air to the basket, and a conduit for conducting heated air away from the basket. The position of the basket is adjustable, such as by raising and lowering it, or by rotating it, so as to control the number of pellets in the area of most intense combustion. One or more optional burn plates, positioned below the basket, provide platforms on which pellets falling through the basket can burn down to a smaller size. The pellet stove requires no external source of power. The stove so constructed enables quiet, efficient and clean burning of the pellets.
US11175043B2 Burner assembly, combustor, and gas turbine
A burner assembly for a combustor includes: a plurality of first nozzles arranged in a circumferential direction of the combustor; a plurality of first burner cylinders accommodating the respective first nozzles; and a middle-flow-passage forming portion which is connected to a downstream end of the plurality of first burner cylinders and which forms a middle flow passage through which a combustion chamber of the combustor is in communication with an interior space of each of the plurality of first burner cylinders. The middle-flow-passage forming portion includes an inner peripheral wall disposed on a radially inner side of the combustor and formed such that a distance from a center axis of the combustor to the inner peripheral wall is uneven with respect to the circumferential direction.
US11175035B2 Burners for conversion of methane to olefins, aromatics, and nanoparticles
Embodiments of the present disclosure describe burner (10) configurations used in an industrial process to convert methane to olefins, aromatics, and nanoparticles/nanomaterials. Both a vitiated coflow burner and piloted turbulent burner with inhomogeneous inlets are disclosed.
US11175033B2 Swivel head assembly for an oxy-fuel torch
A swivel head assembly for a dual head oxy-fuel torch which incorporates a fixed oxygen delivery head and a 360 degree rotatable fuel delivery head mounted coaxially upon the oxygen delivery head, such that regardless of whether the torch is pushed forward, drawn backward or manipulated to either side, the fuel delivery head can be readily repositioned relative to the oxygen delivery head so as to always lead the delivery of oxygen for preheating, thus accommodating ease of arm movement and avoiding the need for cumbersome body movement and positioning around the target cutting surface.
US11175032B1 Water lamp
The water lamp includes a casing, a lighting member, a cap, and a decorative element. The casing has an accommodation space inside filled with a fluid and a through opening on a bottom side. The lighting member positioned in the accommodation space, including at least one lighting element on a top side and a number of columns and a tube arranged at intervals on a bottom side. The translucent cap has an open bottom receiving the top side of the lighting member. The cap and the lighting member jointly enclose a watertight space. The decorative element has a three-dimensional shape having a chamber on a bottom side for covering the cap. As such, the lighting elements are isolated in the watertight space and separated from the fluid in the casing. Through a power element, the lighting elements may illuminate from inside the casing element, thereby creasing interesting visual effect.
US11175029B1 Lamp
A lamp includes a housing, a heat sink, a light source and at least a bracket. The heat sink is disposed within the housing. The light source is connected with the heat sink. The bracket is disposed within the housing, and the bracket includes a main body and a first fixing portion arranged along the outer edge of the main body. The main body of the bracket connected to a side surface of the heat sink is connected to the housing through the first fixing portion to dispose the heat sink in the housing. When the bracket is fixedly connected to the inner wall of the housing, the heat sink can be firmly installed inside the housing and it is not easy to loosen during use, so that the heat sink can continuously and stably dissipate for the lamp.
US11175027B2 Lighting apparatus with light source plate secured between two connector portions
A lighting apparatus includes a driver configured to convert external power to a driving current, a light source connector with top and bottom portions separated by a distance, and a light source provided on a light source plate including a conductive patch. The light source plate is held between the top portion and the bottom portion, such that the driving current is supplied to the light source plate by the conductive path routed via the light source connector.
US11175026B1 Track electronic apparatus
A track electronic apparatus includes multiple converter heads, a converter body, a middle electrode and a function body. The multiple converter heads are respectively corresponding to multiple tracks. The converter body has a first end connecting to one selected converter head. The middle electrode is stored in the converter body. The middle electrode is detachably electrically connected to the head electrode. The function unit is fixed to the converter body. The function unit includes an electronic component connected to the external power source via the middle electrode and the head electrode.
US11175025B2 Underwater light display device with propulsion
A light display system and device for use in a body of water or other liquid is described. The light display device may be controlled remotely via a control hub and/or control panel, or controlled by internally preprogrammed commands. A plurality of light display devices may be controlled in selected, choreographed sequences to provide various unique visual displays including, for example, geometrical patterns and/or naturalistic patterns giving the impression of organic phenomena such as swarming fireflies, bioluminescent creatures and the like.
US11175017B2 System and method for producing a blending light distribution from LED luminaires
An optical system and luminaire are provided that include a light source and a beam adjuster optical element (BAOE). The light source emits a source light beam that is received by the BAOE, which emits an adjusted light beam. The BAOE includes an outer portion that receives an outer portion of the source light beam and causes light rays of the outer portion to diverge in a corresponding outer portion of the adjusted light beam and an inner portion that receives an inner portion of the source light beam and causes light rays of the inner portion to converge in a corresponding inner portion of the adjusted light beam. The luminaire includes an actuator that moves the BAOE within the luminaire and a control system that receives a control signal via a data link and moves the BAOE in response to the control signal.
US11175016B2 Planar illumination device with spacer between lens and diffuser
A planar illumination device includes a light source substrate, a lens, a diffuser, and a spacer. The light source substrate includes a plurality of light-emitting devices two-dimensionally arrayed thereon. The lens receives light emitted from the light source substrate. The diffuser receives light emitted from the lens. The spacer is integrated with the diffuser and disposed between the lens and the diffuser.
US11175013B2 Ceiling light apparatus
In some embodiments, a lighting apparatus includes a back cover, a first light source, a second light source, a back cover, a first separator and a driver. The first light source is mounted on the back cover. For example, the first light source includes multiple LED modules mounted on a circular ring structure. The circular ring structure is fixed to the back cover. Each LED module may have a LED chip covered by a lens module for guiding an output light of the LED chip to desired directions, e.g. to form a condensed light beam or to diffuse evenly on a projected surface.
US11175012B1 Indirect light wall pack
A light fixture for lighting a surface includes a housing, a plurality of light sources, and a reflector for directing light out of a window of the housing. The plurality of light sources are directed away from the window of the housing and are then not directly viewable from the exterior of the housing while providing light reflected against the reflector through the window of the housing. The light sources are connected to a substrate through which power is supplied to the light sources and through which heat energy is removed from the light sources during operation. The substrate may form a portion of the housing of the light fixture.
US11175010B2 Illumination device and electronic apparatus including the same
Provided are an illumination device and an electronic apparatus. The illumination device includes a light source configured to emit light, a surface light source layer configured to convert the light emitted from the light source to surface light, a focusing lens configured to focus the surface light from the surface light source layer, and a display panel including an aperture through which light focused by the focusing lens passes.
US11175003B2 Downlight having quick connect driver assembly with switch selectable light characteristics
A lamp is provided that includes a first housing having a recessed down lamp geometry for containing a light emitting diode (LED) light source, and a second housing for containing driver electronics including an exterior switch for selecting lighting characteristics of light being projected by the light emitting diode (LED) light source, wherein the first housing containing the light emitting diode (LED) light source and the second housing including the driver electronics are electrically connected through a reversible connector.
US11175002B2 LED driver box
A LED driver boxes for luminaires or LED lighting systems installed in applications where the building is pre-existing, and luminaires are retro-fitted to the space with great advantages in convenience is described. Driver box applications where luminaires are installed in a new construction where the ceiling has yet to be installed/built is easy. Driver boxes may be used where the ceiling is already built and for ease of installation and maintenance, the contractor may want to choose an option where the luminaire has easily accessible electronic components. The LED Driver Boxes provide a safe, clean, and rigid method to maintain the electronics by separating line voltage from DC voltage and electronics.
US11175000B2 Lighting device with a wireless communication antenna
There is provided a lighting device comprising an exhaust tube and a wireless communication antenna arranged inside the exhaust tube. There is also provided a method for producing such a lighting device.
US11174996B2 Lighting apparatus
A lighting apparatus includes a first flexible filament with a first elongated flexible substrate. The first elongated flexible substrate is mounted with a first set of LED modules. The first set of LED modules includes LED modules of multiple colors. The second flexible filament with a second elongated flexible substrate. The second elongated flexible substrate is mounted with a second set of LED modules. The second set of LED modules include LED modules of multiple color temperatures.
US11174995B2 Hydrate remediation systems, apparatuses and methods of making and using same
Hydrate remediation systems, apparatuses, and methods of making and using same including at least one pair of electrodes detachably or fixedly attached to a pipeline or flowline in a spaced relationship so that a current may be imposed across a section of the pipeline or flowline between each pair of electrodes resulting in electrical heating of the section for a time sufficient to raise a temperature of a fluid in the section of the pipeline or flowline to a temperature above a dissociation temperature of hydrates formed in the fluid.
US11174990B2 Tank
A tank comprises: a liner having a cylindrical trunk portion and a hemispherical dome portion provided at both ends of the trunk portion in a central axis direction; a fiber-reinforced resin layer formed on an outer peripheral surface of the liner; and a metallic reinforcement member formed integrally with the liner. The reinforcement member is arranged in the dome portion at least at a shoulder portion near a boundary between the dome portion and the trunk portion and is not arranged at least at part of the trunk portion.
US11174989B2 Sensor arrangement and method of securing a monitored zone
A sensor arrangement for securing a monitored zone having at least one hazard zone with respect to a machine is provided, wherein the sensor arrangement has at least one optoelectronic monitoring sensor for detecting objects in the monitored zone and has a control and evaluation unit that is configured to compare the positions of detected objects with the hazard zone and to initiate a safety-relevant response of the machine in the case of a dangerous position. The control and evaluation unit is furthermore configured to generate and to monitor a further hazard zone with respect to a detected object.
US11174988B2 Lubricant level sensing for an actuator
According to one aspect, a lubricant level sensing system for an actuator is provided. The lubricant level sensing system includes a pressure port in an outer housing of the actuator, a pressure sensor, and a pathway from the pressure port to the pressure sensor. The pathway establishes fluid communication between the pressure sensor and a free volume of an internal cavity of the outer housing relative to a lubricant level in the internal cavity such that the pressure sensor detects a pressure of the free volume used to derive the lubricant level.
US11174970B1 Hose clamp apparatus
A hose clamp apparatus that is configured to provide operable coupling with a second hose clamp apparatus so as to maintain an adjacent position with each other on a hose. The hose clamp apparatus of the present invention includes a band member operably coupled to an adjustment mechanism disposed within a housing. The housing includes a first side and a second side. Mounted to the first side of the housing is a first keeper. Secured to the second side of the housing is a second keeper. The first keeper and second keeper are configured to be mateably coupled so as to operably couple a first hose clamp apparatus with a second hose clamp apparatus. The first keeper and second keeper each have a first portion that extends outward from the housing. Engagement members are located at opposing ends of the housing and are operably coupled to the adjustment mechanism.
US11174968B2 Pipe connecting apparatus
A pipe connecting apparatus includes: a connector including a large diameter part having a hollow, into which a pipe is inserted, therein and in which at least any one of opposite ends of the hollow has a larger inner diameter such that an accommodation space is formed inside the one end of the hollow, and a pressing part continuously formed along a lengthwise direction of the large diameter part in a direction in which the pipe is inserted, having a smaller diameter than the large diameter part, and formed to surround an outer peripheral surface of the pipe; a ring-shaped sealing member provided in the accommodation space and surrounding the pipe on the outside of the pipe; and a grip member provided in the accommodation space to be adjacent to the sealing member.
US11174963B2 Coker switch valve operating system and method
An operating system for switching a coker switch valve to drum A, drum B, and bypass. The system has a shear pin linkage between the actuator and the valve stem and a position indicator independent of the actuator, to maintain functionality in the event of shear pin failure; and/or lockout functionality to prevent an inadvertent switch to bypass when switching between drum A and drum B and to lock down bypass mode to prevent an inadvertent switch from bypass to an open drum.
US11174957B1 Adjustable Venturi tube
An adjustable Venturi tube is provided and includes a water outlet segment and a water inlet segment. The water outlet segment has a gas inlet space therein and includes a chamber, a water flow selector disposed on the chamber, and a gas inlet pipe. The chamber has a gas inlet opening and a plurality of liquid-gas exits, which are in spatial communication with the gas inlet space. The water flow selector has a plurality of selective channels respectively facing the liquid-gas exits. The water outlet segment has a space and a water channel that is in spatial communication with the space. The water inlet segment and the water flow selector are configured to be moved relative to each other so as to allow the space to selectively be in spatial communication with at least one of the selective channels through the water channel.
US11174955B2 Diverter valve for conveying a material and method for cleaning thereof
A diverter valve for conveying a material has a housing with at least three passage openings for feeding or discharging material. The passage openings define a conveying plane. The diverter valve includes a rotary part with an outer contour that is conical, at least in sections, with respect to its axis of rotation. The rotary part is arranged in a sealed manner in the housing. The rotary part can be axially displaced and rotated within the housing. The axis of rotation is perpendicular to the conveying plane. A passage conduit is arranged in the rotary part, which, depending on the rotational position of the rotary part, connects to each other two passage openings for conveying material along the passage conduit through the diverter valve. A drain opening is provided in the housing for the automatic drainage of a liquid from the housing.
US11174953B2 Relay valve for a compressed-air system
A relay valve (1′) for a compressed-air system of a vehicle has a working pressure inlet, a working pressure outlet, a venting outlet and a controllable relay piston (19). The relay piston (19) is axially movably guided and, at one axial end, has an annular, radially inner valve seat (20). A sealing piston (9) is axially movably guided coaxially with respect to the relay piston (19). The sealing piston (9) is pushed by a compression spring (8) toward the relay piston (19) and an annular, radially outer valve seat (25), which is a part of a seat ring (24) fastened in an annular collar (23) of the housing bottom part (2). The seat ring (24) is a deep-drawn component shaped as a cylindrical pot of a metallic material. The radially outer valve seat (25) is an axially protruding annular web with a gable-shaped axial cross section.
US11174952B2 High-flow fluid valve block
An illustrative valve block includes a plate, a fluid transfer block, and a diaphragm. The plate includes a channel configured to receive a first fluid and a recess connected to the channel. The fluid transfer block includes an inlet connection configured to receive a second fluid and an outlet connection. The fluid transfer block also includes a plurality of valve inlet bores connected to the inlet connection. The plurality of valve inlet bores are distributed along at least part of a first curved shape. The fluid transfer block further includes a plurality of valve outlet bores each fluidly connected to the outlet connection. The plurality of valve outlet bores are distributed along at least part of a second curved shape. The diaphragm is between the pressure plate and the fluid transfer block. The plurality of valve inlet bores and the plurality of valve outlet bores adjoin the recess.
US11174949B2 Actuator and valve device using the same
To provide a valve device capable of easily and precisely adjusting a flow rate of a flowing fluid, and an actuator used in the valve device. The problem is solved by an actuator including pistons housed in a housing, a supply port of compressed air provided to a casing constituting the housing, and an adjustment member that is provided to a position separated from the supply port and regulates an upper limit position of possible movement of the piston that comes into contact with the adjustment member. The piston comes into contact with the adjustment member and is positioned in the upper limit position when compressed air is supplied through the supply port. The adjustment member s provided so as to allow adjustment of the upper limit position from outside the housing.
US11174946B2 Magnetic fluid seal
A magnetic fluid seal includes an outer cylinder member that houses therein a rotating shaft extending from a housing of a fluid machine, magnetic pole members housed in the outer cylinder member, disposed around the rotating shaft and forming a magnetic circuit, and sealing films to be formed from magnetic fluids, in an axial direction, in magnetic connection with the magnetic circuit, and between the magnetic pole members and the rotating shaft. The magnetic fluid seal further includes a gas supply passage that allows a gas to flow from an outside toward the magnetic pole members.
US11174945B2 Gasket
A gasket improves sealing performance. A gasket to be placed in an annular groove includes an annular base to be placed in the groove, and a plurality of protrusions arranged at intervals on the base in a circumferential direction of the base. The protrusions protrude from the base to face side surfaces of the groove and have support surfaces with curvatures corresponding to curvatures of the side surfaces of the groove. Each protrusion has a length in the circumferential direction greater than an interval between facing ends of adjacent ones of the protrusions in the circumferential direction.
US11174942B2 Sealing ring made of a high-performance thermoplastic material and liquid silicone
A sealing ring for a header of an implantable device has an outer ring and an inner ring. The outer ring is formed with, or of, a high-performance thermoplastic material. The inner ring is formed with, or of, liquid silicone or polyurethane. The inner and outer rings are arranged with a form-fit relative to each other. There is also described a method for manufacturing such a sealing ring and also a contact socket and an implantable device with such a sealing ring.
US11174936B2 Flexible support structure for a geared architecture gas turbine engine
A gas turbine engine includes a fan shaft that drives a fan that has fan blades. The fan delivers airflow to a bypass duct. A gear system is connected to the fan shaft and is driven through an input defining an input lateral stiffness and an input transverse stiffness. A gear system flex mount arrangement accommodates misalignment of the fan shaft and the input during operation. A frame for supporting the fan shaft defines a frame lateral stiffness and a frame transverse stiffness. The input lateral stiffness is less than 11% of the frame lateral stiffness and the input transverse stiffness is less that 11% of the frame transverse stiffness.
US11174934B2 Universal bellhousing, system and method therefore
A method of forming a universal bellhousing which may be adapted to a variety of automotive engine and transmission combinations is disclosed. The bellhousing is made by spin forming a sheet of material and welding a transmission plate to the cone. The cone and transmission plate are indexed to mount to a specific, desired engine-transmission combination.
US11174923B2 Telescopic ballscrew actuator
An apparatus for a thrust reverser actuation system (“TRAS”), the apparatus comprising: an input shaft; a first component located concentrically around the input shaft; a second component located concentrically around the first component; a first balls crew mechanism between the input shaft and the first component, and configured such that rotational movement of the input shaft causes a translational movement of the first component via the first ballscrew mechanism; and a second ballscrew mechanism between the first component and the second component, and configured such that rotational movement of the first component causes a translational movement of the second component via the second ballscrew mechanism.
US11174922B2 Reversible variable drives and systems and methods for control in forward and reverse directions
A ball-planetary continuously variable transmission (CVT) capable of stable control in forward and reverse rotation over a range of speed ratios including underdrive and overdrive is provided. Imparting a skew angle (zeta) causes unbalanced forces that change the tilt angle (gamma), resulting in a change in speed ratio of the CVT. Angularly orientating a control system of the CVT with a positive offset angle (psi) configures the CVT for operation in a first direction of rotation or angularly orientating the control system with a negative offset angle (psi) configures the CVT for operation in a reverse direction of rotation. A control system for configuring the offset angle (psi) may lead or trail the planets. The control system may configure a larger offset angle for more stable control or may configure a smaller offset angle for higher sensitivity in potential rollback scenarios.
US11174921B2 V tensioner and endless drive arrangement
In an aspect, a V tensioner is provided and includes a first arm and a second arm. A damping structure and a damping system biasing member are provided. The damping system biasing member is positioned axially in between the first and second arms.
US11174920B2 Transmission apparatus of agricultural working automobile
The present invention relates to a transmission apparatus of an agricultural working automobile, the transmission apparatus comprising: a first gear-shifting part for performing gear-shifting to adjust the speed of an agricultural working automobile; and a second gear-shifting part for performing gear-shifting to adjust the speed of the agricultural working automobile, wherein the second gear-shifting part comprises a sub-gear-shifting drive mechanism for performing gear-shifting, using one operation selected from among an operation transferred through a first power transmission path from the first gear-shifting part and an operation transferred through a second power transmission path from the first gear-shifting part.
US11174916B2 Aircraft engine reduction gearbox
An aircraft engine reduction gearbox includes a power input and a power output, and an epicyclic gear train engaged with the power input and the power output. The epicyclic gear train includes a sun gear engaged with the power input and centrally disposed to define a center axis of the epicyclic gear train. Compound planet gears are mounted to a carrier and rotatable about respective planet gear axes. Each compound planet gear has an input gear in meshed engagement with the sun gear, and output gears axially spaced from the input gear. Ring gears are axially spaced apart and rotatable about the center axis. The ring gears are engaged with the power output. Each ring gear is in meshed engagement with one of the output gears.
US11174911B2 Structures, lattice materials and lattice cylindrical shells with simultaneous stretch- and compression-expanding property
The present invention belongs to the technical fields of novel structure design and lattice material design, and refers to structures, lattice materials, and lattice cylindrical shells with simultaneous stretch- and compression-expanding property. First, use the local tension-compression asymmetry in the tension modulus and compression modulus generated by the contact nonlinearity of the tension springs to construct a type of 2D structures and lattice materials with stretch- and compression-expanding property. Then by assembling the 2D structures in different directions, 3D structures and lattice materials can be constructed. Meanwhile, a lattice cylindrical shell can also be constructed by using the 2D stretch- and compression-expanding structures as the unit cell. The structures and lattice materials presented in this invention can be used as a specific functional material and has a promising application in the fields of energy absorption, vibration reduction, medical treatment, wave propagation, intelligent components, and so on.
US11174904B2 Field core unit for electromagnetic clutch
A field core unit for an electromagnetic clutch can include: a field coil generating a magnetic flux; a magnetic part provided with an annular-shaped insertion groove encompassing lower and side portions of the field coil such that the magnetic flux flows through the magnetic part; and a field core configured such that an upper surface thereof is open and an interior space is formed therein. The magnetic part can be inserted into the field core.
US11174900B2 Attachment of disk to shaft using a wedge
In one example in accordance with the present disclosure an apparatus for attaching to a shaft using a wedge is described. The apparatus includes a disc having a longitudinal axis. At least a portion of the disc is insertable into a shaft and is expandable against an inside diameter of the shaft. The disc has a recess at the longitudinal axis. A wedge to be inserted into the recess pushes the portion of the disc that is insertable into the shaft against an inside diameter of the shaft.
US11174899B1 Sealing system for bearing assembly for floor machine
The sealing system seals the bearings of a floor machine. The sealing system provides a sealing base and a sealing head. A seal is positioned between the sealing base and the sealing head to seal the bearing. The sealing base secures to the driver plate. The sealing base extends upward above the bearing. The sealing head is positioned above the sealing base. The sealing head is positioned radially inward of the sealing base at the bearing. The sealing head extends upward above the sealing base and extends outward beyond an upper portion of the sealing base to be located radially outward from the sealing base. The seal is located at an upper portion of the sealing base. The seal is located radially outward from the sealing base. The seal is located below the sealing head at a sealing aperture located between a sealing shoulder and a sealing neck.
US11174896B2 Motion guiding device and transport device
In a motion guiding device including a track body, and a moving body provided to be movable along the track body, the track body includes a groove formed along a longitudinal direction of the track body and a plurality of rolling surfaces formed inside and outside the groove. The moving body includes a plurality of rotating bodies that roll on the plurality of rolling surfaces, and adopts a configuration in which respective contacts in which the plurality of rotating bodies are in contact with the plurality of rolling surfaces are disposed on the same straight-line in a cross-section orthogonal to the longitudinal direction of the track body.
US11174890B1 Fastener retaining component
A fastener retaining component may comprise a first elongated member. A length of the first elongated member may be greater than a diameter of a fastener receiving element of a component. The fastener retaining component may further comprise a second elongated member. A length of the second elongated member may be greater than the diameter of the fastener receiving element. The fastener retaining component may be configured to be press-fit within the fastener receiving element such that press-fitting the fastener retaining component, within the fastener receiving element, increases a tension in the fastener retaining component to cause the first elongated member and the second elongated member to engage with an inner surface of the fastener receiving element and to retain a fastener within the fastener receiving element.
US11174889B2 Joining element
The invention relates to a joining element comprising a shaft to be placed into a component; a head provided at a first end of the shaft; and a punching element attached in a losable manner to a second end of the shaft remote from the head.
US11174883B2 Laser welded joint and method of production of same
A laser welded joint improving the tensile shear strength without causing an increase in the welding time and without using an expensive remote laser head, that is, a laser welded joint obtained by arranging metal sheets overlaid and welding them by a laser beam from the overlaid direction, wherein when a total thickness of the metal sheets welded overlaid is “t” (mm), the width of the weld metal at the joined interface is 0.6t1/3+0.14 (mm) or more.
US11174881B2 Pressure resistant device and fluid pressure cylinder
A pressure resistant device includes a tubular main body portion, a lid portion having a wall portion joined to the main body portion, a positioning portion provided to oppose an inner peripheral surfaces of the main body portion and the wall portion, and a groove portion formed on the inner peripheral surface, and the positioning portion is provided to oppose an edge of the groove portion.
US11174876B2 Blower
A blower includes a fan that sends out air, a guiding member that guides air moving towards the fan or the air sent out by the fan, and a vibration suppressing member that is provided on a side opposite to a side where the guiding member is provided with the fan interposed therebetween, and that reduces vibration of the fan.
US11174874B2 Multistage centrifugal pump with compression bulkheads
A multistage centrifugal pump includes an upstream housing and a downstream housing. The upstream housing and the downstream housing each have a first end, a second end and a plurality of turbomachinery stages. Each of the plurality of turbomachinery stages includes a diffuser and an impeller. A compression bulkhead is connected between the second end of the upstream housing and the first end of the downstream housing. The compression bulkhead applies a compressive force to the diffusers within the upstream housing.
US11174871B2 Air duct assemblys, and fan heaters
Disclosed are an air duct assembly and a fan heater applying in the air duct assembly, which includes a volute tongue positioned in the volute forms an air duct with the volute. The air duct is configured with an air inlet and an air outlet. A cross-flow wind turbine positioned in the air duct introduce the airflow into the air duct from the air inlet, and blow out the airflow in the air duct through the air outlet. The volute includes a first volute tongue member, the size of the angle between the line connecting the root portion M of the first volute tongue member to the axis O of the cross-flow wind turbine and the line connecting the root portion N of the second volute tongue member to the axis O of the cross-flow wind turbine on the same cross-section is from 110° to 170°.
US11174866B1 Centrifugal compressor
A pressure relief passage includes a first pressure relief passage and a second pressure relief passage. A pressure relief hole is provided in an upper part of the first pressure relief passage in the direction of gravitational force. The second pressure relief passage merges with the first pressure relief passage to form a merging portion. The cross-sectional flow area of a stagnation portion, which is the maximum cross-sectional flow area of the second pressure relief passage, is smaller than the cross-sectional flow area of a connection passage, which is the minimum cross-sectional flow area of the first pressure relief passage.
US11174864B2 Vane-type gas pump
A vane-type gas pump includes a pump housing which forms a pump chamber in which a pump rotor with at least one slidable sliding element is rotatably mounted. At least one fluid inlet opening and at least one fluid outlet opening are dedicated to the pump chamber. The pump housing includes a closed stroke ring, a first separate thrust washer, and a second separate thrust washer. At least one stroke ring adjustment device axially clamps the closed stroke ring directly to the first separate thrust washer. At least one separate housing clamping device axially clamps the first separate thrust washer, the closed stroke ring, and the second separate thrust washer together.
US11174856B2 Apparatus and methods for counterbalancing a pumping unit
Embodiments of the present disclosure generally relate to apparatus and methods for counterbalancing a pumping unit. One embodiment of the present disclosure provides a method for operation a pumping unit. The method includes measuring an orientation of a component and one or more parameters of the pumping unit while running the pumping unit, and determining an imbalance of the pumping unit according to the measured orientation and one or more parameters.
US11174853B1 Hand-operated air pump
The hand-operated air pump is a mechanical device. The hand-operated air pump compresses atmospheric gas for use in an inflatable structure. The hand-operated air pump comprises a housing and a pump structure. The housing contains the pump structure. The housing transfers externally provisioned motive forces that are required to operate the pump structure. The pump structure compresses the atmospheric gas used in the inflatable structure. The pump structure transports the compressed atmospheric gas to the inflatable structure. The pump structure measures the pressure of atmospheric gas contained in the inflatable structure.
US11174852B2 Reciprocating pump
A pump suitable for use in a wearable medical device, such as a patch pump, comprises an axially translatable chamber with an inlet and an outlet, a piston or a diaphragm rotatably received in the chamber, a first valve between the inlet and the chamber, a second valve between the outlet and the chamber, a cam affixed to the chamber, a follower affixed to the piston and in contact with the cam for axially translating the chamber, and a biasing means acting on the chamber for applying a force on the chamber in an axial direction of the chamber to maintain such contact.
US11174844B2 Generating energy using airflow from a moving elevator cabin
Aspects of the present invention provide an approach for controlling energy generation by an airflow originating from a moving elevator cabin. Wing pressure pads are positioned outside the elevator cabin extending to walls of the elevator shaft for preventing an airflow in the elevator shaft from above the elevator cabin to an area in the shaft below the elevator cabin. The elevator shaft is pressure-tight, and the elevator shaft has, at one end of the elevator shaft, an air conduit in which a first power generator stage having a propeller-driven electrical power generator is positioned. The method further intercepts a floor selection for the cabin and disables the power generators if a floor difference from a current position of the elevator cabin to a target position of the elevator cabin is below a predefined threshold value.
US11174842B2 Yaw control method, device and system for wind turbine
A yaw control method for a wind turbine, comprising the following steps: acquiring the current or future ambient wind speed and yaw angle of a wind turbine; estimating a power change value of the wind turbine caused by performing a yaw action on the basis of the yaw angle at the ambient wind speed; determining a yaw control strategy of the wind turbine according to the estimated power change value; transmitting a command to the wind turbine, so as to enable the wind turbine to perform the determined yaw control strategy. In addition, also provided are a device and system for performing the control method. The yaw control method, device and system can lower the loss of the wind turbine, reduce the overall load under certain extreme working conditions, and can also exploit the power generation potential of the wind turbine.
US11174839B2 Turbine with smart pitch system and blade pitch lock assembly
A system comprising a blade pitch system having a set of locking holes. A pitch drive assembly is coupled to the blade pitch system and configured to rotate clockwise or counterclockwise within a range of angular degrees to adjust a blade pitch angle. The system includes a pitch lock pin-and-hole system including an interface plate and at least one blade pitch lock assembly coupled to the interface plate. Each lock assembly includes a locking pin having a pin center axis parallel with a center axis of a locking hole to engage a respective one locking hole of the set to lock the blade pitch angle.
US11174837B2 Method of controlling a wind turbine and wind turbine
a method of controlling a wind power installation comprising the steps: detecting a precipitation in the region of the wind power installation by a precipitation sensor, and controlling the wind power installation in a first operating mode based on a first pitch angle characteristic in which the pitch angle is set in dependence on the power, and in a second operating mode based on a second pitch angle characteristic, wherein the first operating mode is selected if there is no precipitation and the second operating mode is selected if there is precipitation.
US11174830B2 Floating wave energy device
A floating wave energy converter intended to be installed in an aquatic environment comprising a surface, water and a bed, realized by a cylinder including an energy-production device, and connectors connected to anchors, wherein the connectors intersect.
US11174827B1 Fuel injector with internal radial seal with thin wall counterbore
A fuel injector body includes an at least partially annular configuration defining a longitudinal axis, a circumferential direction, and a radial direction. A first counterbore and a first cavity extend from the first end toward the second end, and an external interface portion includes a sealing surface disposed axially between the first end and a shoulder. The first cavity defines a bottom surface and a peripheral surface defining a first cavity diameter, and the sealing surface defines a sealing surface diameter. A ratio of the sealing surface diameter to the first cavity diameter ranges from 0.3 to 4.4.
US11174825B2 Seal configuration for fuel injector
A seal configuration for a fuel injector is disclosed. The seal configuration may include a seal ring within a seal groove of the fuel injector. The seal ring may be formed from a first material. The seal configuration may include a spacer ring within the seal groove of the fuel injector. The spacer ring may be formed from a second material. An outer diameter of the spacer ring may be greater than a diameter of a fuel injector bore of the fuel injector. The spacer ring may be configured to be adjacent the seal ring within the seal groove to form a seal of a fuel injector slot of an engine head of an engine, and the fuel injector slot is configured to support the fuel injector.
US11174824B2 Cover for fuel tank
A fuel tank cover (150) is provided with a flange unit (22) closing an opening of a fuel tank, and a joint member (24) configured to be connected to the flange unit (22) movably in the upward/downward direction. The flange unit (22) includes a side tubular portion (43) extending in the upward/downward direction. The joint member (24) includes a columnar portion (160) extending in the upward/downward direction. The columnar portion (160) is inserted into the side tubular portion (43) movably in the upward/downward direction. A metal retainer (162) is provided to cover an outer circumferential surface of the columnar portion (160).
US11174823B2 Valve
A hot gas exhaust recirculation valve includes a housing containing a duct for conducting gases, a drive chamber, and a valve stem which is mounted in the housing. The valve stem can be displaced in its longitudinal direction thereof and extends from the drive chamber into the duct. The end of the valve stem that is situated in the drive chamber is coupleable to a drive device. A closing body is fastened to the other end of the valve stem. The closing body is situated in the duct and has a closed position in which it separates an upstream section of the duct from a downstream section of the duct. A sealing ring surrounds the valve stem and is arranged between the duct and the drive chamber. The valve stem is supported within two bearing bushings that are spaced apart from each other, between which the sealing ring is arranged.
US11174819B2 Starting-fuel supply device, adapter, and engine work machine
Provided is a starting-fuel supply device, including: a starting-fuel supply valve configured to automatically add a starting fuel to an air-fuel mixture generated by a carburetor; and a valve chamber for the starting-fuel supply valve, wherein a fuel in a fuel tank is allowed to move to an intake passage through the valve chamber for the starting-fuel supply valve with use of a manual pump configured to suck up the fuel in the fuel tank into a carburetor before start of an engine, and wherein the valve chamber is disposed at a position below the intake passage when the engine is in a stored state.
US11174818B2 High temperature thermal protection system for rockets, and associated methods
A high temperature thermal protection systems for rockets, and associated methods, is disclosed. A representative system includes a launch vehicle having a first end and a second end generally opposite the first end. The launch vehicle is elongated along a vehicle axis extending between the first and second ends and carries a propulsion system having at least one nozzle positioned at the second end of the launch vehicle. A thermal protection apparatus positioned around the nozzle is used to provide cooling and/or insulation to the nozzle during the flight of the launch vehicle. The thermal protection apparatus can include multiple fabric layers and an insulation layer stacked and stitched together. The fabric layers can include metal alloy fibers. In representative systems, the thermal protection apparatus can further include provisions for water that saturates the insulation layer to provide further insulating and/or cooling effects.
US11174816B2 Bypass duct conformal heat exchanger array
A gas turbine engine coupled to an aircraft includes an engine core arranged axially along an axis, a bypass duct arranged circumferentially around the engine core to define a bypass channel, and a heat exchanger system. The bypass channel is arranged to conduct bypass air around the engine core to provide thrust for the gas turbine engine. The heat exchanger system is configured to provide cooling for the engine core.
US11174815B2 Inlet deep cavity flutter liner
A nacelle inlet may comprise an aft bulkhead, an attachment ring extending in an aft direction from the aft bulkhead, an acoustic liner disposed radially inward from the attachment ring, the acoustic liner comprising a proximal skin, a distal skin, and a core disposed between the proximal skin and the distal skin, and a shroud extending longitudinally between a forward side of the shroud and an aft side of the shroud and extending circumferentially between a first end of the shroud and a second end of the shroud, wherein the shroud defines a plenum disposed between the acoustic liner and the shroud, the plenum is in fluid communication with the core via perforations in the distal skin. The plenum may serve to attenuate low frequency noise known as “buzz saw” tones and/or alleviate pressure resonance conditions that may cause structural damage to the engine fan blades.
US11174811B2 Fuel system configured for back end rate shaping using mechanically actuated fuel injector
A fuel system includes a mechanically actuated fuel injector having a spill valve assembly and a control valve assembly. A rate shaping control unit is coupled with a spill valve actuator and a control valve actuator, and structured to adjust a dwell time, cycle to cycle, between opening of a spill valve and closing of a check control valve. Adjusting the dwell time enables varying a back end rate shape, cycle to cycle, of fuel injections from a fuel injector into a cylinder in an internal combustion engine.
US11174808B2 Air-fuel ratio control system and air-fuel ratio control method
An air-fuel ratio control system (1) including an air-fuel ratio control section (3) for controlling the air-fuel ratio λ of an air-fuel mixture, an exhaust gas purifier (4); an air-fuel ratio sensor (5) whose output changes sharply when λ in the exhaust gas changes between rich and lean sides about a stoichiometric air-fuel ratio; a heater (6); and a temperature control section (7). The air-fuel ratio control section (3) controls λ based on the output of the air-fuel ratio sensor (5) using, as a target air-fuel ratio, a predetermined air-fuel ratio such that 0.980≤λ<1.000 is satisfied, and when a change amount Δλ λ is 0.008, an output difference ΔV is 150 mV or smaller. The temperature control section (7) controls the temperature of the air-fuel ratio sensor (5) to a predetermined target temperature of 650° C. or higher.
US11174806B2 Oxygen sensor system and method
A method of operating an oxygen sensor system is provided where the system includes an oxygen sensor, the oxygen sensor including a pump cell, and wherein the oxygen sensor is connected to associated circuitry such that the associated circuitry controls operation of the pump cell. The pump cell includes a pump line connected to a pump electrode of the pump cell and a return line connected to a return electrode of the pump cell. The method includes, subsequent to a diagnostic process, raising the potential of the pump line for a predetermined period of time by injecting current onto the pump line.
US11174804B2 Controller and control method for vehicle
A controller includes a soak timer, a nonvolatile memory, and a determining section. The determining section is configured to perform a rationality check on a condition that a performance condition is met. The determining section is also configured to make the performance condition strict when an obtained index value of a vehicle outside temperature, that is obtained when an elapsed amount of time reaches a specified amount of time, and the determining section is activated, is higher than a stored index value of the vehicle outside temperature stored in the nonvolatile memory.
US11174799B2 Integrated VDA housing with anti-rotation feature
A throttle control assembly which includes a housing, an adapter integrally formed with the housing, an anti-rotation feature integrally formed with the housing and the adapter, and a scallop. The scallop substantially surrounds the anti-rotation feature, and the anti-rotation feature and the scallop are integrally formed with the housing and the adapter during a molding process, such as a metal injection molding process, or a casting process. A first groove is integrally formed as part of the adapter, a second groove is integrally formed as part of the housing, and a rib portion is disposed between the first groove and the second groove. A lower wall portion is integrally formed as part of the housing, such that the lower wall portion is adjacent the scallop. A portion of the scallop is integrally formed as part of the housing, and a portion of the scallop is integrally formed as part of the adapter.
US11174796B2 Accessory gearbox assembly
The disclosure relates to a gas turbine engine having an accessory gearbox assembly having an accessory gearbox. The accessory gearbox assembly is mounted adjacent a core of the gas turbine engine and has a support formation for supporting a conduit. The conduit extends between a first location on the engine and a second location on the engine. The first location and the second location may be spaced from the accessory gearbox such that the conduit does not operatively communicate with the accessory gearbox in use. The accessory gearbox may be axially mounted and may provide a bridge for supporting a plurality of conduits.
US11174795B2 Seal assembly with secondary retention feature
An assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a gas turbine engine component that has a first interface portion, and a support that has a mounting portion and a second interface portion, the mounting portion attachable to an engine static structure, a first retention feature that releasably secures the first interface portion to the support in a first installed position of the gas turbine engine component, and a second retention feature dimensioned to secure the first interface portion to the second interface portion in a second installed position of the gas turbine engine component. The first installed position differs from the second installed position, and one of first and second retention features is dimensioned to carry the gas turbine engine component in response to release of another one of the first and second retention features. A method of sealing for a gas turbine engine is also disclosed.
US11174793B2 Hydraulic starter assembly for a gas turbine engine
A starter assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a fluid-actuated starter coupled to a spool, and a controller operable to cause a reduction in torque output of the starter in response to determining that a first predefined threshold is met. The first predefined threshold relates to an engine operational condition. A method for starting a gas turbine engine is also disclosed.
US11174792B2 System and method for high frequency acoustic dampers with baffles
A rotary machine includes at least one burner including a front panel having a front side and an opposing back side. The acoustic damper includes at least one wall, at least one cooling air inlet, at least one outlet, and at least one baffle. The wall extends from the back side of the front panel and defines a dampening chamber. The cooling air inlet is defined within the back side of the front panel and is configured to channel a flow of cooling air into the dampening chamber. The outlet is defined within the back side of the front panel and is configured to channel the flow of cooling air out of the dampening chamber. The baffle extends from the back side of the front panel and is configured to reduce a velocity of the flow of cooling air within the dampening chamber.
US11174790B2 Gas turbine engine having an air-oil heat exchanger
A gas turbine engine includes: a core engine surrounded by a core fairing; a propulsive fan; a nacelle surrounding the propulsive fan, the core fairing and the core engine; and a fan duct for receiving a bypass air flow accelerated by the propulsive fan, the fan duct being defined between the nacelle and the core fairing. The gas turbine engine further includes an air-oil heat exchanger for cooling engine oil using an air flow diverted from the bypass air flow, the heat exchanger being mounted behind a wall of the fan duct. The gas turbine engine further includes a flow passage which receives the diverted air flow at a first location in the fan duct, delivers the diverted air flow to the heat exchanger, and returns the diverted air flow to the fan duct at a second location which is downstream of the first location.
US11174789B2 Air cycle assembly for a gas turbine engine assembly
A gas turbine engine assembly includes a turbomachine including a compressor section, a combustion section, and a turbine section in serial flow order; a fuel delivery system operable with the combustion section of the turbomachine for providing fuel to the combustion section of the turbomachine; and an air cycle assembly including an air cycle machine and a heat exchanger, the air cycle machine in airflow communication with the compressor section of the turbomachine and the heat exchanger in airflow communication with the air cycle machine. The gas turbine engine assembly also includes a thermal transfer bus thermally coupling the heat exchanger of the air cycle assembly to the fuel delivery system for transferring heat from the air cycle machine to the fuel delivery system.
US11174788B1 Systems and methods for cooling an endwall in a rotary machine
A core for use in cooling a component used in a rotary machine is provided. The core includes a passage including a divider separating a first inlet portion and a second inlet portion to define a split pass inlet, which is fluidly coupled to at least one first pass, at least one second pass, and at least one turn. The at least one first pass channels a flow of cooling fluid in a first direction from the split pass inlet. The at least one second pass channels the flow of cooling fluid in a second direction opposite the first direction. The at least one turn changes a direction of flow of the cooling fluid from the first direction to the second direction. The at least one first pass, the at least one second pass, and the at least one turn are arranged, such that the passage defines a serpentine passage.
US11174784B2 Method of operating a gas turbine power plant with exhaust gas recirculation and corresponding gas turbine power plant
An exemplary gas turbine power plant includes a gas turbine with a compressor having a compressor inlet. A combustion chamber follows the compressor and a turbine follows the combustion chamber. A cross section of the compressor inlet includes an inner sector and an outer sector in relation to the axis of rotation of the compressor. A plurality of feed ducts introduces oxygen-reduced gas into the inner sector of the compressor inlet. The plurality of feed ducts is arranged in the compressor inlet so as to be distributed in a circumferential direction on a circle concentrically with respect to the axis of the gas turbine.
US11174783B2 High-efficiency power generation system
A high-efficiency power generation system includes: a combustor configured to generate a circulating fluid by burning a fuel; an expander configured to generate power by expanding the circulating fluid; a power generator configured to generate electricity using the power generated by the expander; a compressor configured to compress the expanded circulating fluid; a pump configured to circulate the compressed circulating fluid; a heat exchanger configured to allow the expanded circulating fluid passing through the expander and the compressed circulating fluid passing through the compressor to exchange heat with each other; and a power transmitter including a driving shaft, and configured to rotate a driven shaft, which includes shafts of the compressor and the pump, to transmit the power generated by the expander to the compressor and the pump.
US11174779B2 Turbocharger system for a two-stroke engine
A turbocharger and method of controlling the same includes a turbine housing comprising an inlet and an outlet, turbine wheel coupled to a shaft. The turbine housing comprising a first scroll and a second scroll for fluidically coupling the inlet and the turbine wheel. The first scroll has a first end adjacent the inlet and a second end adjacent the turbine wheel. The second scroll has a third end adjacent the inlet and a fourth end adjacent the turbine wheel. An exhaust gas diverter valve is coupled to the turbine housing restricting flow into the first scroll or the second scroll.
US11174778B2 Precombustion chamber gas engine
A precombustion chamber gas engine includes a main-chamber forming portion forming a main combustion chamber, a precombustion-chamber forming portion forming a precombustion chamber communicating with the main combustion chamber via nozzle holes, and an ignition device disposed in the precombustion chamber and having an ignition portion spaced from the main chamber central axis at a predetermined distance. In a plan view, the precombustion chamber has a near-ignition region including the ignition portion and a far-ignition region opposite to the near-ignition region separated by a borderline passing through the precombustion chamber central axis and perpendicular to a straight line passing through the precombustion chamber central axis and the ignition portion. The cross-sectional area of a specific near nozzle hole which is at least one nozzle hole in the near-ignition region is smaller than the cross-sectional area of a specific far nozzle hole which is at least one nozzle hole in the far-ignition region.
US11174776B2 Optimized component for purifying exhaust gases
A purification component comprises at least one block for purifying exhaust gases, and a casing that defines a circulation channel for the exhaust gases extending along a longitudinal axis, and in which the purification block is housed. The casing comprises an inlet portion, an outlet portion, and a central portion arranged between the inlet portion and the outlet portion, and with the central portion surrounding the purification block. A thermal insulator covers the whole of the casing. The thermal insulator comprise a first part, having a first temperature resistance, arranged radially facing the purification block, and a second part, having a second temperature resistance greater than the first temperature resistance, covering at least the inlet portion of the casing.
US11174774B2 Structures for catalytic converters
Various structures for catalytic convertors are disclosed herein. The device includes an outer housing enclosing a catalytic core. The catalytic core can be formed in a myriad of ways. Flow paths through the core are constructed so that they are not straight-line paths from the inlet of the device to the outlet of the device. Pleated conformations and stacked core arrays are described that maximize the catalytic surface area in a given volume of housing. The application of the core to exhaust from diesel engines is also disclosed.
US11174769B2 Work machine provided with engine
A work machine is capable of detecting an abnormality in the amount of soot in exhaust gas in an exhaust pipe upstream of an exhaust gas aftertreatment device. The work machine includes: an exhaust gas sensor which detects the amount of soot contained in exhaust gas between an engine and an exhaust gas aftertreatment device and generates a soot amount detection signal; and a controller into which the detection signal is input. The controller includes an abnormality judgment section that makes an abnormality judgment on whether or not the detected soot amount is abnormal, and a threshold setting section that sets a soot amount threshold that is a threshold for making the abnormality judgment. The abnormality judgment section judges an abnormality when the value of the soot amount corresponding to the soot amount detection signal is larger than the soot amount threshold.
US11174765B2 Abnormality assessment device of internal combustion engine
An abnormality assessment device includes an on-off valve that shuts an intake path on an upstream side of a connection portion of a breather line with respect to the intake path and an abnormality assessment element that assesses abnormality of the breather line. The abnormality assessment element assesses abnormality of the breather line based on a difference between an intake flow rate that is detected by an intake flow rate sensor and a target intake flow rate in a case where the on-off valve is closed.
US11174764B2 Method for controlling the oil pressure of an oil pump in a combustion engine and an oil pressure arrangement
The invention relates to a method for controlling the oil pressure of an oil pump (40, 140) in a combustion engine (100). The combustion engine (100) comprises a crankcase (11) and a separator (14, 114) for separating oil present in a blow-by gas from the crankcase (11). The method comprises the step (201) of providing oil pressure demand for a set of different engine operation conditions, the oil pressure demand defining the theoretical required oil pressure of the oil pump (40, 140); the step (203) of controlling the oil pressure of the oil pump (40, 140) based on the oil pressure demand for at least one engine operation condition in the set of different engine operation conditions; the step (205) of driving the separator (14, 114) using oil from the oil pump (40, 140), the oil being pressurized based on the oil pressure demand.
US11174763B2 Gas exchange valve for an internal combustion engine
A gas exchange valve for an internal combustion engine may include a valve stem and a wear resistance improving functional layer. The valve stem may extend in an axial direction and may transition into a valve plate in the axial direction. The functional layer may include nickel and tungsten. The functional layer may be arranged in a coating area on an outer circumference of the valve stem and may at least partially define a sliding surface.
US11174761B1 Variable camshaft timing (VCT) phaser assembly and control valve installed remotely
A variable camshaft timing (VCT) phaser assembly and control valve are employed for use in an internal combustion engine. The VCT phaser assembly has a housing and a rotor. The control valve is installed at a location that is remote of the housing and rotor, and apart from a center bolt site of the housing and rotor. The control valve has a valve housing and a spool located in the valve housing. The valve housing has different ports for fluid communication with a source, an advance line, and a retard line. One or more recirculation paths can be established at various times between the valve housing and the spool, depending upon the position of the spool in the valve housing.
US11174760B2 Camshaft phaser
A camshaft phaser includes an input member and an output member. A valve spool is moveable along an axis between an advance position and a retard position and includes a valve spool bore. A check valve within the valve spool bore includes a check valve member which moves between a seated position and an unseated position such that the check valve member prevents fluid flow out of the valve spool bore through a passage and such that the check valve member permits flow into the valve spool bore through the passage. An insert within the valve spool bore supports the check valve closes one end of the valve spool bore and abuts an insert retainer to retain the insert within the valve spool bore. A spring urges the insert toward the insert retainer and holds the insert retainer in compression against the insert retainer.
US11174759B2 Systems and methods for power production using nested CO2 cycles
The present disclosure relates to systems and methods useful for power production. In particular, a power production cycle utilizing CO2 as a working fluid may be combined with a second cycle wherein a compressed CO2 stream from the power production cycle can be heated and expanded to produce additional power and to provide additional heating to the power production cycle.
US11174754B1 Thermal bridge for connecting sections with a large temperature differential under high-pressure conditions
A thermal bridge forms a connection between a cold side and a hot side that is capable of withstanding a large temperature differential while high-pressure gas (e.g., air) flows between the two sides within an internal passageway. A cold-side region and hot-side region of the thermal bridge may each have a flange with a plurality of holes. The cold-side region may also include a conical fillet with counterbore recesses to provide access to each of the plurality of holes from a low radial position.
US11174752B2 Ceramic matrix composite component including cooling channels in multiple plies and method of producing
A ceramic matrix composite (CMC) component and method of fabrication including one or more elongate functional features formed in multiple fiber plies of the CMC component. The CMC component includes a plurality of longitudinally extending ceramic matrix composite plies in a stacked configuration. Each of the one or more elongate functional features includes an inlet and an outlet to provide a flow of fluid from a fluid source to an exterior of the ceramic matrix composite component. The one or more elongate functional features are configured in multiple plies of the plurality of longitudinally extending ceramic matrix composite plies to form a plurality of cooling channels in multiple plies of the ceramic matrix composite component.
US11174745B2 Turbine stator blade
A stator blade of an embodiment includes: a blade effective part having hollow portions; an outer shroud having an outer plate flange portion provided on a radial-direction outer side of the blade effective part, and a pair of outer mounting portions provided in a circumferential direction on a front edge side and a rear edge side; an inner shroud having an inner plate flange portion provided on a radial-direction inner side of the blade effective part; cooling medium introduction passages which introduce a cooling medium via opening portions formed in the outer plate flange portion and passing through the outer plate flange portion in a radial direction, to the hollow portions; and a cooling medium introduction passage formed in a direction along a surface of the outer plate flange portion in a wall thickness of the outer plate flange portion, which introduces a cooling medium to the hollow portion.
US11174742B2 Turbine section of a gas turbine engine with ceramic matrix composite vanes
A turbine section for use in gas turbine engine includes a turbine case, turbine shroud rings, a turbine vane assembly, and a vane mount ring. The vane mount ring couples the turbine vane assembly to the turbine case.
US11174741B2 Platform for an airfoil of a gas turbine engine
Platforms for airfoils in gas turbine engines are provided. The platforms include an aero-structure defining a gaspath surface and a non-gaspath surface, a first securing element arranged to receive a locking pin and secure the aero-structure to a rotor disk, and a first securing element structure extending between the non-gaspath surface and the first securing element, wherein the first securing element structure comprises at least two legs defining a hollow space between the two legs and the non-gaspath surface.
US11174735B2 Patch rings and methods of use
Shaft assemblies, turbomachines, and methods of servicing a turbomachine are provided. A shaft assembly includes a first shaft having a first rabbet annularly defined therein. The first rabbet includes a first axially extending face and a first radially extending face. A second shaft coupled to the first shaft. The second shaft includes a second rabbet annularly defined therein and positioned opposite the first rabbet. The second rabbet includes a second axially extending face and a second radially extending face. A patch ring is mounted between the first rabbet and the second rabbet. The patch ring includes a main body positioned between and in contact with the first axially extending face and the second axially extending face. A first arm extends radially outward from the main body, and a second arm extends radially inward from the main body.
US11174729B2 Inflow testing systems and methods for oil and/or gas wells
Systems and methods for testing one or more closeable or fixed ports in a horizontal section of a well are provided. One of the systems comprises a jointed tubing string deployable by a service rig and a bottomhole assembly attached the jointed tubing string, the bottomhole assembly comprising a jet pump, a pressure sealing device, and an intake. The system may further include one or more of a shifting tool, a casing collar locator, an extension tubing, and an isolation device. The system draws fluid from the ports through the intake and the fluid may be tested as it flows through the buttonhole assembly and/or at surface. The isolation device may have a lower portion that is detachable from and re-attachable to the remaining components of the bottomhole assembly thereabove.
US11174728B2 Estimation of formation elastic constants from drilling
Systems and methods are provided for identifying one or more properties of a rock formation. A system may be configured to receive sensor data obtained from one or more sensors, the sensor data generated from drilling operations performed in a wellbore, generate stress metrics and strain metrics for the sensor data based on a calibrated stress and strain map, and identify one or more properties of a rock formation based on the stress metrics and the strain metrics.
US11174727B2 Look-ahead resistivity configuration
A system and a method for a look-ahead drill bit. The system may comprise an ultra-deep transmitter operable to transmit a low frequency signal into a formation, a shallow tool operable to transmit a high frequency signal into the formation, at least one ultra-deep receiver operable to record a reflected low frequency signal, and at least one pair of collocated receivers, wherein the at least one pair of collocated receivers are operable to record a reflected high frequency signal. A method may comprise transmitting a high frequency signal from the shallow tool into the formation, transmitting a low frequency signal from the ultra-deep transmitter into the formation, evaluating the reflected high frequency signal and the reflected low frequency signal on an information handling system with a look-ahead inversion, and steering the bottom hole assembly in the formation based on the subterranean formation property.
US11174725B2 Tool and method to make high resolution and high penetration measurement of corrosion
A calibration system for an electromagnetic (EM) tool includes a processor. The processor employs the EM tool to measure responses at each of a plurality of channels. The processor records the measured responses at each of the channels in an EM data log for the channel. The processor selects one or more calibration points from the EM data log for a particular channel, based on a difference between the nominal value of the particular channel and the measured response at the calibration point being greater than a particular threshold.
US11174724B2 Downhole tool for detecting pipe leaks
A downhole tool for investigating an outside fluid flow being adapted to operate in a well bore is presented. The downhole tool comprises a housing surrounded by an outside fluid and at least a first wave generator device. The first wave generator device preferably comprises a directional sound generator, for coupling waves into the surrounding outside fluid. The waves therein are scattered, for example, reflected, at inhomogeneities in the outside fluid, for example particles, scatterers and/or water in oil, thereby generating reflections. Said reflections are measured with a receiver device for receiving said reflections, and are evaluated using an evaluation device for determining first positions of said inhomogeneities in the outside fluid by evaluating said reflections, wherein the evaluation device is adapted to determine the outside fluid flow.
US11174723B2 Method for determining well depth
A method for determining along-hole well depth of a wellbore. A value for a calibrated drill string length is calculated, by determining length of drill pipe sections which form a drill string, prior to insertion of the drill pipe sections in the wellbore as part of the drill string. A correction which is calculated based upon one or more physical characteristics of the drill string. At least one of the physical characteristics is derived from measurements made at defined locations in the wellbore when the drill string is under tension whilst being pulled out of the wellbore. The correction to the calibrated drill string length is applied to obtain a value for a corrected drill string length as a measure of along hole depth. Advantageously, by calculating the correction based upon physical characteristics of the drill string associated with the process of pulling the drill string out of the well, the present invention reduces the number of physical characteristics which affect the correction.
US11174720B2 Automated drilling methods and systems using real-time analysis of drill string dynamics
Methods and apparatus for identifying downhole dynamics in a drilling system are provided. Acceleration-detecting sensors are mounted at multiple locations near to a drill bit, such as at a drill collar. The sensors may be spaced 90° apart along a circumference of the drill collar. The sensors detect acceleration measurements in a plane orthogonal to the drill string's axis of rotation, with respect to a first reference frame that moves with the drill string. The acceleration measurements are received by a processor and processed to determine rotational and revolution positions of the drill string within the wellbore with respect to a static reference frame. Whirl dynamics may, in particular, be determined based on the results in real time.
US11174715B2 Coupling enhanced oil recovery with energy requirements for crude production and processing
Systems and methods for utilizing fluid produced from a geothermal source to generate electrical power and provide energy for upstream oil processing as part of a binary power generation station. Use of the geothermally-heated fluid continues in an enhanced oil recovery operation. Thermal energy of the geothermally-heated fluid heats a working fluid of a binary power generation plant to operate a turbine and to heat an oil heating medium as part of a gas-oil separation plant. The enhanced oil recovery operation may be a waterflooding operation.
US11174711B2 Methods of coating a sand screen component
A method of non-line-of-sight coating of a sand screen for use in wellbores during the production of hydrocarbon fluids from subterranean formations. The coating can have uniformly coated internal and external surfaces.
US11174710B2 System and methodology for joining components
A technique facilitates joining of components without subsequent heat treatments. The components are joined by using a friction stir process which establishes a desired friction stir region at an appropriate location to securely join the desired components. In well applications, various components of sand screen assemblies may be joined by the friction stir process. For example, metal sand screen components may be securely coupled with a corresponding metal base pipe. The joining technique enables retention of the corrosion resistant properties of the materials without applying post weld heat treatments and/or other subsequent treatments.
US11174707B2 Downhole cleaning apparatus
A downhole cleaning apparatus (10) comprising a tubular body (12). The tubular body (12) comprises comprising a plurality of openings (20) therethrough. Each opening (20) defines at least part of a helix extending longitudinally and circumferentially about the tubular body (12). The downhole cleaning apparatus (10) also includes a plurality of cleaning elements (22). Each cleaning element (22) is configured to extend through an opening (20) and to extend outwards from an outer surface of the tubular body (12). The cleaning elements (22) are distributed about the tubular body (12) and each cleaning element (22) defines at least part of a helix extending longitudinally and circumferentially about the tubular body. The openings (20) and the cleaning elements (22) are grouped to define a plurality of substantially continuous helical paths (18). Each helical path (18) extends substantially end to end of the tubular body and the helical paths (18) are distributed relative to each other to define a cleaning surface of at least 360 degrees.
US11174706B2 Pipe in pipe downhole electric heater
A pipe in pipe electric heater assembly comprising a work string comprising an inner pipe and an outer pipe and a heater element, wherein the heater element is provided with power supplied by the inner pipe and the outer pipe acting at least as conductors and associated methods.
US11174701B2 Wellbore remedial operations with no-heat liquid solder
Remedial wellbore operations can be performed using metal material coated with a layer that is controllably activated to release the metal material downhole in a wellbore. At least a portion of the wellbore can be plugged or sealed using the metal material.
US11174696B2 Blowout preventer with choke and kill line pass through conduits
Blowout preventers having bodies with internal choke and kill line pass-through conduits are provided. In one embodiment, a blowout preventer body (42) includes a drill-through bore (44) extending through the blowout preventer body and a ram cavity (58) transverse to the drill-through bore. The blowout preventer body can also include choke and kill line conduits (136, 138) extending through the blowout preventer body, as well as choke and kill line access branch conduits (148, 150) extending between the choke and kill line conduits and the drill-through bore. Additional systems, devices, and methods are also disclosed.
US11174695B2 Integrated function block for use in subsea systems
An integrated function metallic block is capable of integrating into a single metal block the functions of valve blocks, block of hydraulic components of the pumping system, channels for transporting produced and separated fluids, flanges for choke connections and sensors, connection fittings and other components capable of being manufactured mutually within a single metallic block. The integrated function block is composed of complex geometry circuits having curves, slants and connections with other channels occurring within the block mass, and is preferably manufactured through the powder metallurgy process of hot isostatic pressing to obtain complex geometries having the lowest possible weight.
US11174694B2 Apparatus and method for milling a window in a borehole
A tool for milling a window in a casing (3) of a borehole, the tool comprising: a main body having a longitudinal axis wherein, when the tool is run into a borehole, the longitudinal axis is substantially parallel with the longitudinal axis of the borehole, the main body comprising a deflection surface (7) which is disposed at an angle with respect to the longitudinal axis; a milling arrangement comprising a milling head (11) and a guidance surface (13), wherein the guidance surface is disposed at an angle with respect to the longitudinal axis of the tool and is in contact with the deflection surface; and a drive arrangement (14) which is operable to effect relative longitudinal movement between the main body and the milling arrangement.
US11174693B2 Well system with degradable plug
A downhole assembly is disclosed. The downhole assembly includes a tube disposed in a wellbore, and a shroud coupled to and disposed around the circumference of the tube to form an annulus between an inner surface of the shroud and an outer surface of the tube. The downhole assembly further includes a flow control device disposed in the annulus, and a degradable plug disposed in the annulus and positioned to prevent fluid flow between the annulus and the tube.
US11174687B2 Device for clamping an element, carriage for a ground drilling device, ground drilling device, method for clamping an element and method for the manufacture of a device for clamping an element
A device for clamping an element includes a pressure chamber having a flexible wall section with an elastic jacket and a rigid wall section that acts as a counter-bearing. The jacket is provided with a contact surface to connect with the element.
US11174686B2 Threaded tubular connection
A threaded tubular connection for drilling or operating hydrocarbon wells comprising a longitudinal axis, a metal pin member having a tapered two-step wedge pin thread with dovetail wedge threads and a pin sealing surface located between the small and large diameter pin thread steps, and a metal box member having a tapered two-step wedge box thread with dovetail wedge threads and a box sealing surface located between the small and large diameter box thread steps, wherein the tubular connection is free from any final make-up stop shoulder defining a final make-up position for the pin member relative to the box member, the small diameter wedge thread set and the large diameter wedge thread set are dimensioned to have a first axial clearance and a second axial clearance.
US11174684B2 Flushing system in drill bits
A flushing system in a drill bit, which has a body that defines the flushing system, can include an inlet to facilitate supply of pressurized fluids into a bore hole. A cutting surface of the drill bit is provided with a main opening that defines a main passageway in communication with the inlet. A peripheral surface of the drill bit is provided with a secondary opening that defines a secondary passageway in communication with the inlet. The secondary passageway is disposed at an angle from a horizontal reference plane. The horizontal reference plane is defined between the inlet and the origin of the main passageway and is perpendicular to a central longitudinal axis of the body of the drill bit. An origin of the secondary passageway is at a distance from the origin of the main passageway.
US11174682B2 Pad retention assembly for rotary steerable system
A rotary steerable tool for steering a drill string can include a tool collar, a plurality of pad pushers, and a plurality of fasteners. The pad pushers can each be positionable within a respective cavity of the tool collar. Each pad pusher can be coupled to a pad retention housing that has an engagement hole and a through hole spaced apart from the engagement hole. The pad pushers can be interconnected by a plurality of fasteners. Each fastener can extend between adjacent pad retention housings to interconnect the plurality of pad pushers around the tool collar.
US11174681B2 Push-the-bit bottom hole assembly with reamer
A method for constructing a wellbore includes drilling a wellbore along a trajectory using a bit; reaming the diameter of a portion of the drilled wellbore to enlarge a portion of the wellbore; and altering the trajectory of the bit by applying a lateral force to the enlarged diameter wellbore. Reaming the diameter of the portion of the drilled wellbore increases the dogleg of the wellbore.
US11174677B2 Vehicle-mounted elevated access system
A vehicle-mounted access system includes a fixed base structure including a plurality of track channels; a plurality of movable hinge carriages configured to move along the plurality of track channels; an inclinable access structure pivotably connected to the movable hinge points and connected to lifting masts by forward tension elements, lifting masts connected to the fixed base structure by rear tension elements and pivotably connected to the fixed base structure; an actuator connected between the movable hinge carriages and the fixed base structure, the actuator configured to move the movable hinge carriages to raise the distal end of the inclinable access structure via the forward tension elements, the lifting mast, and the rear tension elements.
US11174675B1 Soft barrier
The present soft barrier includes sheeting and a frame. The frame includes longitudinal and lateral support members. The sheeting is in a relaxed state when the lateral support members are in a retracted state. The sheeting is in a taut state when the lateral support members are in an extended fixed state. The sheeting may be in either the relaxed state or taut state when the longitudinal support members are in a retracted state or an extended state. A first adjustment mechanism for increasing or decreasing the longitudinal length of the barrier is a quick slide mechanism. A second adjustment mechanism for finely increasing or finely decreasing the longitudinal length of the barrier is a rotatable mechanism.
US11174673B2 Threshold sill with removable barrier insert
A threshold sill seal assembly useful with glass wall systems is described. The assembly has a sill with a top surface. The threshold sill assembly includes a removable barrier insert that is removably engaged with a cavity provided in the top surface of the sill and has a portion substantially parallel to the movable glass wall that can act as a barrier to the intrusion of environmental conditions.
US11174671B2 High speed parallel process insulated glass manufacturing line
A high speed parallel manufacturing line for manufacturing insulated glass units, the manufacturing line including a gas filling topping press that mates a spacer applied lite supplied to the topping press and a topping lite supplied to the topping press to create an insulated glass unit and fills the insulated glass unit with a non-air gas. A heating station applies localized heat to adhesive of the spacer material. A sealing press applies pressure to the insulated glass unit and facilitates further sealing of the spacer material to the spacer applied lite and the topping lite. The line may include a fourth corner sealer that completes sealing of the airspace of the IGU prior to finishing of the IGU.
US11174669B2 Asymmetrical vacuum-insulated gazing unit
A vacuum insulating glazing unit includes a first glass pane having a thickness Z1, and a second glass pane made of prestressed glass having a thickness, Z2, where Z1 is greater than Z2 (Z1>Z2) The glazing unit also includes a set of discrete spacers positioned between the first and second glass panes and a hermetically bonding seal sealing the distance between the first and second glass panes over a perimeter. A vacuum of pressure less than 0.1 mbar is created in an internal volume V. A thickness ratio, Z1/Z2, of the thickness of the first glass pane, Z1, to the thickness of the second glass pane, Z2, is equal to or greater than 1.30 (Z1/Z2≥1.30).
US11174666B2 Smart system for remote opening and closing a door or window
A smart window/door opening-closing device that can easily be installed for use with an existing door or window or can be built-in by the door or window manufacturer, can be programmed to activate the opening or closing of the door or window either (a) remotely, (b) automatically by a pet and/or (c) automatically by a voice command, is easily disengaged when use is not desired, provides safety and security to prevent unwanted opening or closing of the door or window, and is integrated with a wireless communication network to enable smart and remote control of the window/door actuator.
US11174662B2 Driving apparatus and door lock
A drive apparatus includes a sun gear, a ring gear, a carrier which supports planetary gears, a drive source which drives the ring gear as an input element, and fixing mechanism which fixes selectively one output element of the sun gear as a first output element and the carrier as a second output element so as not to rotate, and driving force is outputted from the other output element which is other than the one output element of the sun gear and the carrier fixed by the fixing mechanism.
US11174661B2 Motor vehicle door latch, in particular a tailgate latch
A motor vehicle door latch, in particular a tailgate latch, which is equipped with a locking mechanism comprising a catch and a pawl. Furthermore, a triggering element working on the pawl is provided for which is set up at least to lift the pawl. Furthermore, a memory element, which at least guarantees an unimpeded opening movement of the catch when the pawl is lifted. The memory element maintains the pawl in its elevated position.
US11174659B2 Lock drive assemblies
An illustrative motor drive assembly is configured for use in a lockset comprising a case, a longitudinally movable link, and a catch configured to move among a locking position and an unlocking position in response to longitudinal movement of the link. The illustrative motor drive assembly includes a longitudinally extending shaft comprising a worm, a motor operable to rotate the shaft, a driver engaged with the worm, and a longitudinally extending spring. The spring is not directly engaged with the worm, and includes a first end coupled with the driver and a second end connectable with the link. Engagement between the worm and driver is configured to longitudinally move the driver in response to rotation of the shaft.
US11174658B2 Locking mechanism including energy storage
An apparatus and method for storing energy in a electromechanical lock. The electromechanical lock can include a main housing and a deadbolt. The main housing can be configured to extend a deadbolt along a path to lock and/or unlock a door. The deadbolt can have a hollow inner region configured to receive an energy storage device. The energy storage device within the deadbolt can be electrically connected to the main housing. The energy storage device can be used to power an actuator and/or accelerometer in the main housing.
US11174657B2 Motor vehicle door lock
A motor vehicle door lock having a locking mechanism substantially comprising a rotary latch and pawl as locking mechanism components. In addition, at least one lever is implemented as a constituent part of an actuating and/or locking lever chain. The motor vehicle door lock also has at least one bearing pin for supporting the relevant locking mechanism component and/or the lever in a housing. Also provided is a bearing sleeve, which can be inserted into an opening in the locking mechanism component and/or the lever and is built up from at least two sleeve elements for the bearing pin. According to the invention, one sleeve element has a socket reaching through the opening. The socket engages in a substantially dimensionally stable manner in a plug receptacle of the other sleeve element.
US11174652B1 Bi-directional leaf rake
Leaves and other debris within water are collected into a porous basket by passing a hoop surrounding an opening of the basket through the water, typically while mounted to a tip of a pole. An interface (such as an elbow) and an attachment couple the hoop of the basket to the tip of the pole. The interface and attachment are pivotally attached together. The interface has a leading portion opposite of trailing portion, with the trailing portion coupled to the hoop and the leading portion forward of a hoop plane. The attachment pivotally attaches to the leading portion of the interface. The attachment and pole can pivot through a wide range of angles relative to the interface and the hoop, and facilitate collection of leaves both when the basket is being maneuvered away from a user and toward a user, and without requiring any rotation of the pole.
US11174650B2 Climbing device for lowering a climbing rail, and method for lowering a climbing rail
A method and a climbing device for lowering a climbing rail, i.e. for climbing downwards. The climbing rail, which is placed on a climbing head by means of an upper protrusion, is lowered in that a climbing cylinder is retracted. The climbing cylinder can be spaced from the climbing rail by completely retracting the climbing cylinder at the upper end by means of a distancing device prior to extending the climbing cylinder again. Thus, the climbing cylinder can be extended again without the climbing rail engaging or hooking below the climbing head at the now central protrusion in that the distancing device moves the climbing head around the central protrusion.
US11174646B2 Mechanical locking system for floor panels
Floor panels are shown, which are provided with a mechanical locking system that may be locked with a vertical displacement of a first panel against a second panel. The locking system includes a flexible strip that during locking bends upwardly or downwardly. The locking system includes a first and a second joint edge section with different locking functions. One section provides a horizontal locking and another section provides a vertical locking.
US11174645B2 Elbow joint connector
An elbow joint connector includes an elbow portion and a locking mechanism detachably coupled to a distal end of the elbow portion. The locking mechanism including a pair of locking members translatable relative to one another along an interface transverse to a longitudinal axis of the elbow joint connector. Divergent translation of the pair of locking members relative to one another along the interface increases a portion of an outer periphery of the locking mechanism to lock the elbow portion to an adjoining member. The elbow joint connector is configured for detachable coupling to an adjoining elbow joint connector and pivotally rotatable relative thereto from a first configuration in which respective center axes of the connectors form an acute angle to a second configuration in which the respective center axes are collinear.
US11174644B2 Handrail for staircase
The invention relates to a handrail for a staircase comprising a handrail member and an adjustable securement device (80, 85) to support the hand rail member at variable heights above the stairs of a staircase.
US11174642B2 Gutter protection assembly
A gutter protection assembly includes a frame, stanchions, and a mesh. The frame includes a rear brace and a supporting flange. The supporting flange is detachably attached to a front lip of a gutter using fasteners. The frame is defined by a series of alternating parallel ridges and a series of parallel channels such that each of the parallel channels define equally spaced openings. Each of the two self-supported stanchions include a base portion, an elongate stem portion inclined relative to the base portion, and two jaw portions extending from an end of the elongate stem portion that include a support clip for receiving adjacent portions of parallel ridges of the frame to define a space between a rear lip of the gutter and the rear brace of the frame. A mesh covers the frame to filter debris through the gutter.
US11174640B2 Fixture for mutually fixing a grid and a second grid
The present invention provides a fixture with which a plurality of grids can be definitely constructed in a short period of time even by an inexperienced worker without causing the worker to do heavy work. In substantially center positions in the lengthwise direction of bottom portions of first frame members, a pair of third frame members included in connecting means are provided. In the third frame member, a base portion is caused to stand on a bottom portion of the first frame member. One of arms of a U-shape of the base portion works as a holding portion included in the connecting means, and the end of the holding portion is bent inward of the base portion to form a connection bent portion having a function to engage with a circumferential surface of a vertical wire material or a lateral wire material of a second welded wire mesh, and a function to prevent the vertical wire material or the lateral wire material of the second welded wire mesh from coming off from the connecting means.
US11174639B2 Anchor block method for reanchoring live tendons
A method for retaining tension in a stressed tendon cast in a reinforced concrete structure includes removing concrete from the structure to expose the tendon, attaching a re-anchoring clamp to the exposed tendon, the re-anchoring clamp comprising two partial sections assembled to enclose the tendon, pouring grout around the re-anchoring clamp and allowing the grout to substantially cure.
US11174638B2 Pocket former and method for reanchoring live tendons
A method for re-tensioning a stressed tendon cast in a reinforced concrete structure includes removing concrete from the structure to expose the tendon. A pocket former is attached to the exposed tendon. The pocket former comprises two partial sections assembled to enclose the tendon. Grout is poured around the pocket former and is allowed to substantially cure. The pocket former is removed and the tendon is cut. An anchor is assembled to the tendon and the tendon is stressed.
US11174630B2 Modular building structure
A connector that has a frame and a complementary column affixing pressure plate for coupling to the frame. The frame and the complementary column affixing pressure plate together forming a hollow body. The hollow body having a top end having an opening, a bottom end and side faces. The frame and complementary column affixing pressure plate having complementary apertures for receiving fasteners for affixing a column receivable within the hollow body from the top end. A joist plate coupled to the frame and a joist affixing pressure plate adapted for coupling to the joist plate. The joist plate and the joist affixing pressure plate having complementary apertures for receiving fasteners for affixing a joist. The connector can be used in construction of modular building and units.
US11174629B2 Blast resistant shelter and method of assembly
A method and apparatus according to which a blast resistant shelter is assembled. The blast resistant shelter includes first and second structural members, a third structural member coupled to the first and second structural members, a first airway adjacent the third structural member, and a first blast panel pivotably mounted to the third structural member and adapted to pivot thereabout in response to a blast wave. In a first configuration, the first blast panel is detachably connected to a first portion of the blast resistant shelter and prevented from pivoting about the third structural member so that the first blast panel obstructs air flow through the first airway. In a second configuration, in response to the blast wave, the first blast panel is detached from the first portion of the blast resistant shelter and permitted to pivot about the third structural member to permit air flow through the first airway.
US11174627B2 Shower bar system
An assembly for a shower system having first and second shower members and connectable to a water supply with a supply pipe having a pipe outlet. The assembly includes an adjustable supply assembly and a diverter valve. The adjustable supply assembly includes an adapter coupleable to the pipe outlet, a supply member having a supply outlet and coupled to the adapter for movement along the axis, and a seal positioned to provide a sealed connection in adjusted positions. The diverter valve includes a valve inlet in fluid communication with the supply outlet, and first and second valve outlets in fluid communication with the first and second shower members, respectively. The shower system is mounted in an enclosure having a wall. The adapter connects to the pipe outlet on one side of the wall, and the diverter valve is located on another side of the wall.
US11174620B2 Excavator
An excavator for earthmoving and construction includes a main frame, a rotatable cabin mounted on top of the main frame, a boom, a stick, a digging bucket, and a slidable plate assembly attached to the main frame that is capable of distributing the weight of the rotatable operator's cabin. The excavator optionally includes a removable dump bed mounted to the main frame for receiving material from the digging bucket.
US11174619B2 System for controlling work vehicle, method for controlling work vehicle, and work vehicle
When a current landscape includes an upward slope and a downward slope existing ahead of the upward slope, a controller determines a virtual design surface including a first design surface inclined at a smaller angle than the upward slope and a second design surface inclined with respect to the first design surface at a smaller angle than the downward slope. The controller generates a command signal that causes a work implement to move along the virtual design surface.
US11174617B2 System and method for aligning a carrier vehicle and a selectively attachable implement
Carrier vehicles—such as, for example, front loaders—are configured to operated with one or more interchangeable implements that are selectively coupled to the carrier vehicle by driving the carrier vehicle towards a desired implement and aligning the implement attachment points with corresponding attachment points on an implement mount that is attached to the carrier vehicle. In some cases, the operator's view of the various attachment points (catch hook and support pins, rods, lines) of the implement and the implement mount is blocked by the front loader arms (booms) or other components of the carrier vehicle. Systems and methods are presented herein for aligning the carrier vehicle with the implement using marks/indicators that are visible by the operator of the carrier vehicle.
US11174608B1 Power-assisted ski track setter system
A power-assisted ski track setter including a user control assembly, a track cutter assembly, and a drive assembly configured to operably engage the track cutter assembly is provided. The user control assembly is configured to control the direction of the power-assisted ski track setter. The track cutter assembly comprises a frame, a set of wheels operably coupled to the frame, a set of axles operably coupled to the wheels, and a set of tracks encircling the set of wheels. The set of wheels rotatably supports the frame. The drive assembly is configured to be mounted adjacent to the frame. The drive assembly comprises a motor configured to transmit power to the track cutter assembly, a battery electrically connected to the motor, and a drive gear operably coupled to the motor.
US11174602B2 Broom attachment for vehicle
An apparatus for grooming a sports field is provided. The apparatus includes a broom assembly. The broom assembly may include a broom head having a top surface and an opposite bottom surface, a plurality of bristles extending outwardly from the bottom surface of the broom head, a plate secured to the top surface of the broom head and extending longitudinally along the top surface of the broom head, and a stiffener secured to the plate and extending longitudinally along the top surface of the broom head. The apparatus may further include a first connection assembly extending forwardly from the plate and a second connection assembly parallel with and spaced apart from the first arm and extending forwardly from the plate. The broom assembly may have an operative position wherein bristles of the broom assembly engage the ground and a stowed position wherein the broom assembly is positioned above the ground and locked in place such that the broom assembly does not engage the ground.
US11174601B2 Paving machine with hopper regulation system
A paving machine for paving a work surface can include a hopper for receiving, accommodating, and dispensing a paving material. The hopper may be movable into various positions including a conventional configuration, a material receiving configuration, and a material feeding configuration. The paving machine may include a hopper regulation system associated with a material quantity sensor and an object detection sensor and that utilizes data obtained therefrom to decide on proceeding with a material receiving operation, a material feeding operation, or to suspend hopper operation.
US11174596B2 Tissue product and method and apparatus for producing same
A tissue product includes at least one ply with embossed protrusions defining an interior volume, the embossed protrusions including a base, a top surface and a sidewall extending from the top surface to the base, wherein the sidewall of at least 10% of the embossed protrusion is provided with an indent region shaped such that the sidewall bends towards the interior volume of the embossed protrusion.
US11174594B2 Sheet manufacturing apparatus
A sheet manufacturing apparatus includes: a defibration unit that defibrates a raw material containing fibers in a gas atmosphere; and a sheet former that forms a sheet by using at least a part of defibrated substances obtained through a defibrating process performed by the defibration unit. The defibration unit and the sheet former are thermally blocked from each other.
US11174593B2 Base fabric, press felt and method of forming base fabric with seam
The invention relates to a base fabric of a press felt. The base fabric comprises end regions which are provided with seam loops (4). The seam loops are slanted. Further, the invention relates to a press felt and a method of forming the same.
US11174583B2 Method of controlling laundry treating apparatus
The present disclosure provides a method of controlling a laundry treating apparatus including a tub in which a drum accommodating clothing is rotatably disposed, a heat exchanger configured to perform heat exchange between air discharged from the tub and a refrigerant in a circulation flow path through which the air circulates, a filter configured to filter the air, a first cleaning mechanism configured to apply cleaning water to any one of the filter and the heat exchanger, and a second cleaning mechanism configured to apply the cleaning water to the other of the filter and the heat exchanger. The method includes measuring a flow rate while supplying water into the tub, and controlling, based on the flow rate, a first flow path control valve for regulating water supply to the first cleaning mechanism and a second flow path control valve for regulating water supply to the second cleaning mechanism.
US11174576B2 Easy-to-dye degradable polyester FDY and preparing method thereof
A type of easy-to-dye degradable polyester FDY and preparing method thereof are disclosed. The method for preparing an easy-to-dye degradable polyester FDY is to prepare a modified polyester FDY from a modified polyester melt with FDY process; wherein the material is a modified polyester; wherein the modified polyester has a molecular chain structure composed of terephthalic acid segments, ethylene glycol segments, 2,2,3,4,5,5-hexamethyl-3,4-hexanediol segments and tert-butyl branched heptanediol segments; wherein the modified polyester is dispersed by solid heteropolyacid powder calcined at a 400˜700° C. temperature. The preparing method has a simple process, modifying the polyester through solid heteropolyacid, tert-butyl branched heptanediol and 2,2,3,4,5,5-hexamethyl-3,4-hexanediol, which increases the hydrolysis rate of the polyester, improves the dyeing performance and prepares products with excellent mechanical properties.
US11174572B2 Composite molding composition including fibroin-like protein, and method for producing composite molding composition
Provided are a composite molding composition such as a composite film and a composite fiber that have properties such as an improved tensile strength, strain and toughness as a result of blending a peptide or polyamino acid having a β-sheet structure with a natural or artificially modified fibroin-derived protein; a method for producing such composite molding composition; and a method for improving the physical properties of a composite molding composition containing a fibroin-derived protein.
US11174563B2 Method for treating spent caustic to recover caustic and sulphur by a bioelectrochemical process
The present invention relates to an apparatus and method for bio-assisted treatment of spent caustic obtained from hydrocarbon and gas processing installations. The present invention also relates to method for recovery of caustic and recovery of sulfur from spent caustic. According to present invention, the sulfide removal is about 96% and the sulphur formation and deposition on the electrode lies in range of 72±8%.
US11174557B2 Thermal barrier coating system compatible with overlay
Materials and a process for forming a protective oxide coating. The high temperature coating system (108) includes at least a thermal barrier coating layer (104) and a thermally stable, deposit resistant protective layer (106) on the thermal barrier coating layer (104).
US11174556B2 Surface-treatment solution for zinc or zinc alloy coated steel sheet, method of producing zinc or zinc alloy coated steel sheet with surface-coating layer, and zinc or zinc alloy coated steel sheet with surface-coating layer
Disclosed is a surface-treatment solution for producing a zinc or zinc alloy coated steel sheet with a surface-coating layer that does not contain a chromium compound in the surface-coating layer and that is excellent in all of heat discoloration resistance, heat cracking resistance, planar part anti-corrosion property, corrosion resistance after alkali degreasing, blackening resistance, stack blackening resistance, anti-water stain property, solvent resistance, perspiration resistance, coating adhesion property, and storage stability. The disclosed surface-treatment solution contains a glycidyl group-containing silane coupling agent (A), a tetraalkoxysilane (B), a zirconium carbonate compound (C), and an anionic polyurethane resin (D) having a glass transition temperature (Tg) of 80° C. to 130° C., a vanadium compound (E), a molybdic acid compound (F), and water, the surface-treatment solution having a pH of 8.0 to 10.0, and the amount of each component satisfying a predetermined relationship.
US11174552B2 Rotary reactor for uniform particle coating with thin films
A reactor for coating particles includes one or more motors, a rotary vacuum chamber configured to hold particles to be coated, wherein the rotary vacuum chamber is coupled to the motors, a controller configured to cause the motors to rotate the rotary vacuum chamber about an axial axis of the rotary vacuum chamber such that the particles undergo tumbling agitation, a vacuum port to exhaust gas from the rotary vacuum chamber, a paddle assembly including a rotatable drive shaft extending through the rotary vacuum chamber and coupled to the motors and at least one paddle extending radially from the drive shaft, such that rotation of the drive shaft by the motors orbits the paddle about the drive shaft in a second direction, and a chemical delivery system including a gas outlet on the paddle configured inject process gas into the particles.
US11174549B2 Substrate processing methods
In a substrate processing method, a cleaning process is performed at a first temperature to remove a portion of a cumulative layer that is deposited within a chamber by deposition processes (step 1). The deposition processes are performed at the first temperature on a plurality of substrates within the chamber respectively (step 2). The step 1 and the step 2 are performed alternately and repeatedly.
US11174539B2 Steel material suitable for use in sour environment
The steel material according to the present disclosure contains a chemical composition consisting of, in mass %, C: 0.20 to 0.50%, Si: 0.05 to 0.50%, Mn: 0.05 to 1.00%, P: 0.030% or less, S: 0.0100% or less, Al: 0.005 to 0.100%, Cr: 0.10 to 1.50%, Mo: 0.25 to 1.50%, Ti: 0.002 to 0.050%, N: 0.0100% or less and O: 0.0100% or less, with the balance being Fe and impurities. The steel material contains an amount of dissolved C within a range of 0.010 to 0.050 mass %. The steel material also has a yield strength within a range of 655 to less than 862 MPa, and a yield ratio of the steel material is 85% or more.
US11174538B2 Tungsten tetraboride composite matrix and uses thereof
Disclosed herein, in certain embodiments, are composite materials, methods, tools and abrasive materials comprising a tungsten-based metal composition, a tungsten carbide, and an alloy. In some cases, the composite materials or matrix are resistant to oxidation.
US11174536B2 Transition metal-based materials for use in high temperature and corrosive environments
A material (e.g., an alloy) comprises molybdenum, rhenium, and at least one element selected from the group consisting of tellurium, iodine, selenium, chromium, nickel, copper, titanium, zirconium, tungsten, vanadium, and niobium. Methods of forming the material (e.g., the alloy) comprise mixing molybdenum powder, rhenium powder, and a powder comprising at least one element selected from the group consisting of tellurium, iodine, selenium, chromium, nickel, copper, titanium, zirconium, tungsten, vanadium, and niobium. The mixed powders may be coalesced to form the material (e.g., the alloy).
US11174535B2 Isotropic plates made from aluminum-copper-lithium alloy for manufacturing aircraft fuselages
The invention relates to a plate with a thickness of 0.5 to 9 mm with an essentially recrystallized granular structure, made from an alloy based on aluminum, comprising 2.8 to 3.2% by weight Cu, 0.5 to 0.8% by weight Li, 0.1 to 0.3% by weight Ag, 0.2 to 0.7% by weight Mg, 0.2 to 0.6% by weight Mn, 0.01 to 0.15% by weight Ti, a quantity of Zn below 0.2% by weight, a quantity of Fe and Si of less than or equal to 0.1% by weight each, and unavoidable impurities to a proportion of less than or equal to 0.05% by weight each and 0.15% by weight in total, said plate being obtained by a method comprising casting, homogenization, hot rolling and optionally cold rolling, solution heat treatment, quenching and aging. The plates according to the invention are advantageous in particular for the manufacture of aircraft fuselage panels.
US11174534B2 High strength titanium copper strip and foil having layered structure
A titanium copper according to the present invention contains from 1.5 to 5.0% by mass of Ti, the balance being of Cu and inevitable impurities, wherein the titanium copper has a layered structure of Cu and Ti where in a Ti concentration curve obtained by analyzing a cross section parallel to a rolling direction along a thickness direction by STEM-EDX, a lower concentration Ti layer having a Ti concentration less than an average value of Ti concentrations in the Ti concentration curve and a higher concentration Ti layer having a Ti concentration equal to or higher than the average value of the Ti concentrations in the Ti concentration curve are alternately present in the thickness direction, and wherein in the cross section parallel to the rolling direction, a Ti concentration difference in the layered structure is 3% by mass or more, the Ti concentration difference being a difference between a maximum value of the Ti concentration in the higher concentration Ti layer and a minimum value of the Ti concentration in the lower concentration Ti layer.
US11174533B2 Cu-based microcrystal alloy and preparation method thereof
The disclosure relates to a Cu-based microcrystal alloy and a preparation method thereof. Through being measured in percentage by mass, the Cu-based microcrystal alloy provided by the disclosure includes 20 to 30 percent of Mn, 0.01 to 10 percent of Al, 5 to 10 percent of Ni, 0.3 to 1.5 percent of Ti, 0 to 1.5 percent of Zr, 0.05 to 2 percent of Si and 45 to 74.64 percent of Cu.
US11174531B2 Local heat treatment method for controlling residual stress with primary and auxiliary heating
A primary heating band is applied to a weld to control a microstructure and hardness of the weld and uniformity of the structure to realize micro-control of the residual stress; an auxiliary heating band is applied a certain distance away from the weld to generate compressive stress on an inner surface of the weld to realize macro-control of the compressive stress. Reinforcement with a rib plate is eliminated, and a labor intensity and a construction period are reduced. The method reduces deformation near the weld and transfers the largest deformation to a non-weld zone; by applying the auxiliary heating and strictly controlling a time interval between primary heating and auxiliary heating, the structure is improved and the welding residual stress is controlled at the same time; a local heat treatment effect is optimized, and a small tensile stress or compressive stress is generated on the inner surface of the weld.
US11174527B2 Heat-treatment apparatus and heat-treatment method
A heat-treatment apparatus includes a casing, a loader which loads a workpiece to an inner part of the casing in order to apply a heat-treatment to the workpiece, and a canopy surface provided in the casing to cover the workpiece. The canopy surface includes a slope way with a sectional configuration where the canopy surface is cut on a plane vertical to a conveying direction of the workpiece inside the casing. The slope way includes a highest point and a downward inclined surface extending from the highest point to an outside of a zone between a perpendicular line extending from a left end of the workpiece and a perpendicular line extending from a right end of the workpiece.
US11174524B1 Production apparatus and method for electric arc furnace steelmaking with fully continuous ultra-short process
A production apparatus and method for electric arc furnace steelmaking with a fully continuous ultra-short process are provided. A continuous adding, melting, smelting and continuous casting of a metal material are integrated, and a metallurgy process is completed in a flowing of a molten steel, to realize a continuous production of ingot blanks. The production apparatus includes four operation sites of an electric arc furnace for melting and primary refining, a sealed tapping chute for molten steel flowing, a refinement storage bed for molten-steel desulfurization and alloying and a conticaster for continuous casting A material flow, an energy flow and a time stream in the four operation sites are in a dynamic equilibrium. The production apparatus and method realize a molten-steel casting is started within 120 minutes after the metal material is started to be continuously added, and an uninterrupted continuous production is maintained for above 80 hours.
US11174523B2 Recovery of lactose from an aqueous solution
The invention is directed to a method for recovering lactose from an aqueous lactose solution comprising a concentration step, wherein water is removed from the aqueous lactose solution by freezing out water at a temperature below the eutectic temperature of the aqueous lactose solution and at a lactose concentration higher than the eutectic concentration of the aqueous lactose solution, thereby obtaining a concentrated lactose solution; and a crystallization step, wherein at least part of the concentrated lactose solution is subjected to crystallization at a temperature above the eutectic temperature of the concentrated lactose solution, thereby obtaining lactose crystals.
US11174521B2 Method of diagnosis and treating gastrointestinal and neurological diseases associated with species of genus Clostridium
The invention includes a method of diagnosis and treating autism associated with an overgrowth of beta2-toxin-gene-positive Clostridium perfringens in the gut of an autistic subject. In one embodiment, the method comprises administering to the subject (e.g. a subject having an overgrowth of beta2-toxin-gene-positive Clostridium perfringens in the gut) one or more agents to reduce or eliminate beta2-toxin-gene positive Clostridium perfringens in the subject so as to relieve one or more symptoms of autism.
US11174520B2 Method for detecting presence or absence of Mycobacterium and kit thereof
A method and a kit for detecting mycobacterium are provided. The method includes steps of: providing a sample; providing a pair of primers, which is selected from a group consisting of a sequence having about 45% to 100% similar to SEQ ID NO. 1, a sequence having about 60% to 100% similar to SEQ ID NO. 2, a sequence complementary thereof; performing a polymerase chain reaction by using the set of primers and the sample to obtain a product; and analyzing the product to detect the presence of the mycobacterium.
US11174519B2 Method of treating cancer
This document provides methods and materials involved in assessing samples (e.g., cancer cells) for the presence of a loss of heterozygosity (LOH) signature. For example, methods and materials for determining whether or not a cell (e.g., a cancer cell) contains an LOH signature are provided. Materials and methods for identifying cells (e.g., cancer cells) having a deficiency in homology directed repair (HDR) as well as materials and methods for identifying cancer patients likely to respond to a particular cancer treatment regimen also are provided.
US11174518B2 Method of classifying and diagnosing cancer
The invention provides various methods for classifying prostate cancers into subtypes. The classification methods may be used to diagnose or prognose prostate cancers. In one embodiment, the subtypes are PCS1, PCS2, or PCS3. In one embodiment, the PCS1 subtype is most likely to progress to metastatic disease or prostate cancer specific mortality when compared to the PCS2 subtype or PCS3 subtype. In one embodiment, the PCS1 subtype is resistant to enzalutamide.
US11174517B2 Gene signatures for cancer prognosis
Biomarkers and methods using the biomarkers for classifying cancer in a patient (e.g., predicting the risk of cancer-specific death or cancer recurrence) are provided.
US11174515B2 CRISPR effector system based diagnostics
The embodiments disclosed herein utilized RNA targeting effectors to provide a robust CRISPR-based diagnostic with attomolar sensitivity. Embodiments disclosed herein can detect both DNA and RNA with comparable levels of sensitivity and can differentiate targets from non-targets based on single base pair differences. Moreover, the embodiments disclosed herein can be prepared in freeze-dried format for convenient distribution and point-of-care (POC) applications. Such embodiments are useful in multiple scenarios in human health including, for example, viral detection, bacterial strain typing, sensitive genotyping, and detection of disease-associated cell free DNA.
US11174513B2 Disposable, integrated microfluidic cartridge and methods of making and using same
A stack of fluidics layers of a microfluidic cartridge for sequencing nucleic acid molecules includes a sequencing chamber layer having a sequencing chamber area configured for carrying out clustering and sequencing reactions, and a sequencing chamber bottom layer disposed under the sequencing chamber layer. The sequencing chamber bottom layer has an opening configured to hold an image sensor with the image sensor having an active area disposed under the sequencing chamber area. The sequencing chamber area spans substantially all of the active area of the image sensor. The stack of fluidics layers includes a flexible printed circuit board (PCB) layer under the sequencing chamber bottom layer, and a fluidics channels layer disposed under the flexible PCB layer. The fluidics channels layer includes fluidics channels that are configured to deliver reactants to the sequencing chamber area. The fluidics channels do not substantially overlap with the active area of the image sensor.
US11174511B2 Methods and compositions for selecting and amplifying DNA targets in a single reaction mixture
This disclosure relates to compositions and methods for single-step, multi-stage amplification reactions that combine many stages of sample preparation process in a single tube reaction. The disclosed technology provides a mean of performing multiplexed nested PCR in a single vessel, without any need of purification steps, and is based on the use of three sets of primers: a pair of outer primers, a pair of inner primers that are nested within the pair of outer primers, and tail primers that are complementary to tails on the inner primers. By adjusting the temperature conditions, annealing temperatures of the primers, number of amplification cycles, and the concentrations of the outer, inner, and tail primers, it is possible to carry out multiplexed nested PCR in a single vessel.
US11174506B2 Genomic probes
Labeled probes, and methods of use thereof, comprise a Cas polypeptide conjugated to gRNA that is specific for target nucleic acid sequences, including genomic DNA sequences. The probes and methods can be used to label nucleic acid sequences without global DNA denaturation. The presently-disclosed subject matter meets some or all of the above identified needs, as will become evident to those of ordinary skill in the art after a study of information provided in this document.
US11174505B2 Simple one-step real-time molecular system for microRNA detection
The present application discloses an isolated nucleic acid sequence for detecting the presence of a target nucleic acid sequence, a ribozyme for detecting the presence of a target nucleic acid sequence and uses thereof.
US11174504B2 Methods and devices for single-cell based digital high resolution melt
Provided are devices, systems, and methods for the identification, quantification, and profiling of microscopic organisms. The methods for the identification, quantification, and profiling of microscopic organisms include, for example, the selective enrichment of microscopic organisms from a heterogeneous sample; subsequent loading of the microscopic organisms into microfluidic channels or reaction chambers; direct amplification of nucleic acids from single, isolated microscopic organisms; and examination of amplification products using digital High Resolution Melting (HRM) analysis.
US11174501B2 Enzyme processing of soybeans into intact oil bodies, protein bodies, and hydrolyzed carbohydrates
A method of enzyme-based processing of plant-based materials includes steps of providing a bulk amount of a plant-based material having a substantial amount of the cell walls in a physically-intact condition; providing an enzyme broth having an enzyme capable of breaking down the cell walls in the physically-intact condition; combining the bulk amount of the plant-based material with the enzyme broth; allowing the enzyme capable of breaking down the cell walls in the physically-intact condition to break down at least a portion of the cell walls in the physically-intact condition to thereby produce intact oil bodies, hydrolyzed carbohydrates, and intact protein bodies; collecting a first product including the intact oil bodies; collecting a second product including the hydrolyzed carbohydrates; and collecting a third product including the intact protein bodies.
US11174500B2 Methods for purification of messenger RNA
The present invention provides, among other things, methods for purifying mRNA based on normal flow filtration for therapeutic use.
US11174496B2 Genetically modified acetogenic cell
There is provided an acetogenic microbial cell which is capable of producing at least one higher alcohol from a carbon source, wherein the acetogenic microbial cell is genetically modified to comprise an increased expression relative to its wild type cell of at least one enzyme, E8, a butyryl-CoA:acetate CoA transferase (cat3). There is also provided a method and use of the cell to produce higher alcohols.
US11174493B2 Seedless fruit producing plants
The present invention is directed to seedless fruit producing plants. The present invention also comprises methods for production of said plants and the use of nucleic acids encoding cyclin SDS like proteins for the production of seedless fruits.
US11174492B2 Isolated polynucleotides and polypeptides associated with plants resistance to pathogenic fungi
The present invention relates to polynucleotides and polypeptides associated with increased resistance of plant to pathogenic fungi, particularly to fungi inducing root rot and stalk rot in plants, and use thereof for controlling plant fungal pathogens and for producing transgenic plants having increased resistance to pathogenic fungi.
US11174490B2 Tobacco plants exhibiting altered photosynthesis and methods of making and using
This disclosure provides tobacco plants that exhibit altered photosynthesis as well as methods of making and using such plants.
US11174489B2 Fermentative glycerol-free ethanol production
The present invention relates to a yeast cell, in particular a recombinant yeast cell, the cell lacking enzymatic activity needed for the NADH-dependent glycerol synthesis or the cell having a reduced enzymatic activity with respect to the NADH-dependent glycerol synthesis compared to its corresponding wild-type yeast cell, the cell comprising one or more heterologous nucleic acid sequences encoding an NAD+-dependent acetylating acetaldehyde dehydrogenase (EC 1.2.1.10) activity. The invention further relates to the use of a cell according to the invention in the preparation of ethanol.
US11174486B2 Engineered bacteria for production and release of therapeutics
Some embodiments described herein relate to cells which have been genetically engineered to release a polypeptide when a population of the cells reaches a desired density. In some embodiments, the released polypeptide may be a therapeutic polypeptide. In some embodiments, the therapeutic polypeptide kills tumor cells or which inhibits the growth of tumor cells.
US11174484B2 Means and methods for reducing tumorigenicity of cancer stem cells
Provided are RNA inhibitory molecules, particularly siRNA molecules silencing the expression of Voltage-Dependent Ion Chanel-1 (VDAC1) for the induction of cancer stem cell differentiation and reduction of TAMs abundance and tumor angiogenesis, thereby preventing tumor invention and recurrence.
US11174482B2 Antiviral agents
An antiviral agent is provided, having a phosphorodiamidate morpholino oligomer with an antisense sequence to a portion of a genome of a strain of Zika virus (ZIKV). The antiviral agent finds many uses, such as in a pharmaceutical composition, a method of treating ZIKV-mediated disease, a method of preventing ZIKV-mediated disease, a method of reducing or preventing the replication of ZIKV in a host cell, a method of controlling the spread of ZIKV in donated tissue, a treated tissue sample, and in the manufacture of a medicament for the treatment or prevention or ZIKV-mediated disease.
US11174479B2 Devices and methods for display of encoded peptides, PolyPeptides, and proteins on DNA
A method for displaying proteins and peptides is disclosed in which individual proteins or peptides remain associated with the DNA encoding them. Proteins or peptides can be generated by in vitro translation of DNA templates, either free in solution or arrayed on a solid support, such that the proteins or peptides remain immobilized on their DNA templates. In particular, high throughput sequencing can be combined with high throughput functional characterization of encoded proteins and peptides, wherein the identity of each protein or peptide is determined by DNA sequencing, and functional studies are carried out directly on each protein or peptide while immobilized on the DNA template encoding it. The methods of the invention should find numerous applications, for example, in high throughput genetic or pharmacological screening, epitope mapping, and protein engineering and directed evolution.
US11174478B2 Single-step DNA preparation for polymerase chain reaction using magnetic chitosan microparticles
The present invention relates to a method for concentrating a biological sample containing nucleic acids by using magnetic chitosan microparticles and subsequently performing a PCR reaction on the nucleic acids captured on the microparticles. The chitosan microparticles added to the biological sample at a PCR compatible pH are mechanically agitated to provide for cell lysis and simultaneous DNA capture, and then serve as a solid support for the nucleic acid template during the PCR reaction. As the chitosan microparticles are utilized for lysis and the nucleic acids do not need to be removed from the microparticles before PCR, the ease of the sample preparation procedure is dramatically improved.
US11174477B2 Methods and systems and related compositions for mixtures separation with a solid matrix
Methods and systems and related compositions for separating through a solid matrix a mixture comprising a nucleic acid together with a target compound having a water solubility equal to or greater than 0.01 mg per 100 mL, which can be used for managing fluid flow, biochemical reactions and purification of the nucleic acid or other target analytes.
US11174473B2 Variants of chymosin with improved properties
Variants of chymosin with improved properties.
US11174470B2 Programmable nuclease improvements and compositions and methods for nucleic acid amplification and detection
Disclosed herein are compositions, kits, and methods related to improved Cas activity. Through compositions and kits disclosed herein and practice of methods disclosed herein, one attains improved Cas activity such as Cas12 activity relative to Cas proteins in the art such as LbCas12. Further described herein are methods to detect target nucleic acid using a programmable nuclease system. Often, the target nucleic acids are present in at low frequency in the sample. Provided herein are methods for enriching these target nucleic acids for detection. Also described herein are methods to insert a PAM sequence into a target sequence of interest for use in a detection comprising a programmable nuclease.
US11174468B2 Galactose utilization
The present disclosure describes a genetically engineered bacteria that relieves the catabolite repression problem exerted by the Spot 42 small regulatory RNA by adding a galactokinase that does not contain the Spot 42 binding region. As such, galK and galM and the like can be expressed allow better galactose utilization.
US11174466B2 Production of viruses in cell culture
The present invention relates to methods of replicating viruses in vitro. In particular, the invention relates to a genetically modified population of cells, and/or a population of cells treated with an exogenous compound, wherein the cells are capable of producing more virus than cells lacking the genetic modification and/or lacking treatment with the exogenous compound. The invention also relates to methods of producing populations of such cells, as well as the use of the viruses obtained to prepare vaccine compositions.
US11174465B2 Ph-sensitive and bioreducible polymer-virus complex for cancer treatment
The present invention relates to a pH-sensitive and bioreducible polymer-virus complex which can destroy tumor cells more effectively by increasing the efficiency of virus transduction, to a pH-sensitive and bioreducible polymer, and to a pharmaceutical composition containing the polymer-virus complex.
US11174464B2 Method for preparing osteoblasts and osteoblast inducer
An object of the present invention is to provide a method for preparing osteoblasts that are applicable, without causing risk of canceration, to bone defect repair or to the treatment of bone resorption, fracture, osteoporosis, or the like. To solve this problem, the present invention provides a method for preparing osteoblasts, the method comprising culturing mammal differentiated somatic cells in a medium in the presence of at least one compound selected from the group consisting of (1) statin compounds, (2) casein kinase 1 inhibitors, (3) cAMP inducers, and (4) histone methyltransferase inhibitors, to convert the somatic cells into osteoblasts.
US11174458B2 Cell separation apparatus and methods of use
Cell separation systems and methods of separating cells are disclosed. In an embodiment, a cell separation system is described that comprises a non-transitory storage device that executes a centrifugation program to separate cell volume from biologic material volume; a heating mechanism; a containment mechanism; and an assembly comprised of a single-walled centrifugation bowl. In an embodiment, methods of separating cells are disclosed whereby cells are separated by agitating a volume of biologic material and a volume digestion media to form a digested volume of biologic material; centrifuging the digested volume of biologic material; removing a portion of a resulting waste via at least one fluid outlet; isolating a different portion of the waste, and removing the concentrated cell volumes from the reservoir.
US11174456B2 Methods and apparatus for shifted-wavelength photosynthetic energy harvesting and biomass production
One or more light sources may apply stimuli to a colony of organisms. The stimuli may include visible and non-visible light. The stimuli, taken together, may tend to favor survival of organisms that are adapted to perform photosynthesis which involves absorbing energy from infrared or ultraviolet light. In some cases, the set of stimuli may include illuminating the entire colony of organisms with green light, illuminating only a first portion of the colony with pulsed ultraviolet light, and illuminating only a second portion of the colony with pulsed infrared light.
US11174455B1 Barrel apparatus
A wooden barrel apparatus for aging products includes an inner wooden barrel positioned in an outer wooden barrel. A first volume may be defined within the inner wooden barrel. A second volume may be defined between the inner wooden barrel and the outer wooden barrel. One or more surfaces of the inner wooden barrel and the outer wooden barrel may be charred.
US11174454B2 Beverage maker and method for controlling beverage maker
A beverage maker may include a fermenter having a space therein to make a beverage; a fluid tank configured to contain fluid; a fluid supply pump connected with the fluid tank; a flow rate detection sensor disposed in a channel connected with the fluid supply pump to detect a flow velocity or a flow rate of fluid which is discharged through the channel by the fluid supply pump; and a controller configured to perform a plurality of operations related to making of a beverage or cleaning of an inside of the beverage maker. The controller may be configured to when an operation requiring a supply of fluid is ongoing from among the plurality of operations, turn on the fluid supply pump to discharge fluid contained in the fluid tank; detect a lack of fluid in the fluid tank based on a first flow velocity or a first flow rate detected by the flow rate detection sensor; and generate a fluid replenishment request for the fluid tank based on a result of detecting.
US11174452B2 Liquid cleaning compositions comprising protease variants
The present invention relates to compositions comprising protease variants suitable for use in cleaning or detergent compositions, such as laundry detergent compositions and dish wash compositions, including automatic dish wash compositions.
US11174448B2 Tactile film, method of producing same, molded article, and method of improving finger slidability
Prepared is a film including at least one surface having a friction property having A of not less than 0.01 and B of not greater than 0.6, A and B being values obtained from friction testing, whereinthe friction testing includes measuring relative dynamic friction coefficients μ of the at least one surface at various moving speeds v (mm/s) of a contact probe, creating a plot of log(v), log(v) being a common logarithm of the moving speed, on a horizontal axis and μ on a vertical axis and performing linear fitting to obtain a straight line, andA is a slope of the straight line and B is an intercept of the straight line. The tactile film includes a tactile layer, which is formed of a cured product of a curable composition including a curable resin and is disposed on the outermost layer; and the surface of the tactile layer may have a friction property having a slope A of 0.01 or higher and an intercept B of 0.6 or lower. The curable resin may include a (meth)acrylic polymer having a polymerizable group, a urethane (meth)acrylate, a silicone (meth)acrylate, and a cellulose ester. The curable composition may include no fine particles. The tactile layer of the film may be laminated on a substrate layer formed of a transparent resin. The film has excellent finger slidability.
US11174447B2 Lubricious coatings with surface salt groups
Embodiments herein include coated medical devices and coatings with salt groups. In an embodiment, a coated medical device is included, the coated medical device including a substrate and a polymeric layer disposed over the substrate. The polymeric layer includes a polymer and has an exterior surface. The coated medical device further includes a plurality of salt groups bonded to the polymer of the polymeric layer and disposed on the exterior surface of the polymeric layer. The salt groups can be the reaction product of a reactive group with an acid or base. In an embodiment, a method of making a medical device is included. Other embodiments are also included herein.
US11174446B2 Winterized pour point depressants
This disclosure relates to winterized pour point depressant compositions for petroleum fluids. Such compositions exhibit stability and are flowable at temperatures down to as low as −47° C., without the need for further dilution.
US11174443B2 Torrefied biomass briquettes and related methods
The presently disclosed subject matter relates to torrefied biomass briquettes and methods for producing the same that make use of a mixture of lightly torrefied material (LTM) and highly torrefied material (HTM) and/or make use of torrefied materials that are subjected to a hydrolysis pretreatment prior to being torrefied.
US11174435B2 Levoglucosan-based flame retardant compounds
A levoglucosan-based flame retardant compound, a process for forming a flame retardant polymer, and an article of manufacture comprising a polymer that contains the levoglucosan-based flame retardant compound. The levoglucosan-based flame retardant compound has phosphorus-based flame retardant functional groups. At least one of the phosphorus-based flame retardant groups includes a phenyl substituent. The process for forming the flame retardant polymer includes providing a phosphorus-based flame retardant molecule, providing levoglucosan, chemically reacting the phosphorus-based flame retardant molecule and the levoglucosan derivative to form a levoglucosan-based flame retardant compound, and incorporating the levoglucosan-based flame retardant compound into a polymer by covalent binding to form the levoglucosan-based flame retardant polymer.
US11174433B2 Graphene-based composite flame retardants
The present invention relates to a method of improving fire retardant properties of a substrate, the method comprising providing the substrate with a graphene-based composite, wherein the graphene-based composite comprises graphene-based material intercalated with inorganic metal hydrate.
US11174430B2 Fluoride fluorescent material, light emitting device, and method for producing fluoride fluorescent material
A fluoride fluorescent material includes a composition including K, Ge, Mn4+, and F and having a molar ratio of K of 2, a total molar ratio of Ge and Mn4+ of 1, a molar ratio of Mn4+ of more than 0 and less than 0.2, and a molar ratio of F of 6 in 1 mol of the composition, has a light emission spectrum having a first light emission peak in a range of 615 nm or more and less than 625 nm having a full width at half maximum of 6 nm or less, and a second light emission peak in a range of 625 nm or more and less than 635 nm, and has an internal quantum of 85% or more efficiency under excitation of light having a wavelength of 450 nm.
US11174428B2 Nanophosphors for visible light enhancement
Disclosed herein are composite materials that comprise one or more nanophosphors capable of converting higher frequency, lower wavelength radiation into visible light. As used, the produced visible light enhances the amount of visible light already present from natural or artificial sources.
US11174423B2 Additive for oil well cement, and cement composition and cement slurry both including said additive for oil well cement
Provided is a PVA-containing additive for oil well cement superior in fluid loss-reducing property. Specifically, provided is an additive for oil well cement, the additive containing polyvinyl alcohol having a saponification value of 75 to 85 mol % and a viscosity-average polymerization degree of 2,800 to 4,500. Also provided are a cement composition containing the additive for oil well cement in an amount of 0.01 to 30% bwoc and a cement slurry containing the additive for oil well cement in an amount of 0.01 to 30% bwoc.
US11174421B2 Metod for preparing mineral ore powder using vegetable organic matters and microorganisms
The present invention provides a method for preparing mineral ore powder using vegetable organic matter and microorganisms. The method comprises a step of pulverizing seven minerals consisting of 20 wt % of zeolite, 20 wt % of hornblende, 10 wt % of elvan, 10 wt % of illite, 10 wt % of biotite, 20 wt % of tourmaline, and 10% of white clay into 325 mesh; a step of discharging impurities by heating the pulverized mineral powder at a temperature of 1,100° C. for a few days; a step of preparing a mineral ore powder by adding microorganisms and pulverized vegetable organic matter consisting of 30 wt % of mulberry bark, 25 wt % of pine needles, 20 wt % of cypress, 15 wt % of ginger plant, and 10 wt % of bush clover; and a step of drying the mineral ore powder at a temperature of 30° C. for 2 days to activate the microorganisms.
US11174416B2 Process for hot application of a silylated adhesive composition
A process for hot application of an adhesive composition (80) on a support (96), by means of a nozzle (50) applying the adhesive composition (80), a line (88) supplying the nozzle (50) with the adhesive composition (80) to be applied in fluid form, a mixer (30) positioned in the line (88) for the homogeneous mixture of the main components of the adhesive composition before its application; the applied adhesive composition (80) including a silylated prepolymer, a compatible tackifying resin; the adhesive composition having a cross-linking catalyst; the process involving: supplying the line (88) with the silylated prepolymer separated from the cross-linking catalyst, the mixing of the cross-linking catalyst with the main components by the mixer (30), the hot application of the mixed adhesive composition (80) onto a support (96).
US11174414B2 Radiation curable primer adhesive
The present invention involves a 100% solids, radiation curable adhesive formulation for adhesion to EVA. This formulation may have varying compositions, as discussed in detail herein. However primarily the composition may comprise at least a monomer, and a chlorinated additive. Photo initiators may be used to allow for low temperature UV or other radiation curing. Other additives may be used to enhance functional features in various ways. In use, the present invention may be coated on a surface of EVA and then cured, and may be adhered to a substrate using only a layer of adhesive on the substrate, in contrast to the structures of the prior art, which require at least two sided adhesive application, among other complexities.
US11174411B2 Liquid composition, and method for producing a film and a laminate by using the liquid composition
To provide a liquid composition whereby a resin powder can be uniformly dispersed in a resin or the like without being scattered, and a method for producing a film, a laminate or the like by using the liquid composition. The liquid composition comprises a liquid medium and a resin powder dispersed in the liquid medium, and characterized in that the average particle size of the resin powder is from 0.3 to 6 μm, the volume-based cumulative 90% diameter of the resin powder is at most 8 μm, and the resin powder is a resin containing a fluorinated copolymer having a specific functional group. And, the method is a method for producing a film, a laminate or the like by using the liquid composition.
US11174404B2 Continuous roll-to-roll fabrication of cellulose nanocrystal (CNC) coatings
The present application relates to a novel method of large scale continuous roll-to-roll fabrication of cellulose nanocrystal (CNC) coatings with controlled anisotropy, and the cellulose nanocrystal (CNC) coated flexible substrate prepared with the novel method. An unexpectedly high order parameter of 0.78 is observed when in CNC-PVA composite at 70% CNC loading.
US11174403B2 Inkjet ink composition for 3D printing
An inkjet ink composition for 3D printing is disclosed herein. In some embodiments, the ink composition includes at least one radical curable compound selected from the group consisting of an acrylate-based monomer, an acrylate-based oligomer, and a vinyl-based monomer, and a light initiator, wherein the ink composition has dimensional precision an evaluation index of dimensional precision of 90% or more. The ink composition can implement a shape of a target sculpture more accurately by significantly reducing the flow of ink after a 3D printing process.
US11174402B2 Thermosetting resin composition for LDS, resin molded article, and three-dimensional molded interconnect device
The thermosetting resin composition for LDS of the invention includes a thermosetting resin, an inorganic filler, a non-conductive metal compound that forms a metal nucleus upon irradiation with active energy rays, and a coupling agent, in which the non-conductive metal compound includes one or more selected from the group consisting of a spinel-type metal oxide, a metal oxide having two or more transition metal elements in groups adjacent to each other, the groups being selected from groups 3 to 12 of the periodic table, and a tin-containing oxide, and the coupling agent includes one or more selected from the group consisting of mercaptosilane, aminosilane, and epoxysilane.