| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | Pump devices | US15277778 | 2016-09-27 | US09920764B2 | 2018-03-20 | Clark J. Shafer; William R. Blankemeier; James A. Nard; Jorge G. Murphy; Radosav Trninich; Kris Malorny |
| The disclosure provides pumps that include improvements in construction, which involve bearing surfaces, recirculation paths, mounting footprints, impeller vane starting diameters, canister assemblies, and rotor assembly bushing configurations. | ||||||
| 202 | Heat pump compressor including liquid crystal polymer insulating material | US15300306 | 2015-03-06 | US09915465B2 | 2018-03-13 | Noriaki Matsunaga; Shinobu Ogasawara; Takeharu Kageyama; Satoru Toyama; Kota Mizuno; Yutaka Hirakawa |
| An insulating material that tends not to hydrolyze is used to thereby provide a heat pump apparatus having long-term reliability. An electric motor of a compressor is fixed to a sealed container and includes a stator around which a winding wire is wound through intermediation of an insulating material, and a rotor surrounded by the stator. The insulating material is a wholly aromatic liquid crystal polyester (LCP) having a molecular main chain constituted by a monomer including p-hydroxybenzoic acid (PHB) as an essential monomer and a monomer solely including benzene-ring as another monomer via an ester bond. The refrigerating machine oil has a saturated water content of 2% or less at 40 degrees C., a relative humidity of 80%, for 24 Hr. To suppress the explosive decomposition reaction of ethylene-based fluorohydrocarbon, a flame retardant is used to generate chemical species that complement active radicals that cause the decomposition reaction. | ||||||
| 203 | Compressor | US15682599 | 2017-08-22 | US20180066657A1 | 2018-03-08 | Michael M. PEREVOZCHIKOV; Kirill M. IGNATIEV |
| A compressor may include a shell, a compression mechanism, a driveshaft, a motor assembly, and a stator support member. The compression mechanism is disposed within the shell. The driveshaft drivingly is engaged with the compression mechanism. The motor assembly may be disposed within the shell and is drivingly engaged with the driveshaft. The motor assembly includes a rotor and a stator. The stator is fixed relative to the shell. The rotor may include an axially extending portion and a radially extending portion. The axially extending portion may be disposed radially outward relative to the stator. The radially extending portion may engage the driveshaft and may be disposed axially between the stator and the compression mechanism. The stator support member may be fixed relative to the shell and the stator. The stator support member may extend longitudinally through at least a portion of the stator. | ||||||
| 204 | SCREW COMPRESSOR | US15553604 | 2015-10-28 | US20180045200A1 | 2018-02-15 | Satoshi IWAI; Ryuichiro YONEMOTO; Eisuke KATO |
| A screw compressor includes a screw rotor, an electric motor for driving the screw rotor, bearings supporting the screw rotor and casings housing these members. The screw compressor also includes an oil feeding passage formed in the casing for feeding oil on a high pressure side to the bearings by a differential pressure between the high pressure side and a low pressure side and an oil feeding amount adjusting unit placed in a middle of the oil feeding passage, the oil feeding amount adjusting unit includes a cylinder, a valve element provided to reciprocate inside the cylinder, and plural flow paths provided in the valve element having different flow path areas, the plural flow paths are switched to adjust an oil feeding amount to be fed to the bearings by moving the valve element in accordance with the differential pressure between the high pressure side and the low pressure side. | ||||||
| 205 | NATURAL GAS FUELED VEHICLE | US15549619 | 2015-02-13 | US20180023516A1 | 2018-01-25 | Cunman ZHANG; Wei ZHOU; Mei CAI; Anne M. DAILLY |
| A natural gas fueled vehicle, includes a natural gas fueled Internal Combustion Engine (ICE) to provide motive power to the vehicle. A pressurizable tank is disposed on the vehicle to contain a natural gas. A natural gas adsorbent is disposed in the tank. A fuel supply tube is to convey the natural gas to the ICE. A scroll compressor is on the vehicle to receive the natural gas from the tank and to deliver a first mixture of compressed natural gas and an oil to a gas and oil separator. The gas and oil separator is to receive the first mixture of the compressed natural gas and the oil from the scroll compressor and to separate the oil from the compressed natural gas and to deliver the compressed natural gas to the fuel supply tube substantially free from the oil. | ||||||
| 206 | OLDHAM COUPLING FOR A SCROLL COMPRESSOR | US15647343 | 2017-07-12 | US20180023393A1 | 2018-01-25 | Yves Rosson; Philippe Dugast |
| An Oldham coupling includes an annular ring having a first side and a second side opposite to the first side, a first and a second engaging groove that are diametrically opposed and located on the first side, and a third and a fourth engaging groove that are diametrically opposed and located on the second side. The first and second engaging grooves are configured to be engaged with a first and a second engaging projection provided on a fixed element. The third and fourth engaging grooves are configured to be engaged with a third and a fourth engaging projection provided on an orbiting scroll. The first and third engaging grooves are located in a first angular sector, and the second and fourth engaging grooves are located in a second diametrically opposed angular sector of the annular ring, the first and second angular sectors have an opening angle less than 40°. | ||||||
| 207 | ELECTRIC COMPRESSOR | US15542838 | 2016-01-27 | US20180003179A1 | 2018-01-04 | Shinji NAKAMOTO; Koji SAKAI; Yuji KAMIYA |
| An electric compressor includes a compression portion that compresses and discharges a drawn fluid, and a motor of the compression portion. The electric compressor includes an actuator that includes multiple electronic components and drives the motor, a first casing that accommodates the actuator, and a second casing that accommodates the compression portion and the motor. The second casing includes a discharge passage in which a high-temperature fluid compressed by the compression portion flows. A limiting structure that limits the heat transfer from the fluid flowing in the discharge passage is provided between one of the electronic components and the discharge passage. The limiting structure includes a seat portion that defines a gap between a bottom surface of the one of the plurality of electronic components and the discharge passage. According to the electric compressor, the heat transfer from the fluid to the electronic components can be limited. | ||||||
| 208 | COMPACT, HIGHLY INTEGRATED, OIL LUBRICATED ELECTRIC VACUUM COMPRESSOR | US15541383 | 2016-02-24 | US20170363084A1 | 2017-12-21 | Richard BURN; Simon WARNER |
| An electrically driven positive displacement compressor includes an electric drive motor configured to drive the compressor, the electric drive motor including a ring shaped electric stator and an electric rotor arranged inside the ring shaped electric stator and defining a cavity within the electric rotor. The compressor also includes a working chamber having an inlet and an outlet, the working chamber being arranged at least partially inside the cavity of the electric rotor. The compressor additionally includes a compressor rotor arranged inside the working chamber and coupled to the electric rotor. | ||||||
| 209 | ECCENTRIC BUSH ASSEMBLY STRUCTURE OF SCROLL COMPRESSOR | US15506020 | 2016-01-26 | US20170356445A1 | 2017-12-14 | In Guk Hwang; Kweon Soo Lim; Soo Cheol Jeong |
| An eccentric bush assembly structure of a scroll compressor, in which an orbiting scroll is eccentrically coupled to a rotary shaft of a drive motor, including a bush body rotatably coupled to the orbiting scroll while being pinned to the rotary shaft of the drive motor by an eccentric shaft, the bush body having a friction prevention groove formed in a surface facing a tip surface of the rotary shaft so as not to come into frictional contact with the tip surface. | ||||||
| 210 | Compressor and method for producing compressor | US15032594 | 2014-10-03 | US09841024B2 | 2017-12-12 | Takeo Hayashi; Yasuto Hiraoka; Seio Miyata; Naoto Sekida; Yoshinobu Ishiodori; Kouji Tanaka |
| A compressor includes compression and drive mechanisms disposed in a casing having a cylindrical member. The compression mechanism includes a cylinder main body, an end surface member attached to the cylinder main body, a muffler main body attached to the end surface member, an intake hole communicating with the compression chamber and extending in a direction crossing the drive shaft, and a circular hole located radially outside the compression chamber and extending in a direction parallel to the drive shaft. The circular hole opens to a space inside the casing. At least a part of the circular hole is located within an area defined by extending the intake hole in a plan view. A method of producing a compressor includes inserting a positioning pin into the circular hole of the compression mechanism and pressing an inlet tube into the intake hole from outside of the cylindrical member. | ||||||
| 211 | ROTARY COMPRESSOR | US15537394 | 2015-12-11 | US20170335848A1 | 2017-11-23 | Naoya MOROZUMI; Taku MORISHITA; Motonobu FURUKAWA; Hiroki KATAYAMA; Junya TANAKA |
| In a rotary compressor, a lower end plate cover is formed in a flat plate shape, a lower discharge chamber concave portion is formed in a lower end plate to overlap a lower discharge hole side of a lower discharge valve accommodation concave portion, and the lower discharge chamber concave portion is formed in a fan-like range between a diametrical line passing through a center of a sub-bearing unit and a midpoint of a line segment connecting a center of the lower discharge hole and a center of a lower rivet to each other and a diametrical line opened by a pitch angle 90° in a direction of the lower discharge hole about the center of the sub-bearing unit. At least a portion of a refrigerant path hole overlaps the lower discharge chamber concave portion and is disposed at a position communicating with the lower discharge chamber concave portion. | ||||||
| 212 | SCROLL COMPRESSOR | US15522150 | 2014-11-20 | US20170335847A1 | 2017-11-23 | Raito KAWAMURA; Shin SEKIYA; Shinichi WAKAMOTO; Masayuki KAKUDA |
| A second space communicated with a first space through communicating paths is provided on an outer circumferential side of first and second scroll bodies. Scroll end portions of the first and second scroll bodies form an inlet port configured to suck gas refrigerant into a compression chamber from the second space. Open ends of the communicating paths on a side of the second space are located at an angle larger than 0° and less than or equal to 180°, around a central axis of a rotating shaft portion, from the inlet ports in a scroll involute direction of the first scroll body and the second scroll body, respectively. Injection ports in a part of an outer circumference of the second space between the open ends and the inlet ports in a circumferential direction are configured to eject liquid refrigerant in a direction toward the inlet ports, respectively. | ||||||
| 213 | SCROLL COMPRESSOR | US15448955 | 2017-03-03 | US20170306964A1 | 2017-10-26 | Taekyoung KIM; Kangwook LEE; Cheolhwan KIM; Byeongchul LEE |
| A scroll compressor is provided that may include a casing that contains oil in a lower space thereof; a drive motor provided at a position spaced from an upper end of the casing by a predetermined gap, such that an upper space is formed in the casing; a rotational shaft coupled to a rotor of the drive motor, and having an oil supply passage to guide the oil contained in the casing to an upper side of the drive motor; a frame provided below the drive motor; a fixed scroll provided below the frame, and having a fixed wrap; an orbiting scroll provided between the frame and the fixed scroll, having an orbiting wrap so as to form a compression chamber by being engaged with the fixed wrap, and a rotational shaft coupling portion to couple the rotational shaft to the orbiting scroll in a penetrating manner; and an oil collection unit including an oil separator provided at the upper space of the casing, and an oil guide having a first end that communicates with the oil separator and a second end that communicates with a lower space of the fixed scroll. | ||||||
| 214 | Driver For High-Frequency Switching Voltage Converters | US15487027 | 2017-04-13 | US20170302212A1 | 2017-10-19 | Joseph G. MARCINKIEWICZ; Kraig BOCKHORST |
| A drive includes: an inverter power circuit that applies power to an electric motor of a compressor from a direct current (DC) voltage bus; and a power factor correction (PFC) circuit that outputs power to the DC voltage bus based on input alternating current (AC) power. The PFC circuit includes: (i) a switch; (ii) a driver that connects a control terminal of the switch to a first reference potential when a control signal is in a first state and that connects the control terminal of the switch to a second reference potential when the control signal is in a second state; and (iii) an inductor that charges and discharges based on switching of the switch. The drive also includes a control module that generates the control signal based on a measured current through the inductor and a predetermined current through the inductor. | ||||||
| 215 | PERMANENT MAGNET EMBEDDED ELECTRIC MOTOR, COMPRESSOR AND REFRIGERATION AIR CONDITIONER | US15511781 | 2014-10-07 | US20170294814A1 | 2017-10-12 | Kazuhiko BABA; Masahiro NIGO; Atsushi ISHIKAWA |
| In a permanent magnet embedded electric motor, a rotor iron core of a rotor disposed on an inner diameter side of a stator includes: a plurality of first slits that are formed on a radial direction outer side of a magnet insertion hole, and communicate with the magnet insertion hole; a plurality of second slits formed at positions opposed to and spaced apart from the first slits; inter-slit iron core portions formed between the first slits and the second slits; outer side iron core portions formed between the second slits and an outer circumferential surface of the rotor iron core; space portions communicating with rotating direction end portions of the magnet insertion hole; and thin iron core portions that are formed between the space portions and the outer circumferential surface of the rotor iron core, and extend in a rotating direction. | ||||||
| 216 | ELECTRIC COMPRESSOR | US15472707 | 2017-03-29 | US20170284395A1 | 2017-10-05 | Hiroshi FUKASAKU; Ken SUITOU |
| An electric compressor includes a cylindrical housing, a rotary shaft accommodated and rotatably supported in the housing, a compression portion compressing refrigerant gas by rotation of the rotary shaft, a stator accommodated in the housing and fixed to the housing, a rotor accommodated in the housing and fixed on the rotary shaft, and a plurality of guide members disposed between the inner peripheral surface of the housing and an outer peripheral surface of a stator core of the stator. A plurality of recesses is recessed in a radial direction of the rotary shaft on the outer peripheral surface of the stator core of the stator and spaced apart from each other in a peripheral direction of the rotary shaft. The guide members are fitted in the respective recesses with a part of the guide members projecting radially outward beyond the outer peripheral surface of the stator core. | ||||||
| 217 | FLUID MACHINE | US15468518 | 2017-03-24 | US20170276136A1 | 2017-09-28 | Yusuke KINOSHITA; Tatsuya KOIDE; Junya YANO |
| A fluid machine includes a housing, an electric motor, a drive circuit that includes a heat-generating component and drives the electric motor, a cover that defines an accommodation chamber, which accommodates the drive circuit, with the housing, and a fastener that fastens the cover to the housing. The cover is configured to press the heat-generating component or a heat transfer member, to which heat of the heat-generating component is transferred, against the housing in a fastening direction of the fastener when fastened by the fastener. The fluid machine further includes a seal that is held between the first opposing surface of the housing and the second opposing surface of the cover in the direction intersecting the fastening direction of the fastener. | ||||||
| 218 | COMPRESSOR OIL SEPARATION AND ASSEMBLY METHOD | US15453469 | 2017-03-08 | US20170268515A1 | 2017-09-21 | Roy J. DOEPKER; Robert J. COMPARIN |
| A compressor may include a shell, a compression mechanism, a bearing housing, a shroud, a stator, and a rotor. The compression mechanism includes a scroll member that is attached to the shell. The shroud is rotatably fixed relative to the shell and attached to the bearing housing. The stator is fixed relative to the shell. The shroud may have an annular body including an inner surface defining a center shroud passage. The stator may have an outer surface defining a stator passage. An outer surface of the rotor and an inner surface of the stator may be spaced apart and define a discharge gap in fluid communication with the center shroud passage and the stator passage. A continuous passage may extend between a top surface of the scroll member and a bottom surface of the shroud and may be in fluid communication with the shroud passage. | ||||||
| 219 | METHOD OF MAKING A TWO-PIECE COUNTERWEIGHT FOR A SCROLL COMPRESSOR | US15064408 | 2016-03-08 | US20170260980A1 | 2017-09-14 | Carl F. Stephens; Lauren A. Markley |
| A method of manufacturing a two-piece counterweight for a scroll compressor is provided. The method includes molding an outer plate, and molding a base having a first opening configured to receive a scroll compressor drive shaft having a longitudinal axis, and configuring the base for assembly and attachment to the drive shaft. The method also includes attaching the outer plate to the base such that the outer plate is axially offset from the base. In a particular embodiment of this method, the base and outer plate are molded from powdered metal. In certain embodiments, the base and outer plate include one or more openings aligned to permit attachment by inserting a mechanical fastener through the aligned openings. In alternate embodiments, the base and outer plate are attached via brazing or welding. | ||||||
| 220 | TWO-CYLINDER HERMETIC COMPRESSOR | US15427919 | 2017-02-08 | US20170248138A1 | 2017-08-31 | Shiho FURUYA; Hideyuki HORIHATA; Hiraku SHIIZAKI |
| A main bearing is disposed on one surface of a first cylinder, an intermediate plate is disposed on another surface of the first cylinder, the intermediate plate is disposed on one surface of a second cylinder, and an auxiliary bearing is disposed on another surface of the second cylinder. A shaft is constituted by a main shaft portion, a first eccentric portion, a second eccentric portion, and an auxiliary shaft portion. A first eccentric portion center position (H1/2) which is the center position of the first eccentric portion in height (H1) is located at a position closer to the main bearing than a first piston center position (P1/2) which is the center position of a first piston in height (P1). A second eccentric portion center position (H2/2) which is the center position of the second eccentric portion in height (H2) is located at a position closer to the auxiliary bearing than a second piston center position (P2/2) which is the center position of a second piston in height (P2). | ||||||
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