| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Permanent magnet embedded electric motor, compressor and refrigeration air conditioner | US15511781 | 2014-10-07 | US10116176B2 | 2018-10-30 | 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. | ||||||
| 182 | COMPRESSOR PROVIDED WITH AN ELECTRONIC PRESSURE SWITCH AND METHOD OF REGULATING THE PRESSURE WITHIN SUCH A COMPRESSOR | US15952341 | 2018-04-13 | US20180306188A1 | 2018-10-25 | Maarten Van Acker |
| A compressor provided with a compressor element, a motor configured to drive said compressor element and an electronic pressure switch. The electronic pressure switch includes a pressure sensor; a current sensor; a microprocessor unit including a first input port and a second input port; a first communication unit; and a second communication unit. The electronic pressure switch includes a housing. The microprocessor unit, the pressure sensor, the current sensor, the first communication unit and the second communication unit are integrated in said housing. | ||||||
| 183 | SCROLL COMPRESSOR | US15769399 | 2017-08-23 | US20180306186A1 | 2018-10-25 | Naoki MASUDA; Tomohito AKIYAMA; Shuhei NIIMURA; Taiga FUCHINO; Tetsuya TADOKORO; Masatsugu CHIKANO |
| A scroll compressor includes a fixed scroll, an orbiting scroll, a suction section, a discharge section, and an electric motor. A sliding surface of a scroll is formed outside a wrap with a depression section depressed with respect to a sliding surface and a flange section elevated with respect to the depression section. The flange section is a remaining region in a protruding region disposed outside a referential perfect circle, the remaining region being other than a region continuing to an end of an involute curve of a scroll formed with the flange section, the referential perfect circle having a radius set to a distance between the center of the scroll formed with the flange section and the end of the involute curve. The scroll compressor enhances reduction of the sliding loss with a simple structure and reduction of the refrigerant leakage loss in the entire compression chambers. | ||||||
| 184 | SCROLL COMPRESSOR | US15949890 | 2018-04-10 | US20180298901A1 | 2018-10-18 | Kangwook LEE; Taekyoung KIM; Byeongchul LEE; Cheolhwan KIM |
| A scroll compressor having a casing, a drive motor which is held in place within the casing and has an internal flow passage and an external flow passage to pass through, a rotation shaft which is combined with the drive motor for rotation, a frame that is provided under the drive motor and through which the rotation shaft passes for support, a first scroll which is provided under the frame and on whose one flank surface a first wrap is formed, a second scroll which is provided between the frame and the first scroll, on which a second wrap that is engaged with the first wrap is formed, with which the rotation shaft is eccentrically combined and which forms a compression chamber, and a flow passage separation unit which separates a space between the drive motor and the frame into an internal space and an external space is provided. | ||||||
| 185 | Motor-driven compressor | US15247109 | 2016-08-25 | US10087935B2 | 2018-10-02 | Akimitsu Ichihara; Shinichi Kawamura; Takashi Kawashima |
| A motor-driven compressor includes a three-phase motor including a rotor, a housing, a compression unit, a drive circuit, and a controller. The drive circuit includes u-phase upper and lower arm switching elements, v-phase upper and lower arm switching elements, and w-phase upper and lower arm switching elements. The controller performs a deceleration control in response to the rotor being rotating in a direction opposite to the forward direction. The controller controls the drive circuit in a switching control mode that includes a first mode, in which one or more switching elements of the upper and lower arm switching elements of the three phases are activated while the remaining switching elements are deactivated, and a second mode, which differs from the first mode in a combination of the activated and deactivated switching elements. | ||||||
| 186 | G-rotor pump assembly | US14547970 | 2014-11-19 | US10087932B2 | 2018-10-02 | Zugang Huang; Charles G. Stuart |
| A G-rotor pump assembly is disclosed. The assembly makes use of a housing having a pump/motor housing portion and a laterally projecting housing portion. An electric motor is disposed within the pump/motor housing portion. A controller has a circuit board with a portion which is positioned within the pump/motor housing portion so as to be generally axially aligned with the electric motor and in proximity to the electric motor. A lower cover is configured to engage with the housing to encapsulate the controller and the electric motor within the housing. | ||||||
| 187 | MOTOR, ROTOR, COMPRESSOR, AND REFRIGERATION AND AIR CONDITIONING APPARATUS | US15758024 | 2015-11-02 | US20180248428A1 | 2018-08-30 | Masahiro NIGO; Yuji HIROSAWA; Ryukichi KIJIMA |
| A motor includes a stator and a rotor provided inside the stator. The rotor includes a rotor core having a magnet insertion hole and two permanent magnets disposed in the magnet insertion hole. The rotor core has a first magnet holding portion disposed between the two permanent magnets and holding the two permanent magnets, an opening disposed on an inner side of the first magnet holding portion in a radial direction of the rotor core, and a center hole disposed at a center of the rotor core in the radial direction. A distance from the opening to the magnet insertion hole is shorter than a distance from the opening to the center hole. | ||||||
| 188 | Oilless Compressor | US15553202 | 2016-02-12 | US20180238329A1 | 2018-08-23 | Masayuki KASAHARA; Hideharu TANAKA |
| Size reduction of a compressor and cooling of an electric motor are effectively achieved. An oilless compressor, having: a compressor main body that has a rotor for compressing air, a rotor shaft for supporting the rotor, and a bearing for rotatably supporting the rotor shaft; an electric motor for producing drive force for driving the compressor main body; at least one gear for transmitting drive force to the rotor shaft; a lubricating oil pipe for conveying lubricating oil to the bearing and/or the gear; and an oil pump for pressure-feeding the lubricating oil; wherein the electric motor has, in the external peripheral direction of an armature, a cooling jacket for channeling the lubricating oil to an internal flow channel to cool the armature of the electric motor, and the lubricating oil circulates through the cooling jacket and the lubricating oil pipe. | ||||||
| 189 | ENGINE OIL PUMP WITH ELECTRONIC OIL PRESSURE CONTROL | US15430025 | 2017-02-10 | US20180230870A1 | 2018-08-16 | Georg ZWICKLER; Bryan K. PRYOR; Georg HEDRICH |
| A variable displacement vane pump with electronic oil pressure control provides efficient pumping of engine oil precise regulation of engine oil pressure. The variable displacement oil pump includes a rotor supported in a housing for rotation about an axis of rotation and a slide ring movably supported in the housing. A plurality of vanes extends between the rotor and the slide ring to define a plurality of variable displacement pumping chambers. An electronic drive mechanism is configured to position the slide ring with respect to the axis of rotation, and a controller is configured to drive the electronic drive mechanism for selectively positioning the slide ring to adjust an eccentricity of the slide ring relative to the axis of rotation such that the displacement of the pumping chambers is varied. | ||||||
| 190 | Co-Rotating Compressor | US15877870 | 2018-01-23 | US20180223848A1 | 2018-08-09 | Roy J. DOEPKER; Robert C. STOVER |
| A compressor may include first and second compression members, first and second bearing assemblies, a sensor, and processing circuitry. The second compression member cooperates with the first compression member to define a compression pocket. The first and second bearing assemblies rotatably support the first and second compression members, respectively. The first bearing assembly may include a bearing rotor and a bearing stator. The bearing stator may surround the bearing rotor and may include poles each having a winding. The sensor may measure a radial position of the bearing rotor relative to the bearing stator. The processing circuitry may be in communication with the sensor and may control electrical current supplied to the windings based on the radial position measured by the sensor to adjust the radial position of the bearing rotor relative to the bearing stator. | ||||||
| 191 | CO-ROTATING COMPRESSOR | US15425266 | 2017-02-06 | US20180223843A1 | 2018-08-09 | Roy J. Doepker; Robert C. Stover |
| A compressor may include first and second scroll members, first and second bearing housings, and a motor assembly. The first scroll member includes a first end plate and a first spiral wrap extending from the first end plate. The second scroll member includes a second end plate and a second spiral wrap extending from the second end plate and intermeshed with the first spiral wrap to define compression pockets therebetween. The first bearing housing supports the first scroll member for rotation about a first rotational axis. The second bearing housing may support the second scroll member for rotation about a second rotational axis that is parallel to and offset from the first rotational axis. The motor assembly may be disposed axially between the first and second bearing housings and may include a rotor attached to the first scroll member. The rotor may surround the first and second end plates. | ||||||
| 192 | Embedded permanent magnet-type electric motor, compressor, and refrigeration/air-conditioning device | US15121959 | 2014-04-22 | US10027193B2 | 2018-07-17 | Masahiro Nigo; Kazuchika Tsuchida |
| Provided is an interior permanent magnet motor, including: a rotor including a plurality of permanent magnets; and a stator. The rotor further includes a rotor core. The rotor core has a plurality of magnet insertion holes. A plurality of slits are formed in a region of the rotor core, which is located on a radially outer side of the magnet insertion holes. At least two of the slits are formed so that a core region sandwiched between the two slits has a portion increased toward the radially outer side. | ||||||
| 193 | FLUID COMPRESSOR | US15869151 | 2018-01-12 | US20180195511A1 | 2018-07-12 | Kevin Mumpower; Nicholas Sweet |
| A fluid compressor includes a housing, a compression chamber, and a shaft including two vanes that each extend from the shaft to contact an inner surface of the compression chamber. The shaft, vanes, and inner surface of the compression chamber define at least two suction pockets and at least two discharge compression pockets arranged around a perimeter of the shaft. Each suction pocket is between two discharge pockets and each discharge pocket is between two suction pockets. | ||||||
| 194 | Claw pump | US15033158 | 2014-11-06 | US10006459B2 | 2018-06-26 | Kenichi Kobayashi |
| A claw pump includes: a housing; two rotating shafts which are disposed parallel; a pair of rotors respectively fixed to the two rotating shafts; a rotary drive device driving the pair of rotors; and a suction port and discharge ports formed in a partition wall of the housing. The discharge ports are constituted by a first discharge port and a second discharge port. The first discharge port is formed at a position that communicates with an initial stage compression space formed at an initial stage of a compression stroke in a compression space that is formed by joining a first pocket and a second pocket. The claw pump includes an opening/closing mechanism which opens the first discharge port when a pressure of the initial stage compression space reaches a threshold and closes the first discharge port when the pressure does not reach the threshold. | ||||||
| 195 | PUMP INTEGRATED WITH TWO INDEPENDENTLY DRIVE PRIME COVERS | US15887856 | 2018-02-02 | US20180172003A1 | 2018-06-21 | Thomas AFSHARI |
| A pump having at least two fluid drivers and a method of delivering fluid from an inlet of the pump to an outlet of the pump using the at least two fluid drivers. Each of the fluid drives includes a prime mover and a fluid displacement member. The prime mover drives the fluid displacement member to transfer fluid. The fluid drivers are independently operated. However, the fluid drivers are operated such that contact between the fluid drivers is synchronized. That is, operation of the fluid drivers is synchronized such that the fluid displacement member in each fluid driver makes contact with another fluid displacement member. The contact can include at least one contact point, contact line, or contact area. | ||||||
| 196 | ELECTRIC PUMP | US15822561 | 2017-11-27 | US20180163723A1 | 2018-06-14 | Toshinobu HORIMATSU; Satoshi Masukura; Naoto Morishita |
| An electric pump includes a housing 2 configured of a housing body 3 and a cover 4, a stator 6 having a plurality of coils 15, a rotor 7 configured of an inner side outer rotor 16 and an outer side rotor body 17, a pump part 8 disposed on the inner circumferential side of the rotor 7 of an electric motor 5, side plates 11 and 12 disposed on both side surfaces of the rotor 7, an inner rotor 9, and a plurality of connecting plates 10 interposed between the outer rotor 16 and the inner rotor 9. The side plate 12 of the side plates 11 and 12 is pressed to the rotor 7 by a compression coil spring 28. | ||||||
| 197 | Electric motor vehicle vacuum pump arrangement | US14772784 | 2013-03-05 | US09989058B2 | 2018-06-05 | Nabil Salim Al-Hasan; Mathias Zill; Sebastian Cramer; Daniel Mueller |
| An electric vehicle vacuum pump assembly includes a combination, a separate acoustic barrier casing configured to encase the combination in each of a radially-spaced relationship and an axially-spaced relationship, and an annular gastight attenuation assembly radially arranged between the separate acoustic barrier casing on a first side and the combination on a second side. The combination comprises a pump unit and a drive motor comprising a rotor space, a stator space, a ventilation inlet, and a ventilation outlet. The rotor space comprises a motor rotor, and the stator space comprises a motor stator. The separate acoustic barrier casing comprises an intake connection and a discharge connection. The ventilation inlet and the ventilation outlet of the drive motor are configured to provide a forced ventilation past the annular gastight attenuation assembly and through at least one of the rotor space and the stator space. | ||||||
| 198 | Fuel pump | US15154064 | 2016-05-13 | US09982672B2 | 2018-05-29 | Hiromi Sakai; Daiji Furuhashi |
| A fuel pump includes an inner rotor, an outer rotor, a casing, and a housing. The inner rotor includes outward teeth. The outer rotor includes inward teeth geared with the outward teeth. The casing houses the inner rotor and the outer rotor, and forms a variable capacity pump chamber between the inward teeth and the outward teeth. The housing is formed in a cylindrical shape and includes a cylindrical inner portion, the casing being press fit into the cylindrical inner portion. A recessed portion is formed at a predetermined position in a circumferential direction of an outer circumferential surface of the casing, the recessed portion being recessed toward a radial direction center of the outer circumferential surface. | ||||||
| 199 | LIQUID PUMP/ELECTRIC MOTOR COMBINATION | US15837395 | 2017-12-11 | US20180100503A1 | 2018-04-12 | Thomas Peterreins |
| A liquid pump/motor combination powered by an electric motor, preferably, an oil pump or reducing-agent pump with an electric motor, a positive displacement pump and a bearing shield arranged between the electric motor and the positive displacement pump. The liquid pump/motor combination comprises a positive displacement pump; an electric motor; and a bearing shield having a contact face, the bearing shield arranged between the electric motor and the positive displacement pump. A spherical bearing is accommodated in the bearing shield, the spherical bearing, under application of a force, being able to swivel to a limited extent. A connecting shaft is accommodated in the spherical bearing. The connecting shaft is positioned between the electric motor and the pump. An annular bearing gap, filled with liquid, is between the inside diameter of the spherical bearing and the connecting shaft. The arrangement functions as a hydrodynamic sliding bearing. | ||||||
| 200 | STATOR, MOTOR HAVING THE STATOR, AND COMPRESSOR | US15566132 | 2016-04-15 | US20180091014A1 | 2018-03-29 | Hiroki SHIRASAKA |
| A stator includes a core having inwardly extending teeth, an insulator placed on an end surface of the core, coil windings wound the teeth, outgoing lines extending from both ends of the coil windings, and a yarn securing the outgoing lines to the insulator. The insulator has an outer wall surrounding a central axis and erected to upwardly extend from the end surface, a plurality of teeth cover portions radially inwardly extending from the outer wall, and a plurality of inner walls erected at an end portions of the teeth cover portions. The coil windings are placed between the outer wall and corresponding inner walls. A passage portion radially extends and is formed in at least one of the teeth cover portions to pass the yarn, and the passage portion is spaced from the coil windings. | ||||||
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