| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Scroll compressor | US14409739 | 2013-06-25 | US09353624B2 | 2016-05-31 | Takuro Yamashita; Ken Suitou; Kazuhiro Kuroki; Satoru Egawa |
| In a motor-driven scroll compressor of the present invention, a double-sided sliding bearing is provided a space between a drive bush and a boss portion. The double-sided sliding bearing has a cylindrical outer sliding member that is provided in the boss portion, and a cylindrical inner sliding member that is provided in the bush portion. In an outer boundary zone of an inner circumferential surface of the boss portion and an outer circumferential surface of the outer sliding member, and an inner boundary zone of an inner circumferential surface of the inner sliding member and an outer circumferential surface of the bush portion, relative rotation is generated. The outer sliding member and the inner sliding member have different lengths in an axial direction, and thereby form a first and a second steps at both ends in the axial direction. | ||||||
| 122 | GEAR PUMP BEARINGS WITH HYBRID PADS | US14531373 | 2014-11-03 | US20160123390A1 | 2016-05-05 | Brandon T. Kovach; Steven A. Heitz |
| A gear pump includes a drive gear mounted to a first gear shaft, a driven gear meshable with the drive gear, a plurality of journal bearings, and a first porting path. The first porting path is adapted to provide high pressure fluid communication from a discharge of the gear pump to a first hybrid pad location for a first journal bearing selected from the plurality of journal bearings, the first hybrid pad location circumferentially adjacent to a first fluid film location. Each location is disposed annularly between an inner surface of the first journal bearing, and an outer surface of the first gear shaft or second gear shaft corresponding to the first journal bearing. | ||||||
| 123 | Automatic compensation mechanism for hinge seal gap in spherical compressor | US13819314 | 2011-07-20 | US09328732B2 | 2016-05-03 | Mengying Wang; Luyi Wang |
| Disclosed is an automatic compensation mechanism for a hinge seal gap in a spherical compressor. A cylindrical hinge formed around a central pin (1), a rotating disk pin seat (81), and a piston pin seat (16) of the spherical compressor. A fan-shaped insert (14) thicker at both sides and thinner in the center thereof is disposed at the bottom of a sump (161) on the pin seat of the cylindrical hinge. The shape of the insert (14) marches the shapes of the sump (161) and of the external cylindrical surface of a semi-cylinder (811) on the pin seat of the cylindrical hinge respectively, forming a dynamic seal fit, thus improving the reliability of the seal, adapting to mass production, and enhancing overall performance. | ||||||
| 124 | Compressor | US14233597 | 2012-07-10 | US09322403B2 | 2016-04-26 | Youhei Nishide |
| A compressor includes a compression mechanism, a drive shaft, a bearing, and an oil supply passage configured to supply lubrication oil to a clearance between the drive shaft and the bearing. The drive shaft includes a large-diameter shaft part supported by the bearing, and a small-diameter shaft part connected to a lower end part of the large-diameter shaft part. A sealing part is configured to reduced or prevent oil leakage from the bearing includes an oil receiving surface formed in the bearing housing so as to face a stepped surface formed at a boundary between the large-diameter shaft part and the small-diameter shaft part. A clearance is formed between the oil receiving surface and the stepped surface so as to surround an outer periphery of the small-diameter shaft part. | ||||||
| 125 | Scroll compressor having a bush bearing provided on a boss of orbiting scroll | US14293028 | 2014-06-02 | US09291164B2 | 2016-03-22 | Sungyong Ahn; Seheon Choi; Byeongchul Lee; Byoungchan Kim; Junghoon Park |
| A scroll compressor is provided in which a boss of an orbiting scroll is inserted into and coupled to a boss coupling recess of a crank shaft, so that friction loss of a bearing portion of the crank shaft may be reduced, compression efficiency and reliability of the compressor may be enhanced, and noise and material costs may be reduced. A bush bearing may be formed as a coating on the boss of the orbiting scroll, so that a thickness of the bearing portion of the crank shaft may be reduced. Since an outer circumferential surface of the bearing portion is in contact with an inner circumferential surface of the boss coupling recess, damage to the bearing portion may be prevented. | ||||||
| 126 | SCROLL COMPRESSOR | US14782393 | 2014-06-02 | US20160061203A1 | 2016-03-03 | Yoonsung CHOI; Byungkil YOO; Seheon CHOI; Jinho KIM; Chuljig BAE; Byeongchul LEE |
| A compressor according to the present disclosure may include a container; a drive motor provided in the container; a crankshaft coupled to a rotor of the drive motor; a first scroll coupled to the crankshaft to receive a rotational force of the drive motor to perform an orbiting movement; a second scroll coupled to the first scroll to form a first compression unit and a second compression unit along with the first scroll; and a vane provided in the first scroll or second scroll to be brought into contact with the other side scroll to form the second compression unit, wherein the first compression unit is carried out in a scroll compression mode and the second compression unit is carried out in a rotary compression mode. | ||||||
| 127 | ROTATION DEVICE AND ROTOR COMPRESSOR AND FLUID MOTOR HAVING THE SAME | US14762609 | 2014-01-21 | US20150322790A1 | 2015-11-12 | Frank Yao; Qihuai Yao |
| A rotating device includes a cylinder body, a front end cover, a rear end cover, a main shaft, an eccentric rotor assembly and an isolation mechanism. The eccentric rotor assembly includes an eccentric shaft, a rolling piston wheel and at least one rolling bearing. In the rotating device, the eccentric shaft is isolated from the rolling piston wheel by the rolling bearing and the two are rotated, and the cylinder body is reliably sealed by an elastic pre-tightening force. Further provided are a rotor compressor using the rotating device, and a fluid motor. A rotating valve body and a rotating valve body reset mechanism in the rotating device are also improved. | ||||||
| 128 | Compressor bearing and unloader assembly | US14159526 | 2014-01-21 | US09115718B2 | 2015-08-25 | Kirill M. Ignatiev; Michael M. Perevozchikov |
| A compressor is provided that may include a drive shaft, a compression mechanism, a bearing and an unloader. The drive shaft may include a main body and a crank pin extending from the main body. The compression mechanism may include first and second members. The crank pin may drivingly engage the second member and cause motion of the second member relative to the first member. The bearing may rotatably supporting the main body of the drive shaft. The unloader may rotatably engage the bearing and slidably engage the main body. | ||||||
| 129 | Scroll compressor having oil hole | US13624044 | 2012-09-21 | US09109599B2 | 2015-08-18 | Jaesang Lee; Byeongchul Lee; Taemin Earmme; Namkyu Cho |
| A scroll compressor is provided. That is, in a shaft penetration scroll compressor in which an eccentric portion of the rotational shaft is overlapped with an orbiting wrap of the orbiting scroll in a radial direction, an oil hole that supplies oil inhaled through an oil passage of the rotational shaft to a thrust bearing surface of the orbiting scroll may be formed at the fixed scroll, and thus, the orbiting scroll may be supported by pressure of oil supplied to the thrust bearing surface through the oil hole to prevent tilting of the orbiting scroll due to eccentricity of a gas force, thereby enhancing reliability and performance of the compressor. | ||||||
| 130 | SUPERCHARGER ASSEMBLY WITH ROTOR END FACE SEAL AND METHOD OF MANUFACTURING A SUPERCHARGER ASSEMBLY | US14580879 | 2014-12-23 | US20150110610A1 | 2015-04-23 | Matthew G. SWARTZLANDER |
| A supercharger assembly has a rotor housing defining a chamber. A rotor is within the chamber and has an end with an end face. A seal has a seal face adjacent the end face. The seal face and the end face have complex topographies configured to be complementary to define a gap therebetween. The complex topographies can be, but are not limited to, interfitting concentric annular channels. The gap functions as a tortuous flow path to inhibit fluid flow past the end face. A method of manufacturing a supercharger assembly is also provided. | ||||||
| 131 | Gear pump with asymmetrical dual bearing | US13850884 | 2013-03-26 | US08998496B2 | 2015-04-07 | Philip T. Alexander; Neil V. Norton; Robert Edward Oehman, Jr.; Mary B. Rollins; Joel E. Cate |
| An asymmetrical bearing is disclosed for use in a gear pump. The bearing may have first and second opposing faces, and first and second bores in communication with the first and second opposing faces. The first and second bores may be configured to receive first and second shafts of a gear pump. The bearing may have a first flat side surface and a second curved side surface, where the second curved side surface includes first and second curved portions associated with the first and second bores, respectively. The first and second faces and the first flat side surface may also include a plurality of grooves configured to direct a flow of process fluid over the bearing during operation of the pump. Self-aligning features can be provided on one or more sealing elements to ensure desired alignment of the sealing components during assembly. Other embodiments are described and claimed. | ||||||
| 132 | INTERNAL GEAR PUMP | US14391556 | 2013-05-24 | US20150064038A1 | 2015-03-05 | Hirohito Terashima; Fumihiko Toyoda |
| An internal gear pump includes a housing having a pump chamber in which an inner rotor and an outer rotor are arranged. A suction port in communication with a suction path and a discharge port in communication with a discharge path are formed at the housing. The pump chamber includes an inner wall having a suction region at a suction port-side and a discharge region at a discharge port-side. The suction region includes a first suction region extending towards the suction path from a pressing point, where the outer rotor is pressed when the internal gear pump is in operation, and a second suction region between the first suction region and the discharge region. A groove that enlarges a clearance between the outer rotor and the inner wall is formed in the first suction region, but the groove is not formed in the second suction region. | ||||||
| 133 | Flow and pressure ripple reduction with advance dual gear and bearing face cut | US13614173 | 2012-09-13 | US08944793B2 | 2015-02-03 | Weishun Ni |
| An aircraft turbine engine Fuel Metering Unit (FMU) is provided including a main gear pump having a main drive gear and a main driven gear and a servo gear pump having a servo drive gear and a servo driven gear. The main drive gear and the servo drive gear are received on an input shaft. The main driven gear is mounted to a first shaft oriented parallel to and adjacent a first side of the input shaft. The main driven gear is in meshing engagement with the main drive gear. The servo drive gear is mounted to a second shaft arranged parallel to and adjacent a second, opposite side of the input shaft. The servo driven gear is in meshing engagement with the servo drive gear. | ||||||
| 134 | Scroll compressor with control valve for controlling cooling capacity based on speed and centrifugal force | US13845300 | 2013-03-18 | US08915724B2 | 2014-12-23 | Akihiro Nakashima; Shinichi Sato; Akio Saiki |
| A scroll compressor includes an orbiting scroll member, a drive mechanism accommodation space, a rotary shaft, a drive bushing, an upstream space, a downstream space, a first communication passage and a second communication passage. The upstream space and the downstream space are formed in the drive mechanism accommodation space by a plain bearing, the drive bushing and an eccentric pin of the rotary shaft. The second communication passage passes through at least the drive bushing and allows the upstream space and the downstream space to communicate with each other. A control valve is disposed in the second communication passage. Centrifugal force of the control valve developed when the rotary shaft is rotated at a predetermined speed or higher causes the control valve to move in a direction in which the second communication passage is opened, thereby to allow the upstream space and the downstream space to communicate with each other. | ||||||
| 135 | SCROLL COMPRESSOR | US14293028 | 2014-06-02 | US20140356210A1 | 2014-12-04 | Sungyong AHN; Seheon CHOI; Byeongchul LEE; Byoungchan KIM; Junghoon PARK |
| A scroll compressor is provided in which a boss of an orbiting scroll is inserted into and coupled to a boss coupling recess of a crank shaft, so that friction loss of a bearing portion of the crank shaft may be reduced, compression efficiency and reliability of the compressor may be enhanced, and noise and material costs may be reduced. A bush bearing may be formed as a coating on the boss of the orbiting scroll, so that a thickness of the bearing portion of the crank shaft may be reduced. Since an outer circumferential surface of the bearing portion is in contact with an inner circumferential surface of the boss coupling recess, damage to the bearing portion may be prevented. | ||||||
| 136 | FLUID MACHINE | US14115559 | 2012-05-03 | US20140322059A1 | 2014-10-30 | Ahmed Kovacevic; Nsikan Udo |
| The present disclosure relates to fluid machines, especially compressors, more especially screw compressors. More particularly the present disclosure describes a fluid machine comprising at least one rotor (64), the rotor including a rotor drive shaft (68) extending from the rotor, a housing in which is mounted the rotor, and at least one bearing insert (74) which mounts around the rotor drive shaft at a first end of the rotor and which includes at least one bearing (114) within it and attaches to the housing. The present disclosure also describes bearing inserts suitable for use on such fluid machines. | ||||||
| 137 | Liquid-Ring Vacuum Pump | US14359625 | 2012-11-22 | US20140322039A1 | 2014-10-30 | Heiner Kösters; Matthias Tamm; Daniel Schütze |
| A liquid-ring vacuum pump comprises a pump casing and a shaft eccentrically mounted in the pump casing. An impeller and a rotor of a drive motor are connected to the shaft. A disk cam is arranged parallel to the impeller. A first main bearing for the shaft is arranged between the impeller and the rotor of the drive motor, on the plane of the disk cam. The impeller is arranged between the first main bearing and a second main bearing. The arrangement of the bearings prevents the shaft from bending, thus allowing the leakage gap between the impeller and the disk cam to be kept small. | ||||||
| 138 | Compressor and refrigerating machine having the same | US13032180 | 2011-02-22 | US08844317B2 | 2014-09-30 | Bokann Park; Philho Cho |
| Disclosed are a compressor and a refrigerating machine having the same, wherein a bearing member (ball bearing) is installed between both thrust bearing surfaces and an elastic member is disposed between the bearing member and at least one of the thrust bearing surfaces so as to allow a rolling contact between the ball bearing and the thrust bearing surface or a washer, thereby reducing a frictional loss at the thrust bearing surface and enhancing the performance of the compressor. | ||||||
| 139 | Internal Gear Pump | US14207971 | 2014-03-13 | US20140271311A1 | 2014-09-18 | Rene Schepp; Norbert Alaze; Edgar Kurz |
| An internal gear pump includes a pinion and an annulus as a return pump in a hydraulic vehicle brake system. The internal gear pump further includes an axial disk and an intermediate piece. The intermediate piece is configured to be acted upon by an outlet pressure of the internal gear pump and press the axial disk against a side face of the pinion and of the annulus. | ||||||
| 140 | INTERNAL GEAR PUMP | US14202027 | 2014-03-10 | US20140255236A1 | 2014-09-11 | Massimiliano Ambrosi; Michael Eisenlauer; Rene Schepp; Norbert Alaze; Edgar Kurz |
| An internal gear pump for a hydraulic vehicle brake system includes a bearing formed for a pump shaft in a tubular form. The bearing is integrally formed with a housing of the internal gear pump. The bearing is configured to mount a pinion of the internal gear pump rotatably on the bearing. The internal gear pump also includes a catch configured to connect the pinion to the pump shaft for conjoint rotation. | ||||||
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