子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 221 | TWO-CYLINDER HERMETIC COMPRESSOR | US15427879 | 2017-02-08 | US20170248140A1 | 2017-08-31 | Shiho FURUYA; Hideyuki HORIHATA; Hiraku SHIIZAKI |
| In the two-cylinder hermetic compressor, a first compression mechanism unit includes a first cylinder and a first piston, and a second compression mechanism unit includes a second cylinder and a second piston. A main bearing is disposed on one surface of the first cylinder, and an intermediate plate is disposed on another surface of the first cylinder. The intermediate plate is disposed on one surface of the second cylinder, and an auxiliary bearing is disposed on another surface of the second cylinder. A shaft is constituted by a main shaft portion which has a rotor attached thereto and is supported by the main bearing, a first eccentric portion having a first piston attached thereto, a second eccentric portion having a second piston attached thereto, and an auxiliary shaft portion supported by the auxiliary bearing. The diameter of the auxiliary shaft portion is set larger than the diameter of the main shaft portion. | ||||||
| 222 | TWO-CYLINDER HERMETIC COMPRESSOR | US15427899 | 2017-02-08 | US20170248139A1 | 2017-08-31 | Shiho FURUYA; Hideyuki HORIHATA; Hiraku SHIIZAKI |
| In the two-cylinder hermetic compressor, 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 which has a rotor attached thereto and is supported by the main bearing, a first eccentric portion having a first piston attached thereto, a second eccentric portion having a second piston attached thereto, and an auxiliary shaft portion supported by the auxiliary bearing. A thrust receiving portion is provided on a side of the second eccentric portion facing the auxiliary shaft portion, and the auxiliary bearing is provided with a thrust surface on which the end face of the thrust receiving portion slides while contacting therewith. The thrust surface is provided with a ring groove. | ||||||
| 223 | Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing | US14448132 | 2014-07-31 | US09598960B2 | 2017-03-21 | Jerry Allen Rood; Scott Joseph Smerud; Keith Adam Novak; Joseph M. Heger; Derrick Lepak; Michael Gerard Benco |
| A scroll compressor orbiting scroll bearing lubrication system includes a scroll compressor crankshaft having a lubricating fluid gallery extending therethrough between a first stage orbiting scroll and a second stage orbiting scroll. The first stage employs an orbiting scroll radial bearing and an orbiting scroll hydrodynamic thrust bearing, while the second stage employs an orbiting scroll radial bearing and an orbiting scroll hydrostatic thrust bearing. Lubricating fluid is supplied to the second stage orbiting scroll radial bearing via the lubricating fluid gallery. | ||||||
| 224 | Sliding vane pump | US13990601 | 2011-11-30 | US09556870B2 | 2017-01-31 | John Labbett; Neil Tindle; William Rawnsley, Jr. |
| A sliding vane pump is provided including a pump assembly having a housing with a fluid inlet and a fluid outlet formed therein, a lining member received in the housing defining a substantially cylindrical inner surface and a rotor arranged inside the lining member, defining a substantially cylindrical outer surface. The inner surface of the lining member and outer surface of the rotor define a working space therebetween. The pump assembly also comprises a plurality of vanes received in slots formed about the rotor outer surface. Each vane is arranged to slide in the radical direction with respect to the rotor such that an outer edge of the vane contacts the lining member inner surface, thereby dividing the working space into working chambers. Rotation of the rotor draws fluid from the fluid inlet working into the working chambers, which is ejected into the fluid outlet. | ||||||
| 225 | OIL-FREE SCREW COMPRESSOR | US15124596 | 2014-12-11 | US20170016446A1 | 2017-01-19 | Yoshio YANO; Toshiyuki MIYATAKE |
| An oil-free screw compressor with good assemblability of a shaft seal device that reduces leakage of a compressed gas, where the oil-free screw compressor accommodates male and female screw rotors in a rotor chamber of a casing, supports each screw rotor by a bearing through a rotor shaft, and has shaft seal devices in a shaft seal space. The shaft seal devices include an oil seal on the side of the bearing, a packing case on the side of the rotor chamber, and a gas seal. An end of the packing case on the side of the bearing and an end of the oil seal on the side of the rotor chamber are fitted and fixed by interference fit to form a gas seal accommodation space, the gas seal accommodation space accommodating the seal ring. | ||||||
| 226 | Alignment feature for a lower bearing assembly for a scroll compressor | US14356063 | 2014-03-07 | US09528517B2 | 2016-12-27 | Pankaj Nimbaji Ahire; Vinayak Madanrao Juge; Sunil A. Magadum; Natalie Gehret |
| A compressor including a shell, and a compression mechanism disposed in the shell including a first scroll member having a first spiral wrap and a second scroll member having a second spiral wrap intermeshed with the first spiral wrap. A drive shaft has a first end engaged with the first scroll member for moving the first scroll member relative to the second scroll member, and a bearing assembly including a bearing housing rotatably supports a second end of the drive shaft. A base is secured to the shell, and a mounting feature formed on either the bearing assembly or the base orients the bearing assembly relative to the base. | ||||||
| 227 | Gear pump with improved pump inlet | US15026302 | 2013-10-01 | US09528515B2 | 2016-12-27 | Michael Heinen; René Triebe |
| Gear pump with meshing gears enclosed by a pump housing, with bearing journals arranged on longitudinal axes and each projecting laterally away from the gears, wherein at least one of the bearing journals has, at least over part of its axial extension, a bearing journal diameter that lies in the range of 90% to 100% of a root diameter of the toothing of the associated gear. A toothing width (b) is at least twice the dimension of a distance (a) between the longitudinal axes, the toothing width (b) being an extension of the gears parallel to the longitudinal axes. | ||||||
| 228 | COMPRESSOR AND BEARING ASSEMBLY | US14551515 | 2014-11-24 | US20160369802A9 | 2016-12-22 | Wei Sun; Harry Clendenin; Pankaj Nimbaji Ahire; Pavankumar Jorwekar; Ramprasad Ramaswamy; Vinayak Juge |
| A compressor is provided and may include a shell, a hub, an insert, and at least one collar. The hub may be disposed within the shell and define an axis of rotation. The hub may include an axially extending aperture. The insert may be disposed within the aperture. The at least one collar may be disposed about the hub. | ||||||
| 229 | PRESS-FIT BEARING HOUSING WITH NON-CYLINDRICAL DIAMETER | US15238397 | 2016-08-16 | US20160356274A1 | 2016-12-08 | Ronald J. Duppert; Xianghong Wang |
| A scroll compressor that includes a housing and scroll compressor bodies disposed in the housing. A motor is disposed within the housing and operably connected to a drive shaft for driving one of the scroll compressor bodies. The drive shaft is rotationally supported at one end by a crankcase which includes a bearing housing and a bearing. The crankcase includes a plurality of openings or gas passages passing through the crankcase, as well as a plurality of generally cylindrical sections positioned respectively between adjacent openings. The cylindrical sections define contact regions which can engage an inner periphery of the housing when the crankcase is mounted therein. | ||||||
| 230 | ELECTRIC PUMP | US15169886 | 2016-06-01 | US20160356271A1 | 2016-12-08 | Shogo IWASE; Kenjiroh NAGATA |
| An electric pump includes: a motor rotor having a cylindrical yoke; a pump portion having outer and inner rotors; a shaft transmitting a rotational force from the motor rotor to the pump portion; a motor housing in which a coil portion is fixed to an inner peripheral surface and the motor rotor is housed on the inside of the coil portion; and a pump main body housing the pump portion, wherein the pump main body has a bearing portion supporting a portion of the shaft between the motor rotor and the inner rotor, and the inner rotor has a first recessed portion of a diameter greater than that of the shaft on a side facing the bearing portion and a part of the bearing portion is inserted into the first recessed portion to be disposed. | ||||||
| 231 | Rotary compressor with oil retaining portion | US14358996 | 2012-11-14 | US09512841B2 | 2016-12-06 | Takeshi Ogata; Yu Shiotani; Takumi Hikichi; Kentaro Shii; Tadayoshi Shoyama; Masanobu Wada; Hiroshi Hasegawa; Hirofumi Yoshida; Hiroaki Nakai; Akira Hiwata; Daisuke Funakosi; Ryuichi Ohno; Tsuyoshi Karino |
| A rotary compressor (100) includes a closed casing (1), a cylinder (15), a piston (28), a lower bearing member (72), a vane (33), a suction port (20), a discharge port (41), and a partition member (64). The partition member (64) is attached to the lower bearing member (72) so as to form a space enclosed by the partition member (64) and the lower bearing member (72) at a position adjacent to the lower bearing member (72). A portion of an oil stored in the oil reservoir (22) flows into the enclosed space, and thereby an oil retaining portion (53) is formed. The oil retaining portion (53) is located on the same side as the suction port (20) with respect to a reference plane (H1). | ||||||
| 232 | Internal gear pump | US14309928 | 2014-06-20 | US09506467B2 | 2016-11-29 | Norbert Alaze; Edgar Kurz; Rene Schepp; Michael Eisenlauer; Massimiliano Ambrosi |
| An internal gear pump for a hydraulic vehicle brake system comprises a pump shaft, a pinion positioned on the pump shaft, an annulus configured to mesh with the pinion, a shaft bearing positioned on one side of the pinion, and an axial disk. The pinion is configured to conjointly rotate with the pump shaft. The pump shaft is rotatable mounted in the shaft bearing. The axial disk is positioned between the shaft bearing on one end side, and the pinion and the annulus on an opposite end side, and bears sealingly against the pinion and the annulus. The shaft bearing is configured to center the axial disk. | ||||||
| 233 | INTERNAL GEAR PUMP | US15104188 | 2014-12-10 | US20160327036A1 | 2016-11-10 | Takuya ISHII; Hajime ASADA |
| Provided is an internal gear pump integrally provided with a plain bearing requiring fewer machining steps, allowing inexpensive manufacture, and offering a highly stable seizing property. An internal gear pump (1) comprises: a trochoid (4), in which an inner rotor (3) having a plurality of outer teeth is eccentrically and rotatably accommodated in an outer rotor (2) having a plurality of inner teeth, the outer teeth meshing with the inner teeth, and in which a suction-side chamber for suctioning liquid and a discharge-side chamber for discharging the liquid that has been suctioned into the suction-side chamber are formed between the inner teeth and outer teeth; a drive shaft (9) fixed to the inner rotor (3); a casing (5) in which is formed a recess (5a) for accommodating the trochoid (4); and a cover (6) for closing off the recess (5a) of the casing (5). The cover (6) has a plain bearing part (11) for rotatably supporting the drive shaft (9), and the plain bearing part (11) is formed by injection-molding a thermoplastic resin composition directly onto the cover (6). | ||||||
| 234 | REFRIGERANT COMPRESSOR LUBRICANT VISCOSITY ENHANCEMENT | US15104647 | 2014-10-16 | US20160312781A1 | 2016-10-27 | Stephen L. Shoulders |
| A compressor assembly is provided including an inlet bearing and an outlet bearing. A rotating compressor member is support for rotation on an inlet end by the inlet bearing and on an outlet end by the outlet bearing. A plurality of connecting passages is configured to supply lubricant to the inlet bearing and the outlet bearing. A first lubricant flow path is arranged downstream from a pressure reducing orifice. The first lubricant flow path is fluidly coupled to at least one of the plurality of connecting passages. At least a portion of the first lubricant flow path is arranged in a heat exchange relationship with a hot gas in discharge port such that the lubricant within the first lubricant flow path increases in viscosity. | ||||||
| 235 | Scroll pump having axially compliant spring element | US14102943 | 2013-12-11 | US09429020B2 | 2016-08-30 | Ronald J. Forni |
| A scroll pump includes a frame, a stationary plate scroll, an orbiting plate scroll, a non-energized type of tip seal or seals, an eccentric drive mechanism assembled to and supported by the frame and to which the orbiting plate scroll is assembled so as to be drivable by the eccentric drive mechanism in an orbit about a longitudinal axis of the pump, and an axial compliance system including a flexure. The flexure is interposed between a bearing of the eccentric drive mechanism and a flexure-locating surface of the eccentric drive mechanism. The flexure allows the orbiting plate scroll to move away from the stationary plate scroll in the case of an assembly process which would otherwise result in the tip seal(s) being too forcefully engaged with the plate of the opposing plate scroll. | ||||||
| 236 | GEAR PUMP WITH IMPROVED PUMP INLET | US15026302 | 2013-10-01 | US20160238005A1 | 2016-08-18 | Michael HEINEN; René TRIEBE |
| Gear pump with meshing gears enclosed by a pump housing, with bearing journals arranged on longitudinal axes and each projecting laterally away from the gears, wherein at least one of the bearing journals has, at least over part of its axial extension, a bearing journal diameter that lies in the range of 90% to 100% of a root diameter of the toothing of the associated gear. A toothing width (b) is at least twice the dimension of a distance (a) between the longitudinal axes, the toothing width (b) being an extension of the gears parallel to the longitudinal axes. | ||||||
| 237 | 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. | ||||||
| 238 | COMPRESSOR AND BEARING ASSEMBLY | US14551515 | 2014-11-24 | US20150354571A1 | 2015-12-10 | Wei Sun; Harry Clendenin |
| A compressor is provided and may include a shell, a hub, an insert, and at least one collar. The hub may be disposed within the shell and define an axis of rotation. The hub may include an axially extending aperture. The insert may be disposed within the aperture. The at least one collar may be disposed about the hub. | ||||||
| 239 | 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. | ||||||
| 240 | LOWER BEARING ASSEMBLY FOR SCROLL COMPRESSOR | US14356063 | 2014-03-07 | US20150275898A1 | 2015-10-01 | Pankaj Nimbaji Ahire; Vinayak Madanrao Juge; Sunil A. Magadum; Natalie Gehret |
| A compressor including a shell, and a compression mechanism disposed in the shell including a first scroll member having a first spiral wrap and a second scroll member having a second spiral wrap intermeshed with the first spiral wrap. A drive shaft has a first end engaged with the first scroll member for moving the first scroll member relative to the second scroll member, and a bearing assembly including a bearing housing rotatably supports a second end of the drive shaft. A base is secured to the shell, and a mounting feature formed on either the bearing assembly or the base orients the bearing assembly relative to the base. | ||||||
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