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 |
|---|---|---|---|---|---|---|
| 201 | SCROLL COMPRESSOR | US15574534 | 2016-05-13 | US20180128269A1 | 2018-05-10 | Yasunori NAKANO; Satoshi NAKAMURA; Takamasa ADACHI; Masatsugu CHIKANO; Yuuichi YANAGASE |
| A scroll compressor is provided which includes: a revolving scroll, a fixed scroll, an autorotation preventing mechanism, a frame, a crank shaft provided with an eccentric pin portion which is eccentric with respect to an axis, the crank shaft being provided with a flange portion at a lower portion of the eccentric pin portion, the flange portion being larger than the diameter of the eccentric pin portion, a balance weight mounted on the flange portion, a sealing member performing sealing between the revolving scroll and the flange portion, and a thrust bearing arranged between the frame and the flange portion. The scroll compressor reduces the amount of oil flowing into a back pressure chamber, thereby improving the performance of the scroll compressor. | ||||||
| 202 | BEARING PLATE FOR SUPERCHARGER | US15837047 | 2017-12-11 | US20180100544A1 | 2018-04-12 | Justin Hopkins; Matthew Swartzlander |
| A supercharger constructed in accordance to one example of the present disclosure includes a housing, first and second rotors, a bearing plate and a pair of sleeves. The first and second rotors are received in cylindrical overlapping chambers of the housing, the first rotor supported by a first rotor shaft, the second rotor supported by a second rotor shaft. The bearing plate is coupled to the housing and has an oil cavity side and an air cavity side. The bearing plate is formed of aluminum. The pair of sleeves can be received by the bearing plate and support respective bearings rotatably supporting respective first and second axle shafts. The pair of sleeves are formed of steel. | ||||||
| 203 | SUPERCHARGER HAVING ROTOR WITH PRESS-FIT STUB SHAFTS | US15837198 | 2017-12-11 | US20180100506A1 | 2018-04-12 | Andrew Meyers; Kenneth Rienas; Daniel Ouwenga |
| A supercharger constructed in accordance to one example of the present disclosure includes a housing, a first rotor, a second rotor and a rotor shaft assembly. The first and second rotors are received in cylindrical overlapping chambers of the housing. The first rotor has a central longitudinal passage. The rotor shaft assembly rotatably supports the first rotor and includes a first rotor shaft and a separate and distinct second rotor shaft. The first and second rotor shafts are press-fit into the central passage defined in the first rotor. | ||||||
| 204 | CO-ROTATING SCROLL COMPRESSOR HAVING DISPLACEMENT BEARING | US15706911 | 2017-09-18 | US20180080445A1 | 2018-03-22 | Jaesang LEE; Nayoung JEON; Byeongchul LEE |
| A co-rotating scroll compressor is provided in which a bearing configured to support a scroll is displaced by a torque repulsive force, which is applied to the bearing due to compression repulsion of a compressed fluid, the torque repulsive force is converted into a sealing force of compression pockets, which are defined by wraps of co-rotating scrolls such that the sealing force of the compression pockets is increased, and in which a bearing housing is rotatably installed in a housing accommodation hole, a rotational center of a second scroll is positioned at a position eccentric from a rotational center of a bearing housing, the bearing housing is rotated by the torque repulsive force applied to the second scroll, some of the torque repulsive force is converted into the sealing force against a sealing disturbing force, and thus, the wrap of the second scroll is pressed against the wrap of the first scroll by the sealing force. | ||||||
| 205 | REFRIGERANT COMPRESSOR | US15624772 | 2017-06-16 | US20180066700A1 | 2018-03-08 | Yuko KOZUMA; Yasuaki IIZUKA; Mutsunori MATSUNAGA; Masaru OHTAHARA |
| A refrigerant compressor includes a compression mechanism portion, a drive portion, a crankshaft, a main bearing and an auxiliary bearing that support the crankshaft, and a sealed container that accommodates therein the compression mechanism portion, the drive portion, the crankshaft, the main bearing, and the auxiliary bearing. The auxiliary bearing is configured of an antifriction bearing and provided in an auxiliary bearing housing attached to the sealed container. The auxiliary bearing housing includes an opening for inserting the auxiliary bearing on the drive portion side, and includes a housing cover covering the opening. An insulating sleeve configured of an insulating material is provided between the crankshaft and the auxiliary bearing. The insulating sleeve includes a cylinder portion located between the crankshaft and the auxiliary bearing, and a flange portion located between the auxiliary bearing and the housing cover and extended in an outer diameter direction. | ||||||
| 206 | DUAL INPUT PUMP AND SYSTEM | US15691418 | 2017-08-30 | US20180066655A1 | 2018-03-08 | Andrzej KOWALSKI; Richard MUIZELAAR |
| A dual input fluid pump system for coupling to a transmission or an engine and an electrical motor is disclosed. The system may include a first external gear, vane, internal gear, or gerotor-type pump, a second external gear pump, and connecting shaft. Gears of the second pump include one-way clutch bearings that enable operation of the system in multiple modes including engine-only; motor-only; a combined mode where the engine operates the first pump via the shaft and the motor operates the second pump with an external gear rotating in its pumping direction at a rate greater than the shaft; inlet boost; and a disconnection mode. Also noted is a pump that has a first shaft for coupling the engine to a first external gear and a second shaft for coupling the motor to a second external gear, as well as a one-way clutch bearing that performs in a similar manner. | ||||||
| 207 | GEAR PUMP BEARING | US15618664 | 2017-06-09 | US20180051742A1 | 2018-02-22 | Martin YATES |
| The invention provides a gear pump bearing block and method of manufacturing gear pump bearing block. Bearing block includes bush formed of antifriction alloy, having a cylindrical portion providing bore adapted to receive bearing shaft of a gear of pump, and further having a flange portion extending radially outwardly at end of cylindrical portion to provide thrust face adapted to slidingly engage with side surface of gear. Bearing block also has backing layer covering radially outer surface of cylindrical portion and rear face of flange portion, backing layer being formed of relatively less dense alloy compared to antifriction alloy. Furthermore, there is an annular formation of one or more stiffening members, formation surrounding bore, the, or each, stiffening member being embedded in flange portion, and the, or each, stiffening member being formed of material having higher elastic modulus than antifriction alloy. | ||||||
| 208 | PUMP DEVICE | US15557126 | 2016-03-31 | US20180045051A1 | 2018-02-15 | Alexander HAHN; Hassan GHODSI-KHAMENEH |
| The invention relates to a pump device (10) for pumping a fluid (13), comprising: a pump housing (12) having an annular portion (22); a pump ring (14), which is deformable and defines an annular pump chamber (57) at least in some portions; a first connection (51) and a second connection (52), said first connection (51) and said second connection (52) being in fluid communication with the pump chamber (57); an eccentric (18), which is designed to be rotatable relative to the pump housing (12) and which is arranged such in the pump device (10) that the eccentric (18), depending on a current rotational position of the eccentric (18), deforms the pump ring (14) in such a way that the pump ring (14) presses at least partially against the annular portion (22) in order to pump, by way of a rotation of the eccentric (18), the fluid (13) along the pump chamber (57) from the first connection (51) to the second connection (52) depending on the current rotational position of the eccentric; and a clamping element (114), which is designed to statically press the pump ring (14) against the annular portion (22) of the pump housing (12) in a clamping link region (45). The pump ring (14) has at least one recess (47) for accommodating at least part of the clamping element (114), said recess (47) being dimensioned such that in each rotational position of the eccentric (18) at least in some portions a distance (48) between the radially inner side (50) of the clamping element (114) and the pump ring (14) is provided. | ||||||
| 209 | Scroll compressor | US14394040 | 2013-04-09 | US09879673B2 | 2018-01-30 | Xiaogeng Su; Weihua Guo; Qingfeng Sun; Zhen Hu |
| A scroll compressor (10), comprising a fixed scroll (150), a movable scroll (160) and a drive shaft (30); the scroll compressor (10) further comprises a movable scroll counterweight (40); the movable scroll counterweight (40) is configured to rotate with the drive shaft (30); and the centrifugal force of the movable scroll counterweight (40) caused by the rotation acts on the hub (162) of the movable scroll (160). The above structure can effectively reduce the impact of the centrifugal force of the movable scroll on the radial seal of a scroll component, thus achieving proper radial sealing force between the fixed scroll and the movable scroll at any rotating speed. | ||||||
| 210 | ARRANGEMENT COMPRISING A ROTOR, A STATOR AND MEANS FOR MUTUAL POSITION DETECTION THEREOF | US15536257 | 2015-12-11 | US20170342979A1 | 2017-11-30 | Curt Gunnar Falk |
| The bearing assembly, consisting of a stator component (S1) and a rotor component (R1), where the rotor component is adapted for a back-and-forth oscillatory movement (P, −P) relative to the stator component, whereby a number of cavities (301 and 302; 303 and 304) coordinated along the outer periphery of the rotor component and the inner periphery of the stator component, formed with an increasing volume (301 and 302) and a decreasing volume (303 and 304), respectively, during rotation of the rotor component in an initial direction (P) from an initial position (IP) and towards a final position (FP), while the cavities allow the volumes to decrease and increase during a rotational motion of the rotor component in a second direction (−P) in relation to the stator component (S1). The invention specifies that the above-mentioned bearing arrangement is to be adapted to interact with an instrument (M1) in order to determine, with the help of at least two components, the momentary position of the rotor component in relation to the stator component. | ||||||
| 211 | Screw compressor | US15289869 | 2016-10-10 | US09828998B2 | 2017-11-28 | Holger Tychsen |
| A screw compressor includes a housing having an inlet for receiving gas to be compressed by the compressor and an outlet for discharging pressurized compressed gas. A pair of meshing threaded rotors, each rotor having an axis and being rotatably received in the housing, each rotor having a first end near the inlet and a second end near the outlet. A bearing rotatably carrying each rotor about its axis and positioned near the first end and the second end of each rotor. A conduit formed in the housing in selectable fluid communication with at least one bearing and a force generating source from a pressurized fluid source, the force generating source selectably providing a force in a radial direction relative to the axis of the at least one bearing. | ||||||
| 212 | Compressor and oil drain system | US14522270 | 2014-10-23 | US09828995B2 | 2017-11-28 | Daniel Kistner; Frank Banaszak; Michael Besseling |
| A unique compressor system may include a compressor having a compressor housing. The compressor housing may include an oil drainage passage formed therein. The passage may be configured to drain oil from bearings and other oil-lubricated components of the compressor. The compressor may be coupled to a gearbox or an oil tank. The gearbox or oil tank may include a passage that is in fluid communication with the oil drainage passage. The gearbox or oil tank passage may be operative to receive the drained oil and to direct the drained oil to an oil tank. | ||||||
| 213 | CRANKSHAFT FOR ROTATORY COMPRESSOR, ROTATORY COMPRESSOR AND REFRIGERATING CYCLE DEVICE | US15533557 | 2015-05-08 | US20170335849A1 | 2017-11-23 | Kaicheng YANG; Jijiang YU; Yangbo YU |
| A crankshaft for a rotary compressor includes: a body (1) and an eccentric portion (2), the eccentric portion (2) being fitted over the body (1), wherein at least one of a flexible structure (21) and an oil pressure surface (22) is arranged on the eccentric portion (2). The flexible structure (21) is configured to deform inwards when subject to an external force in an inward direction. The oil pressure surface (22) is configured in such a way that in a direction opposite to a rotating direction of a rotating central axis of a crankshaft (300), a distance between a front end (221) of the oil pressure surface (22) and the central axis of the eccentric portion (2) is smaller than a distance between a tail end (222) of the oil pressure surface (22) and the central axis of the eccentric portion (2). Also disclosed are a rotary compressor and a refrigerating cycle device. The crankshaft can effectively solve the problem that a rotary compressor gets stuck due to abnormal contact between a piston and an air cylinder, and a high-pressure oil wedge can be formed at a tail portion of an oil cavity, thereby increasing an inlet oil pressure, and improving the environment of lubrication between an eccentric portion and a piston. | ||||||
| 214 | OIL-FREE SCREW COMPRESSOR | US15513830 | 2015-09-24 | US20170306959A1 | 2017-10-26 | Yoshio YANO; Toshiyuki MIYATAKE |
| An oil-free screw compressor includes: a casing having a rotor chamber; a bearing supporting rotary shafts of the screw rotors; a shaft seal device including an oil seal portion and an air seal portion; an atmosphere open hole formed in the shaft seal device; at least one communication hole formed in the rotary shaft; and an annular space communicating the atmosphere open hole with the at least one communication hole communicate with each other. The annular space includes an inner peripheral annular space formed on an inner peripheral side of the casing. Assuming an open cross-sectional area of the inner peripheral annular space as S1, a total open cross-sectional area of the communication holes as S2, an open cross-sectional area of the i-th communication hole out of the communication holes as S2i, and the number of communication holes as n (n being a natural number of 1 or more), a following relationship is satisfied. S 1 ≧ S 2 = ∑ i = 1 n S 2 i | ||||||
| 215 | Scroll compressor | US15026996 | 2013-12-09 | US09797401B2 | 2017-10-24 | Kohei Tatsuwaki; Fumihiko Ishizono; Masayuki Kakuda; Yuji Takamura |
| A scroll compressor includes a stationary scroll; an orbiting scroll having a pair of first Oldham keyways on one surface thereof, the orbiting scroll defining a compression chamber in combination with the stationary scroll; a frame having a pair of second Oldham keyways and supporting the orbiting scroll; and an Oldham ring for inhibiting rotation of the orbiting scroll, the Oldham ring having a pair of first Oldham keys on one surface thereof and a pair of second Oldham keys on the other surface thereof, the first Oldham keys slidably engaging with the respective first Oldham keyways, the second Oldham keys slidably engaging with the respective second Oldham keyways. The Oldham ring includes at least a pair of projections on the other surface thereof, and the projections have a height such that when the Oldham ring is inclined during simple harmonic motion, one of the projections makes contact with the one surface of the orbiting scroll before each of the first Oldham keys is brought into contact with the corresponding first Oldham keyway at two locations. | ||||||
| 216 | Compressor and bearing assembly | US14551515 | 2014-11-24 | US09790941B2 | 2017-10-17 | 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. | ||||||
| 217 | MOTOR-OPERATED COMPRESSOR | US15363287 | 2016-11-29 | US20170292517A1 | 2017-10-12 | Junggu LEE; Taekyoung KIM; Yicheol CHOI; Joohyung KIM; Ilyoung PARK; Bumsuk KIM; Junyoung LIM |
| A motor-operated compressor includes a casing having an inner space in which a driving motor, an orbiting scroll and a fixed scroll are accommodated, and a controller provided outside the casing. The casing includes an intake hole formed at a side adjacent to the controller and an exhaust hole formed at a side adjacent to the fixed scroll on the basis of the driving motor. The casing includes a communication passage formed between the casing and a stator of the driving motor, such that a refrigerant introduced into the inner space through the intake hole is introduced into the suction chamber through the driving motor. A back pressure space supporting the orbiting scroll is sealed by oil. The stator has teeth on its inner circumferential surface and protrusions on its outer circumferential surface, each protrusion being located within a width range of each tooth. | ||||||
| 218 | COMPRESSOR EXHAUST STRUCTURE, SCREW COMPRESSOR AND AIR-CONDITIONING UNIT HAVING SAME | US15508936 | 2014-12-26 | US20170284399A1 | 2017-10-05 | Qiaoming YANG; Rihua LI; Tianyi ZHANG; Guanghui XIA; Gongsheng TAN; Weijun LIN; Hao LONG; Yushi BI; Yanhai PENG; Kang XU |
| Disclosed are a compressor exhaust structure, a screw compressor and an air-conditioning unit, wherein the compressor exhaust structure comprises a machine body (2), an exhaust bearing seat (1) provided on an exhaust end of the machine body (2), and an oil separating barrel (5) covering the exhaust bearing seat (1). The exhaust bearing seat (1) is provided with a first exhaust chamber, the machine body (2) is provided with a second exhaust chamber (21), and a third exhaust chamber is formed between the exhaust bearing seat (1) and an inner wall of the oil separating barrel (5); the first exhaust chamber is in fluid communication with the second exhaust chamber (21), the second exhaust chamber (21) is in fluid communication with the third exhaust chamber, and the third exhaust chamber is in fluid communication with a discharge port of the oil separating barrel (5). The above-mentioned compressor exhaust structure enables gas flow to firstly enter the machine body (2) via the exhaust bearing seat (1) and then to flow out of the machine body (2), which extends the flow path of the gas flow, facilitates the isolation of gas flow noise, and reduces gas flow pulsation. | ||||||
| 219 | SCROLL COMPRESSOR | US15503653 | 2015-09-10 | US20170268511A1 | 2017-09-21 | Yusuke IMAI; Sadayuki YAMADA; Atsushi SAKUDA; Akihiro HAYASHI; Takashi MORIMOTO |
| An elastic body is provided which biases one of a fixed scroll and an orbiting scroll in a direction in which the fixed scroll and the orbiting scroll are spaced away from each other. With this, upon the start-up of a compressor, a gap is formed between the fixed scroll and the orbiting scroll, and thus the startability is improved. | ||||||
| 220 | Supercharger with sun gear and planetary gears | US14211519 | 2014-03-14 | US09759218B2 | 2017-09-12 | Christopher W. Creager; Daniel R. Ouwenga; Christopher Suhocki |
| A supercharger includes a supercharger housing, a primary rotor having a primary rotor shaft fixed to rotate therewith. A ring gear with internal teeth is attached to a transmission housing portion of the supercharger housing. A sun gear is fixed to the primary rotor shaft. A planetary gear carrier has a plurality of planetary gear shafts. A plurality of planetary gears rotate about corresponding planetary gear shafts and are meshingly engaged with the sun gear and the ring gear and are substantially equally spaced about the sun gear. A rotatable input shaft is connectable to the planetary gear carrier. The input shaft is connectable to receive rotational motion and power from an engine. | ||||||
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