| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | OIL-COOLED SCREW COMPRESSOR AND CONTROL METHOD THEREFOR | US15750142 | 2016-07-21 | US20180223847A1 | 2018-08-09 | Yuichi FUJIWARA |
| An oil-cooled screw compressor includes a controller having an arithmetic operation section for arithmetically determining a remaining moisture amount Dr from at least a suction temperature Ts, a suction pressure Ps, a discharge temperature Td, and a discharge pressure Pd, an inverter control section for comparing a first rotational speed of a motor at which the remaining moisture amount Dr becomes the target moisture amount and a second rotational speed of the motor at which a discharge pressure Pd becomes the target pressure, and for controlling an inverter so as to drive the motor at the larger one of the first and second rotational speeds, and an air release valve control section for opening an air release valve while the discharge pressure Pd exceeds an air release pressure when the motor is driven at the first rotational speed. | ||||||
| 82 | REFRIGERATION CYCLE DEVICE | US15567558 | 2016-06-07 | US20180156217A1 | 2018-06-07 | FUMINORI SAKIMA; AKIRA FUJITAKA; HIROAKI NAKAI; AKIHIRO KYOGOKU; HIDEAKI MATSUO; SHIGEHIRO SATO; KENJI TAKAICHI |
| The present invention includes a refrigeration cycle circuit that includes compressor, indoor heat exchanger, expansion valve, and outdoor heat exchanger that are connected to each other. A working fluid containing R1123 (1,1,2-trifluoroethylene) and R32 (difluoromethane) is used as a refrigerant sealed in the refrigeration cycle circuit, and an electric motor driving device that drives an electric motor of compressor includes a rotational speed estimator. The rotational speed estimator estimates rotational speed based on information on a detection value of an electric current input to the electric motor or a magnetic pole position of a rotor that constitutes the electric motor. | ||||||
| 83 | COMPRESSOR WITH LIQUID INJECTION COOLING | US15819762 | 2017-11-21 | US20180106255A1 | 2018-04-19 | Pedro SANTOS; Jeremy PITTS; Andrew NELSON; Johannes SANTEN; John WALTON; Mitchell WESTWOOD; Harrison O'HANLEY |
| A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns. | ||||||
| 84 | Scroll compressor | US15016844 | 2016-02-05 | US09897089B2 | 2018-02-20 | Yoshimi Watanabe; Shigeyuki Sunahara; Hiroshi Fujita; Ryosuke Miyazawa; Naoya Kogure; Tatsuki Nomura |
| A scroll compressor includes a pair of spiral plate bodies between which a compression chamber that compresses refrigerant is formed; a support configured to support one of the spiral plate bodies; a plurality of refrigerant paths extending through the support so as to provide communication between the compression chamber and an outside of the scroll compressor; and a plurality of check valves each of which is provided in the support for a corresponding one of the refrigerant paths, wherein each of the plurality of check valves includes a valve element and a valve chamber in which the valve element is accommodated, and at least one of the check valves is placed at a position away from a rest of the check valves in a rotation axis direction of the scroll compressor such that the valve chambers of the check valves do not interfere with each other. | ||||||
| 85 | Compressor system having rotor with distributed coolant conduits and method | US14837945 | 2015-08-27 | US09683569B2 | 2017-06-20 | James Christopher Collins; Willie Dwayne Valentine; Stephen James Collins |
| A compressor includes a rotor having an outer compression surface and a plurality of inner heat exchange surfaces. A coolant supply manifold fluidly connects with a coolant inlet in a first axial end of the rotor, and delivers coolant fluid by way of conduits having an axial distribution in the rotor so as to deliver coolant fluid to the heat exchange surfaces. The coolant may be a refrigerant that undergoes a phase change within the rotor. | ||||||
| 86 | Electric compressor | US14591444 | 2015-01-07 | US09651044B2 | 2017-05-16 | Ken Suitou; Kazuo Murakami; Yoshikazu Fukutani; Shinji Tsubai |
| An electric compressor is provided with a compression mechanism, an electric motor, a motor housing, discharge housing and an intermediate pressure housing. The compression mechanism has a compression chamber and is driven by the electric motor. The motor housing accommodates therein the electric motor and the compression mechanism and formed therein an injection port. The discharge housing has therein a discharge chamber into which compressed refrigerant is discharged. The intermediate pressure housing has therein an introduction port for introducing intermediate pressure refrigerant from an external refrigerant circuit and a communication passage that provides communication between the introduction port and the injection port of the motor housing. The motor housing, discharge housing and the intermediate pressure housing has a bolt fastening hole, and a bolt is inserted in the bolt fastening holes to integrally fix the motor housing, discharge housing and the intermediate pressure housing. | ||||||
| 87 | COMPRESSOR | US15264559 | 2016-09-13 | US20170067468A1 | 2017-03-09 | Pedro SANTOS; Jeremy PITTS; Andrew NELSON; Johannes SANTEN; John WALTON; Mitchell WESTWOOD; Harrison O'HANLEY |
| A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns. | ||||||
| 88 | VACUUM PUMP AND SYSTEM OF A VACUUM PUMP AND AN ENGINE | US15306108 | 2015-04-30 | US20170058846A1 | 2017-03-02 | David Heaps; Phillip Saxton; Peter Todman |
| A vacuum pump suitable for mounting to an engine includes a casing, a cavity in the casing having with an inlet and an outlet, a moveable member arranged for rotation inside the cavity, wherein the movable member is movable to draw fluid into the cavity through the inlet and out of the cavity through the outlet so as to induce a reduction in pressure at the inlet, an oil supply conduit for supplying oil from a reservoir to the cavity, and a check valve having a check valve body arranged in the oil supply conduit. The check valve meters the oil flow to the cavity dependent on an oil pressure so that on exceeding an upper oil pressure threshold the supply of oil to the cavity is stopped by means of the check valve. | ||||||
| 89 | Oil separator device for a volumetric compressor and volumetric compressor | US14426439 | 2013-08-27 | US09534600B2 | 2017-01-03 | Virgilio Mietto |
| The present invention is a separator device (oil separation) (100) for a device (1) for compressing a gas through the use of a compression fluid, comprising a compression chamber (2) suited to generate a compressed mixture of the gas and the compression fluid, and a separation tank (7) for the removal of the lubricant fluid from the compressed mixture, a first tubular element (101) suited to be inserted between the compression chamber (2) and the oil separation tank (7) of the compression device (1), in such a way as to convey the mixture inside the tank (7). The device (100) comprises means for deviating and/or conveying the flow of the compressed mixture that are suited to convey the mixture against the inner walls of the first tubular element (101) before the compressed mixture flows out of the first tubular element (101). The invention also concerns a separation tank (7) for a device (1) for compressing a gas through the use of a compression fluid. | ||||||
| 90 | Scroll compressor having biasing system | US14319756 | 2014-06-30 | US09458847B2 | 2016-10-04 | Kirill M. Ignatiev; James F. Fogt; Masao Akei |
| A compressor may include non-orbiting scroll, an orbiting scroll, and a bearing housing. The non-orbiting scroll may include a recess. The orbiting scroll may be intermeshed with the non-orbiting scroll to from a plurality of compression pockets therebetween. The orbiting scroll may include first and second apertures. The first aperture may communicate with one of the compression pockets. The second aperture may communicate with the recess. The bearing housing may support the orbiting scroll and cooperate with the orbiting scroll to define a chamber therebetween. The chamber may communicate with the first and second apertures. | ||||||
| 91 | SCROLL COMPRESSOR AND AIR CONDITIONER INCLUDING A SCROLL COMPRESSOR | US14988105 | 2016-01-05 | US20160201669A1 | 2016-07-14 | Byoungjin Ryu; Younghwan Ko; Byeongsu Kim; Beomchan Kim; Baikyoung Chung |
| A scroll compressor and an air conditioner including a scroll compressor are provided. The scroll compressor may include a main frame configured to support an upper portion of a rotating shaft; a fixed scroll coupled to the main frame and having a first wrap; an orbiting scroll provided to perform an orbiting motion with respect to the fixed scroll and having a second wrap which forms a plurality of compressions chamber between the first wrap and the second wrap; a suction port configured to enable a first refrigerant to be suctioned into the compression chamber; a first introduction port provided at a first side of the fixed scroll and configured to inject the first refrigerant into the plurality of compression chambers; a second introduction port provided at a second side of the fixed scroll and configured to inject a second refrigerant having a pressure different from a pressure of the first refrigerant into the plurality of compression chambers; and a third introduction port provided at a third side of the fixed scroll and configured to inject a third refrigerant having a pressure different from the pressure of the first refrigerant and the second refrigerant into the compression chamber. The first introduction port may be provided at a position at which injecting of the refrigerant through the first introduction port is able to be performed before suctioning of the refrigerant through the suction port is completed. | ||||||
| 92 | Sealed scroll compressor for helium | US14067587 | 2013-10-30 | US09353751B2 | 2016-05-31 | Masao Shiibayashi; Yasushi Izunaga; Takamasa Adachi |
| A suction chamber and the oil injection port are linked, under a certain range of revolution angle, via a suction working chamber formed in the radially outer side by a orbiting scroll outer curve and a fixed scroll inner curve under a certain range of revolution angle. An opening of the oil injection port is provided on a bottom surface between teeth of the fixed scroll so that the suction working chamber formed, in a radially inner side, by a orbiting scroll inner curve and a fixed scroll outer curve and the suction chamber are positioned not to be linked with the oil injection port. | ||||||
| 93 | COMPRESSOR WITH LIQUID INJECTION COOLING | US14994964 | 2016-01-13 | US20160131138A1 | 2016-05-12 | Pedro SANTOS; Jeremy PITTS; Andrew NELSON; Johannes SANTEN; John WALTON; Mitchell WESTWOOD; Harrison O'HANLEY |
| A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns. | ||||||
| 94 | Compressor with liquid injection cooling | US13782845 | 2013-03-01 | US09267504B2 | 2016-02-23 | Pedro Santos; Jeremy Pitts; Andrew Nelson; Johannes Santen; John Walton; Mitchell Westwood; Harrison O'Hanley |
| A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns. | ||||||
| 95 | ROTARY SCREW COMPRESSORS UTILIZING VISCOUS DAMPING FOR VIBRATION REDUCTION | US14820634 | 2015-08-07 | US20160040670A1 | 2016-02-11 | Joseph W. PILLIS; Holger TYCHSEN; Richard W. ARMENTROUT |
| A screw compressor utilizing radial and axial or thrust bearings to maintain the position of the rotors radially and axially and utilizing a damping fluid to dampen rotor vibrations. The damping fluid may conveniently be provided in the form of lubricant that is already used in the compressor to seal the clearances between the rotors and between the rotors and the cylinder during compression. The damping fluid is included in a squeeze film damper, arranged in a parallel arrangement with the radial or thrust bearings, which provides viscous damping to the rotor. The introduction of additional viscous damping such as may be provided by squeeze film dampers may result in significant reduction of compressor vibration regardless of the source of vibration. | ||||||
| 96 | Hermetically sealed scroll compressor | US12622483 | 2009-11-20 | US09239053B2 | 2016-01-19 | Masao Shiibayashi; Kenji Tojo; Yasushi Izunaga |
| In the hermetically sealed scroll compressor, an injection pipe for injecting a fluid to a compression chamber is connected to an injecting port of a fixed scroll. The injecting port includes a first injecting port which is provided in the vicinity of a fixed scroll inner curve and injects the fluid to an orbiting outer compression chamber, and a second injecting port 22b which is provided in the vicinity of a fixed scroll outer curve and injects the fluid to a orbiting inner compression chamber 8b. The second injecting port is placed in parallel in a radius direction with respect to the first injecting port and is placed so that an orbiting scroll wrap does not practically communicate with the orbiting outer compression chamber in the state in which the orbiting scroll wrap is in contact with the outer side of a fixed scroll wrap. | ||||||
| 97 | SCROLL COMPRESSOR AND AIR CONDITIONER INCLUDING A SCROLL COMPRESSOR | US14539707 | 2014-11-12 | US20150135764A1 | 2015-05-21 | Byeongsu KIM; Byoungjin RYU; Beomchan KIM |
| A scroll compressor and an air conditioner including a scroll compressor are provided. The scroll compressor may include a casing, a fixed scroll, an orbiting scroll, and an injection passage. The fixed scroll may further include a first injection hole and a second injection hole formed on a spiral flow passage, and a third injection hole and a fourth injection hole formed on the spiral flow passage at a position inwardly rotated by about 360 degrees from the first injection hole and the second injection hole along the spiral flow passage. The first injection hole and the third injection hole may be formed on an outer lane of the spiral flow passage, and the second injection hole and the fourth injection hole may be formed on an inner lane of the spiral flow passage. | ||||||
| 98 | Compressor having capacity modulation or fluid injection systems | US14041839 | 2013-09-30 | US08857200B2 | 2014-10-14 | Robert C. Stover; Masao Akei; Michael M. Perevozchikov |
| A compressor may include a fluid-injection source, a shell, and first and second scroll members. The shell may define a suction pressure region. The first scroll member may include a first end plate and a first scroll wrap extending therefrom. The second scroll member may include a second end plate and a second scroll wrap extending therefrom. The first and second scroll wraps may cooperate to define a plurality of fluid pockets. The second end plate may include a first passage and a second passage. The second end plate may also include a first port and a second port extending through the second end plate and communicating with at least one of the fluid pockets. The first passage may be in communication with the suction pressure region. The second passage may be in communication with the fluid-injection source. | ||||||
| 99 | Water injected scroll air compressor | US13025460 | 2011-02-11 | US08721308B2 | 2014-05-13 | Kazuaki Shiinoki; Natsuki Kawabata; Hirotaka Kameya |
| As pressure in a water tank rapidly rises when water inside a compressor is evaporated by the high temperature of compressed air and this situation makes the operation unstable, an object of the present subject matter is to address this problem. A water injected scroll air compressor is provided with: an air end of the scroll air compressor; a driving unit that generates driving force for the air end; a compressing path from a suction port to a discharge port; a portion to inject water into the compressing path; a discharge piping of air discharged from the air end; a tank provided on a path of the discharge piping for storing water separated from the compressed air; and a cooler that is provided on the path of the discharge piping between the tank and the air end and cools the compressed air discharged from the air end. | ||||||
| 100 | Sealed Scroll Compressor for Helium | US14067587 | 2013-10-30 | US20140119971A1 | 2014-05-01 | Masao SHIIBAYASHI; Yasushi IZUNAGA; Takamasa ADACHI |
| A suction chamber and the oil injection port are linked, under a certain range of revolution angle, via a suction working chamber formed in the radially outer side by a orbiting scroll outer curve and a fixed scroll inner curve under a certain range of revolution angle. An opening of the oil injection port is provided on a bottom surface between teeth of the fixed scroll so that the suction working chamber formed, in a radially inner side, by a orbiting scroll inner curve and a fixed scroll outer curve and the suction chamber are positioned not to be linked with the oil injection port. | ||||||
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