序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 Screw compressor having a volume ratio being adjusted by end faces extending along from a low-pressure side end wall to discharge edges of a slider US14151404 2014-01-09 US10030653B2 2018-07-24 Dominic Kienzle
A screw compressor housing having screw rotor bores, screw rotors, a drive for the screw rotors, and a slider in a slider receptacle for adjusting a volume ratio of the screw compressor and which extends in a direction towards the high-pressure outlet in a guide trough of the slider receptacle that is open towards the screw rotor bores and which is capable of being positioned in a first position and a second position, wherein the volume ratio of the screw compressor is greater in one of the positions than in the other of the positions, the slider connected to a first cylinder element and cooperates with a second cylinder element, the cylinder elements being at least partially arranged in the insertion space and arranged following the slider in the displacement direction thereof on a side of the slider that is opposite the high-pressure outlet.
162 Contact cooled rotary airend injection spray insert US14857479 2015-09-17 US09920763B2 2018-03-20 Michael R. Borkowski
A compressor having a compressor wall that has an interior surface that defines a compression chamber, in which a rotor or pair of rotors operates to compress a fluid. To do so, the rotors are in operative communication with the interior surface. The compressor also includes an injection port in the compressor wall and opening into the compression chamber, the injection port being in fluidic communication with a second fluid. The compressor can also include an insert in operative communication with the injection port, wherein the insert and the injection port define therebetween a gap through which the second fluid enters the compression chamber.
163 VACUUM PUMP US15559830 2015-03-25 US20180050674A1 2018-02-22 GIORGIO PERONI; RAFFAELE SQUARCINI; GIACOMO ARMENIO
A mechanical automotive vacuum pump includes a housing with a housing cylindrical bearing surface. A pumping chamber is arranged in the housing. A pump rotor which includes a rotor body having a rotor body bearing section and a chamber section is rotatably supported by the housing. A radial vane slit is arranged at the chamber section. A rotor body cylindrical bearing surface is arranged at the rotor body bearing section. The rotor body bearing section includes a circular lubrication ring groove. A radially shiftable pump vane is supported in the radial vane slit. A friction bearing is defined by the rotor body cylindrical bearing surface and the housing cylindrical bearing surface. The housing cylindrical bearing surface includes a lubrication inlet opening which lies in a same transversal plane as and opposite to the circular lubrication ring groove. The lubrication inlet opening is directly connected to a lubricant pump connector.
164 Compressor with liquid injection cooling US14994964 2016-01-13 US09856878B2 2018-01-02 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.
165 Rotary screw compressors utilizing viscous damping for vibration reduction US14820634 2015-08-07 US09856876B2 2018-01-02 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.
166 ROTARY COMPRESSOR US15479483 2017-04-05 US20170292520A1 2017-10-12 Kenshi UEDA; Akira INOUE; Naoya MOROZUMI; Yasuyuki IZUMI
A compressor includes: an annular cylinder; a rotation shaft which is rotated by the motor; a piston which revolves along an inner circumferential surface of the cylinder, and forms a cylinder chamber on the inside of the cylinder; a vane which protrudes to the inside of the cylinder chamber from a vane groove provided in the cylinder, and divides the cylinder chamber into an inlet chamber and a compression chamber by abutting against the piston; and an injection hole which injects a liquid refrigerant to the inside of the compression chamber. The center of the injection hole is disposed to be within a fan-like range of which a center angle is equal to or less than 40° toward a side opposite to a connection position between the compressor housing and the inlet unit from a center line of the vane groove in the circumferential direction of the rotation shaft.
167 CONTACT COOLED ROTARY AIREND INJECTION SPRAY INSERT US14857479 2015-09-17 US20170082107A1 2017-03-23 Michael R. Borkowski
A compressor having a compressor wall that has an interior surface that defines a compression chamber, in which a rotor or pair of rotors operates to compress a fluid. To do so, the rotors are in operative communication with the interior surface. The compressor also includes an injection port in the compressor wall and opening into the compression chamber, the injection port being in fluidic communication with a second fluid. The compressor can also include an insert in operative communication with the injection port, wherein the insert and the injection port define therebetween a gap through which the second fluid enters the compression chamber.
168 COMPRESSOR SYSTEM HAVING ROTOR WITH DISTRIBUTED COOLANT CONDUITS AND METHOD US14837945 2015-08-27 US20170058896A1 2017-03-02 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.
169 SUCTION/COMPRESSION ASSEMBLY FOR A WASTE MATERIAL INTAKE EQUIPMENT OR SYSTEM US15184786 2016-06-16 US20160369800A1 2016-12-22 DANILO SANTAROSSA
The invention relates to a suction/compression assembly for aspirating/compressing gases from/in a system to/from an external environment. The assembly includes an operating machine comprising a body, which defines a chamber, within which one or more rotors are housed, rotating about a corresponding rotation axis. Such a chamber has a symmetrical transverse section evaluated on a plane with respect to at least one first reference plane on which said rotation axis lies. The assembly comprises a device for injecting gas into said chamber which comprises a manifold, connectable to an external source, and a plurality of injection pipes connected to the manifold and to the body of the machine. The body defines a plurality of injection passages, each of which is configured to make one of said injection pipes communicating with the chamber of the machine.
170 SCROLL COMPRESSOR US15016844 2016-02-05 US20160230765A1 2016-08-11 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.
171 Rotary Compressor With Vapor Injection System US15130326 2016-04-15 US20160230763A1 2016-08-11 Kirill M. IGNATIEV; Michael M. PEREVOZCHIKOV
A compressor may include a shell, a terminal assembly and an electronics module. The terminal assembly may engage the shell and may include an outwardly extending conductor and a terminal fence at least partially surrounding the conductor. The electronics module may include a back plate having an opening through which the terminal fence may be received. The back plate may include an engagement feature and a spring element. The engagement feature may removably engage the terminal fence. The spring element may contact the shell and bias the back plate away from the shell.
172 COMPRESSOR SYSTEM INCLUDING A FLOW AND TEMPERATURE CONTROL DEVICE US13580291 2010-10-28 US20160138594A9 2016-05-19 Paul A. Scarpinato; Sudhir Sreedharan; James D. Mehaffey; Paul A. Kirkpatrick
A thermal control valve for use in a lubricant flooded compressor system including a controller that generates a control signal includes a valve body including a hot coolant inlet, a cooled coolant inlet, a mixed coolant outlet, an actuator space, and a cylinder bore. A sleeve is positioned within the cylinder bore and is movable between a first position, a second position, and a third position, and an electrical actuator is at least partially disposed within the actuator space and is operable in response to the control signal to move the sleeve between the first position, the second position, and the third position.
173 Rotary compressor with vapor injection system US14509103 2014-10-08 US09322405B2 2016-04-26 Kirill M. Ignatiev; Michael M. Perevozchikov
A compressor may include a crankshaft, first and second cylinder housings, first and second rotors, a divider plate, and first and second valves. The crankshaft includes first and second eccentric portions. The cylinder housings define cylindrical recesses. The rotors are disposed within respective cylindrical recesses and engage respective eccentric portions of the crankshaft. The first rotor and the first cylindrical recess define a first compression chamber therebetween. The second rotor and the second cylindrical recess define a second compression chamber therebetween. The divider plate may be disposed between the cylinder housings and may include first and second fluid openings in communication with the first and second compression chambers. The valves may be moveable relative to the divider plate between a first position allowing fluid flow through the fluid openings and a second position restricting fluid flow through the fluid openings.
174 ELECTRIC COMPRESSOR US14591444 2015-01-07 US20150192124A1 2015-07-09 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.
175 Electric connector for cooling a compressor drive circuit US13424691 2012-03-20 US09068563B2 2015-06-30 Hiroshi Fukasaku
A motor-driven compressor has a housing and a partition. A compressing portion and an electric motor as the drive source of the compressing portion are accommodated in a first area. A drive circuit for the motor is arranged in a second area so as to have dissipation of the drive circuit. The compressor further includes a conductive member electrically connected to the circuit and fixed to the partition, and an electrical connection portion electrically connecting the conductive member to the motor. The connection portion is partly received in a passing area formed between the housing and the motor. The housing has a suction port and a discharge port. The discharge port is located at a position farther from the partition than the suction port and the passing area. An insertion member in the passing area restricts flow of refrigerant in the housing toward the discharge port via the passing area.
176 Scroll compressor with fluid injection feature US13528285 2012-06-20 US08764423B2 2014-07-01 Kirill M. Ignatiev; James F. Fogt
A compressor may include a shell assembly, a first scroll member located within the shell assembly and including a first end plate and a first spiral wrap extending from the first end plate, and a second scroll member located within the shell assembly, supported for orbital movement relative to the first scroll member and including a second end plate and a second spiral wrap extending from the second end plate and meshingly engaged with the first spiral wrap to form compression pockets. The first scroll member may define a fluid injection port and the second scroll member may define a passage in communication with the fluid injection port and at least one of the compression pockets to provide pressurized vapor from the fluid injection port to the at least one of the compression pockets.
177 HEAT ENGINE SYSTEM FOR POWER AND HEAT PRODUCTION US13974847 2013-08-23 US20140053544A1 2014-02-27 Ibrahim DINCER; Calin ZAMFIRESCU
A heat engine system comprises a first heat exchanger, an expander, a second heat exchanger and a valve assembly. The first heat exchanger is in fluid communication with a heat source for heating a working fluid therein. The expander is downstream the first heat exchanger and is in fluid communication therewith for receiving the heat working fluid. The second heat exchanger is downstream the expander and in fluid communication therewith for cooling down the working fluid received therefrom. The valve assembly is in fluid communication with the second heat exchanger and the expander for providing for selectively injecting the expander with cooled working fluid from the second heat exchanger.
178 Compressor having capacity modulation or fluid injection systems US12789105 2010-05-27 US08616014B2 2013-12-31 Robert C. Stover; Masao Akei; Michael M. Perevozchikov
A compressor may include first and second scroll members and first and second pistons. The first scroll member includes a first end plate and a first scroll wrap. The second scroll member includes a second end plate and a second scroll wrap that is intermeshed with the first scroll wrap to define moving fluid pockets. The second end plate may include a first and second passages, first and second recesses, and first and second ports extending through the second end plate and communicating with at least one of the pockets. The first piston may be disposed in the first recess and movable between first and second positions controlling communication between the first passage and the first port. The second piston may be disposed in the second recess and movable between first and second positions controlling communication between at least one of the pockets and said second passage.
179 Compressor having piston assembly US12788786 2010-05-27 US08568118B2 2013-10-29 Robert C. Stover; Masao Akei; Michael M. Perevozchikov
A compressor includes orbiting and non-orbiting scrolls forming first and second fluid pockets therebetween. First and second ports are disposed in the non-orbiting scroll and radially spaced apart from each other. The first port communicates with the first pocket at a first radial position and the second port communicates with the second pocket at a second radial position. A blocking device is movable between a first position preventing communication between the ports and a fluid source and a second position allowing communication between the ports and the fluid source. The first and second pockets have first and second pressures, respectively. One of the pressures may have a disproportionate pressure change compared to the other of the pressures after at least one of the pockets communicates with the fluid source through at least one of the ports. The disproportionate pressure change biases the orbiting scroll relative to the non-orbiting scroll.
180 COMPRESSOR SYSTEM INCLUDING A FLOW AND TEMPERATURE CONTROL DEVICE US13580291 2010-10-28 US20130058799A1 2013-03-07 Paul A. Scarpinato; Sudhir Sreedharan; James D. Mehaffey; Paul A. Kirkpatrick
A thermal control valve for use in a lubricant flooded compressor system including a controller that generates a control signal includes a valve body including a hot coolant inlet, a cooled coolant inlet, a mixed coolant outlet, an actuator space, and a cylinder bore. A sleeve is positioned within the cylinder bore and is movable between a first position, a second position, and a third position, and an electrical actuator is at least partially disposed within the actuator space and is operable in response to the control signal to move the sleeve between the first position, the second position, and the third position.
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