Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516)
09/2002
09/04/2002CN1090294C Vortex compressor
08/2002
08/29/2002US20020119063 Scroll compressor
08/28/2002CA2367201A1 Scroll compressor
08/27/2002US6438974 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
08/22/2002US20020114719 Scrawl compressor
08/21/2002CN1089411C Closed compressor
08/15/2002WO2002063171A1 Scroll compressor
08/14/2002DE10203867A1 Spiralverdichter und Verfahren zum Steuern seines Gegendrucks A scroll compressor and method for controlling its back-pressure
08/14/2002DE10164251A1 Spiralverdichter Scroll compressor
08/08/2002WO2002061285A1 Scroll compressor
08/08/2002WO2002061283A2 Scroll vacuum pump with improved performance
08/08/2002US20020106294 Scroll-type compressor for a fuel cell with an obstruction member around a drive shaft
08/06/2002US6428295 Scroll compressor for introducing high-pressure fluid to thrust-face side so as to decrease thrust load imposed on revolving scroll
08/01/2002US20020102174 Scroll compressor
08/01/2002US20020102172 Scroll compressor and method for controlling back pressure for the same
07/2002
07/31/2002EP1227246A2 Shaft seal structure for vacuum pump
07/31/2002EP1227245A2 Scroll type compressor
07/25/2002US20020098102 Scroll type compressor
07/25/2002US20020098101 Scroll type compressor
07/25/2002US20020096838 Shaft seal structure for vacuum pump
07/16/2002US6419457 Dual volume-ratio scroll machine
07/11/2002WO2002016773A8 Pressure seal for a vacuum pump
07/11/2002DE10065821A1 Kompressor Compressor
07/09/2002US6416302 Rotary helical screw-type compressor having a thermally separated oil supply container
07/09/2002US6416301 Scroll compressor with axially floating non-orbiting scroll and no separator plate
07/04/2002WO2002052205A2 Compressor
07/04/2002US20020085939 Scroll compressor with unique mounting of non-orbiting scroll
07/04/2002US20020085938 Scroll-type compressor
07/04/2002US20020085937 Scroll type compressor and method of making the same
06/2002
06/27/2002US20020081226 Thrust load reliever
06/25/2002US6408635 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
06/20/2002DE10159370A1 Spiralkompressor Scroll compressor
06/18/2002US6406279 Displacement type fluid machine
06/13/2002US20020071778 Scroll-Type Compressors
06/12/2002CN1353247A Vortex Compressor
05/2002
05/30/2002US20020064474 Scroll compressors
05/29/2002CN1085788C Translational multipurpose liquid pump
05/28/2002US6393852 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
05/22/2002EP1207305A2 Scroll compressor
05/21/2002US6390052 Wobble engine
05/21/2002US6389837 Scroll compressor
05/16/2002WO2002038961A1 Rotor shaft sealing
05/16/2002US20020057977 Compressor having a seal member for supporting a shaft during assembly
05/16/2002US20020057976 Scroll fluid machine
05/15/2002EP1205665A2 Scroll compressor
05/15/2002CN1349053A Double volume ratio whiral machinery
05/09/2002US20020054821 Scroll compressor
05/08/2002CN1084441C Vortex compressor with backpressure cavity sealing device
05/02/2002DE10147339A1 Spiralverdichter und Gasverdichtungsverfahren Scroll compressor and gas compression method
04/2002
04/30/2002CA2252477C Multiple pressure axial bias means for a scroll compressor
04/25/2002WO2002033238A1 Fluid power transfer device
04/25/2002US20020048523 Rotary helical screw-type compressor
04/25/2002CA2426179A1 Fluid power transfer device
04/24/2002EP1199474A2 Scroll compressor
04/24/2002EP1199473A2 Scroll fluid machine
04/18/2002US20020044876 Screw compressor
04/18/2002US20020043238 Wobble engine
04/10/2002EP1195526A1 2-cylinder, 2-stage compression type rotary compressor
04/10/2002EP1195525A2 Scroll compressor
04/09/2002US6368088 Scroll compressor with back pressure regulation mechanism
04/04/2002US20020039541 Scroll compressor for introducing high-pressure fluid to thrust-face sude so as to decrease thrust load imposed on revolving scroll
04/04/2002US20020039540 Scroll type compressor and method for compressing gas
04/04/2002US20020039539 Scroll compressors
04/03/2002EP1193835A2 Scroll compressors
03/2002
03/27/2002CN1342247A 涡卷型压缩机 Scroll compressor
03/20/2002EP1188927A2 Scroll compressors
03/13/2002CN1080835C 涡旋压缩机 Scroll Compressor
03/07/2002DE10040020A1 Schraubenverdichter Screw compressor
03/06/2002CN1339088A 涡卷式压缩机 Scroll compressor
02/2002
02/28/2002WO2002016773A1 Pressure seal for a vacuum pump
02/28/2002WO2002016740A1 Labyrinth helical seal
02/27/2002CN1079912C Turbine type compressor
02/21/2002WO2002014694A1 Screw-type compressor
02/21/2002US20020020186 Scroll compressor
02/20/2002CN1336986A 螺旋压缩机 Screw compressors
02/20/2002CN1079503C Ring liquid compression engine
02/20/2002CN1079500C Scroll gas compressor
02/19/2002CA2167424C Emission seal
02/13/2002CN1335915A Scroll-type fluid displacement device for vacuum pump application
02/12/2002US6345966 Scroll compressor with dampening bushing
01/2002
01/31/2002US20020012596 Scroll compressor with axially floating non-orbiting scroll and no separator plate
01/30/2002CN1333433A Turbine compressor
01/16/2002EP1172562A2 Scroll compressor
01/15/2002CA2046548C Scroll machine with floating seal
01/11/2002CA2353045A1 Scroll compressor
01/02/2002CN1077243C Axial sealing apparatus for scroll type compressor
01/01/2002US6334764 Scroll compressor for introducing high-pressure fluid to thrust-face side so as to decrease thrust load imposed on revolving scroll
12/2001
12/27/2001WO2001098661A1 Scrawl compressor
12/19/2001EP1163452A1 Rotary helical screw-type compressor
12/13/2001WO2001094859A1 System for controlling starting of air conditioner and control method thereof
12/13/2001WO2001094857A1 Control system for starting of air conditioner and control method thereof
12/13/2001WO2001094855A1 Control system of degree of superheat of air conditioner and control method thereof
12/13/2001WO2001094793A1 Axial seal
12/13/2001US20010049942 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
12/13/2001DE10122066A1 Schmierungsstruktur in einem spiralartigen Kompressor Lubrication structure in a spiral compressor
12/06/2001US20010048886 Seal structure in a scroll type compressor
12/06/2001US20010048885 Lubrication structure in a scroll type compressor
12/06/2001DE10125357A1 Abdichtaufbau in einem Spiralkompressor Sealing structure in a scroll compressor
12/05/2001EP1160456A2 Scroll compressor
12/05/2001EP1160453A1 Scroll type compressor
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