Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
07/2002
07/03/2002EP1219836A2 Compressor with outlet pressure control
07/03/2002CN1356475A Cyclone compressor
07/03/2002CN1087060C Rolling rotor compressor with servo ring hinged blades
07/02/2002US6413061 Rotary compressor and method of manufacturing the same
07/02/2002US6413058 Variable capacity modulation for scroll compressor
07/02/2002US6412293 Scroll machine with continuous capacity modulation
06/2002
06/27/2002US20020081226 Thrust load reliever
06/27/2002US20020081224 Scroll-type compressor
06/27/2002US20020081220 Actuator capable of revolving
06/27/2002US20020081213 Screw compressor
06/27/2002US20020081150 Screw compressor
06/27/2002DE10152633A1 Schneckenkompressor Screw compressor
06/27/2002DE10147372A1 Scrollkompressor mit integriertem Motor und kompaktem Kühlsystem Scroll compressor with integrated motor and compact cooling system
06/26/2002EP1217216A2 Compressor lubrication control
06/26/2002EP1217215A2 Gas compressor
06/26/2002EP1217213A2 Scroll-type compressor
06/26/2002EP1216358A1 Scroll-type compressor or vacuum pump
06/26/2002CN1086778C Eddy gas compressor with by-pass valve
06/25/2002US6409490 Rotary screw compressor with slide valve and slide stop guidance bushings
06/25/2002US6409489 Compressor installation with water-injected compressor element
06/25/2002US6409488 Rotary compressor
06/25/2002US6408645 Air-conditioner, outdoor unit and refrigeration unit
06/25/2002US6408635 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
06/25/2002CA2249852C Scroll-type fluid machine including float-protecting pin having partially-cut head
06/20/2002US20020076333 Heater material
06/20/2002US20020076332 Fail safe electronic pressure switch for compressor motor
06/20/2002DE10159370A1 Spiralkompressor Scroll compressor
06/19/2002EP1215450A1 Multi-stage compression refrigerating device
06/19/2002EP1215449A1 Multi-stage compression refrigerating device
06/19/2002CN1354326A Vortex compressor
06/19/2002CN1086448C Enhanced rotary compressor valve port entrance
06/18/2002US6406279 Displacement type fluid machine
06/18/2002US6406266 Motor protector on non-orbiting scroll
06/18/2002US6406265 Compressor diagnostic and recording system
06/13/2002WO2002046044A1 Device for emptying a food storage container which can be sealed by means of a valve
06/13/2002US20020071780 Scroll compressor
06/13/2002US20020071779 Scroll-type compressor with an integrated motor and a compact cooling system
06/13/2002US20020071778 Scroll-Type Compressors
06/13/2002US20020071773 Multi-stage capacity-controlled scroll compressor
06/13/2002US20020071769 Screw compressor system and operating method thereof
06/13/2002CA2431227A1 Device for emptying a food storage container which can be sealed by means of a valve
06/12/2002EP1212573A1 Prevention of oil backflow from a screw compressor in a refrigeration chiller
06/12/2002CN1353796A Apparatus for preventing vacuum compression of scroll compressor
06/12/2002CN1353795A Small-sized compressor
06/12/2002CN1353249A Compressor possessing oil mist separator
06/12/2002CN1353247A Vortex Compressor
06/11/2002US6404532 Electrochromic system
06/11/2002US6402485 Compressor
06/06/2002US20020068002 Fluid displacement pump with backpressure stop
06/06/2002DE19549507C2 Einrichtung zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine eines Kraftfahrzeuges Means for feeding fuel from a storage tank to an internal combustion engine of a motor vehicle
06/06/2002DE10146554A1 Scrollkompressor mit integriertem Elektromotor Scroll compressor with integrated electric motor
06/05/2002EP1017927A4 Generalized minimum diameter scroll component
06/05/2002CN1086019C Reversible rotary compressor
06/04/2002US6398532 Single screw compressor
06/04/2002US6398520 Discharge muffler of a hermetic rotary compressor
06/04/2002US6398507 Overheat protection device for scroll compressor
05/2002
05/30/2002US20020064695 Drive system and method for the operation of a fuel cell system
05/30/2002US20020064605 Method of coating a substrate and vane for vane-type compressor
05/30/2002US20020064474 Scroll compressors
05/30/2002US20020064473 Scroll compressor with anti-reverse rotation clutch
05/30/2002US20020062656 Compressors
05/30/2002US20020062560 Apparatus and method for aligning scroll compressor
05/29/2002EP1209362A2 Hermetic compressors
05/29/2002EP1209361A1 Internal intermediate pressure 2-stage compression type rotary compressor
05/29/2002EP1209357A1 Closed motor-driven compressor
05/29/2002DE10056168A1 Rotor for a Roots or screw compressor comprises a shaft cast in one piece with the wings which have a wall reinforced on the inner side with ribs
05/29/2002CN1351230A Rotary-drum air compressor
05/29/2002CN1351229A Coolant compressor, air conditioner therewith, and refrigerator and parts thereof
05/29/2002CN1085823C Refrigerating apparatus and lubricating oil composition
05/29/2002CN1085790C Gear pump for use in electrically-operated sealed compressor
05/29/2002CN1085789C Compressor assembly with staked shell
05/29/2002CN1085788C Translational multipurpose liquid pump
05/28/2002US6394776 Double rotor-vane pump
05/28/2002US6393852 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
05/23/2002US20020061256 Fluid mover
05/23/2002DE10147324A1 Vacuum pump for vehicle brake amplifying servomechanism comprises pumping part driven by rotor shaft and lubricant supply channel which discharges into annular groove in shaft bearing surface wall
05/22/2002EP1207306A2 Screw compressor
05/22/2002EP1207305A2 Scroll compressor
05/22/2002CN1350121A 涡卷压缩机 Scroll compressor
05/22/2002CN1085306C Capacity-controlled scroll-type compressor having internally-bypassing system
05/22/2002CN1085305C Scroll-type compressor with variable displacement mechanism
05/21/2002US6390792 Venting passage for isolation block of scroll compressor and check valve for the same
05/21/2002US6390052 Wobble engine
05/21/2002US6389837 Scroll compressor
05/16/2002WO2002038961A1 Rotor shaft sealing
05/16/2002WO2002038960A1 Scroll fluid machinery
05/16/2002US20020057979 Screw pumps
05/16/2002US20020057977 Compressor having a seal member for supporting a shaft during assembly
05/16/2002US20020057976 Scroll fluid machine
05/16/2002US20020057975 Scroll compressors
05/16/2002US20020057964 Screw-type dry vacuum pump
05/15/2002EP1205666A2 Screw-type dry vacuum pump
05/15/2002EP1205665A2 Scroll compressor
05/15/2002EP1204809A1 Rotary piston engine
05/15/2002CN2491628Y Spiral rotor of vacuum pump
05/15/2002CN1349593A Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine
05/15/2002CN1349053A Double volume ratio whiral machinery
05/14/2002US6386848 Screw rotors and screw machine
05/14/2002US6386840 Oil return for reduced height scroll compressor
05/14/2002US6385995 Apparatus having a refrigeration circuit