Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 18 - Rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
10/1995
10/31/1995US5462419 Pressure biased co-rotational scroll apparatus with enhanced lubrication
10/31/1995US5462418 Scroll type compressor equipped with mechanism for receiving reaction force of compressed gas
10/25/1995EP0678673A1 Rotating scroll compressor
10/24/1995US5460495 Screw rotor for fluid handling devices
10/24/1995US5460494 Orbiting scroll actuating means of a scroll-type compressor
10/23/1995EP0746685A4 Scroll compressor drive having a brake
10/19/1995DE19513945A1 Spiral compressor e.g. for vehicle
10/17/1995US5458472 Scroll type compressor having thrust regulation on the eccentric shaft
10/17/1995US5458471 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism
10/12/1995WO1995027143A1 Scroll compressor
10/11/1995CN1109948A Scroll machine having discharge port inserts
10/10/1995US5456584 Scroll type compressor with refrigerant gas passage in balance weight
10/04/1995EP0674751A1 Rotary screw compressor with shaft seal.
10/04/1995CN1109692A 旋转压缩机 Rotary compressor
10/03/1995US5454701 Screw compressor with rotors having hyper profile
10/03/1995US5454700 Bearing support for a lysholm compressor
09/1995
09/27/1995EP0423248B1 Rotary screw compressor with oil drainage
09/27/1995CN2208625Y Eccentric rotator type compressor
09/27/1995CN1109143A An oil supplying apparatus for a horizontal type rotary compressor
09/26/1995US5452995 Scroll type refrigerant compressor with means for preventing uncontrolled movement of a drive bushing
09/20/1995CN2208111Y Ring positive displacement pump
09/19/1995US5451148 Check valve device for scroll compressor
09/14/1995WO1995024561A1 Scroll compressor capable of effectively cooling a motor
09/14/1995DE19507975A1 Vane cell compressor
09/14/1995CA2162483A1 Scroll compressor capable of effectively cooling motor thereof
09/13/1995EP0671806A1 Method of and apparatus for assembling an electric motor capable of using a motor housing having low dimensional precision
09/13/1995CN1108358A Scroll machine with reverse rotation protection
09/12/1995US5449279 Pressure biased co-rotational scroll apparatus with enhanced lubrication
09/12/1995US5449276 Two stage vacuum pump having different diameter interengaging rotors
09/06/1995CN1107945A Closed vortex compressor and method for assembling same
09/06/1995CN1107944A Scroll compressor
09/05/1995US5447420 Scroll compressor with liquid injection
09/05/1995US5447419 Scroll-type compressor having clearances during reverse rotation and improper assembly prevention
09/05/1995US5447418 Scroll-type fluid machine having a sealed back pressure chamber
08/1995
08/31/1995WO1995023290A1 Rotary screw compressor with thrust balancing means utilizing different pressure levels and a method for operating such a compressor
08/31/1995DE19506532A1 Rotary machine for flow media e.g servo steering or pump
08/30/1995CN1107555A Scroll compressor oil circulation system
08/29/1995US5445507 Scroll type compressor having a spacer coupling the fixed scroll to the frames
08/29/1995US5445504 Sealed compressor with dust reservoir
08/29/1995US5445502 Vacuum pump having parallel kinetic pump inlet section
08/23/1995EP0668433A1 Lightweight scroll element and method of making
08/23/1995CN1107207A Package-type screw compressor
08/22/1995US5443644 Gas exhaust system and pump cleaning system for a semiconductor manufacturing apparatus
08/22/1995US5443376 Lubricating device for horizontal type rotary compressor
08/22/1995US5443374 Motor driven fluid compressor
08/22/1995CA2052784C Co-rotational scroll apparatus with optimized coupling
08/16/1995EP0630441A4 Screw compressor providing thrust bearing force compensation.
08/16/1995CN1106895A Vortex compressor and assembly of same
08/10/1995WO1995021359A1 Refrigeration system and a method for regulating the refrigeration capacity of such a system
08/10/1995WO1995021329A1 Improved oil free scroll vacuum pump
08/10/1995DE4403649A1 Screw compressor
08/10/1995DE4403648A1 Screw compressor
08/10/1995DE4403647A1 Screw compressor
08/09/1995EP0666422A1 Bearings and drive connection for the rotors of a screw compressor
08/09/1995EP0665921A1 Scroll apparatus with reduced inlet pressure drop
08/09/1995EP0633980A4 Scroll machine with overheating protection.
08/09/1995CN1106505A Vortex compressor
08/09/1995CN1106504A Speed detector of scroll-type fluid machine
08/08/1995US5439712 Method for making a composite aluminum article
08/08/1995US5439360 Self-adjusting crankshaft drive
08/03/1995WO1995020719A1 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism
08/02/1995EP0635094A4 Scroll machine.
08/02/1995EP0480065B1 Scroll compressor
08/02/1995CN1106195A Filling, fluid-transporting and pumping device
08/02/1995CN1106110A Rotative vacuum pump
07/1995
07/26/1995EP0664396A1 Scroll type compressor
07/26/1995CN2204007Y Teeth type blower (compressor)
07/25/1995US5435707 Scroll-type compressor with an elastically deformable top plate or end plate
07/25/1995US5435706 Orbiting member fluid displacement apparatus with rotation preventing mechanism
07/25/1995US5435704 Capacity and volume ratio control valve assembly
07/19/1995EP0663045A1 Method of operating a claw-type vacuum pump, and a claw-type vacuum pump suitable for carrying out the method.
07/19/1995CN1105424A Rotative vacuum pump
07/19/1995CN1105423A Compressor assembly with staked shell
07/18/1995US5433589 Scroll-type compressor having decreased eccentricity upon reverse rotation
07/18/1995US5433262 Method for manufacturing casting and apparatus for manufacturing a casting
07/18/1995CA2062913C Scroll type compressor
07/13/1995WO1995018945A1 Cooling and sealing rotary screw compressors
07/12/1995CN2203367Y Balanced slide compressor
07/11/1995US5431550 Hermetic motor driven scroll apparatus having improved lubricating mechanism
07/11/1995CA2075264C Fluid pump and rotary machine having said fluid pump
07/06/1995WO1995018310A1 Oscillating type rotary compressor
07/06/1995WO1995018309A1 Rotary compressor______________________________________________
07/05/1995EP0661457A1 Thermostatic compressor suction inlet duct valve
07/05/1995EP0661456A1 Parallel external axis rotary piston machine
06/1995
06/29/1995DE4446350A1 Spiral compressor with pressure die cast components
06/28/1995EP0659259A1 Portable self-contained power and cooling system
06/28/1995CN2202204Y Double-stage rotary vane vacuum pump
06/27/1995US5427513 Scroll type compressor having a displaced discharge port
06/27/1995US5427511 Scroll compressor having a partition defining a discharge chamber
06/27/1995US5427510 Scroll type compressor having eccentric inclined driving means
06/21/1995CN1103943A Refrigerating cycle machine
06/21/1995CN1103932A Scroll-type fluid machine
06/20/1995US5425626 Scroll type fluid machine with an involute spiral based on a circle having a varying radius
06/20/1995CA2062298C Scroll type compressor
06/15/1995WO1995016136A1 Swinging rotary compressor
06/15/1995WO1995016135A1 Swinging rotary compressor
06/14/1995EP0657650A1 Scroll compressor oil circulation system
06/14/1995CN1028892C Pressure ratio responsive unloader
06/13/1995US5423664 Iron-base alloy for rotary type compressors
06/13/1995US5423663 Orbiting member fluid displacement apparatus with rotation preventing mechanism
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