Patents for F01C 1 - Rotary-piston machines or engines (9,235)
09/2000
09/14/2000DE10010566A1 Compressor with high precision valve unit for compression of gases has gas passage with valve seat element, and valve chamber with valve body and valve stop
09/14/2000CA2475114A1 Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine
09/14/2000CA2365353A1 Vane and piston type rotary machines
09/13/2000EP1034374A1 Rotary piston pump and method of operation
09/12/2000US6116875 Displacement machine for compressible media
09/12/2000US6116860 Scroll compressor
09/08/2000WO2000052306A1 Vane pumping machine utilizing invar-class alloys for maximizing operating performance and reducing pollution emissions
09/07/2000DE19908225A1 Gravity engine for rotary drive combines Coriolis force, mass inertia, and centrifugal force to act in addition to flow energy
09/06/2000EP1033474A1 Positive-displacement piston mechanism of rotary piston structure
09/06/2000CN2395033Y Inner circulation rotary piston IC engine
09/06/2000CN1265447A Multi-shaft rotor engine
09/05/2000US6113370 Rotary vane machine
09/05/2000CA2300039A1 Compressor having a valve mechanism of relatively high accuracy
08/2000
08/30/2000EP0901563A4 Fluid vane motor/pump
08/30/2000CN1055988C 涡旋式机械 Scroll machine
08/29/2000US6109040 Stirling cycle refrigerator or engine employing the rotary wankel mechanism
08/24/2000WO2000049275A1 Displacement machine based on the spiral principle
08/23/2000CN2392914Y Moving-sheet rotor type high-speed engine
08/23/2000CN1263979A Complex wheel-tooth type IC engine
08/22/2000US6106255 High efficiency rotary vane motor
08/22/2000US6106247 Scroll-type fluid displacement apparatus including an eccentric crank mechanism having an elongated shaft
08/22/2000CA2208873C Rotary device with slidable vane supports
08/16/2000CN2391988Y 旋转式单行程发动机 Rotary single stroke engine
08/16/2000CN1055517C Vane rotor engine
08/11/2000CA2261321A1 Sealed compression turbine engine
08/09/2000EP1026400A2 Gerotor motor
08/09/2000EP1025403A1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
08/09/2000EP1025341A1 Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism
08/09/2000CN1262720A Fluid pump
08/08/2000US6099279 Displacement fluid machine
08/08/2000US6098266 Method for the production of rotors for screw-type compressors
08/03/2000WO2000045032A1 Lever-mechanism motor or pump
07/2000
07/27/2000DE19901110A1 Schwenkkolbenmaschine Rotary-piston engine
07/26/2000EP1022446A1 Superexpansive rotary engine
07/25/2000US6093005 Scroll-type fluid displacement machine
07/20/2000WO2000042321A1 Hydraulic machine comprising dual gerotors
07/20/2000WO2000042290A1 Oscillating piston engine
07/20/2000WO1999025954A9 Positive-displacement piston mechanism of rotary piston structure
07/19/2000CN2388350Y High-pressure fluid engine
07/19/2000CN1260859A Rotary positive-displacement fluid machines
07/18/2000US6089839 Optimized location for scroll compressor economizer injection ports
07/13/2000DE19959417A1 Spiralkompressor Scroll compressor
07/12/2000EP1017927A1 Generalized minimum diameter scroll component
07/12/2000CN1259625A Scroll compressor
07/11/2000US6086347 Two-stage rotary vane motor
07/11/2000US6086346 Cooling system for a rotary vane pumping machine
07/11/2000US6086345 Two-piece balance plate for gerotor motor
07/11/2000US6086335 Capacity modulated scroll machine having one or more pin members movably disposed for restricting the radius of the orbiting scroll member
07/11/2000CA2148182C Rotary apparatus with gap-controlling features and related method
07/06/2000DE19920289C1 Rotary piston internal combustion engine has rotary piston oval in cross-section rotatably located in chamber in housing and having face-side end plates, with oval longitudinal bore corresponding to its cross-sectional contour
07/05/2000EP1016785A1 Eccentric sliding vane equilibrium rotor device and its applications
07/05/2000CN1258807A Internal combustion engine with rotating vanes
07/04/2000US6082985 Screw compressor
07/04/2000US6082324 Rotary internal combustion engine
06/2000
06/29/2000WO2000037784A1 Rotary engine having enhanced charged cooling and lubrication
06/28/2000EP1012444A1 Rotary positive-displacement fluid machines
06/27/2000US6079962 Composite aluminum alloy scroll machine components
06/27/2000US6079386 Rotary machine
06/22/2000WO2000036286A1 Rotary engine having enhanced charged cooling and lubrication
06/22/2000WO2000036278A2 Axial rotary engine
06/22/2000CA2355653A1 Rotary engine having enhanced charged cooling and lubrication
06/22/2000CA2354393A1 Axial rotary engine
06/21/2000EP1009914A1 Rotating piston machine
06/21/2000EP1009913A1 A vane type rotary engine
06/20/2000US6077061 Vane motor with brake
06/15/2000WO2000034661A1 Method for modifying the volume of working chambers in positive-displacement machines
06/15/2000WO2000034635A1 Rotary piston combustion engine
06/14/2000EP1008755A1 Screw machine
06/14/2000EP1007851A1 A pair of co-operating screw rotors, a screw rotor and a rotary screw machine
06/14/2000EP1007821A1 Rotary piston engine
06/14/2000CN1256365A Gap distribution for reducing leakage area
06/08/2000DE19953690A1 Fuel cell system has movable spirals of compressor and regenerator symmetrically coupled to opposite ends of motor shaft
06/07/2000EP0763162B1 Rotary positive displacement engine
06/07/2000CN1255580A Wheel-rotating engine and wheel-rotating pump
06/06/2000US6071101 Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism
06/06/2000US6071098 Rotary internal combustion engines
06/06/2000US6070565 Rotary internal combustion engine
06/06/2000US6070409 Engine for powering by water
06/02/2000WO2000032908A1 Reciprocating rotary piston system and pressure pump and internal combustion engine using the same
05/2000
05/31/2000EP1003974A4 Cascaded progressing cavity pump system
05/31/2000EP1003974A2 Cascaded progressing cavity pump system
05/31/2000EP0742869B1 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism
05/31/2000CN1255186A Plate-sliding type eccentric rotor balancing device and its application
05/30/2000US6068460 Two speed gerotor motor with pressurized recirculation
05/25/2000WO2000029720A1 Fluid energy transfer device
05/25/2000DE19955291A1 Fuel cell system with common spiral compressor, spiral generator has movable spirals in one piece with common base plate with spiral walls on opposite sides engaged with static spirals
05/25/2000DE19853104A1 Balanced rotor with eccentric slides for compressors, pumps etc., with eccentrically mounted rotor body with rotors in cylinder
05/25/2000DE19852743A1 Epicycloid and hypocycloid rotary piston engine, using sealing modules with cavities in place of thin-walled rollers
05/23/2000US6065948 Discharge check valve in a scroll compressor
05/23/2000US6065874 Linear bearing
05/23/2000US6065289 Fluid displacement apparatus and method
05/23/2000CA2182742C Rotary piston machine usable particularly as a thermal engine
05/18/2000WO2000028243A2 Seal for rotary fluid machinery
05/17/2000EP1000223A2 High efficiency rotary vane motor
05/17/2000CN1253240A Double speed motor with forced circulation
05/16/2000US6062188 Rotary piston type internal combustion engine
05/11/2000WO2000026507A1 Vane slot roller assembly for rotary vane pumping machine and method for installing same
05/10/2000EP0594849B1 Rotary piston internal combustion engine
05/04/2000WO2000025004A1 Twin helical rotors for installation in displacement machines for compressible media
05/04/2000DE19848708A1 Rotary compressed air drive device, having expansion chamber with energy input and venting boring and containing rotary piston
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