Patents for F01C 1 - Rotary-piston machines or engines (9,235)
05/2002
05/30/2002WO2002041682A2 Rotor motor and rotor pump
05/29/2002EP1209319A1 Reciprocating vane type rotary internal combustion engine
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
05/28/2002US6394778 Vane restraint mechanism for axial-vane rotary device
05/28/2002US6393852 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
05/23/2002US20020059921 Throttle loss recovery turbine and supercharger
05/23/2002US20020059913 Rotary piston engine and method of operation
05/23/2002DE10104642C1 Rotary piston engine, for vehicle, has rotary slide valve in casing formed from inner and outer casing rings with cover
05/23/2002DE10057706A1 Compensation sealing
05/21/2002US6390794 Rotary piston assembly
05/16/2002WO2002038918A1 Rotary piston engine
05/16/2002WO2002038917A1 Rotary piston internal combustion engine
05/16/2002US20020057976 Scroll fluid machine
05/15/2002EP1204810A1 A system of two or more rotors with at least one piston on each moving in the same direction at varying and alternatively opposite velocities to each other inside a cylindrical chamber, either independent or formed by the rotors themselves
05/15/2002EP1204809A1 Rotary piston engine
05/15/2002EP1000223A4 High efficiency rotary vane motor
05/15/2002CN2491605Y Piston return engine
05/15/2002CN1349593A Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine
05/15/2002CN1349038A Instantaneously variable capacitance angular-difference type rotor engine
05/10/2002WO2002036945A1 Internal combustion engine
05/10/2002WO2002036939A1 A displacement apparatus and a rotor for such an apparatus
05/02/2002DE10058738A1 Rotary piston engine driven by hydrogen and oxygen has hermetically sealed combustion chamber sealed against leakage by sealing strips installed on roll surfaces and on end faces of pistons
04/2002
04/25/2002WO2002033222A1 Rotary drive mechanism
04/24/2002EP1199473A2 Scroll fluid machine
04/18/2002WO2002031330A1 Toroidal internal combustion engine and method for its thermo-stabilization
04/18/2002DE10051322A1 Combustion engine formed as a straight-type engine in variable sizes and performance variants to replace a four-cylinder four-stroke engine comprises a combustion chamber sealed by an upper pressure piston shaft
04/17/2002EP1197634A1 Rotary cylinder device
04/17/2002EP0777449A4 Disposable dental prophylaxis handpiece
04/16/2002US6371743 Rotary internal combustion engines
04/11/2002WO2002029223A1 Arrangement related to an internal combustion engine
04/10/2002CN1082626C Dry screw fluid machine
04/09/2002US6368089 Orbiting blade rotary machine
04/04/2002WO2002027144A2 Improved rotary piston engine and method of operation
04/03/2002CN1082147C Volumetric liquid machinery
04/02/2002US6364642 Rotary piston machine with three-blade rotors
03/2002
03/28/2002WO2002025063A1 Coaxial rotary engine
03/28/2002WO2001061151B1 Equipment with mutually interacting spiral teeth
03/27/2002CN2483507Y Air-valve compression type rotary piston engine
03/27/2002CN1342243A Positive-displacement piston mechanism of rotary piston structure
03/27/2002CN1081723C Reversible converier of direction of movement and device for displacing volumes using said converter
03/26/2002US6361890 Fuel cell system having scroll type compressor and regenerator
03/21/2002DE10018242C1 Internal axis rotary piston engine; has crescent wing, inner rotor with rotation axis and solid circular bodies with central axes and outer rotor with rotation axle having slit-shaped pockets
03/20/2002CN1341192A Internal combustion rotary turbomotor
03/19/2002US6357397 Axially controlled rotary energy converters for engines and pumps
03/14/2002US20020029756 Oscillating-piston engine
03/13/2002EP1185763A1 An enhanced method of closed vessel combustion
03/13/2002CN1339651A Rotor engine
03/12/2002US6354262 Rotary engine and compressor
03/07/2002US20020028151 Planetary rotary machine using apertures, volutes and continuous carbon fiber reinforced peek seals
03/06/2002CN1080390C 流体机械 Fluid Machinery
03/05/2002US6352420 Complex teeth-type gas compressor
02/2002
02/28/2002WO2002016738A1 Rotary piston engine
02/27/2002CN1079915C Scroll machine with reverse rotation protection
02/27/2002CN1079912C Turbine type compressor
02/26/2002US6349696 Rotary piston internal combustion engine
02/26/2002US6349695 Articulated vane rotary internal combustion machine
02/21/2002WO2001077497B1 Air motor
02/21/2002US20020021977 Driven equipment for fluid machinery
02/21/2002US20020020171 Rotary machine
02/20/2002CN1336979A Lever-mechanism motor or pump
02/20/2002CN1336480A Engine with two pistons rotating in opposite direction
02/19/2002US6347611 Rotary engine with a plurality of stationary adjacent combustion chambers
02/07/2002WO2002010588A1 Hot wall combustion insert for a rotary vane pumping machine
02/07/2002US20020015651 Rotary piston engine
02/07/2002US20020014218 Multiple cylinder rotary motor and method of operation
02/07/2002US20020014069 Quasi-Isothermal brayton cycle engine
02/06/2002CN1078926C Rolling-wheel type expansion machine
01/2002
01/31/2002DE10034238A1 Hydrotransformator Hydro transformer
01/30/2002EP1176297A1 Internal combustion rotary turbomotor
01/30/2002CN2474724Y Rotary piston type engine
01/30/2002CN1333416A 单转子内燃机 Single rotor internal combustion engine
01/29/2002US6341590 Rotary engine
01/24/2002WO2002006669A1 Hydraulic transformer
01/24/2002WO2002006650A1 Rotary engine with plurality of stationary adjacent combustion chambers
01/24/2002WO2001065086A8 Internal combustion rotary turbomotor
01/24/2002US20020007815 O-ring type rotary engine
01/23/2002CN1332311A Rotating piston engine
01/17/2002WO2002004814A2 Rotary positive displacement machine
01/17/2002WO2002004787A2 Improvements in rotary positive displacement machines
01/16/2002CN1331379A Rolling-rotor engine with unequal volume ratio
01/15/2002US6338912 Fuel cell system having common scroll type compressor and regenerator
01/10/2002WO2002002949A1 Screw machine
01/08/2002US6336317 Quasi-isothermal Brayton cycle engine
01/02/2002EP1165938A1 Helical rotor structures for fluid displacement apparatus
01/02/2002CN2469183Y Rotary type engine
01/02/2002CN1329695A Axial rotary engine
01/02/2002CN1077242C 流体机械 Fluid Machinery
12/2001
12/25/2001US6332764 Displacement type fluid machine having an orbiting displacer forming a plurality of spaces and method for manufacturing same
12/25/2001US6332763 Displacement type fluid machine having an orbiting displacer forming a plurality of spaces
12/25/2001US6332271 Method for making rotors
12/20/2001WO2001096720A1 Linkage rotary machine
12/19/2001CN2466353Y Rotary vane IC engine
12/19/2001CN2466352Y Compound gear tooth internal combustion engine
12/13/2001WO2001094792A1 Multi-scroll pump
12/13/2001US20010049942 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
12/12/2001CN2464939Y Engine
12/12/2001CN1326044A Engine with cylindrical rotor
12/05/2001CN1075866C Supporting type wobble wheel fluid engine
12/04/2001US6325603 Charged cooled rotary engine
11/2001
11/29/2001WO2001090536A1 Poly-induction energy turbine without back draught
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