Patents for F01C 1 - Rotary-piston machines or engines (9,235)
08/1998
08/20/1998DE19705460A1 Machine unit with rotary piston engine
08/18/1998US5795143 Positive displacement pump apparatus
08/18/1998US5794583 Side pressure type rotary engine
08/13/1998WO1998035136A1 Control of a lobed rotor machine
08/13/1998WO1998035134A1 Rotary device with means for monitoring and adjusting the clearance between the rotors
08/13/1998CA2280016A1 Rotary device with means for monitoring and adjusting the clearance between the rotors
08/13/1998CA2279328A1 Control of a lobed rotor machine
08/12/1998EP0736128B1 Downhole motor for a drilling apparatus
08/04/1998US5788470 Fluid machine having two spiral working mechanisms with a stepped shape section
08/04/1998US5787856 Rotary engine
07/1998
07/28/1998US5785509 Wellbore motor system
07/22/1998EP0854293A1 Power-variable compressor and air conditioner using the same
07/09/1998WO1998029650A1 Olkhovenko brothers' rotary piston engine
07/09/1998WO1998029649A1 Method of reducing pollution emissions in a two-stroke sliding vane internal combustion engine
07/09/1998WO1998029648A1 Internal combustion engines utilizing variable compression complete unit charge air/fuel injection or transference
07/08/1998EP0851970A1 Rotary internal combustion engines
07/08/1998EP0776411B1 Rotary engine and method
07/07/1998US5775883 Rolling-piston expander apparatus
07/07/1998CA2072685C Motor driven fluid compressor within hermetic housing
07/02/1998DE19654849A1 Rotary piston engine, especially for motor vehicles
06/1998
06/30/1998US5772416 Scroll-type machine having lubricant passages
06/30/1998CA2194196A1 Internal combustion engines utilizing complete unit charge air/fuel injection
06/25/1998WO1998027340A1 A pair of co-operating screw rotors, a screw rotor and a rotary screw machine
06/23/1998US5769619 Tracked rotary positive displacement device
06/17/1998CN1184894A Scroll machine with reverse rotation protection
06/10/1998EP0846843A1 Scroll expander driven compressor assembly
06/03/1998EP0845597A1 Flexible drive shaft and drive shaft and rotor assembly
06/02/1998US5758617 Rotary engine
05/1998
05/28/1998WO1998022698A1 Rotary machine with two sets of working chambers
05/28/1998WO1998022697A1 The internal combustion wing engine
05/28/1998WO1998022696A1 A type of rotary piston machines
05/28/1998WO1998012419A3 Radial vane rotary internal combustion engine
05/27/1998EP0844398A1 Scroll machine with reverse rotation protection
05/27/1998CN1183132A Reversible converier of direction of movement and device for displacing volumes using said converter
05/26/1998US5755197 Rotary engine
05/26/1998US5755196 Rotary positive displacement engine
05/20/1998DE19645924A1 Rotary piston engine
05/19/1998US5752816 Scroll fluid displacement apparatus with improved sealing means
05/14/1998WO1998020259A2 Cascaded progressing cavity pump system
05/14/1998WO1998020244A2 Toroidal internal combustion engine
05/13/1998EP0840843A1 Method of reducing emissions in a sliding vane internal combustion engine
05/07/1998WO1998019047A1 Compact scroll fluid device
05/07/1998DE19746071A1 Rotary engine with synchronised meshing gears forming combustion space
05/06/1998EP0839258A1 Scroll decompression device for cryogenic temperatures
05/05/1998US5745992 Method of making a scroll-type machine
04/1998
04/30/1998WO1998017895A1 Scroll fluid displacement apparatus with improved sealing means
04/23/1998WO1998016744A1 A rotary machine
04/23/1998WO1998016743A1 A rotary machine
04/23/1998DE19643313A1 Rotary piston engine
04/22/1998EP0837219A1 Rotary piston engine
04/22/1998EP0836671A1 Vane motor with brake
04/22/1998EP0647293B1 Piston unloader arrangement for screw compressors
04/21/1998US5741120 Capacity modulated scroll machine
04/21/1998US5740765 Rotary piston internal combustion engine
04/16/1998DE19633278A1 Rotating machine used as pump or turbine
04/15/1998EP0835362A1 Rotary positive-displacement fluid machine
04/15/1998CN1178872A Volumetric liquid machinery
04/15/1998CN1178871A Volumetric liquid machinery
04/14/1998US5738497 Apparatus and method for controlling a rotary screw compressor
04/14/1998US5738065 Variable rotary engine
04/08/1998EP0834018A1 Multistage, screw-spindle compressor
04/08/1998EP0834001A1 Positive displacement machine comprising a rotary piston
04/07/1998US5735677 Scroll type fluid machine having recesses on the swivel scroll end plate
04/02/1998WO1998013583A1 Oscillating piston engine
04/02/1998WO1998013582A1 Rotary machine
03/1998
03/26/1998WO1998012419A2 Radial vane rotary internal combustion engine
03/26/1998DE19638258A1 Machine with roll piston
03/25/1998EP0830499A1 Rotary engine
03/25/1998EP0734486B1 Rotary engine
03/25/1998CN1177062A Turbine type compressor
03/18/1998EP0801709A4 Orbiting piston combustion engine
03/17/1998US5727518 Alternating piston rotary engine with unidirectional transmission devices
03/17/1998US5727517 Equivalence-boosted sliding vane internal combustion engine
03/12/1998WO1998010180A1 Protruding piston rotary engine
03/12/1998WO1998010173A1 Transmission unit for a rotary piston engine
03/12/1998WO1998010172A2 Vaned rotary engine with regenerative preheating
03/12/1998CA2236573A1 Vaned rotary engine with regenerative preheating
03/04/1998CN1037628C Two-angle rotor mechanism
03/03/1998US5722361 Internal combustion engine with pistons that rotate about a center line
02/1998
02/26/1998WO1998007964A1 Rotary piston system
02/26/1998WO1998007963A1 Rotary vane machine
02/24/1998US5720251 Rotary engine and method of operation
02/19/1998WO1998006933A1 Rotary piston machine
02/11/1998CN1172910A Fluid machinery
02/05/1998WO1998004809A1 A rotary positive-displacement machine
01/1998
01/29/1998DE19624618A1 Rotary piston engine
01/27/1998US5711268 Rotary vane engine
01/22/1998WO1998002641A1 Elliptic piston rotary engine
01/22/1998DE19628867A1 Rotary engine
01/22/1998DE19628785A1 Rotary piston engine
01/21/1998EP0819835A1 Reversible converter of direction of movement and device for displacing volumes using said converter
01/20/1998CA1339633C Scroll-type fluid displacement apparatus
01/15/1998WO1998001657A1 Rotary engine
01/15/1998DE19639503C1 Rotary piston engine
01/14/1998EP0818605A2 Rotary engine
01/14/1998EP0818604A2 Rotary machine
01/06/1998US5704332 Rotary engine
12/1997
12/31/1997WO1997049899A1 Internal combustion rotary engine with constant volume (daisy system)
12/31/1997CN1169126A Process for producing rotors for worm compressors
12/30/1997CA2088662C Multi-chamber rotary lobe fluid machine with positive sliding seals
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