Patents for F01C 1 - Rotary-piston machines or engines (9,235)
12/1997
12/24/1997WO1997048885A1 A rotary internal combustion engine and rotary internal combustion engine cycle
12/18/1997DE19621051A1 Rotary piston engine
12/16/1997US5697773 Rotary fluid reaction device having hinged vanes
12/16/1997US5697772 Screw rotor and method of generating tooth profile therefor
12/10/1997CN2270117Y Rotary-piston machine
12/10/1997CN1167432A Disposable dental prophylaxis handpiece
12/03/1997EP0730703B1 Parallel adjustment assembly for a scroll compressor
12/02/1997US5692372 Aircraft compound cycle propulsion engine
11/1997
11/26/1997EP0808411A1 Rotary device with slidable vane supports
11/20/1997WO1997043518A1 Hydraulic vane pump with flexible band control
11/19/1997EP0807759A2 Scroll-type fluid machinery
11/18/1997CA2121207C Speed detector of scroll-type fluid machine
11/18/1997CA2058080C Composite stator construction for downhole drilling motors
11/13/1997WO1997042398A1 Rotary piston internal combustion engine
11/12/1997EP0805743A1 Process for producing rotors for worm compressors
11/12/1997CN1164618A Positive-displacement type fluid machine
11/11/1997US5685269 High speed rotary engine and ignition system
11/05/1997EP0804687A1 Liquid ring compressor/turbine and air conditioning systems utilizing the same
11/04/1997US5682793 Engaged rotor
10/1997
10/29/1997CN1163651A Fluid reaction device
10/29/1997CN1036290C Engagement type rotor
10/29/1997CN1036289C Power conversion machine of high efficient rotary piston
10/28/1997US5681157 Rotary combustion unit for rotary internal combustion engine
10/28/1997US5681156 Piston machine having a piston mounted on synchronously rotating crankshafts
10/22/1997EP0801709A1 Orbiting piston combustion engine
10/16/1997DE19614477A1 Rotary piston machine for converting pressure to torque and visa versa
10/14/1997US5676534 Serving as a control mechanism
10/09/1997WO1997037113A1 Rotary vane engine
10/09/1997WO1997037106A1 Rotary piston engine
10/09/1997DE19613262A1 Drehkolbenrundlaufmotor Rotary piston engine run-out
10/08/1997CN1036088C Multi-function variable vane pump and motor
10/07/1997US5674062 Hermetic compressor with heat shield
10/01/1997EP0797723A1 Satellite engine/machine
10/01/1997CN1160811A Vane rotor engine
09/1997
09/18/1997WO1997034078A1 Internal combustion rotary engine
09/16/1997US5667383 Disposable dental prophylaxis handpiece
09/12/1997WO1997033073A1 Continuously rotating engine
09/12/1997CA2248719A1 Continuously rotating engine
09/11/1997DE19608344A1 Rotary internal combustion engine
08/1997
08/27/1997EP0644981B1 Piston machine
08/27/1997CN1158152A Rotary piston type internal combustion engine
08/27/1997CA2170295A1 Flywheel piston engine
08/20/1997EP0790389A1 A rotary positive displacement fluid machine
07/1997
07/23/1997EP0785348A1 Rotary piston type internal combustion engine
07/22/1997US5649816 Hermetic compressor with heat shield
07/17/1997WO1997019255A3 Power engine - working machine with turbine rotor
07/16/1997EP0784147A1 Rotary piston machine
07/10/1997DE19600493A1 Sealing system for effective operation of rotary piston combustion engine
07/10/1997DE19600492A1 Rotary piston combustion engine
07/08/1997US5645027 Orbiting piston combustion engine
07/02/1997EP0781370A1 Internal combustion engine
06/1997
06/26/1997DE19547347C1 Rotary-piston internal-combustion engine
06/25/1997CN1152675A Rolling-wheel type expansion machine
06/25/1997CN1152673A Fluid machinery
06/24/1997US5640854 Scroll machine having liquid injection controlled by internal valve
06/12/1997DE19700034A1 Rotary piston machine with rotary pistons eccentric to cylinder e.g. for use as expansion motor in steam power plant
06/11/1997EP0777817A2 Fluid reaction device
06/11/1997EP0777449A1 Disposable dental prophylaxis handpiece
06/10/1997US5636610 Multi-chamber rotary piston-engine
06/10/1997US5636523 Liquid ring compressor/turbine and air conditioning systems utilizing same
06/05/1997DE19624540A1 Rotary internal combustion engine
06/04/1997EP0776411A1 Rotary engine and method
06/04/1997EP0711379B1 Internal combustion engine with pistons that rotate around a centre line
05/1997
05/29/1997WO1997019255A2 Power engine - working machine with turbine rotor
05/28/1997EP0775814A1 Four cycle rotary engine
05/28/1997EP0746678A4 Alternating piston rotary engine with ratchets
05/28/1997DE19543572A1 Kraft- und Arbeitsmaschine mit Turbinenläufer Engine and machine with turbine rotor
05/21/1997EP0774057A1 Spherical piston radial action engine
05/13/1997CA2053285C Gearing system
05/09/1997WO1997016635A1 Karbovnich rotary internal combustion engine
05/07/1997CN1034830C Scroll type compressor
05/02/1997EP0742869A4 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism
04/1997
04/30/1997CN1034753C Rotary compressor with oil injection
04/22/1997US5622149 High-power rotary engine with varaiable compression ratio
04/22/1997US5622052 Double-flow hydrostatic radial piston engine with axial flow, thrust compensation, and shaft bearing
04/17/1997WO1997013957A1 Rotary piston engine
04/17/1997DE19538171A1 Rotary piston engine for motor vehicle
04/16/1997EP0767866A1 Non-contact vane-type fluid displacement machine with consolidated vane guide assembly
04/09/1997EP0766777A1 Non-contact rotary vane gas expanding apparatus
04/08/1997US5618165 Variable displacement and constant pressure pump
04/03/1997WO1997012133A1 Rotary engine and compressor
04/02/1997EP0774057A4 Spherical piston radial action engine
04/01/1997US5616019 Rolling piston type expansion machine
03/1997
03/27/1997WO1997011258A1 Rotary internal combustion engines
03/27/1997CA2235271A1 Rotary internal combustion engines
03/26/1997EP0722533B1 Rotary univane gas compressor
03/26/1997CN2250425Y Rotary rotor mechanism
03/21/1997CA2185315A1 Rotary motor or engine having a rotational gate valve
03/20/1997WO1997010419A1 Internal combustion rotary engine with variable compression ratio
03/19/1997EP0763162A1 Rotary positive displacement engine
03/05/1997EP0746672A4 Positive displacement pump apparatus
03/04/1997US5607288 Scroll machine with reverse rotation protection
02/1997
02/27/1997DE19531314A1 rotating piston machine with adjacent pistons
02/26/1997CN1143994A Spherical piston radial action engine
02/20/1997DE19537674C1 Rotary piston machine with disc-shaped main rotor
02/20/1997DE19517879A1 Rotary piston engine with combustion chamber between expander and compressor
02/19/1997CN1143152A Phase difference elliptic stator motor
02/19/1997CN1143151A Baffle-plate misplacement elliptical stator motor
02/19/1997CN1143150A Phase difference elliptical rotor motor
02/06/1997WO1997004224A1 Method of reducing emissions in a sliding vane internal combustion engine
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