Patents for F01C 1 - Rotary-piston machines or engines (9,235)
06/1993
06/15/1993US5219499 Method for manufacturing screw rotors
06/15/1993US5219281 Fluid compressor with liquid separating baffle overlying the inlet port
06/09/1993EP0545190A1 Scroll-type fluid displacement machine
06/09/1993EP0545188A1 Scroll type fluid displacement machine
06/09/1993EP0411000B1 A method for manufacturing screw rotors
06/09/1993DE4140316A1 Rotary piston engine - has rotating piston with single lobe profile and valves with sliders at pre and post ignition stages
06/02/1993EP0544025A1 Rotary piston engine for compressible and non-compressible medium
06/02/1993EP0543809A1 Guided vanes hydraulic power system
06/01/1993US5215501 Hysteresis magnet coupling for roots type pumps
05/1993
05/27/1993WO1993010332A1 Multichamber turbo engine
05/26/1993EP0542759A1 A multi-chamber rotary lobe fluid machine with positive sliding seals
05/26/1993EP0435878B1 Planetary piston internal combustion engine
05/19/1993CN2133674Y Pneumatic engine
05/07/1993CA2055070A1 Reciprocating rotating vane pump or engine
05/05/1993CN1071731A Inclined ball axle capacity changing machine
05/05/1993CN1020497C Scroll type fluid machinery
05/04/1993US5207568 Rotary screw compressor and method for providing thrust bearing force compensation
04/1993
04/29/1993WO1993008389A1 Rotary-piston internal combustion engine
04/29/1993WO1993008388A1 Rotary internal combustion engine
04/29/1993WO1993008387A1 Piston engine
04/29/1993WO1993008374A1 Wing motor
04/28/1993EP0539273A1 Volumetric machine with planetary movement and hypertrocoidal geometry
04/28/1993EP0538449A1 Revolting-rotating vane meter-motor-pump
04/21/1993EP0538179A1 High to low side bypass to prevent reverse rotation
04/21/1993EP0419531B1 Rotary positive displacement compressor and refrigeration plant
04/20/1993US5203858 Alternating velocity rotary engine employing a gear control mechanism
04/20/1993US5203686 Rotary compressor with span type discharge valve
04/20/1993US5203685 Piston unloader arrangement for screw compressors
04/20/1993US5203684 Oscillating piston pump or similar machine
04/20/1993US5203297 Rotary engine
04/20/1993US5203287 Oscillating piston engine
04/14/1993EP0536267A1 Adjustable rotor for a radial piston fluid machine
04/07/1993EP0535533A1 Screw vacuum pump
04/06/1993US5199862 Scroll type fluid machinery with counter weight on drive bushing
04/06/1993US5199391 Toroidal internal combustion engine
03/1993
03/30/1993US5197868 Scroll-type machine having a lubricated drive bushing
03/23/1993US5195881 Screw-type compressor/expander with valves at each axial end of rotors
03/18/1993WO1993005290A1 Internal combustion engine having opposed pistons
03/18/1993WO1993004811A1 Rotor for a screw rotor machine
03/10/1993EP0530771A1 Rotary engine
03/10/1993EP0530222A1 Rotor for a rotary screw machine, a rotary screw machine and a process for manufacturing a rotor.
03/09/1993US5192201 Rotary engine and drive coupling
03/04/1993DE4129201A1 Rotary piston IC engine - uses round disc with piston segment inside closely matched housing
03/03/1993EP0529660A1 Two-stage scroll compressor
02/1993
02/25/1993DE4203091C1 Rotary piston I.C. engine of trochoidal design - has injection nozzle in front of axis-near zone of casing jacket track, seen in piston rotary sense, and spark plug beyond this zone
02/24/1993EP0528747A1 Rotary internal combustion engine
02/18/1993DE4213369A1 Heat power machine with external combustion - uses rotating compressor in each of two hollow cylindrical sections fillable with gaseous medium
02/10/1993CN1068875A Rotary triangle piston compressing technique
01/1993
01/26/1993US5181490 Rotary engine
01/21/1993WO1993001395A1 Oscillating piston engine
01/21/1993WO1993001394A1 Gerotor device with biased orbiting valve and drain connection through wobble stick
01/20/1993EP0523129A1 A rotary engine
01/14/1993DE4221720A1 Hydraulische druckvorrichtung Hydraulic pressure device
01/12/1993US5178526 Coupling mechanism for co-orbiting scroll members
01/07/1993EP0494911A4 Rotary piston machine
12/1992
12/30/1992EP0520517A1 Housing for hermetic motor compressor
12/30/1992EP0520487A1 Scroll-type fluid machinery
12/30/1992EP0371022B1 Compound rotary internal combustion engine
12/29/1992US5174742 Rotary air motor with curved tangential vanes
12/23/1992EP0377730B1 Scroll fluid device using flexible toothed ring synchronizer
12/23/1992CN2125709U Compound rotary internal-combustion engine
12/23/1992CN1067293A Internal combustion engine with three-ring rotationary rotor
12/22/1992US5172593 Volumetric meter for liquids and/or gases
12/22/1992CA1311729C Scroll machine with plural pressurized seal enhancing chambers and static vane mounts
12/17/1992DE4215513A1 Pump for delivering and-or compressing fluids - has rotating spiral scroll centre of gravity between drive shaft bearings
12/17/1992DE4119622A1 Planetary piston IC engine - has housing-fastened expansion-chamber, open to rotary piston, with rotating filler channel, to feed combustion gas to expansion chamber
12/15/1992US5171140 Spiral displacement machine with angularly offset spiral vanes
12/15/1992US5171138 Composite stator construction for downhole drilling motors
12/10/1992WO1992021867A1 A continuous stroke cycle, rotary engine
12/07/1992WO1992021856A1 A multi-chamber rotary lobe fluid machine with positive sliding seals
12/05/1992CA2043855A1 Co-rotor engine with valve system
12/03/1992DE4117936A1 Rotary piston compressor assembly - has two rotors coupled and rotated by oscillating plates
12/02/1992CN2123608U Mydraulic motor using conchoid as pitch line
12/01/1992US5167491 High to low side bypass to prevent reverse rotation
11/1992
11/26/1992WO1992020924A1 A rotary displacement compressor and a method for regulating a rotary displacement compressor
11/26/1992DE4225300A1 One-stroke planetary piston engine - has stationary housing with slides and chambers, rotating shaft and jacket, ring conduits connected to housing openings
11/24/1992US5165880 Gerotor device with biased orbiting valve and drain connection through wobblestick
11/19/1992EP0513827A1 Scroll type fluid displacement apparatus having a capacity control mechanism
11/19/1992EP0513212A1 Rotary screw machine having thrust balancing means.
11/18/1992CN1066318A Combination type rotary blade engine
11/17/1992US5163825 Articulated vane fluid driven motor
11/12/1992WO1992019844A1 Revolting-rotating vane meter-motor-pump
11/12/1992WO1992016728A3 Rotary device with a toric chamber
11/12/1992DE4115289A1 Directly controlled rotary piston engine for vehicle - uses closed bevel gear drive to connect two piston wheels
11/12/1992DE4115104A1 Closed circulation rotary piston - has curved piston in contact with blocking engine on its own axis
11/04/1992CN2120883U 旋转式动力机 Rotary power machine
11/03/1992US5160253 Scroll type fluid apparatus having sealing member in recess forming suction space
10/1992
10/28/1992EP0510009A1 Rotary valve machine.
10/20/1992US5156541 Revolving vane pump-motor-meter with a toroidal working chamber
10/15/1992WO1992017048A2 Energy transmission mechanism in internal combustion engine of new type
10/15/1992DE4103829A1 IC engine with two disc pistons on common shaft - includes compression arms to open and close air-cooled combustion chamber
10/13/1992US5154595 Fixing mechanism for a timing gear system
10/13/1992US5154591 Displacement machine employing a plurality of intermeshing spiral displacement bodies
10/13/1992US5154149 Rotary motor/pump
10/08/1992DE4210712A1 Rotationsmaschine Rotary machine
10/01/1992WO1992016728A2 Rotary device with a toric chamber
10/01/1992WO1992016722A1 Power-transforming device (motor, or compressor and/or pump)
10/01/1992DE4131847C1 Control and conversion engine etc. drive - has several rotors, each with oval gearwheels, eccentric, parallel, and symmetrical w.r.t. rotor axis
10/01/1992DE4110545A1 Planetary rotation machine for compressor or pump - has working pistons with centres of gravity moving on circuits, rotating at constant angular velocity
10/01/1992DE4110042A1 Kolbenmotor Piston engine
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