| Patents for F01C 1 - Rotary-piston machines or engines (9,235) |
|---|
| 07/17/1991 | CN1053105A 旋转活塞机器 A rotary piston machine |
| 07/16/1991 | US5032068 Displacement type rotary system steam turbine engine |
| 07/10/1991 | EP0435878A1 Planetary piston internal combustion engine. |
| 07/10/1991 | CN1052923A Displacement-type rotary system steam-turbine engine |
| 07/09/1991 | US5030071 Roller van motor with fluid biassed roller |
| 07/03/1991 | EP0435815A1 Lapping of involute spiral scroll element |
| 06/27/1991 | DE4037541A1 Diesel engine using hydrogen or hydrogen and petrol fuel - uses steam turbine coupled to generator and electrolysis device for hydrogen and oxygen generation |
| 06/26/1991 | CN1052536A Dual-vane three-action fluid machinery |
| 06/26/1991 | CN1012982B High efficiency rotary steam engine |
| 06/25/1991 | US5025756 Internal combustion engine |
| 06/19/1991 | EP0432287A1 Rotary engine |
| 06/19/1991 | CN2079219U Four-stork rotary internal-combustion engine |
| 06/19/1991 | CN1012911B Arrangement in internal combustion engine provided with supercharger |
| 06/18/1991 | US5024590 Rotary engine of the type having a planetary rotor with rotor and shaft equal rotation |
| 06/18/1991 | US5024589 Spiral displacement machine having a lubricant system |
| 06/18/1991 | US5024192 Variable compression ratio internal combustion rotating engine |
| 06/13/1991 | DE3940856A1 Rotary piston IC engine - has swinging arm driven by rotating cam which compresses air and fuel mixture |
| 06/06/1991 | DE3939853A1 Rotary tilting piston engine - has cylindrical rotor with recesses, carrying tilting pistons |
| 06/05/1991 | EP0430789A1 Rotary machine with rolling piston |
| 06/05/1991 | EP0429650A1 Volume-expansion steam rotor engine |
| 06/05/1991 | CN1012749B Volume machine |
| 05/29/1991 | EP0429146A1 Scroll member for scroll type fluid displacement apparatus |
| 05/29/1991 | DE3939096A1 Runner for use in pump or motor - has lamellae fitting into slots in rotor and pushed outward by star-shaped leaf spring assembly |
| 05/29/1991 | CN1051777A Rotary piston machine seal |
| 05/29/1991 | CA2029796A1 Rotary machine with a rolling piston |
| 05/22/1991 | EP0428305A1 Oscillatory rotating engine |
| 05/16/1991 | WO1991006747A1 A rotary fluid engine |
| 05/02/1991 | EP0217813B1 Rotary piston machine with periodically variable rotation speeds |
| 05/01/1991 | CN2076160U Radial rotor compressed-air engine |
| 05/01/1991 | CN1051071A Rotary engine |
| 04/30/1991 | US5011389 Rotor for a rotary screw machine |
| 04/24/1991 | EP0424104A1 Rotary engine |
| 04/23/1991 | US5009206 Rotary internal combustion engine |
| 04/19/1991 | CA2027843A1 Rotary engine |
| 04/17/1991 | CN1050757A Rotary hydraulic machinery running smoothly |
| 04/10/1991 | EP0421499A2 Rotary fluid machine |
| 04/05/1991 | WO1991005144A1 Rotary piston machine seal |
| 04/05/1991 | WO1991005143A1 Rotary piston machine |
| 04/05/1991 | CA2067355A1 Rotary piston machine |
| 04/05/1991 | CA2067345A1 Rotary piston machine seal |
| 04/03/1991 | EP0419531A1 Rotary positive displacement compressor and refrigeration plant. |
| 04/02/1991 | US5004409 Displacement machine |
| 04/02/1991 | CA1282385C Axial sealing mechanism for a scroll type fluid displacement apparatus |
| 03/28/1991 | DE3931186A1 Gear wheel motor with precision speed control - provided by controlled pressure field acting on seal abutting side faces of engaged gear wheels |
| 03/27/1991 | EP0419204A1 Orbiting member fluid displacement apparatus with rotation preventing mechanism |
| 03/27/1991 | CN2073935U Partition type annular cylinder engine |
| 03/27/1991 | CN1012201B Scroll compressor |
| 03/27/1991 | CN1012200B Scroll machine |
| 03/26/1991 | US5002472 Profiles of screw-type rotors for rotary machines conveying a gaseous fluid |
| 03/21/1991 | DE3934275C1 Control transmission for rotary piston engine - has two concentric input drive shafts, each connected to drive crank |
| 03/19/1991 | CA1281534C Method of manufacturing a rotor |
| 03/13/1991 | CN1011996B Fluid flowmeter |
| 03/07/1991 | WO1991002888A1 Rotating internal combustion engine |
| 03/05/1991 | US4997348 Spiral rotary piston displacement machine with advanced inlet sealing line |
| 02/27/1991 | EP0413728A1 Lift valve in a rotary screw machine |
| 02/27/1991 | EP0363420B1 Pump |
| 02/20/1991 | EP0413541A1 Rotary internal combustion engine |
| 02/20/1991 | CN1011724B E-shaped rotary polygonal piston engine |
| 02/19/1991 | US4993929 Scroll machine with lubricated thrust surfaces |
| 02/14/1991 | DE3926061A1 Rotary oscillating IC engine - has pistons formed on inner and outer rotors and valves and spraying plugs set at internals around periphery |
| 02/12/1991 | US4992033 Scroll-type machine having compact Oldham coupling |
| 02/07/1991 | WO1990015932A3 Methods and apparatuses for pressurizing and depressurizing fluid streams |
| 02/06/1991 | EP0411000A1 A method for manufacturing screw rotors. |
| 02/06/1991 | CN2070826U Rolling roller engine |
| 02/06/1991 | CN2070823U Engagement type engine |
| 02/05/1991 | US4990071 Scroll type fluid apparatus having two orbiting end plates linked together |
| 01/29/1991 | CA1279620C High compression scroll element for scroll-type machines |
| 01/24/1991 | WO1991000964A1 Frictionless rotary pump-motor-meter |
| 01/23/1991 | EP0259328B1 Rotary piston machine |
| 01/23/1991 | CN2069927U Rotary-piston engine |
| 01/22/1991 | CA1279302C Rotary type fluid machine |
| 01/15/1991 | CA1279048C Method and apparatus for adjusting the angular relationship of spiral elements in a scroll type fluid displacement apparatus |
| 01/15/1991 | CA1279047C Lubricating mechanism for a scroll-type fluid displacement apparatus |
| 01/15/1991 | CA1278954C Electrical commutation apparatus |
| 01/09/1991 | CN2069023U Axle-roll engine |
| 01/09/1991 | CN2069019U Centrifugal blades type rotor engines |
| 01/08/1991 | CA1278783C Scroll type fluid machine and method for forming scroll members usedtherein |
| 01/08/1991 | CA1278782C Axial thrust load mechanism for a scroll type fluid displacement apparatus |
| 01/05/1991 | CA2018027A1 Frictionless rotary pump-motor-meter |
| 01/03/1991 | DE3939962C1 IC engine constructional system - used set of chambers with ball bearings and hydromechanical transmission |
| 01/02/1991 | EP0404921A1 Rotor pair for a high-pressure screw-type compressor. |
| 01/02/1991 | CN1011057B Rotary internal combustion engine |
| 12/27/1990 | WO1990015932A2 Methods and apparatuses for pressurizing and depressurizing fluid streams |
| 12/27/1990 | EP0323476B1 Rotor for a rotary screw machine |
| 12/19/1990 | EP0402959A2 Gear pump or motor |
| 12/19/1990 | CN2067761U Rotary round rotor engine |
| 12/13/1990 | DE3918814A1 Gear motor using compressed pneumatic medium - has gear pair in sealed housing, each gear having two axially moving gear rings |
| 12/12/1990 | EP0401741A1 Two stage primary dry pump |
| 12/12/1990 | CN1047720A Combustion engine with baffle plate rotary-piston |
| 12/12/1990 | CN1010794B Internal-axis rotary-piston machine |
| 12/05/1990 | CN2066893U Electric pump for grain transportation |
| 12/05/1990 | CN1047553A Rotary reciprocating engine |
| 12/04/1990 | USRE33473 Oil feeding device for scroll fluid apparatus |
| 12/04/1990 | US4974318 Method of making a dual-shaft machine |
| 11/29/1990 | WO1990014503A1 Volume-expansion steam rotor engine |
| 11/28/1990 | CN1010603B Supercharging gear internal-combustion engine |
| 11/22/1990 | EP0397996A2 Internal combustion engine |
| 11/20/1990 | US4971533 Piston of a rotary piston engine |
| 11/14/1990 | CN2065675U Dual-cylinder dual-chamber rotary engine |
| 11/13/1990 | US4969810 Spiral displacement machine with radially inner seal gap for temperature expansion |