| Patents for F03C 4 - Oscillating-piston engines (772) |
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| 08/31/2005 | CN1661249A Fluid dispensation method |
| 08/31/2005 | CN1661248A Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device |
| 08/25/2005 | US20050186101 Method of Charging Dynamic-Pressure Bearing Device with Lubricating Fluid, and Method of Inspecting Dynamic-Pressure Bearing Device |
| 08/25/2005 | US20050184085 Fluid Dispensation Method |
| 08/25/2005 | US20050183906 Lubricating-Fluid Infusion Apparatus |
| 07/21/2005 | WO2005020413A3 Self regulating rotor |
| 07/07/2005 | WO2005042923A8 Positive displacement device |
| 06/30/2005 | CA2452240A1 Non-contact balanced-blade rotary reciprocating engine |
| 06/28/2005 | US6910873 Self regulating rotor |
| 06/15/2005 | EP1540184A1 Gear pump |
| 05/18/2005 | CN1616826A 涡旋式压缩机 Scroll compressor |
| 05/12/2005 | WO2005042923A1 Positive displacement device |
| 05/12/2005 | US20050100469 Scroll compressor |
| 05/03/2005 | US6887059 Lever-mechanism motor or pump |
| 04/28/2005 | US20050087156 Lever-mechanism motor or pump |
| 04/05/2005 | US6874989 Vacuum pump |
| 03/03/2005 | WO2005020413A2 Self regulating rotor |
| 02/24/2005 | US20050042095 Self regulating rotor |
| 02/10/2005 | DE10332984A1 Oscillating motor for split stabilizer on axle of vehicle has air filter unit consisting of material with passage structure permeable for gases and impermeable for solids and liquids, and fastened on or integrated into oscillating motor |
| 02/10/2005 | CA2533822A1 Two-lobe rotary machine |
| 12/09/2004 | US20040247475 Scroll fluid machine |
| 04/21/2004 | CN1490526A 真空泵 Vacuum pump |
| 03/17/2004 | EP1398507A2 Multistage Roots-type vacuum pump |
| 03/11/2004 | US20040047755 Vacuum pump |
| 01/27/2004 | US6682328 Multi-stage scroll fluid machine having a seal element between compression sections |
| 12/11/2003 | WO2003102420A1 Gear pump |
| 09/11/2003 | US20030170136 Lever-mechanism motor or pump |
| 04/03/2003 | US20030063990 Scroll fluid machine |
| 03/20/2003 | DE10140460C1 Turning motor for divided stabilizer has air induction aperture for each working chamber connected to atmosphere via air outlet blocking no-return valve device |
| 03/12/2003 | CN1402812A Apparatus using oscillating rotating pistons |
| 09/25/2002 | EP1242727A1 Apparatus using oscillating rotating pistons |
| 09/12/2002 | US20020127126 Bi-rotational pump/hydraulic actuator |
| 07/23/2002 | US6422846 Low pressure unloader mechanism |
| 06/11/2002 | US6401686 Apparatus using oscillating rotating pistons |
| 05/16/2002 | US20020057976 Scroll fluid machine |
| 04/24/2002 | EP1199473A2 Scroll fluid machine |
| 02/27/2002 | CN2479240Y Oscillating hydraulic motor |
| 02/20/2002 | CN1336979A Lever-mechanism motor or pump |
| 10/24/2001 | EP1147292A1 Lever-mechanism motor or pump |
| 07/25/2001 | CN1305058A Automatic rocking mechanism |
| 06/14/2001 | WO2001042635A1 Apparatus using oscillating rotating pistons |
| 06/14/2001 | CA2392735A1 Apparatus using oscillating rotating pistons |
| 08/03/2000 | WO2000045032A1 Lever-mechanism motor or pump |
| 12/23/1997 | US5700027 Vehicular suspension system |
| 12/16/1997 | CA2045400C Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing |
| 10/07/1997 | US5673605 Motor cavitation prevention device for hydraulic systems |
| 11/19/1996 | US5575502 Rotary actuator such as a hydraulic rotary actuator for a motor vehicle and a method of making a rotary actuator |
| 06/05/1996 | CN1123887A Motor cavitation prevention device for hydraulic system |
| 05/30/1996 | DE4442223A1 Motor for split stabiliser on vehicle axle |
| 04/03/1996 | EP0704628A1 Motor cavitation prevention device for hydraulic system |
| 05/11/1995 | DE4435692A1 Pivoting motor |
| 05/18/1994 | CN2165249Y Hydraulic oscillating motor |
| 09/15/1992 | US5147193 Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing |
| 11/27/1991 | CN1014921B Power conversion machine provided with pistons rotating in spherical housing |
| 11/20/1991 | CN1014814B Oscillating piston type engine |
| 08/21/1991 | CN1013608B Tangent multi-action rotaty hydraulic motor with oscillating gear ring |
| 10/04/1990 | DE4005018A1 Hydraulic swash piston motor - has loose, play-free segment, with fitting contour in pressure chamber |
| 08/08/1990 | EP0381639A2 Power conversion machine provided with pistons rotating in a spherical housing |
| 07/25/1990 | CN1044149A Power conversion machine provided with pistons rotating in spherical housing |
| 07/10/1990 | WO1990007632A1 Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing |
| 12/27/1989 | CN1038335A Tangent multi-action rotary hydraulic motor with oscillating gear-ring |
| 04/12/1989 | EP0253852A4 Hydraulic rotary actuator utilizing rotation generated centrifugal head. |
| 11/02/1988 | CN87102826A 摆动活塞式发动机 Oscillating piston engine |
| 09/28/1988 | CN87207826U Ball-ring type oil motor |
| 07/26/1988 | US4759186 Self-powered rotary actuator utilizing rotation-generated centrifugal head |
| 01/27/1988 | EP0253852A1 Hydraulic rotary actuator utilizing rotation generated centrifugal head |
| 07/02/1987 | WO1987003927A1 Self-powered rotary actuator utilizing rotation generated centrifugal head |
| 12/23/1980 | US4240326 Hydraulic vibration exciter and method of cooling thereof |
| 05/28/1980 | EP0011304A1 Oscillating hydraulic motor |
| 08/14/1979 | CA1060310A1 Hydraulic vibration exciter and method of cooling thereof |
| 12/07/1976 | US3995536 Oscillating fluid-driven actuator |
| 11/16/1976 | US3991657 Vaned hydraulic motor |