| Patents for F04C 9 - Oscillating-piston machines or pumps (230) |
|---|
| 10/26/2005 | EP1589225A2 Rotating piston machine |
| 10/20/2005 | US20050234287 Pulsatile blood pumping system |
| 03/10/2005 | WO2005021974A1 A compressor |
| 02/16/2005 | CN1189663C Pump with swinging rotor |
| 02/16/2005 | CN1189610C Pump for water-jetting type textile machine |
| 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 |
| 01/27/2005 | US20050019195 Rotary piston pump |
| 12/22/2004 | CN2665412Y Integrated double-cylinder piston pump |
| 12/09/2004 | DE10322501A1 Rotary piston pump, has a piston whose annular space is positioned with respect to the shaft area of rollers such that the piston rotates continuously along the circumference of the rollers |
| 11/24/2004 | CN1177131C Rotary piston machine |
| 11/18/2004 | DE10164813B4 Drehkolbenpumpe Rotary pump |
| 10/28/2004 | US20040211632 Rotary Damper |
| 10/06/2004 | EP1334265A4 Fluid power transfer device |
| 08/25/2004 | EP1448895A1 Rotary piston pump |
| 06/24/2004 | DE10257047A1 Pump for fluid and gases has intake chambers formed by two neighboring blades and facing walls of inner and outer rings |
| 05/27/2004 | US20040101426 Pump |
| 03/10/2004 | CN1481471A Fluid power transfer device |
| 10/08/2003 | CN1123697C Hydraulic oscillator |
| 09/17/2003 | CN1442602A 旋转活塞机 Rotary piston machine |
| 08/13/2003 | EP1334265A1 Fluid power transfer device |
| 08/06/2003 | EP1332287A1 A pump |
| 06/04/2003 | EP0819835B1 Reversible converter of direction of movement and device for displacing volumes using said converter |
| 05/30/2003 | WO2003044372A1 Rotary piston pump |
| 04/30/2003 | DE10156835C1 Rotary piston pump for conveying media comprises an annular piston having control pockets opening toward its axial end surface for controlling inlet and outlet openings |
| 04/09/2003 | CN1105225C Reciprocating rotary piston system and pressure pump and IC engine using same |
| 11/14/2002 | WO2002090775A1 Rotary piston pump |
| 11/14/2002 | DE10122355A1 Drehkolbenpumpe Rotary pump |
| 11/05/2002 | US6474288 Internal combustion engine that completes four cycles in one revolution of the crankshaft |
| 07/23/2002 | CA2117201C Swash plate pump |
| 07/11/2002 | WO2002053874A1 Transmission of mechanical motion |
| 06/12/2002 | CN1353248A Pump with swinging rotor |
| 05/21/2002 | US6390052 Wobble engine |
| 05/16/2002 | WO2002038957A1 A pump |
| 04/25/2002 | WO2002033238A1 Fluid power transfer device |
| 04/25/2002 | CA2426179A1 Fluid power transfer device |
| 04/18/2002 | US20020043238 Wobble engine |
| 03/28/2002 | WO2002025063A1 Coaxial rotary engine |
| 03/27/2002 | CN1081723C Reversible converier of direction of movement and device for displacing volumes using said converter |
| 03/06/2002 | CN2480586Y Zero freedom semisphere swing rotor pump |
| 11/27/2001 | US6321693 Reciprocating rotary piston system and pressure pump and internal combustion engine using the same |
| 10/10/2001 | CN1316598A Hydraulic oscillator |
| 06/21/2001 | DE19960449A1 Rotation machine has electrorheological and/or magnetorheological liquid chamber with dividing wall with axially separate elements joined to rotor, controlled capacitor plate segments |
| 02/28/2001 | CN2421431Y Oscillating rotor type displacement pump |
| 01/24/2001 | CN1281527A Reciprocating rotary piston system and pressure pump and IC engine using same |
| 10/27/2000 | CA2269267A1 Axial motion controller |
| 10/25/2000 | CN2402835Y Reciprocating pump with plate piston |
| 10/04/2000 | CN2399533Y 摆动转子式压缩机 Swing compressor rotor |
| 06/02/2000 | CA2308924A1 Reciprocating rotary piston system and pressure pump and internal combustion engine using the same |
| 03/15/2000 | CN2369011Y Pressurizing mechanism with oscillating hinge pin |
| 02/09/2000 | EP0979028A1 Device for dosing a very viscous liquid |
| 11/30/1999 | US5993182 Reversible converter of direction of movement and device for displacing volumes using said converter |
| 11/10/1999 | EP0819835A4 Reversible converter of direction of movement and device for displacing volumes using said converter |
| 11/10/1999 | CN2348152Y Wear and corrosion-resisting fitting for beam-pumping unit |
| 11/09/1999 | US5979163 Rotationally pivotal motion controller |
| 07/08/1999 | WO1999034115A1 Pump |
| 05/05/1999 | CN2317338Y Bidirectional variable double action axial vane pump |
| 05/05/1999 | CN2317337Y 增压泵 Booster |
| 01/13/1999 | CN2303950Y 70 cylinder long-stroke compression air conditioner set |
| 09/16/1998 | CN2291517Y Oscillating-piston compressor |
| 05/27/1998 | CN1183132A Reversible converier of direction of movement and device for displacing volumes using said converter |
| 01/21/1998 | EP0819835A1 Reversible converter of direction of movement and device for displacing volumes using said converter |
| 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 |
| 10/15/1997 | CN1162029A Pump for water-jetting type textile machine |
| 11/19/1996 | US5575502 Rotary actuator such as a hydraulic rotary actuator for a motor vehicle and a method of making a rotary actuator |
| 10/10/1996 | WO1996031684A1 Reversible converter of direction of movement and device for displacing volumes using said converter |
| 10/10/1996 | CA2217219A1 Reversible converter of direction of movement and device for displacing volumes using said converter |
| 07/02/1996 | US5531576 Wobble plate pump with side chambers through which fluid flows |
| 05/30/1996 | DE4442223A1 Motor for split stabiliser on vehicle axle |
| 05/29/1996 | CN2228147Y Straight-line-rotation compound motor |
| 10/03/1995 | US5454699 Wobble pump |
| 08/31/1995 | DE4405945A1 Pump, with inclined plate and axial pistons, |
| 07/25/1995 | US5435705 Driving apparatus for a wobble plate machine |
| 07/19/1995 | EP0605471B1 Swash pump |
| 01/04/1995 | EP0632204A1 Oscillating vane for a rotary actor |
| 01/04/1995 | EP0632200A1 Drive mechanism for swash plate machine |
| 11/29/1994 | CA2124225A1 Low pulsation pump mechanism and pump |
| 07/13/1994 | EP0605471A1 Swash pump. |
| 05/20/1994 | CA2093550A1 Plunger for reciprocating plunger pump |
| 05/04/1994 | EP0595279A1 Pump with rocking disk |
| 03/02/1994 | CN2158001Y Swinging pump |
| 01/11/1994 | US5277558 Constant output pressure pump |
| 10/20/1993 | EP0456713B1 Arrangement of pumps or similar machines |
| 09/07/1993 | US5242281 Wobble plate pump |
| 04/20/1993 | US5203684 Oscillating piston pump or similar machine |
| 04/01/1993 | WO1993006371A1 Swash pump |
| 03/25/1993 | DE4131628A1 Taumelscheibenpumpe Swash plate pump |
| 01/07/1993 | DE4121543A1 Submerged water pump - has chambers rotating through thirty degrees with pressure differential minimisation to reduce input power requirement |
| 09/30/1992 | CN2117480U Oscillating rotary machine for converting mechanical energy into pressure |
| 09/15/1992 | US5147193 Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing |
| 06/30/1992 | US5125809 Wobble plate pump |
| 11/27/1991 | CN1014921B Power conversion machine provided with pistons rotating in spherical housing |
| 11/21/1991 | EP0456713A1 Arrangement of pumps or similar machines. |
| 05/02/1991 | DE3935502A1 Blood pump pendulum, bearing - uses contactless magnetic drive to produce swivel |
| 11/28/1990 | CN2066516U Screw pump for deep water lifting driving by hydraulic |
| 10/03/1990 | CN2063176U Multi-stage multi-oscillating type single screw pump |
| 08/08/1990 | EP0381639A2 Power conversion machine provided with pistons rotating in a spherical housing |
| 08/04/1990 | WO1990008902A1 Arrangement of pumps or similar machines |
| 08/04/1990 | CA2045558A1 Arrangement of pumps or similar machines |
| 07/25/1990 | CN1044149A Power conversion machine provided with pistons rotating in spherical housing |