| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 02/16/2006 | DE102005033679A1 Ölpumpe Oil pump |
| 02/15/2006 | CN2758544Y Planetary pinwheel cycloidal hydraulic motor |
| 02/15/2006 | CN2758528Y Unload type non-leakage high pressure, medium pressure gear pump |
| 02/15/2006 | CN2758527Y Reversible rotation gear pump |
| 02/15/2006 | CN1734093A Trochoid pump |
| 02/15/2006 | CN1242170C Clearance of ring shaped gear wheel machine |
| 02/14/2006 | US6997841 Lubrication pump for inter-axle differential |
| 02/14/2006 | US6997689 Offset bearing for extended fuel pump life |
| 02/14/2006 | US6996905 Method of making gear pump |
| 02/09/2006 | WO2006014442A2 Multiple computer system supporting a private constant-dollar financial product |
| 02/09/2006 | WO2006014169A2 Private constant-dollar financial product system |
| 02/09/2006 | US20060030748 Rotary pump with hydrodynamically suspended impeller |
| 02/09/2006 | US20060029507 Stator of a moineau-pump |
| 02/09/2006 | DE10343549B4 Verdrängerpumpe mit Überdruckventil Positive displacement pump with pressure relief valve |
| 02/09/2006 | CA2575554A1 Non-metallic gear pump with magnetic coupling assembly |
| 02/08/2006 | EP1624189A1 Rotary piston pump |
| 02/08/2006 | EP1623051A2 Oil pump |
| 02/08/2006 | EP1226338B1 Rotary piston machine |
| 02/08/2006 | CN1240939C Hydraulic motor with capability of multi-rotating speed ratio |
| 02/07/2006 | US6994071 Two-cycle engine for counter-rotation especially for aviation applications |
| 02/07/2006 | CA2411989C Optimized fiber reinforced liner material for positive displacement drilling motors |
| 02/02/2006 | WO2006010471A1 Hydrostatic rotary cylinder engine |
| 02/02/2006 | DE102004035051A1 High-pressure rotary pump has working rotor and a sealing rotor which are twin rotors of the same diameter |
| 02/02/2006 | DE102004033366A1 Compressor or pump for gas has an outer case, a main drive shaft with a cover each on the inlet and outlet sides joined to the case |
| 02/02/2006 | DE102004022362B4 Switchable multi-stage oil pump, has pump stages with rotor and socket wheels, where rotor socket is rotatably supported on drive shaft and socket wheel is axially displaceable on drive shaft |
| 02/02/2006 | DE10160335B4 Zuführvorrichtung für eine Exzenterschneckenpumpe Feeder for an eccentric |
| 02/01/2006 | CN2755318Y Small-volume and big-flow pump |
| 02/01/2006 | CN1729361A Stator of a moineau-pump |
| 01/31/2006 | US6991442 Gear pump and method of making same |
| 01/26/2006 | US20060018779 Method of transforming a motion in a volume screw machine of rotary type and rotary screw machine |
| 01/25/2006 | EP1619388A1 Oil pump |
| 01/25/2006 | CN2753904Y 不锈钢齿轮泵 Stainless steel gear pump |
| 01/24/2006 | CA2173128C Positive displacement pump apparatus |
| 01/19/2006 | DE102005027607A1 Pump, especially multi-lift vane cell pump to feed lubricating oil to engine, has valve with preformed part or tongue located tangentially to lift contour allowing directed outlet flow in direction of suction flow when open |
| 01/19/2006 | DE102004031131A1 Blocking wing pump comprises a stator and rotors arranged on a common driveshaft to rotate axially about a specified angle on the driveshaft |
| 01/19/2006 | DE102004030330A1 Rotating plunger pump for use as e.g. oil pump has external ring arranged in delivery space to which outlet is connected |
| 01/18/2006 | EP1617080A1 Oil pump |
| 01/18/2006 | EP1616099A1 Sintered metal rotor of a rotary piston pump |
| 01/18/2006 | CN2752488Y 计量泵 Metering pumps |
| 01/18/2006 | CN2752487Y Axle sleeve type gear pump and gear motor with rolling bearing |
| 01/18/2006 | CN1721657A Double sided eddy disc scroll mechanism |
| 01/12/2006 | DE202005016394U1 Screw pump for delivery of viscous materials, in particular, sound absorbing plaster comprises a hose accommodating a conveyor screw which consists of a hardened metal and is rotated by a motor |
| 01/12/2006 | DE19952287B4 Druckentlastungsventil Pressure relief valve |
| 01/12/2006 | DE102005027439A1 Flügelpumpe Vane pump |
| 01/11/2006 | EP1614899A1 Shaft supporting bush for an external gear machine |
| 01/11/2006 | CN2751162Y Infusion pump |
| 01/11/2006 | CN2751161Y Hydraulic gear pump |
| 01/11/2006 | CN2751160Y Double flow rate and double pressure sequence gear pump |
| 01/11/2006 | CN2751155Y Electric fuel pump for automobile engine |
| 01/11/2006 | CN1236211C Internal gear pump |
| 01/10/2006 | US6984158 Cooling water pump device for outboard motor |
| 01/05/2006 | WO2006000181A1 Pump |
| 01/05/2006 | US20060002809 Rotary closed type compressor and refrigerating cycle apparatus |
| 01/04/2006 | EP1612370A1 Gerotor mechanism for a screw hydraulic machine |
| 01/04/2006 | CN1715652A Double circle concentric volumetric vane pump |
| 01/04/2006 | CN1234971C Variable pump |
| 12/29/2005 | US20050287028 Scroll fluid machine |
| 12/29/2005 | US20050285305 Method of molding progressive cavity pump stators |
| 12/29/2005 | DE102004028830A1 Hydraulic pump has two intermeshing gear wheels each adjacent to a chamber |
| 12/28/2005 | EP1609993A2 Method of molding progressive cavity pump stators |
| 12/28/2005 | CN1712707A Volumetric vane pump |
| 12/28/2005 | CN1233927C Rotary piston type fluid element |
| 12/27/2005 | US6979185 Bi-rotational pump/hydraulic actuator |
| 12/24/2005 | CA2510716A1 Method of molding progressive cavity pump stators |
| 12/22/2005 | WO2005121557A1 Motor/pump unit |
| 12/22/2005 | US20050283277 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 12/22/2005 | US20050281698 Low speed, high torque rotary abutment motor |
| 12/22/2005 | US20050281690 Vane pump |
| 12/22/2005 | US20050281689 Diametric slider block pump |
| 12/22/2005 | US20050281682 Autonomous moving microstructures |
| 12/22/2005 | US20050281681 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 12/22/2005 | US20050281680 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 12/22/2005 | DE102004026962A1 Positive displacement pump e.g. sliding vane pump, for servo control device, has working chamber whose volume is adjusted by changing eccentricity between rotor and ring, and elastic unit counteracting ring displacement to increase volume |
| 12/22/2005 | DE102004026961A1 Verstellbare Verdrängerpumpe Variable displacement pump |
| 12/21/2005 | EP1388131A4 Improved fluid metering device |
| 12/21/2005 | CN2747380Y Gear type high pressure spraying-pump with clutch |
| 12/21/2005 | CN1711422A Variable volume flow rotor pump |
| 12/20/2005 | US6976832 Fluid rotary machine |
| 12/20/2005 | US6976830 Variable displacement pump |
| 12/20/2005 | CA2411535C Optimized liner thickness for positive displacement drilling motors |
| 12/20/2005 | CA2401430C Eccentric toothed rotor set having planetary gears on the inner rotor |
| 12/15/2005 | WO2005119066A2 Gear for use in a gear pump |
| 12/15/2005 | WO2005119065A2 Adjustable displacement pump |
| 12/15/2005 | US20050276714 Gear pump |
| 12/15/2005 | DE102004026296A1 Ölpumpe Oil pump |
| 12/14/2005 | EP1478854B1 Motor pump |
| 12/14/2005 | CN2746160Y Screw pump |
| 12/14/2005 | CN2746157Y Vane with metal wrapped working surface |
| 12/14/2005 | CN2746156Y Multifunction portable liquid draw off pump |
| 12/14/2005 | CN2746155Y Multi-gear hydraulic pump |
| 12/14/2005 | CN1708647A Internally meshed oil hydraulic-pump rotor |
| 12/13/2005 | US6974315 Reduced friction gerotor |
| 12/13/2005 | US6974115 Electro-hydrostatic actuator |
| 12/13/2005 | US6974052 Dosing device adapted for dispensing a concentrate from a holder in a metered manner |
| 12/13/2005 | US6973707 Method of removing stators from tubular stator housings |
| 12/08/2005 | US20050271538 Gear for use in a gear pump |
| 12/08/2005 | US20050271536 Wobblestick with helix |
| 12/08/2005 | US20050271535 Closed system rotary machine |
| 12/08/2005 | US20050271534 Scroll compressor and air-conditioning system for vehicle using the scroll compressor |
| 12/08/2005 | US20050271533 Pump apparatus |