| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 08/17/2005 | CN1215259C High pressure cleaning device |
| 08/16/2005 | US6929458 Oil pump rotor |
| 08/16/2005 | US6929064 Downhole pump |
| 08/16/2005 | US6928977 Adapter, to interface counter-rotating torque producing engine mechanisms with stationary support accessories, for torque free output and torque sensitive environments |
| 08/11/2005 | US20050175478 Devices Employing Colloidal-Sized Particles |
| 08/11/2005 | DE202005008989U1 Eccentric screw pump has rotationally driven rotor mounted in stator which has at least one sensor by which compressions and/or movements of stator or elastic material of stator are measured in course of rotation of rotor |
| 08/11/2005 | DE10356301B3 Hydraulischer Motor Hydraulic motor |
| 08/11/2005 | DE10223927B4 Verkleidung für eine Pumpe in einem Schrägradgetriebe Lining for a pump in a helical gear |
| 08/11/2005 | DE102004002076A1 Vane-cell pump for creating pressure medium flow for load, has free surface brought to mounting position of gasket and ring so that seat is placed on housing, and arranged in operating position of ring at tangential distance to seat |
| 08/10/2005 | EP1561035A1 Device provided with a component rotatable in a housing |
| 08/10/2005 | CN2716547Y Positive displacement compression pump |
| 08/10/2005 | CN2716546Y Lubricating pump with power take off mechanism |
| 08/10/2005 | CN1651766A Arc screw tooth shape of large flow double screw pump |
| 08/10/2005 | CN1651765A Small volum, large flow pump |
| 08/09/2005 | US6926492 Suction housing for rotor/stator pump |
| 08/04/2005 | US20050169779 Progressing cavity pump |
| 08/04/2005 | US20050169773 Oil pump for an automatic transmission of a motor vehicle |
| 08/04/2005 | DE202005006414U1 Motor pump unit for servo steering of vehicle has external tank, ECU fitted axially or radially to the unit housing and ECU plugs arranged radially or axially |
| 08/04/2005 | DE102004002062A1 Zahnradpumpe mit Fördermengenregelung Gear pump with capacity control |
| 08/04/2005 | DE102004001817A1 Variable performance pump with inner and outer meshing profiles and with axial displacement to vary the volume throughput |
| 08/03/2005 | EP1559913A1 Progressive cavity pump |
| 08/03/2005 | EP1559912A1 Internally meshed oil hydraulic-pump rotor |
| 08/03/2005 | EP1558847A1 Stator of a moineau-pump |
| 08/03/2005 | CN2714846Y Variable double-acting vane pump |
| 08/03/2005 | CN1650116A Hydraulic motor for use in high-pressure environment |
| 08/03/2005 | CN1648457A Cycloidal screw tooth form of large flow double screw pump |
| 08/03/2005 | CN1648456A Involute line screw tooth shape of large flow double screw pump |
| 07/28/2005 | WO2005068839A1 Hydraulic motor having an oscillating supporting piston |
| 07/28/2005 | WO2005068838A1 Pumping system |
| 07/28/2005 | WO2005068837A1 Extruder with gear pump |
| 07/28/2005 | US20050163643 Synchronized transaxle hydraulic motor |
| 07/28/2005 | US20050163640 Rotary drivehead for downhole apparatus |
| 07/28/2005 | US20050163631 Pump |
| 07/28/2005 | DE202004004231U1 Volumenstromveränderbare Verdrängerpumpe Variable displacement pump flow |
| 07/21/2005 | WO2005066502A1 Internal gear pump |
| 07/21/2005 | WO2005066501A1 Sealing surfaces between a wavy rotor collar and a displaceable slide of a pump |
| 07/21/2005 | WO2005066500A1 Rotary piston pump having an axially moving vane |
| 07/21/2005 | WO2005066499A1 Rotary piston pump comprising an axially movable vane |
| 07/21/2005 | WO2005066498A1 Rotary piston pump comprising an axially movable vane |
| 07/21/2005 | WO2005066497A1 Rotary pump provided with an axially movable blade |
| 07/21/2005 | WO2005066496A1 Rotary pump provided with an axially movable blade |
| 07/20/2005 | EP1555436A2 Gear pump with flow control |
| 07/20/2005 | CN2711415Y Duplex slide piece type oil conveying pump |
| 07/20/2005 | CN2711414Y Gear pump without pocketed oil |
| 07/20/2005 | CN2711413Y Straight tooth conjugate internal engaging gear pump |
| 07/20/2005 | CN1643259A Vane pump |
| 07/20/2005 | CN1643258A 机动泵 Motor pumps |
| 07/20/2005 | CN1641221A Rotor compression pump |
| 07/20/2005 | CN1641220A Variable displacement pump |
| 07/20/2005 | CN1641219A High-speed vortex liquid pump |
| 07/14/2005 | WO2005064164A1 Gear pump and liquid jetting device |
| 07/14/2005 | WO2005064163A1 Internal gear pump |
| 07/14/2005 | US20050152803 Internal gear pump with recesses on the gear bearing surfaces |
| 07/14/2005 | DE19717697B4 Innenzahnradmaschine Internal gear pump |
| 07/14/2005 | DE10360172A1 Hydraulischer Motor Hydraulic motor |
| 07/14/2005 | DE102004060362A1 Drive device for triggering rotational motion has a driving device block and a drive shaft to move in relation to it being made to rotate by gas/liquid under pressure |
| 07/13/2005 | EP1553299A2 Positive displacement pump with a vane |
| 07/13/2005 | EP1553298A1 Oil pump |
| 07/13/2005 | EP1552149A1 Stator for a spindle drag pump |
| 07/13/2005 | CN2709678Y Gear sundstrand pump |
| 07/13/2005 | CN1637300A 油泵 Pump |
| 07/13/2005 | CN1637298A 压缩机 Compressor |
| 07/13/2005 | CN1637295A 油泵 Pump |
| 07/13/2005 | CN1210500C Oilless lubricating screw type compressor |
| 07/07/2005 | WO2005061899A1 Modular system for attachments for helical spring compressor groups |
| 07/07/2005 | WO2005061897A1 Hydraulic motor |
| 07/07/2005 | WO2005047701A3 Stator for an eccentric spiral pump or an eccentric worm motor according to the moineau principle |
| 07/07/2005 | WO2005042923A8 Positive displacement device |
| 07/07/2005 | US20050147518 Gear pump with gears having curved teeth and method of feeding elastomeric material |
| 07/07/2005 | US20050147516 Stator for eccentric spiral pump |
| 07/06/2005 | EP1550542A1 Curved teeth for gear pump |
| 07/06/2005 | EP1549854A1 Integrated speed reducer and pump assembly |
| 07/06/2005 | EP1549478A1 Extruder/gear pump assembly |
| 07/06/2005 | CN2708006Y Non-canned rotor industrial pump |
| 07/06/2005 | CN2708005Y Enclosed sliding vane self-priming pump |
| 07/06/2005 | CN1635277A Method for processing rubber isopachous stator of screw pump |
| 07/06/2005 | CN1635276A 滚动滑片泵 Scroll vane pumps |
| 07/05/2005 | US6912764 Stator tube removal and installation device |
| 06/30/2005 | US20050142019 Compressor |
| 06/30/2005 | US20050142018 Increased capacity valving plates for a hydraulic motor |
| 06/30/2005 | US20050142006 Device for pressure regulation of hydraulic pumps |
| 06/30/2005 | US20050139189 Adapter, to interface counter-rotating torque producing engine mechanisms with stationary support accessories, for torque free output and torque sensitive environments |
| 06/30/2005 | DE19714648B4 Kraftstoff-Förderpumpe Fuel feed pump |
| 06/30/2005 | DE10356949A1 Zahnradpumpe, insbesondere Kraftstoffpumpe Gear pump, in particular fuel pump |
| 06/30/2005 | DE10355214A1 Zahnradpumpe, insbesondere Kraftstoffpumpe Gear pump, in particular fuel pump |
| 06/29/2005 | EP1546560A1 Closed system rotary machine |
| 06/29/2005 | EP0956431B1 Compact scroll fluid device |
| 06/23/2005 | WO2005057012A1 Gear pump, particularly a fuel pump |
| 06/23/2005 | WO2005056889A1 Metering device for supplying a liquid additive at high pressure |
| 06/23/2005 | DE19904911B4 Automatgetriebe Automatic transmission |
| 06/22/2005 | CN2705633Y Gear type water pump |
| 06/22/2005 | CN1630807A Dosing device adapted for dispensing concentrate from holder in metered manner |
| 06/22/2005 | CN1207495C Rotary piston machine |
| 06/21/2005 | US6907925 PC pump inlet backwash method and apparatus |
| 06/16/2005 | WO2005054677A1 Gear pump and liquid jetting device |
| 06/16/2005 | US20050129528 Variable displacement vane pump with variable target reguator |
| 06/16/2005 | DE10354577A1 Pump unit especially for supply of transmission oil has two halves of housing are axially movable in relation to one another so that steplessly adjustable flow rate is realizable |
| 06/16/2005 | DE10353027A1 Regelbare Pumpe, insbesondere Flügelzellenpumpe Adjustable pump, in particular vane pump |
| 06/16/2005 | DE10352267A1 Pendelschiebermaschine Pendulum slide machine |
| 06/16/2005 | DE10352029A1 Displacement pump has preloading device in form of flow pump with at least one feed wheel rotationally driven by drive shaft, whereby feed wheel of flow pump is torsionally fixed in relation to drive shaft |