| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 02/22/2005 | US6857862 Roller vane pump |
| 02/22/2005 | US6857441 Fluid metering device |
| 02/17/2005 | WO2005015034A1 Eccentric worm pump |
| 02/17/2005 | WO2005015022A1 Oil pump rotor |
| 02/17/2005 | DE10331979A1 Pumpe mit optimiertem Axialspiel Pump with optimized axial clearance |
| 02/17/2005 | DE102004035743A1 Variable Verdrängungspumpe Variable displacement pump |
| 02/16/2005 | CN2679399Y Automotive geared pump |
| 02/16/2005 | CN1580575A 油泵 Pump |
| 02/16/2005 | CN1189405C Pumping arrangement for household water purifier |
| 02/15/2005 | US6855083 Lubrication pump for inter-axle differential |
| 02/15/2005 | US6854257 System for injecting fuel into a turbomachine |
| 02/10/2005 | US20050032602 Lubrication pump for inter-axle differential |
| 02/10/2005 | DE102004033490A1 Internal geared wheel machine esp. pump has internal geared wheel and eccentric external geared pinion, defining space with two-part filler element supported on contact part, to prevent fluttering |
| 02/10/2005 | CA2533822A1 Two-lobe rotary machine |
| 02/09/2005 | EP1504192A1 Variable-delivery rotary pump, in particular for oil |
| 02/09/2005 | EP1053360B1 Extrusion pump |
| 02/09/2005 | CN2677665Y Oil pump for vehicle engine |
| 02/09/2005 | CN1576597A Trochoidal oil pump |
| 02/09/2005 | CN1576596A Trochoid oil pump |
| 02/09/2005 | CN1576595A 油压泵 Hydraulic pump |
| 02/09/2005 | CN1576590A 可变容量旋转压缩机 Variable capacity rotary compressor |
| 02/09/2005 | CN1576587A Variable displacement pump |
| 02/09/2005 | CN1576586A Variable displacement pump |
| 02/09/2005 | CN1188599C Inverse toothed rotor set |
| 02/03/2005 | WO2005010368A1 Unit for delivering fuel to an internal combustion engine |
| 02/03/2005 | WO2005010367A1 Fluid pump and motor |
| 02/03/2005 | WO2005010322A1 Compressed air rotary engine |
| 02/03/2005 | US20050022381 Method of making gear pump |
| 02/03/2005 | DE20314793U1 Hydraulisch angetriebene Pumpe Hydraulically driven pump |
| 02/03/2005 | DE19631910B4 Hydraulische Maschine der Zahnring-Bauart Hydraulic machine the tooth ring-type |
| 02/03/2005 | DE102004030480A1 Sealing system for faces of gears of internal gear pump comprises sealing rings which fit into grooves around them, springs being mounted in grooves inside rings and pressing them against pump casing |
| 02/03/2005 | CA2533527A1 Rotary machine housing with radially mounted sliding vanes |
| 02/02/2005 | EP1503081A1 Hydraulic pump |
| 02/02/2005 | EP1503034A1 Gerotor type machine |
| 02/02/2005 | EP1404973B1 Method for making a moineau pump stator and resulting stator |
| 02/02/2005 | EP1299644B1 Hydraulic transformer |
| 02/02/2005 | CN2675906Y Non-leakage gear pump |
| 02/02/2005 | CN1573302A Non round gear and volumetric flowmeter using same |
| 02/02/2005 | CN1573112A Roller vane pump |
| 02/02/2005 | CN1573111A Gear pump or motor |
| 02/02/2005 | CN1573110A Fuel supply apparatus |
| 01/27/2005 | WO2004101836A3 Oil pump |
| 01/27/2005 | US20050019198 Auto suction hybrid pump |
| 01/27/2005 | US20050019196 Trochoid type oil pump |
| 01/27/2005 | US20050019195 Rotary piston pump |
| 01/27/2005 | US20050019189 Variable capacity rotary compressor |
| 01/27/2005 | US20050019175 Variable displacement pump |
| 01/27/2005 | US20050019174 Variable displacement pump |
| 01/27/2005 | DE102004029560A1 Pump, especially vane cell pump for transmission applications, has sealing device for circumferential contour of region between pressure plate and pump housing, and provided with support rib inside circumferential contour |
| 01/27/2005 | DE10200393B4 Partielle Spannsperre für eine Exzenterschneckenpumpe (partiell nachspannbarer Stator) Partial clamping lock on a progressing cavity pump (partially restreched stator) |
| 01/26/2005 | EP1499810A2 Hydraulic motor for use in high-pressure environment |
| 01/26/2005 | CN2674154Y Straight claw rotator vacuum pump |
| 01/26/2005 | CN1570396A Dried mixed mortar spraying screw-spindle pump rotor, special-purpose tool for making the rotor and method for manufacture thereof |
| 01/25/2005 | US6847140 Fluid barrier for motor rotor |
| 01/20/2005 | WO2005005836A1 Volume screw machine of rotary type |
| 01/20/2005 | WO2005005835A1 Internal gear pump and inner rotor of the pump |
| 01/20/2005 | WO2005005834A1 Gear pump having optimal axial play |
| 01/20/2005 | WO2005005782A1 A hydraulic machine |
| 01/20/2005 | US20050013720 Rotary pump |
| 01/20/2005 | US20050012387 Electric powered pump |
| 01/20/2005 | US20050011642 Stuffing box for progressing cavity pump drive |
| 01/20/2005 | DE102004030481A1 Pump used as a lubricant oil pump for an internal combustion engine comprises a rotating group located within a pot-shaped aluminum housing arranged on the cover of a crankshaft housing and surrounded by a pot-shaped sheet metal cover |
| 01/20/2005 | DE102004030478A1 Vane cell pump for circulating lubricating oil has ten equispaced vanes in slots in rotor engaging inside surface of fixed housing with rising and falling regions separated by circular regions |
| 01/20/2005 | DE102004030475A1 Vane cell oil pump for transmission with gears has fixed housing and rotating group including side plate inside housing with seals to prevent fluid leaking along shaft |
| 01/19/2005 | EP1498609A2 Trochoidal oil pump |
| 01/19/2005 | EP1497537A1 Hydraulic motor |
| 01/19/2005 | CN1185403C Gear mechanism |
| 01/18/2005 | US6843436 Chopper pump |
| 01/18/2005 | US6843235 Fuel supply unit |
| 01/13/2005 | WO2005003564A1 Vane pump |
| 01/13/2005 | WO2005003562A1 Vane pump |
| 01/13/2005 | US20050008509 Direct drive linear flow blood pump |
| 01/13/2005 | US20050008508 Vane pump having a pressure compensating valve |
| 01/13/2005 | US20050005599 Hydraulic system having a variable displacement pump |
| 01/13/2005 | DE10327321A1 Als G-Rotorpumpe ausgebildete Verdrängerpumpe As G-rotor pump designed displacement |
| 01/12/2005 | EP1496257A2 Screw rotor pump |
| 01/12/2005 | EP1496253A1 Oil pump drive for a vehicle |
| 01/12/2005 | EP1495229A1 Internal gear pump with recesses on the gear bearing surfaces |
| 01/12/2005 | EP1328729A4 Improved engine prelubrication pump assembly |
| 01/12/2005 | CN2670631Y Multi-layer pump of assembled artificial fiber spinning |
| 01/12/2005 | CN1563780A Machine oil pump of I.C. engine |
| 01/12/2005 | CN1563721A Intemally-closed slide self-sucking pump |
| 01/12/2005 | CN1563674A Noncircular gear planetary gear train hydraulic motor |
| 01/12/2005 | CN1184422C Double speed motor with forced circulation |
| 01/11/2005 | CA2322303C Progressive cavity pump with meltable stator |
| 01/06/2005 | WO2005001293A1 Sintered metal rotor of a rotary piston pump |
| 01/06/2005 | WO2005001290A1 Pump |
| 01/06/2005 | WO2005001289A2 Vane-cell pump or a roll-cell pump |
| 01/06/2005 | WO2005001246A1 Pump that is integrated into an internal combustion engine |
| 01/05/2005 | EP1493926A2 Method for manufacturing an internal gear pump |
| 01/05/2005 | DE102004028127A1 Fuel injection pump for internal combustion engine e.g. diesel engine, having pump drive shaft protected inside casing which has section that absorbs angle misalignment arising due to pumping force or in course of manufacturing process |
| 01/05/2005 | CN2669209Y Optical-fiber oil-cream degasifying heating device |
| 01/05/2005 | CN2668892Y Twin-screw pump |
| 01/05/2005 | CN2668891Y Improved axial-sealed compensative gear pump |
| 01/05/2005 | CN1560476A Oil production system with electric oil-submersible dule screw rod pump |
| 01/05/2005 | CN1183342C Internal geared wheels of shaft drive |
| 01/05/2005 | CN1183330C Vortex type compressor |
| 01/04/2005 | US6837689 Rotary vane pump |
| 01/04/2005 | US6837688 Overheat protection for fluid pump |
| 12/30/2004 | US20040265153 Fluid pump/generator with integrated motor and related stator and rotor and method of pumping fluid |