| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 03/25/2009 | CN201212531Y Clutch type gear oil pump device |
| 03/25/2009 | CN201212475Y Cavity-rotating pump |
| 03/25/2009 | CN201212474Y High viscosity polymer melt pump |
| 03/25/2009 | CN201212473Y Labour saving multiphase pump |
| 03/25/2009 | CN101392747A Variable displacement pump |
| 03/25/2009 | CN100472067C Trochoidal oil pump |
| 03/25/2009 | CN100472032C Two-lobe rotary machine |
| 03/20/2009 | CA2621041A1 Enclosed circulation tool for a well |
| 03/19/2009 | WO2009034430A1 Rotary internal combustion engine or pump |
| 03/19/2009 | WO2009034176A1 Scr system and method for the purging thereof |
| 03/19/2009 | WO2009033526A1 Hybrid pump for delivering a liquid pump medium |
| 03/19/2009 | US20090074602 Rotary type fluid machine |
| 03/19/2009 | US20090074601 Metal face seal assembly and machine using same |
| 03/19/2009 | US20090074600 Rotary compressor |
| 03/19/2009 | US20090074599 Stator Casing For Eccentric Worm Pumps |
| 03/19/2009 | DE102007043324A1 Method for pumping medium e.g. liquid medium, according to orbital displacer principle, to transport medium, involves providing orbital coil close to housing of coil for separating pressure side from inlet side continuously |
| 03/18/2009 | EP2035710A1 Pump |
| 03/18/2009 | EP2035709A1 Moineau type pump |
| 03/18/2009 | EP2035708A1 Moineau pump |
| 03/18/2009 | EP1252443B1 Hydraulic fluid vane pump |
| 03/18/2009 | CN201209553Y Novel steering oil pump for hydraulic steering system |
| 03/18/2009 | CN201209552Y Low flow pulsation internal gear pump |
| 03/18/2009 | CN201209551Y Perforated rotor type lubricating oil pump |
| 03/18/2009 | CN201209550Y Internal gear pump |
| 03/18/2009 | CN201209549Y Third wheel assembly for fuel pump of diesel engine |
| 03/18/2009 | CN201209548Y Diesel engine fuel pump gear |
| 03/18/2009 | CN101389406A Fluid free interface for a fluidic analyzer |
| 03/18/2009 | CN101388048A Automatic system for designing rotor of trochoid oil pump |
| 03/18/2009 | CN101387295A Double cylinder translation rotating compressing device |
| 03/18/2009 | CN101387293A Translational rotor compressor |
| 03/18/2009 | CN101387292A Variable displacement vane pump |
| 03/18/2009 | CN100470013C System for pumps, compressor, and engine structure |
| 03/17/2009 | US7503757 Oil pump having rotor receiving portion for restriction moving range of an outer rotor in a direction perpendicular to an eccentric direction |
| 03/12/2009 | WO2009033007A2 Accurate powder metal component, assembly and method |
| 03/12/2009 | WO2009031473A1 Uniaxially eccentric screw pump rotor |
| 03/12/2009 | US20090068049 Rotary equipment and oil pump |
| 03/11/2009 | EP2034185A2 Rotary equipment and oil pump |
| 03/11/2009 | EP2034184A2 Pumping Apparatus |
| 03/11/2009 | EP2032882A2 Shock valve for hydraulic device |
| 03/11/2009 | EP2032803A2 Rotor with cut-outs |
| 03/11/2009 | CN201206717Y Lubricating oil pump |
| 03/11/2009 | CN201206548Y Long life high speed gear pump |
| 03/11/2009 | CN201206547Y Flexible rotor fuel gasoline pump for pumping oil with motor positive and negative rotating |
| 03/11/2009 | CN201206546Y Vane pump |
| 03/11/2009 | CN201206545Y 13-tooth thin and long tooth type hydraulic gear pump and gear motor |
| 03/11/2009 | CN201206544Y Polygon rotor pump of planet epicyclic train |
| 03/11/2009 | CN101382135A Pumping apparatus |
| 03/11/2009 | CN100467860C Cam ring bearing for fuel delivery system |
| 03/10/2009 | US7500837 Small size gear pump |
| 03/10/2009 | US7500463 Shuba rotary internal combustion engine with rotating combustion chambers |
| 03/10/2009 | CA2394825C A rotary apparatus |
| 03/05/2009 | WO2009027136A1 Delivery unit |
| 03/05/2009 | WO2009010047A3 Spur gear-type recirculation pump |
| 03/05/2009 | WO2008079053A3 Positive-displacement machine design (variants) |
| 03/05/2009 | US20090060770 Gear pump |
| 03/05/2009 | DE202008016562U1 Sperrschieberpumpe Gate valve pump |
| 03/05/2009 | DE102007041318A1 Schaltgetriebe mit Zahnradpumpe Gearbox with gear pump |
| 03/05/2009 | DE102007040724A1 Förderaggregat Delivery unit |
| 03/04/2009 | CN201202655Y Explosion -proof type oil and gas recovery vacuum pump |
| 03/04/2009 | CN201202641Y Steering vane pump |
| 03/04/2009 | CN201202640Y Vane type steering pump spindle drive mechanism |
| 03/04/2009 | CN201202639Y Vane pump |
| 03/04/2009 | CN201202638Y Steering pump main shaft three-supporting mechanism |
| 03/04/2009 | CN201202637Y Engine oil pump |
| 03/04/2009 | CN201202636Y Pump without end cap |
| 03/04/2009 | CN201202635Y Gear type engine oil pump |
| 03/04/2009 | CN201202634Y Engine oil pump for automobile engine |
| 03/04/2009 | CN201202633Y Rotor type engine oil pump |
| 03/04/2009 | CN201202632Y Engine oil recovering device of oil pumping machine reduction box |
| 03/04/2009 | CN101379295A 齿轮泵 Gear pumps |
| 03/04/2009 | CN101377235A Transmission with gear wheel pump |
| 03/04/2009 | CN100465444C A vane pump using line pressure to directly regulate displacement |
| 03/03/2009 | US7497674 Scroll compressor having shoulder and rotation-preventing portions positioned as different phases |
| 03/03/2009 | US7497673 Scroll fluid machine having forced convection generating portion |
| 03/03/2009 | US7497672 Screw pump with increased volume of fluid to be transferred |
| 02/26/2009 | WO2009025074A1 Rotor drive mechanism and pump device |
| 02/26/2009 | WO2009024663A2 Gear pump and method of delivering fluid using such a pump |
| 02/26/2009 | WO2009024279A1 Eccentric worm pump with split stator |
| 02/26/2009 | WO2009024109A2 Control oil pump having travel-dependent oil pressure control |
| 02/26/2009 | US20090053088 Reduced Rotor Assembly Diameter Vane Pump |
| 02/26/2009 | DE102008037684A1 Verstellflügelpumpe Variable displacement |
| 02/25/2009 | EP2028372A2 Stator for an eccentric screw pump or an eccentric screw motor in accordance with the Moineau principle |
| 02/25/2009 | EP1301712B1 Monobloc housing for vacuum pump |
| 02/25/2009 | CN201198832Y Large capacity oil cavity gear oil pump |
| 02/25/2009 | CN201198831Y High pressure bidirectional cast iron gear oil pump |
| 02/25/2009 | CN201198830Y Oil pump for gear box |
| 02/25/2009 | CN101375061A Progressive cavity pump |
| 02/24/2009 | CA2344430C Rotary machine |
| 02/19/2009 | WO2009021903A1 Internal-gear pump |
| 02/19/2009 | WO2009003757A3 Gear pump arrangement |
| 02/19/2009 | DE10245497C5 Exzenterschneckenpumpe mit vergrößertem Temperaturbereich Pump with a larger temperature range |
| 02/19/2009 | DE102008037665A1 Verstellflügelpumpe Variable displacement |
| 02/19/2009 | DE102008021920A1 Eccentric spiral pump has stator of flexible material and rotor supported in stator, where stator is area wise surrounded by stator core having two stator fitting lines |
| 02/19/2009 | DE102007038524A1 Innenzahnradpumpe Internal gear pump |
| 02/18/2009 | EP2026043A2 Fluid flow modulation and measurement |
| 02/18/2009 | EP2025938A2 Device for separating interfering solid matter from biosuspensions |
| 02/18/2009 | EP2024641A1 Combined gas and liquid pump |
| 02/18/2009 | CN201196149Y Adjustable expansion device of screw pump |
| 02/18/2009 | CN201196147Y Capacity-variable gear pump |
| 02/18/2009 | CN101371045A Rotary fluid pressure device and improved parking lock assembly therefor |