| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 03/04/2010 | WO2009146448A3 Variable output fluid pump system |
| 03/04/2010 | US20100054979 Positive-displacement machine design (variants) |
| 03/04/2010 | US20100054976 Eccentric screw pump |
| 03/04/2010 | DE102008045440A1 Rotary piston for use in rotary piston pump for conveying fibrous material, has radial sealing area laminarly designed as cylinder barrel section surface, and linear recess arranged in radial and axial sealing areas |
| 03/04/2010 | DE102008039973A1 Exzenterschneckenpumpe Cavity Pump |
| 03/03/2010 | CN201416543Y Vane-type automobile dynamic steering pump |
| 03/03/2010 | CN201416542Y High pressure gear oil pump |
| 03/03/2010 | CN201416541Y Eccentric rotor type oil pump |
| 03/03/2010 | CN201416540Y Hydraulic gear pump machine set |
| 03/03/2010 | CN201416539Y Three-screw silica gel pump |
| 03/03/2010 | CN201416538Y Oil-immersed type screw pump |
| 03/03/2010 | CN201416537Y Light gear type power steering oil pump |
| 03/03/2010 | CN201416508Y Controllable wheel trough sluggish flow type water wheel/water pump machine |
| 03/03/2010 | CN101660525A Translatory ring rotor pump |
| 03/03/2010 | CN101660524A Vortex pump with unchanged direction of conjunction line and translatory ring pump |
| 03/02/2010 | US7670121 Spherical fluid machines |
| 03/02/2010 | US7670120 Scroll-type refrigerant compressor having fluid communication between lubrication duct and return duct |
| 03/02/2010 | US7670119 Multistage vacuum pump and a pumping installation including such a pump |
| 03/02/2010 | US7669586 Vented gear drive assembly for a supercharger |
| 03/02/2010 | US7669577 Gerotor and method of assembling the same |
| 02/25/2010 | WO2010021550A1 A progressive cavity pump with inner and outer rotors |
| 02/25/2010 | WO2010021549A1 Outer rotor of a progressing cavity pump having an inner and an outer rotor |
| 02/25/2010 | WO2009148884A3 Screw compressor with asymmetric ports |
| 02/25/2010 | US20100047104 Fluid machine |
| 02/25/2010 | US20100047102 Gear pump with reduced pressure pulsations on the pumping side |
| 02/24/2010 | EP2156055A1 Pump assembly for synchronous pressurization of two fluid columns |
| 02/24/2010 | CN201412330Y vane pump/motor |
| 02/24/2010 | CN201412329Y Hydraulic vane pump rotor |
| 02/24/2010 | CN201412328Y Oil pump of auto motor |
| 02/24/2010 | CN201412327Y Hydraulic circular truncated cone gear pump |
| 02/24/2010 | CN201412326Y Double-motor hydraulic pump |
| 02/24/2010 | CN201412325Y Slippage pump used for gearbox of 2-3.5 ton fork truck |
| 02/24/2010 | CN201412246Y External electric fuel pump |
| 02/24/2010 | CN101657643A Gear wheel pump |
| 02/24/2010 | CN101655088A Self-priming vane pump |
| 02/24/2010 | CN101655087A Gear oil pump with low noise |
| 02/18/2010 | WO2010019337A1 Ring seals for screw pump rotors |
| 02/18/2010 | WO2010017795A2 Pump unit |
| 02/18/2010 | WO2010017700A1 Vane pump/motor |
| 02/18/2010 | US20100040498 Rotor drive mechanism, eccentric shaft sealing structure, and pump apparatus |
| 02/18/2010 | US20100037849 Oil Cooler Oil Pump Assembly for an Internal Combustion Engine |
| 02/18/2010 | DE102008038766A1 Hydraulische Zahnradmaschine Hydraulic gear machine |
| 02/17/2010 | EP2154374A2 Hydraulic gear wheel machine |
| 02/17/2010 | EP2154372A1 Gear pump |
| 02/17/2010 | CN201407172Y Food pump with vanes |
| 02/17/2010 | CN201407171Y Pump |
| 02/17/2010 | CN201407170Y Variable gear wheel pump |
| 02/17/2010 | CN201407169Y Multi-plane seal integrated oil pump |
| 02/17/2010 | CN101649835A Method capable of improving rated working pressure of cam rotor vane pump |
| 02/16/2010 | US7661939 Drive shaft for a compressor |
| 02/16/2010 | CA2375344C Dosing device adapted for dispensing a concentrate from a holder in a metered manner |
| 02/11/2010 | WO2010016473A1 Internal gear pump rotor, and internal gear pump using the rotor |
| 02/11/2010 | US20100034680 Rotary Piston Machine |
| 02/11/2010 | DE102008036511A1 Eccentric spiral pump has stator and rotor which rotates eccentrically to stator, and rotor has less number of teeth than stator, where rotor and stator are partially or completely made of metal or metal alloy |
| 02/11/2010 | DE102006021971B4 Flügelzellenpumpe Vane pump |
| 02/10/2010 | EP2151576A2 Variable capacity vane pump |
| 02/10/2010 | EP2150702A1 Variable displacement dual vane pump |
| 02/10/2010 | CN201401320Y Self-discharging car high-pressure wheel pump |
| 02/10/2010 | CN101644257A Variable capacity vane pump |
| 02/04/2010 | WO2010013625A1 Oil pump |
| 02/04/2010 | WO2010013354A1 Gear pump |
| 02/04/2010 | WO2010012993A2 Pump |
| 02/04/2010 | WO2010012621A2 Vane pump |
| 02/04/2010 | WO2010012607A2 Oil pump of an automatic motor vehicle transmission |
| 02/04/2010 | US20100028181 Vane pump for pumping hydraulic fluid |
| 02/04/2010 | US20100028172 Vehicle Transmission with Fluid Pump Having a Recirculation Circuit |
| 02/04/2010 | DE102008036327A1 Flügelzellenpumpe Vane pump |
| 02/04/2010 | DE102004002076B4 Flügelzellenpumpe Vane pump |
| 02/03/2010 | EP2149707A2 Fuel pumping system |
| 02/03/2010 | CN201396276Y Hydraulic vane motor |
| 02/03/2010 | CN201396275Y Special on-vehicle pump for methane project |
| 02/03/2010 | CN201396274Y Variable gear pump |
| 02/03/2010 | CN201396273Y Novel ultra-high pressure gear oil pump |
| 02/03/2010 | CN201396272Y Quantitative filling pump with accurate metering and easy cleaning |
| 02/03/2010 | CN101639064A Conversion device of mechanical motion and fluid motion |
| 02/03/2010 | CN101639063A Gear type oil pump |
| 02/03/2010 | CN100587270C Pump apparatus and power steering device |
| 02/02/2010 | US7654806 External toothed wheel pump comprising a relieving pocket |
| 02/02/2010 | US7654804 Fluid displacement apparatus having pressure sensing device |
| 02/02/2010 | CA2375351C Dosing device adapted for dispensing a concentrate from a holder in a metered manner |
| 01/28/2010 | WO2010009603A1 A translatory rotary compression device |
| 01/28/2010 | DE202009014604U1 Schraubenspindelpumpe mit Kupplung Screw pump with coupling |
| 01/28/2010 | DE102009028004A1 Schraubenpumpe Screw pump |
| 01/27/2010 | CN201391446Y Gear oil pump |
| 01/27/2010 | CN101636587A Rotary vane machine |
| 01/27/2010 | CN101636586A Lubricating pinion and lubricating device |
| 01/27/2010 | CN101634297A Screw pump |
| 01/27/2010 | CN100584615C Pump and ink jet printer |
| 01/26/2010 | US7650871 Rotary compressor and expander, and rotary engine using the same |
| 01/24/2010 | CA2638236A1 Method and machine for producing a rotor of an eccentric screw pump |
| 01/21/2010 | WO2010008457A2 Automatic volume ratio variation for a rotary screw compressor |
| 01/21/2010 | WO2010007864A1 Vane pump |
| 01/21/2010 | WO2010006705A2 Variable displacement pump comprising a flow rate regulator and a pressure valve |
| 01/21/2010 | US20100015001 Vane pump |
| 01/20/2010 | EP2146096A2 Vane pump |
| 01/20/2010 | EP2145110A2 A painting apparatus |
| 01/20/2010 | EP1948935B1 Pump |
| 01/20/2010 | CN201386651Y Load balancing bearing support device for inside gearing gear pump |
| 01/20/2010 | CN201386650Y Efficient thick oil pump |
| 01/20/2010 | CN101629568A Vane pump |