| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 08/03/2011 | CN102141038A 叶片泵 Vane pump |
| 08/03/2011 | CN102141037A High-pressure hydraulic pressure vane pump |
| 08/03/2011 | CN102141036A High-pressure gear pump with rectangular oil inlet |
| 08/03/2011 | CN102141035A High-pressure gear pump with intermediate-pressure bearing lubrication |
| 08/03/2011 | CN101463812B Composite transmission fluid-transportation supercharging pump |
| 08/03/2011 | CN101443556B Stator casing for eccentric worm pumps |
| 08/02/2011 | US7988436 Vane machine |
| 08/02/2011 | US7988434 Compressor having capacity modulation system |
| 08/02/2011 | US7988433 Compressor having capacity modulation assembly |
| 08/02/2011 | US7988432 Rotary compressor for changing compression capacity |
| 08/02/2011 | US7988431 Capacity-variable rotary compressor |
| 08/01/2011 | CA2692995A1 A system and method for induction heating a helical rotor using a coil |
| 07/28/2011 | US20110182761 Stator for use in helicoidal motor |
| 07/28/2011 | US20110182760 Adjustable rotary pump with reduced wear |
| 07/28/2011 | DE102010005900A1 Hydraulische Zahnradmaschine Hydraulic gear machine |
| 07/27/2011 | EP2347105A2 Rotary pump for a vehicle |
| 07/27/2011 | CN201908832U Composite-vane pump |
| 07/27/2011 | CN201908831U Gear pump with three gears |
| 07/27/2011 | CN102135096A External driving transmission structure for eccentric dual-rotor pump |
| 07/27/2011 | CN102135095A Eccentric birotor pump |
| 07/27/2011 | CN102135094A Helical gear steering pump |
| 07/27/2011 | CN102135093A Linear conjugate internal gearing gear pump |
| 07/27/2011 | CN101490420B Vane pump for pumping hydraulic fluid |
| 07/26/2011 | US7985055 Dual rotor oil pump of an engine with balance weight arrangement |
| 07/21/2011 | WO2011087457A1 Fixed vane assembly |
| 07/21/2011 | DE102010000947A1 Flügelzellenpumpe Vane pump |
| 07/21/2011 | DE102010000923A1 Stator für eine Exzenterschneckenpumpe Stator for an eccentric |
| 07/21/2011 | DE102006004311B4 Hydrauliksystem mit einem Volumenstromregelventil Hydraulic system with a flow control valve |
| 07/21/2011 | CA2786559A1 Formed seal ring for a liquid gas separating element |
| 07/20/2011 | EP2235374B1 Variable-volume internal gear pump |
| 07/20/2011 | CN201902324U Low-noise power steering pump |
| 07/20/2011 | CN201902323U Marine high-speed cycloid gear pump |
| 07/20/2011 | CN102132043A Generation and use of high pressure air |
| 07/20/2011 | CN101624978B Metering pump with special-shaped cavity |
| 07/20/2011 | CN101614204B Liquid conveyer with blades |
| 07/20/2011 | CN101560975B Variable displacement vane pump |
| 07/20/2011 | CN101440803B Variable displacement pump |
| 07/20/2011 | CN101368562B Variable-capacity impeller pump |
| 07/19/2011 | US7980837 Self-aligning rotary pistone machine |
| 07/19/2011 | US7980836 Modular multi-rotor compressor and method of manufacture |
| 07/19/2011 | CA2601492C Progressive cavity pump (pcp) drive head stuffing box with split seal |
| 07/14/2011 | WO2011031766A3 Optimized discharge port for scroll compressor with tip seals |
| 07/14/2011 | WO2010125142A3 Screw pump comprising spindles provided with sets of profiled sections having different pitches |
| 07/14/2011 | WO2010119141A3 Control of the vanes of a vane machine |
| 07/14/2011 | US20110171051 Rotary engine swing vane apparatus and method of operation therefor |
| 07/14/2011 | DE102010005072A1 High pressure internal gear pump has multi-part pump housing which defines pump chamber that has low pressure area, pressure build-up area and high pressure area |
| 07/13/2011 | CN201896742U Oil pump of safety regulating valve |
| 07/13/2011 | CN201896741U Oil pump of automobile automatic transmission |
| 07/13/2011 | CN102124227A Ring seals for screw pump rotors |
| 07/13/2011 | CN102121471A high-pressure large-displacement automobile power steering pump supplying oil from rear end |
| 07/12/2011 | US7976297 Gear pump including introduction paths and return paths |
| 07/12/2011 | US7976296 Scroll compressor having capacity modulation system |
| 07/12/2011 | US7976295 Compressor having capacity modulation system |
| 07/12/2011 | CA2677429C Gas restrictor for horizontally oriented pump |
| 07/07/2011 | WO2011012350A3 Internal gear pump comprising a reluctance electric motor |
| 07/07/2011 | US20110165010 Vane pump |
| 07/07/2011 | US20110165003 Pumping System And A Method For Pumping Fluids |
| 07/06/2011 | EP2341250A2 Dispenser with self closing dispensing valve and peristaltic pump |
| 07/06/2011 | CN201891602U Fluid metering pump of pouring machine |
| 07/06/2011 | CN201891601U Internal meshing gear oil pump |
| 07/06/2011 | CN102116289A Vane pump |
| 07/06/2011 | CN101672275B Swinging-bucket type rotor pump |
| 07/06/2011 | CN101509486B Liquid transmission pump |
| 07/05/2011 | US7972126 Power steering system hydraulic pump |
| 07/05/2011 | US7972125 Compressor having output adjustment assembly including piston actuation |
| 06/30/2011 | WO2011078850A1 System and method for providing a continuous flow of catalyst into a polyolefin reactor |
| 06/30/2011 | WO2011077230A2 Supercharger timing gear oil pump |
| 06/30/2011 | WO2011077209A2 A geared hydraulic machine |
| 06/30/2011 | WO2011076172A2 Hydraulic control |
| 06/30/2011 | US20110158841 Screw Pump with Anti-Turbulent Structure |
| 06/29/2011 | EP2337928A2 Pump, particularly vane-type pump |
| 06/29/2011 | CN201884279U Variable-displacement power steering pump |
| 06/29/2011 | CN201884278U High-temperature, high-pressure double gear pump |
| 06/29/2011 | CN201884277U 高压齿轮油泵 High-pressure gear pump |
| 06/29/2011 | CN201884276U Dual-rotor rotary displacement pump |
| 06/29/2011 | CN201884275U Herringbone gear for high-pressure water pumps |
| 06/29/2011 | CN201884274U Gear pump |
| 06/29/2011 | CN201884273U Pressure maintaining type gear pump |
| 06/28/2011 | US7967586 Method for manufacturing trochoid pump and trochoid pump obtained |
| 06/28/2011 | US7967585 Method for manufacturing trochoid pump and trochoid pump obtained |
| 06/28/2011 | US7967580 Oil pump for an internal combustion engine |
| 06/23/2011 | WO2011074477A1 Gear pump |
| 06/23/2011 | WO2011073852A1 Core for moulds for casting |
| 06/23/2011 | WO2011073787A2 Cam bearing flow control for rotating cam ring vane pump |
| 06/23/2011 | US20110150687 Progressive cavity pump with inner and outer rotors |
| 06/23/2011 | US20110150686 Progressive cavity hydraulic machine |
| 06/23/2011 | US20110150685 Stator to Housing Lock in a Progressing Cavity Pump |
| 06/23/2011 | CA2784629A1 Cam bearing flow control for rotating cam ring vane pump |
| 06/22/2011 | EP2336590A2 Pump aggregate for a double clutch transmission of a motor vehicle |
| 06/22/2011 | EP2336566A1 Rolling bearing arrangement |
| 06/22/2011 | EP2336565A1 Electric pump unit |
| 06/22/2011 | DE102010008062B3 Zahnringpumpe Annular gear pump |
| 06/22/2011 | CN201874813U Energy-saving hydraulic steering pump |
| 06/22/2011 | CN201874812U Cam type double-rotor pump |
| 06/22/2011 | CN201874811U Gear pump with built-in check valve |
| 06/22/2011 | CN201874810U Carbon black feeding pump |
| 06/22/2011 | CN102105691A PD pumps with a common gearbox module and varying capacities and varying capacities and easy access to mechanical seals |
| 06/22/2011 | CN102102667A Direct-connected integrated gear pump |
| 06/22/2011 | CN101672274B Easily-installed adjustable type underground double-screw gas-liquid mixed pumping pump |
| 06/21/2011 | US7963754 Hydraulic machine |