| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 08/29/2013 | US20130224053 Coaxial progressive cavity pump |
| 08/28/2013 | CN203161525U Noise-reduction inner gear oil supply pump |
| 08/28/2013 | CN203161524U Internal gear pump |
| 08/28/2013 | CN103270307A Scroll compressor with split type fixed scroll |
| 08/28/2013 | CN102352840B Screw rotor end face profile pair and construction method thereof |
| 08/28/2013 | CN102155403B Phase adjustment method of gear rotors in melt gear pump |
| 08/28/2013 | CN102135096B External driving transmission structure for eccentric dual-rotor pump |
| 08/28/2013 | CN101473139B Moineau pump |
| 08/27/2013 | US8517706 Non-eccentric engine |
| 08/27/2013 | US8517704 Compressor having capacity modulation system |
| 08/27/2013 | US8517703 Compressor including valve assembly |
| 08/27/2013 | CA2712364C Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle |
| 08/22/2013 | WO2013013883A3 Gearbox pump |
| 08/22/2013 | WO2013013879A3 Gear pump and method for operating a gear pump |
| 08/22/2013 | US20130216419 Vane pump |
| 08/22/2013 | US20130216418 Screw compressor |
| 08/22/2013 | US20130216416 Scroll Compressor |
| 08/22/2013 | US20130216414 Volume ratio control system and method |
| 08/22/2013 | DE102013101185A1 Drehkolbenpumpe Rotary pump |
| 08/22/2013 | DE102012003287A1 Drehkolben Rotary piston |
| 08/22/2013 | DE102012003151A1 Internal gear pump for use in motor vehicle, has housing comprising inlet and outlet for fluid to be delivered, where housing is arranged with latching element through which two pump stages are connected with each other |
| 08/22/2013 | DE102012002816A1 Schraubenspindelpumpe Screw Pump |
| 08/21/2013 | EP2628954A1 Oil supply device |
| 08/21/2013 | EP2628953A2 Screw spindle pump |
| 08/21/2013 | EP2628952A1 A hydraulic transmission system |
| 08/21/2013 | EP2628951A1 A gerotor device |
| 08/21/2013 | CN203146319U Vehicle hydraulic vane pump motor and switching control hydraulic system thereof |
| 08/21/2013 | CN203146318U Improved impeller pump |
| 08/21/2013 | CN203146317U 齿轮计量泵 Gear metering pump |
| 08/21/2013 | CN203146316U Energy-saving two-screw pump |
| 08/21/2013 | CN203146315U Double-spiral delivery pump |
| 08/21/2013 | CN203146314U Screw pump |
| 08/21/2013 | CN203146313U Internally-meshed gear pump |
| 08/21/2013 | CN203146312U Fuel oil delivery pump |
| 08/21/2013 | CN203146311U Internal mesh gear pump |
| 08/21/2013 | CN103261695A Scroll compressor with split type orbiting scroll |
| 08/21/2013 | CN103261692A Vane pump |
| 08/21/2013 | CN103256218A Internal meshing gear type fuel delivery pump |
| 08/21/2013 | CN101825085B Variable-volume type multi-chamber hydraulic water pump |
| 08/21/2013 | CN101377235B Transmission with gear wheel pump |
| 08/21/2013 | CN101240795B 螺杆泵转子和减小滑流的方法 Screw rotor and method of reducing the slipstream |
| 08/20/2013 | US8512019 Screw compression apparatus |
| 08/20/2013 | US8512018 Gear pump with pressure relief groove |
| 08/20/2013 | US8512016 Positive-displacement dry pump |
| 08/20/2013 | CA2647372C A rotary displacement pump with space-saver radial |
| 08/15/2013 | WO2013117486A1 Pumps |
| 08/15/2013 | WO2012055036A8 Submersible progressive cavity pump driver |
| 08/15/2013 | US20130209303 Scroll compressor |
| 08/15/2013 | US20130209302 Oil pump |
| 08/15/2013 | US20130209301 Radial piston machine and piston for a radial piston machine of this type |
| 08/15/2013 | US20130209300 Rotary lobe pump and rotary lobes |
| 08/14/2013 | EP2626511A2 Dual spindle helical spindle pump with a dual-entry design |
| 08/14/2013 | EP2625428A1 Dual outlet pump |
| 08/14/2013 | EP2625426A2 Internal gear pump with integrated electrical motor |
| 08/14/2013 | CN203130496U Hydraulic pump and hydraulic motor formed by cycloid roller planetary transmission |
| 08/14/2013 | CN203130495U Gear pump with adjustable output volume |
| 08/14/2013 | CN203130494U Large-helical-angle small-bottom-clearance high-parameter helical gear pump |
| 08/14/2013 | CN203130493U High-pressure bilateral rotation gear pump |
| 08/14/2013 | CN203130492U Double gear pump |
| 08/14/2013 | CN203130491U Gear pump with overflow valve |
| 08/14/2013 | CN203130490U Gear pump |
| 08/14/2013 | CN203130489U Conjoined gear pump |
| 08/14/2013 | CN203130488U Cam wheel rotor pump |
| 08/14/2013 | CN103249951A Metering pump or segment, and metering pump assembly comprising a plurality of metering pumps or segments |
| 08/14/2013 | CN103244409A Brushless motor roller pump |
| 08/14/2013 | CN103244408A Electric oil pump system |
| 08/14/2013 | CN102192142B Annular air bag compensation sealing four-space rotor pump |
| 08/14/2013 | CN102094813B Gear pump with asymmetric combined curved surface tooth form |
| 08/13/2013 | US8506271 Scroll machine having axially biased scroll |
| 08/13/2013 | US8506269 Low noise type balance shaft module |
| 08/13/2013 | CA2618729C Pump housing |
| 08/08/2013 | WO2012171608A3 Pump |
| 08/08/2013 | US20130202474 Rotary piston pump |
| 08/08/2013 | US20130202473 Two-Spindle Screw Pump of Double-Flow Construction |
| 08/08/2013 | US20130202472 Oval Chamber Vane Pump |
| 08/08/2013 | US20130202468 Oval Chamber Vane Pump |
| 08/07/2013 | EP2623784A2 Electric oil pump system |
| 08/07/2013 | CN203114620U Deflection sheet assembly of inside-engaged gear device |
| 08/07/2013 | CN203114619U High-temperature plastic single-suction dual screw pump |
| 08/07/2013 | CN203114618U Low-viscosity high-pressure delivery double-screw pump |
| 08/07/2013 | CN203114617U Roots rotor pump with spiral replaceable stator guard plate |
| 08/07/2013 | CN203114616U High-pressure fluid multiphase pump with floating impeller structure |
| 08/07/2013 | CN203114615U Novel whole sealing delivery pump |
| 08/07/2013 | CN203114614U Totally closed delivery pump |
| 08/07/2013 | CN103237989A Oil supply device |
| 08/07/2013 | CN103237988A Internal gear pump |
| 08/07/2013 | CN103233891A Rotary cam ring fluid machine |
| 08/07/2013 | CN102251963B Composite impeller type water pump |
| 08/07/2013 | CN101828037B Internal gear pump |
| 08/06/2013 | US8500424 Screw compressor with a sound dampening device that separates lubricant |
| 08/01/2013 | WO2012094460A3 Pressure compensation system for an oil-sealed mud motor bearing assembly |
| 08/01/2013 | WO2011150917A3 Vane pump |
| 08/01/2013 | WO2011141165A3 Lubricant gear pump and control piston |
| 08/01/2013 | DE102012201299A1 Pumpe mit Elektromotor Pump with electric motor |
| 08/01/2013 | DE102012100702A1 Pump e.g. roller vane pump for supplying fluid to power steering of motor vehicle, has return port that is opened tangentially in annular suction channel |
| 08/01/2013 | DE102012006025B3 Bolzengelenk für Exzenterschneckenpumpe Bolt joint for Progressive Cavity Pump |
| 08/01/2013 | DE102012005949A1 Zweispindelige Schraubenspindelpumpe in zweiflutiger Bauweise Two-Screw pump in twin-scroll design |
| 08/01/2013 | DE102012001700A1 Zweispindelige Schraubenspindelpumpe in einflutiger Bauweise Two-Screw pump single flow design |
| 08/01/2013 | DE102012001699A1 Single-flow structure type two-spindle screw pump comprises fastening element with bores, which are designed such that gear wheel and fastening element are rotatable against each other and flank clearance of feed screws is adjusted |
| 08/01/2013 | DE102012001617A1 Conveying device e.g. spindle pump, for conveying e.g. fluid in food industry, has reservoir, inlet, outlet, rotor and stator, where reservoir is designed recess- and/or projection-free manner, and sealing unit cooled by washable mediums |