| Patents for F04C 15 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups (7,179) |
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| 08/17/2011 | CN102155293A Super Wankel stator cavity self-cam fixed-length straight or arc combined blade rotor variable volume system |
| 08/17/2011 | CN101566151B Variable displacement vane pump |
| 08/17/2011 | CN101054973B Blade type pump |
| 08/11/2011 | WO2011096260A1 Oil pump |
| 08/11/2011 | WO2010092447A3 Wear resistant sliding plates for an external gear pump |
| 08/11/2011 | US20110194967 Variable displacement pump, oil jet and lublicating system using variable displacement pump |
| 08/10/2011 | EP2354551A2 Hydraulic gear wheel machine with axial force compensation |
| 08/10/2011 | CN102146917A Air vent structure of oil pump of automatic transmission |
| 08/09/2011 | US7993119 Vane pump and vapor leakage check system having the same |
| 08/04/2011 | WO2011093130A1 Sealing device, and pump device using same |
| 08/04/2011 | WO2011091537A1 A system and method for induction heating a helical rotor using a coil |
| 08/04/2011 | US20110190986 Working fluid medium temperature control system and method |
| 08/03/2011 | EP2351933A1 Waste water transport device with an eccentric screw pump hydraulic |
| 08/03/2011 | CN201916190U 电动泵 Electric pump |
| 08/03/2011 | CN102141035A High-pressure gear pump with intermediate-pressure bearing lubrication |
| 08/03/2011 | CN101463812B Composite transmission fluid-transportation supercharging pump |
| 07/28/2011 | US20110182761 Stator for use in helicoidal motor |
| 07/27/2011 | CN201908834U Forced lubricating system for electric screw pump |
| 07/27/2011 | CN201908832U Composite-vane pump |
| 07/21/2011 | US20110174010 Progressive cavity compressor |
| 07/20/2011 | CN201902326U Pressure-holding type combined pump |
| 07/20/2011 | CN201902325U Single-screw pump |
| 07/20/2011 | CN101614204B Liquid conveyer with blades |
| 07/20/2011 | CN101560975B Variable displacement vane pump |
| 07/20/2011 | CN101368562B Variable-capacity impeller pump |
| 07/19/2011 | CA2601492C Progressive cavity pump (pcp) drive head stuffing box with split seal |
| 07/14/2011 | US20110171054 Rotary device |
| 07/14/2011 | US20110171051 Rotary engine swing vane apparatus and method of operation therefor |
| 07/14/2011 | DE102010035597A1 Lageranordnung für eine Pumpe Bearing assembly for a pump |
| 07/13/2011 | CN201896941U Sealing gasket and torque measuring pump comprising same |
| 07/13/2011 | CN201896744U Stator locking device for large-torque pump |
| 07/13/2011 | CN201896743U Anti-rotation device with press plates for high-torque pump stator |
| 07/13/2011 | CN102124227A Ring seals for screw pump rotors |
| 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 | US20110165008 Device for branching off a fluidic partial flow |
| 07/07/2011 | US20110165007 Rotary engine vane head method and apparatus |
| 07/06/2011 | CN201891605U Inner pump cover rotor oil pump arranged on back of pump cover |
| 07/06/2011 | CN201891604U Annular-hole oil discharge valve oil pump |
| 07/06/2011 | CN102116289A Vane pump |
| 07/06/2011 | CN101672275B Swinging-bucket type rotor pump |
| 06/30/2011 | US20110158837 Rotary engine vane apparatus and method of operation therefor |
| 06/29/2011 | CN201884274U Gear pump |
| 06/29/2011 | CN201884273U Pressure maintaining type gear pump |
| 06/23/2011 | WO2011074477A1 Gear pump |
| 06/23/2011 | US20110150685 Stator to Housing Lock in a Progressing Cavity Pump |
| 06/23/2011 | US20110150683 Rotary compressor |
| 06/23/2011 | US20110150682 Cam bearing flow control for rotating cam ring vane pump |
| 06/22/2011 | EP2336565A1 Electric pump unit |
| 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 | CN101672274B Easily-installed adjustable type underground double-screw gas-liquid mixed pumping pump |
| 06/21/2011 | CA2725958A1 Stator to housing lock in a progressing cavity pump |
| 06/16/2011 | WO2010115518A3 Grooved bearing sleeve for an externally toothed gear machine |
| 06/16/2011 | US20110142705 Rotary compressor |
| 06/16/2011 | US20110142704 Roller Bearing Assembly |
| 06/16/2011 | US20110142702 Rotary engine vane conduits apparatus and method of operation therefor |
| 06/15/2011 | EP1540174B1 Cam ring bearing for fuel delivery system |
| 06/15/2011 | CN201865912U Spherical head universal joint and single-screw pump using same |
| 06/15/2011 | CN201865910U External gear pump with radial compensation floating slips |
| 06/15/2011 | CN201865908U Gear pump without flow distribution and trapped oil |
| 06/15/2011 | CN102094818A Stator of automobile power steering pump and method for designing stator curve |
| 06/15/2011 | CN102094816A Master and auxiliary pump |
| 06/15/2011 | CN102094814A Hydraulic power steering gear pump for vehicle for mine |
| 06/15/2011 | CN102094812A Power takeoff gear pump |
| 06/15/2011 | CN101619720B Method for processing graphite stator of vane pump |
| 06/14/2011 | CA2612326C Progressing cavity pump assembly and method of operation |
| 06/08/2011 | CN102086864A Low noise type balance shaft module |
| 06/08/2011 | CN102086863A Electric-motor-driven oil pump |
| 06/08/2011 | CN102086862A Anti-turbulent flow structure of spiral pump |
| 06/07/2011 | US7955063 Vane pump |
| 06/02/2011 | CA2687649A1 Containment cup for a pumping assembly |
| 06/01/2011 | EP2326843A2 Device for branching off a fluidic partial flow |
| 06/01/2011 | DE102009056010A1 Flügelzellenpumpe Vane pump |
| 06/01/2011 | CN201851354U Vertical three-screw pump |
| 06/01/2011 | CN201851353U High-temperature three-screw pump |
| 06/01/2011 | CN102080652A Electric pump and electric pump mounting structure |
| 05/31/2011 | US7950914 Braze or solder reinforced Moineau stator |
| 05/31/2011 | US7950913 Seal system and scroll type fluid machine |
| 05/26/2011 | US20110123378 Screw Pump Rotor and Method of Reducing Slip Flow |
| 05/26/2011 | DE102009047153A1 Pump i.e. rotary vane pump, for conveying e.g. fluid, has housing body and/or feeding body comprising region, which is provided for contact with fluid, formed with carbon fiber reinforced silicon carbide material |
| 05/25/2011 | EP2324246A1 Ring seals for screw pump rotors |
| 05/25/2011 | CN201843780U Reverse circular arc type external rotor of internal gear pump |
| 05/25/2011 | CN102076972A Rotor assembly for rotary compressor |
| 05/25/2011 | CN102072148A Vane pump |
| 05/19/2011 | WO2011057348A1 Improved fluid compressor and/or pump arrangement |
| 05/19/2011 | WO2011057345A1 Fluid compressor or pump apparatus |
| 05/18/2011 | EP2322803A2 Pump with a magnetic coupling |
| 05/18/2011 | EP2322760A1 Wankel rotary engine |
| 05/18/2011 | CN201836049U Expanding tire |
| 05/18/2011 | CN201836048U Gear used on oil pump |
| 05/18/2011 | CN201836047U Improved twin-screw pump lubricating oil injection device |
| 05/18/2011 | CN201836046U Automobile hydraulic power steering vane pump |
| 05/18/2011 | CN201836044U Novel hydraulic gear pump |
| 05/18/2011 | CN102062089A Method for machining full metal screw pump stator |
| 05/18/2011 | CN102062088A Two-screw multiphase pump device suitable for working condition with high air void |
| 05/18/2011 | CN101379296B Variable displacement variable pressure vane pump system |
| 05/17/2011 | US7942567 Extruder system with integrated gear pump |
| 05/12/2011 | WO2010132154A3 Seal system for gear pumps |
| 05/11/2011 | CN201827073U Novel shaft sleeve for melt-stoichiometry gear pump |