| 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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| 03/27/2013 | CN102996436A Circulating type volume increasing or decreasing device for each single sealed cavity of three-rotor blade pump or motor |
| 03/27/2013 | CN102994887A Preparation method of rotor material of cam rotor pump |
| 03/27/2013 | CN101443554B 旋转活塞机械 Rotary piston machine |
| 03/21/2013 | WO2013039770A1 Gerotor pump assembly and engine fluid delivery system using a gerotor pump assembly |
| 03/21/2013 | WO2013037540A1 Pump, in particular oil pump for an internal combustion engine |
| 03/21/2013 | WO2013037535A1 Gear pump and method for producing a gear pump |
| 03/21/2013 | WO2013037534A1 Pump comprising an electric motor |
| 03/21/2013 | WO2011124213A3 Rotary piston pump and method for operating a rotary piston pump |
| 03/20/2013 | CN202812084U Gear structure of hydraulic pump |
| 03/20/2013 | CN202811886U Universal shaft transmission mechanism for single-screw pump |
| 03/20/2013 | CN202811356U Spinning delivery pump |
| 03/20/2013 | CN202811355U Spindle |
| 03/20/2013 | CN202811354U Rubbing clapboard |
| 03/20/2013 | CN202811353U Rotor |
| 03/20/2013 | CN202811352U Gear pump spindle with labyrinth grooves |
| 03/20/2013 | CN202811351U High pressure gear pump with high abrasion resistance |
| 03/20/2013 | CN202811350U Adjustable equal-wall-thickness rubber stator |
| 03/20/2013 | CN102979729A Pump structure of cam rotor pump |
| 03/20/2013 | CN102979728A Automotive steering oil pump |
| 03/20/2013 | CN102979727A Wear-resistant light-duty steering vane pump for heavy-duty truck |
| 03/20/2013 | CN102979726A Power steering pump assembly |
| 03/20/2013 | CN102979725A Axisymmetric curved surface rotary variable displacement pump |
| 03/20/2013 | CN102979724A Axisymmetric curved surface rotary variable displacement pump |
| 03/20/2013 | CN102979723A Axisymmetric curved surface rotary variable displacement pump |
| 03/20/2013 | CN102979722A Axisymmetric curved surface rotary variable displacement pump |
| 03/20/2013 | CN102979721A Axisymmetric curved surface rotary variable displacement pump |
| 03/20/2013 | CN102979720A Axisymmetric curved surface rotary variable displacement pump |
| 03/20/2013 | CN102979718A Full-metal high-temperature-resistant screw pump |
| 03/20/2013 | CN102979717A Full-metal high-temperature-resistant screw pump |
| 03/19/2013 | US8398387 Fluid machine and refrigeration cycle apparatus |
| 03/14/2013 | WO2012101588A3 Pumping assembly for feeding oil under pressure to a user |
| 03/14/2013 | US20130064704 Rotation device including seal structure |
| 03/13/2013 | EP2567772A2 Friction bonding structure and pump device |
| 03/13/2013 | CN202789514U Novel double-rotation-direction emergency steering pump |
| 03/13/2013 | CN202789513U Asphalt conveying pump |
| 03/13/2013 | CN102966542A Electric pump unit |
| 03/13/2013 | CN102966541A Automobile steering oil pump |
| 03/13/2013 | CN102966540A Vane pump or motor with blades that do not produce full-circumferential friction with rotor sidewalls |
| 03/13/2013 | CN102966539A Circular volume increase or decrease device for each monomer enclosed cavity of three-rotor vane pump or motor |
| 03/13/2013 | CN102966538A Vane pump |
| 03/13/2013 | CN102966537A Helical gear oil pump suitable for automobile steering systems |
| 03/13/2013 | CN102966535A Inside engaged gear pump with static pressure supporting device |
| 03/12/2013 | CA2662055C Systems and methods to retard rod string backspin |
| 03/07/2013 | WO2013007233A4 Gear ring pump |
| 03/07/2013 | DE112011101718T5 Rotationsvorrichtung mit einer Dichtungsstruktur Rotation device having a sealing structure |
| 03/06/2013 | CN202768394U Connecting structure of pump body |
| 03/06/2013 | CN202768393U Air intake valve of screw-type air compressor |
| 03/06/2013 | CN202768392U Pump with two sides swinging symmetrically |
| 03/06/2013 | CN102953988A Improved screw of screw pump |
| 03/06/2013 | CN102953987A Pump shaft balance device of rotary pump |
| 03/06/2013 | CN102953986A Oil pump |
| 03/06/2013 | CN102953985A Lubricating oil pump gear |
| 03/06/2013 | CN102953981A Oil pump rotor |
| 03/06/2013 | CN102953980A Oil pump assembly |
| 02/28/2013 | DE10333564B4 Öldichtungsanordnung Oil seal assembly |
| 02/28/2013 | DE102011107157B4 Zahnringpumpe Annular gear pump |
| 02/28/2013 | DE10104222B4 Bremsvorrichtung mit einer Rotationspumpe Brake device with a rotary pump |
| 02/27/2013 | EP2562421A2 Swing vane-type pump actuator which prevents fretting corrosion |
| 02/27/2013 | EP2562420A2 Variable output pump |
| 02/27/2013 | EP2561242A1 Force boosting brake |
| 02/27/2013 | CN202756239U Anti-wear vane and high-pressure anti-wear pin type vane pump |
| 02/27/2013 | CN202756169U Bidirectional pump tide potential energy power generating device |
| 02/27/2013 | CN102947594A Vehicular internal gear type oil pump |
| 02/27/2013 | CN102943756A Vane pump or motor with no friction produced between blade and rotor side wall |
| 02/27/2013 | CN102943755A Rotor pump |
| 02/26/2013 | US8382462 Vane pump with circulating oil supply passage |
| 02/26/2013 | CA2565352C Compressor |
| 02/20/2013 | EP2558725A2 Electric delivery pump and method for operating an electric delivery pump |
| 02/20/2013 | CN202746204U High-abrasion-resistance stator of screw pump |
| 02/20/2013 | CN202746203U Transmission type gear pump of rectangular spline |
| 02/20/2013 | CN202746202U Gear pump with improved volumetric efficiency |
| 02/20/2013 | CN202746201U Steering pump with sealing and pre-compaction structure pressure plate |
| 02/20/2013 | CN202746200U Screw pump metal stator |
| 02/20/2013 | CN202746198U Duplicate-gear conveying pump |
| 02/20/2013 | CN202746195U Gear steering pump with pilot overflow valve |
| 02/20/2013 | CN202746194U Gear pump for conveying glass cement |
| 02/20/2013 | CN202746190U High-pressure gear pump |
| 02/20/2013 | CN202746189U Double-bracing rotor pump with parallel sealing surfaces |
| 02/20/2013 | CN202746188U Oil feed pump with wear-resistant inner gear |
| 02/20/2013 | CN102937092A Direct drive type screw pump driving device |
| 02/20/2013 | CN102937091A Gear double-teeth water pump |
| 02/14/2013 | WO2011117087A3 Delivery unit |
| 02/13/2013 | EP2556256A2 Rotary piston pump and method for operating a rotary piston pump |
| 02/13/2013 | CN202732339U Safety valve part for gear oil pump |
| 02/13/2013 | CN202732338U Fault diagnosis device for suction mode of gear oil pump |
| 02/13/2013 | CN202732337U Fault diagnosis device for tooth face wear of gear oil pump |
| 02/13/2013 | CN202732334U Gear oil pump |
| 02/13/2013 | CN102927005A Stator of screw rod pump |
| 02/13/2013 | CN102927004A Novel gear pump floating side plate |
| 02/13/2013 | CN102927000A Self-sealing gear pump |
| 02/13/2013 | CN102926999A Double internal thread air bag balance gear pump |
| 02/13/2013 | CN102926998A Internal and external thread self-balancing gear pump |
| 02/13/2013 | CN102926997A Flange internal thread conical spring gear pump |
| 02/13/2013 | CN102926996A Double external thread spoke spring gear pump |
| 02/13/2013 | CN101636586B Lubricating pinion and lubricating device |
| 02/07/2013 | US20130034463 Gear Pump |
| 02/07/2013 | DE10112500B9 Elektrohydraulische Antriebseinheit Electro-hydraulic drive unit |
| 02/06/2013 | CN202718864U Full hydraulic floating no-sealing two-way shaft sleeve |
| 02/06/2013 | CN202718863U Cavity structure of vane pump with low inner leakage |
| 02/06/2013 | CN202718862U Vane pump rotor with controllable telescopic vanes |