| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 09/15/2011 | US20110223050 Vane pump apparatus |
| 09/15/2011 | US20110223049 Fuel Pump For Internal Combustion Engines |
| 09/14/2011 | EP1968747B1 Flow cytometer comprising a cartridge and an instrument having a moving mechanism for moving a plunger at a rate profile |
| 09/14/2011 | CN201972922U 卸装轻质油高压双螺杆混输泵的复合螺杆 Uninstall light oil twin-screw multiphase pump high-pressure composite screw |
| 09/14/2011 | CN201972738U Star-spin rotating device with double sun wheels, engine and fluid machinery |
| 09/14/2011 | CN201972737U 星旋式转动装置、发动机、气动马达及压缩机 Star rotating rotating device, engine, air motors and compressors |
| 09/14/2011 | CN102187069A Rotary pump for a vehicle |
| 09/14/2011 | CN102182684A Floating side plate |
| 09/14/2011 | CN102182683A Variable-displacement translational through vane compressor |
| 09/14/2011 | CN102182682A Rotary vane compressor |
| 09/14/2011 | CN102182681A Synchronal rotary multi-phase oil-gas mixed delivery pump |
| 09/14/2011 | CN102182680A Multi-stage speed changing screw pump |
| 09/14/2011 | CN102182679A Double screw pump for food processing machine |
| 09/14/2011 | CN102182678A Novel three-line meshed internal-pressure sealed pump |
| 09/14/2011 | CN102182677A Novel four-line meshed internal-pressure sealed pump |
| 09/14/2011 | CN102182676A Novel five-line meshing internal pressurized seal pump |
| 09/14/2011 | CN102182675A Three-wire synchronous meshing spring compensation combined pump |
| 09/14/2011 | CN102182674A Five-wire synchronous meshing spring compensation combined pump |
| 09/14/2011 | CN102182673A Four-line synchromesh spring compensation combination pump |
| 09/14/2011 | CN101725523B Down-hole annular sucking screw pump |
| 09/14/2011 | CN101251108B Oil pump pressure control device |
| 09/13/2011 | US8016577 Vane pump with vane biasing means |
| 09/13/2011 | US8016576 Vehicle transmission with fluid pump having a recirculation circuit |
| 09/09/2011 | WO2011107307A2 Internal gear pump |
| 09/08/2011 | US20110217192 Outer ring driven gerotor pump |
| 09/08/2011 | DE102010002585A1 Innenzahnradpumpe Internal gear pump |
| 09/08/2011 | DE102010002566A1 Inner gear pump, particularly for motor vehicle, for supplying fluid, has inner wheel with inner annular gear, and external gear wheel with external annular gear |
| 09/07/2011 | EP2160309B1 Gear pump arrangement |
| 09/07/2011 | CN201963543U 一种汽车转向动力泵 An automobile power steering pump |
| 09/07/2011 | CN102177343A Electric pump unit |
| 09/07/2011 | CN102174935A Low-rotation-speed displacement pump |
| 09/07/2011 | CN101568698B Positive-displacement machine design (variants) |
| 09/06/2011 | US8011910 Low noise gear set for gear pump |
| 09/06/2011 | US8011908 Variable capacity pump with dual springs |
| 09/01/2011 | WO2011106422A2 Compressor including valve assembly |
| 09/01/2011 | WO2011104891A1 Gear pump |
| 09/01/2011 | WO2011104163A2 Oscillating slide machine |
| 09/01/2011 | DE102010009668A1 Gear pump for metered conveyance of e.g. polymer melts, has coupling sleeve rotatably supported in housing, held at coupling end of pump shaft and comprising profiled plug-in hole within coupling housing in extension of shaft |
| 08/31/2011 | EP2205872B1 Pump |
| 08/31/2011 | EP1503034B1 Gerotor type machine |
| 08/31/2011 | CN201953652U 高压液压叶片泵 High-pressure hydraulic vane pump |
| 08/31/2011 | CN201953651U 配套通用动力装置使用的喷药泵 Supporting spraying pump apparatus used by General Dynamics |
| 08/31/2011 | CN201953650U 一种二极并联齿轮泵 A two-pole parallel gear pump |
| 08/31/2011 | CN201953649U 可调式三螺杆泵套 Adjustable three screw sets |
| 08/31/2011 | CN101196188B Hydraulic pump of automatic transmission |
| 08/30/2011 | US8007261 Thermally compensated scroll machine |
| 08/30/2011 | US8007248 Engine speed dependent oil pump pressure regulation |
| 08/30/2011 | DE202011004034U1 Spindelpumpe mit zwei, parallel nebeneinander angeordneten Pumpspindeln Spindle pump with two parallel pump shafts arranged side by side |
| 08/25/2011 | WO2011078850A8 System and method for providing a continuous flow of catalyst into a polyolefin reactor |
| 08/24/2011 | EP2359005A2 Sliding vane pump |
| 08/24/2011 | EP2359004A2 Fuel pump for internal combustion engines |
| 08/24/2011 | CN201943945U 叶片泵 Vane pump |
| 08/24/2011 | CN201943944U 一种新型叶片结构的叶片泵 A vane pump new blade structure |
| 08/24/2011 | CN201943943U 磁力驱动齿轮泵 Magnetic drive gear pump |
| 08/24/2011 | CN201943942U 屏蔽式双螺杆泵 Shielded twin-screw pump |
| 08/24/2011 | CN201943941U 用于高压共轨泵和电控组合泵的转子式输油泵 Rotor pump for high pressure common rail pump and electric control combination pump |
| 08/24/2011 | CN201943940U 内外啮合的齿轮泵 Inside and outside the meshing gear pump |
| 08/24/2011 | CN102165195A Device for branching off a fluidic partial flow |
| 08/24/2011 | CN102162445A Sliding vane type water ring pump |
| 08/24/2011 | CN102162444A Gerotor hydraulic pump |
| 08/23/2011 | US8002518 Rotary pump with hydrodynamically suspended impeller |
| 08/23/2011 | US8001949 Internal combustion engine |
| 08/18/2011 | DE102010007906A1 Eccentric cam worm gas pump for e.g. conveying natural gas during oil recovery to use gas as independent energy source, has lubricant reservoir arranged before stator and connected with inner space over lubricant spacer pipeline devices |
| 08/17/2011 | EP2357362A2 Gear ring pump |
| 08/17/2011 | CN201934309U 四齿轮齿轮泵 Four gear pump |
| 08/17/2011 | CN201934308U 具有防干运行保护系统的单螺杆泵 Dry run protection system with anti-single screw pump |
| 08/17/2011 | CN1654823B Screw pump |
| 08/17/2011 | CN102155403A Phase adjustment method of gear rotors in melt gear pump |
| 08/17/2011 | CN102155402A Double-oil-outlet speed variable gear pump |
| 08/17/2011 | CN102155401A High-pressure large-flow dual-united gear pump |
| 08/17/2011 | CN101778999B Screw compressor with integral bearing cover and discharge plenum divider |
| 08/17/2011 | CN101566151B Variable displacement vane pump |
| 08/17/2011 | CN101501339B Variable displacement vane pump |
| 08/17/2011 | CN101054973B Blade type pump |
| 08/16/2011 | US7997882 Reduced rotor assembly diameter vane pump |
| 08/11/2011 | WO2011096918A1 Vane-type rotary machine with reduced wear and friction loss |
| 08/11/2011 | WO2011096260A1 Oil pump |
| 08/11/2011 | WO2011058296A3 Stator inserts, methods of fabricating the same, and downhole motors incorporating the same |
| 08/11/2011 | WO2011058295A3 Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same |
| 08/11/2011 | WO2011058294A3 Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same |
| 08/11/2011 | WO2010092447A3 Wear resistant sliding plates for an external gear pump |
| 08/11/2011 | DE10222131C5 Verdrängerpumpe mit Fördervolumenverstellung Displacement pump displacement control |
| 08/11/2011 | DE102010007255A1 Fluid pump for use in machine housing, has rotary shaft arranged in fluid delivery volume, where impeller is arranged at shaft |
| 08/10/2011 | EP2354551A2 Hydraulic gear wheel machine with axial force compensation |
| 08/10/2011 | EP2352921A1 Tooth profile for rotors of positive displacement external gear pumps |
| 08/10/2011 | CN201925160U 后端出油高压大排量汽车动力转向泵 After handing out the high-pressure oil big cars power steering pump |
| 08/10/2011 | CN201925159U 异齿泵 Iso-tooth pump |
| 08/10/2011 | CN201925158U 新型的汲水装置 New Kap Shui means |
| 08/10/2011 | CN102146915A High-pressure gear pump without fixed side plate |
| 08/10/2011 | CN101512046B Electroforming stator tube for screw rod device |
| 08/09/2011 | US7993116 Variable displacement vane pump |
| 08/04/2011 | US20110189045 Rotary vane machine |
| 08/04/2011 | US20110185713 Air heating apparatus |
| 08/04/2011 | DE102010006841A1 Screw conveyor device or hydroelectric device useful for treating waste water comprises a drivable central axis of rotation, a screw conveyor profile , a drive unit or a generator unit, a trough profile and a heat exchanger |
| 08/03/2011 | EP2351934A1 Variable-displacement lubricant pump |
| 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 | CN201916189U 一种输油泵 One kind of fuel pump |
| 08/03/2011 | CN201916188U 一种汽车油泵 An automobile pumps |
| 08/03/2011 | CN201916187U 一种二齿差短幅摆线齿轮油泵 A two short pieces of teeth difference cycloid gear pumps |