| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 05/12/2011 | WO2010132154A3 Seal system for gear pumps |
| 05/12/2011 | DE102009046516A1 Verdrängerpumpe Displacement pump |
| 05/12/2011 | CA2788984A1 High efficiency fluid pumping apparatus and method |
| 05/11/2011 | EP2318715A1 Generation and use of high pressure air |
| 05/11/2011 | CN201827070U Integrated high-sealability oil pump gear |
| 05/11/2011 | CN201827069U Balanced type internal-gearing gear pump |
| 05/11/2011 | CN201827068U Oil pump |
| 05/11/2011 | CN101042181B Oil pump structure of transmission |
| 05/10/2011 | US7938634 Self-modulated scroll compressor with optimized built-in volume ratio |
| 05/10/2011 | CA2493686C Cam ring bearing for fuel delivery system |
| 05/05/2011 | US20110103992 Gear pumps and methods for using gear pumps |
| 05/05/2011 | US20110103989 Progressing Cavity Pump Rubber Reinforcement Device for Rotor Alignment |
| 05/05/2011 | US20110103987 Pump system |
| 05/05/2011 | US20110100321 Rotary power device |
| 05/05/2011 | US20110100011 High efficiency positive displacement thermodynamic system |
| 05/05/2011 | DE102009051443A1 Medical toothed wheel pump for use in device for sucking and rinsing of e.g. blood during laparoscopic analysis, has revolving toothed wheel attached to support, and another revolving toothed wheel attached to another support |
| 05/05/2011 | DE102009049311A1 Schraubenspindelmaschine und Verfahren zu ihrer Herstellung Screw machine and process for their preparation |
| 05/04/2011 | EP2317145A2 Coupling for a screw spindle pump |
| 05/04/2011 | EP2317144A2 Gear for an hydraulic gear machine |
| 05/04/2011 | EP2317143A2 Progressive cavity pump |
| 05/04/2011 | EP2035708B1 Moineau pump |
| 05/04/2011 | CN201818495U Improved high pressure vane pump |
| 05/04/2011 | CN201818494U Direct current gear pump |
| 05/04/2011 | CN201818493U Pressure adjusting screw pump |
| 05/04/2011 | CN201818492U Novel gear type combined pump |
| 05/04/2011 | CN201818361U Dual-rotation four-circulation piston type double-shaft internal combustion engine, pressure flow driving machine and pump |
| 05/04/2011 | CN102046980A Screw compressor with asymmetric ports |
| 05/04/2011 | CN102042219A Spiral fluid turbine pump |
| 05/04/2011 | CN102042218A Improved inward rotation gear pump |
| 05/04/2011 | CN101608597B Controllable wheel-groove slow flow type water turbine/water pump |
| 05/04/2011 | CN101581300B Ball plug hydraulic pump for flow distribution of mandrel |
| 05/04/2011 | CN101290008B Low speed heavy pressure vane pump for hydraulic bicycle |
| 05/04/2011 | CN101205904B Eccentric cover for cycloidal inner/outer rotor pump |
| 05/03/2011 | US7934909 Device for axially conveying fluids |
| 04/28/2011 | WO2011028113A3 Fluid pump |
| 04/28/2011 | DE102009050556A1 Schraubenpumpe Screw pump |
| 04/28/2011 | DE102009040647A1 Schieberpumpe und orthopädietechnische Einrichtung mit einer Schieberpumpe Vane pump and orthopedic device with a vane pump |
| 04/27/2011 | EP2314873A2 Screw pump with a leakage sensor |
| 04/27/2011 | EP2313656A2 Pump unit |
| 04/27/2011 | CN102032176A Large-flow combined linear screw pump |
| 04/27/2011 | CN102032175A Outer planetary needle-swing hydraulic pump |
| 04/27/2011 | CN102032174A Rotary piston pump |
| 04/27/2011 | CN102032019A Control valve and variable capacitance pump using control valve and oil pressure circuit of internal combustion engine |
| 04/27/2011 | CN101279646B Low pulsating rotary pump for realizing quantitative transportation of material |
| 04/26/2011 | US7931454 Pump device |
| 04/26/2011 | US7931006 Valveless rotary internal combustion engine |
| 04/21/2011 | WO2011046591A1 Internal combustion engine and supercharger |
| 04/21/2011 | WO2011045179A2 Screw spindle machine and method of manufacturing the same |
| 04/21/2011 | WO2011016938A3 Scroll compressor with radially configured motor winding |
| 04/21/2011 | US20110091341 Method and apparatus for establishing clearances in scroll compressor |
| 04/21/2011 | US20110088796 Control valve body with integrated pump for automatic transmissions |
| 04/21/2011 | DE102009048479A1 Thermal engine for use as vane type expander, has chambers exhibiting reduced volume at high pressure inlet and large volume at low pressure outlet, where operating fluid discharges out from chambers at low pressure outlet |
| 04/21/2011 | DE102009045825A1 External toothed wheel pump for conveying fuel into fuel system of internal combustion engine, has coupling element coupling shaft with toothed wheel, where surface of coupling element is completely manganese-phosphate-treated in sections |
| 04/21/2011 | DE102009045227A1 Innenzahnradpumpe für eine hydraulische Fahrzeugbremsanlage Internal gear pump for a hydraulic vehicle brake system |
| 04/21/2011 | CA2776812A1 Internal combustion engine and supercharger |
| 04/20/2011 | EP2312165A1 Method for producing rotor |
| 04/20/2011 | EP2312161A2 Metering device |
| 04/20/2011 | CN201802621U Vane pump |
| 04/20/2011 | CN201802620U Automobile power steering gear pump |
| 04/20/2011 | CN201802619U Double-screw pump suitable for conveying easily-dried and hardened chemical medium with high viscosity |
| 04/20/2011 | CN201802618U Powder metallurgy internal and external rotors for oil pump |
| 04/20/2011 | CN102027238A Drill motor assembly |
| 04/20/2011 | CN102027184A Stator for use in helicoidal motor |
| 04/20/2011 | CN102022320A Linked conjugate pump |
| 04/20/2011 | CN102022319A Oil pump with inside engaged gear |
| 04/20/2011 | CN102022318A Method for ensuring gear pump gap by matching jump |
| 04/19/2011 | CA2473001C Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle |
| 04/14/2011 | WO2011042105A2 Vane pump |
| 04/14/2011 | US20110085928 Geroller hydraulic motor with anti-cogging structure |
| 04/14/2011 | DE112009001302T5 Fluidpumpsystem mit variablem Ausstoß Fluid pumping system with variable discharge |
| 04/14/2011 | DE102009045574A1 Doppel-Innenzahnradpumpe Two internal gear pump |
| 04/14/2011 | DE102009045468A1 Gear pump, particularly fuel pump, for fuel system of motor vehicle, is provided with two gears in housing, where gears are in mesh with each other and support suction area and pressure area |
| 04/13/2011 | EP2309131A1 Device for metering a viscous medium and method for producing same |
| 04/13/2011 | EP2307730A2 Compressor having capacity modulation system |
| 04/13/2011 | CN201794784U Bidirectional high-speed high-torsion highly-efficient durable simple convenient hydraulic power part |
| 04/13/2011 | CN201794783U Gear pump for food processing |
| 04/13/2011 | CN102011728A Gather and delivery pump set for thick oil containing sand |
| 04/13/2011 | CN102011727A Circulating thick oil pump |
| 04/13/2011 | CN101479483B Pump |
| 04/13/2011 | CN101283199B Transmission with orbital gears |
| 04/13/2011 | CN101133251B Rotor sliding-vane machine |
| 04/13/2011 | CN101061317B Rotary displacement pump |
| 04/12/2011 | US7922469 Pump |
| 04/12/2011 | US7922468 Gear pump with improved inlet port |
| 04/07/2011 | WO2011039128A2 Internal gear pump for a hydraulic vehicle braking system |
| 04/07/2011 | DE102009048320A1 Schmierstoffpumpe Lubricant pump |
| 04/06/2011 | EP2306025A1 Die for forging rotor material and method for forging rotor material |
| 04/06/2011 | EP2306023A2 Nested motor, reduction motor, reduction gear and pump with selectable mounting options |
| 04/06/2011 | EP2304243A2 Screw compressor with asymmetric ports |
| 04/06/2011 | EP2304242A1 Vane pump |
| 04/06/2011 | EP2304241A2 Automatic volume ratio variation for a rotary screw compressor |
| 04/06/2011 | EP2304240A1 A pumping system and a method for pumping fluids |
| 04/06/2011 | EP2303362A1 Dual chamber and gear pump assembly for a high pressure delivery system |
| 04/06/2011 | CN201786649U Synchronous-rotation multiphase mixture pump |
| 04/06/2011 | CN201786648U Gear pump |
| 04/06/2011 | CN102003384A Slide type gourd pump |
| 04/06/2011 | CN101375061B Progressive cavity pump |
| 03/31/2011 | WO2011037561A1 Stator/rotor assemblies having enhanced performance |
| 03/31/2011 | WO2011036959A1 Drive device |
| 03/31/2011 | WO2010126651A3 Method and apparatus for lubricating a screw pump system |