| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 07/31/2013 | EP2619416A2 Vane cell pump |
| 07/31/2013 | CN203098271U Sliding vane type infusion pump |
| 07/31/2013 | CN203098270U Vane type fuel transfer pump |
| 07/31/2013 | CN203098269U Gear hydraulic pump |
| 07/31/2013 | CN203098268U Flow path system of high-precision metering pump |
| 07/31/2013 | CN203098267U Novel hydraulic pump |
| 07/31/2013 | CN103228918A Dual outlet pump |
| 07/31/2013 | CN103228917A Variable displacement lubricant pump |
| 07/31/2013 | CN103225609A 叶片泵 Vane pump |
| 07/31/2013 | CN103225608A 泵 Pump |
| 07/31/2013 | CN103225607A 内齿轮泵 Internal gear pump |
| 07/30/2013 | US8496457 Metering gear pump with integral flow indicator |
| 07/30/2013 | US8496456 Progressive cavity pump including inner and outer rotors and a wheel gear maintaining an interrelated speed ratio |
| 07/26/2013 | DE202013004282U1 Pumpen-Filter-Kombination zur Teichwasserfilterung Pump-filter combination for pond water filtration |
| 07/25/2013 | WO2013110037A2 Hollow gerotor |
| 07/25/2013 | WO2013108915A1 Flavoring preparation apparatus |
| 07/25/2013 | WO2013108553A1 Internal gear pump |
| 07/25/2013 | WO2013106900A1 Oval chamber vane pump |
| 07/25/2013 | WO2012084684A3 Transmission unit |
| 07/25/2013 | US20130189142 Delivery unit |
| 07/25/2013 | DE102012008527B3 Drehkolbenpumpe mit optimierten ein-und auslässen Rotary pump with a optimized inlets and outlets |
| 07/25/2013 | DE102012001462A1 Internal gear pump comprises control bevel, which is provided in area of sealing segment side facing hollow wheel, and is extended out in peripheral direction of hollow wheel and broadens opening area of control groove |
| 07/25/2013 | DE102012001075A1 Controllable vane compressor e.g. single-vane compressor, for compressing fluid in cooling system in electric car, has rotor within housing wall connected with shaft, where fluid in pressure area is displaced into pressure output via groove |
| 07/25/2013 | DE102008054474B4 Innenzahnradpumpe mit optimiertem Geräuschverhalten Internal gear pump with improved noise performance |
| 07/24/2013 | EP2617469A2 Simple fire truck with easy movement |
| 07/24/2013 | EP2616684A1 Rotary displacement pump for pumping solids emulsions, especially liquid explosives |
| 07/24/2013 | EP2616683A2 Seal for the rotor of rotary piston machines |
| 07/24/2013 | CN203081743U Gear pump with inner cavity coating layer |
| 07/24/2013 | CN203081742U Special gear pump |
| 07/24/2013 | CN203081741U Asphalt gear pump |
| 07/24/2013 | CN203081740U Horizontal double-suction outboard bearing twin-screw pump |
| 07/24/2013 | CN203081739U Novel gear pump |
| 07/24/2013 | CN203081738U Low-viscosity gear pump |
| 07/24/2013 | CN103221690A 叶片泵 Vane pump |
| 07/24/2013 | CN103221638A Rotary piston pump and rotary piston |
| 07/24/2013 | CN103216443A Right-handed oil pump formed by improving left-handed shaft end oil pump of compressor |
| 07/24/2013 | CN103216442A A scroll compressor |
| 07/24/2013 | CN103216441A Gear metering pump |
| 07/24/2013 | CN102287368B Composite balance single-suction double-screw pump |
| 07/23/2013 | US8491695 Iron-base sintered part, manufacturing method of iron-base sintered part and actuator |
| 07/23/2013 | US8491289 Friction drive pump for transfer cases, etc |
| 07/23/2013 | US8491288 Geroller hydraulic motor with anti-cogging structure |
| 07/23/2013 | US8491272 Pumping-out apparatus and method for pumping out stored fluid |
| 07/23/2013 | CA2650245C Vane machine |
| 07/23/2013 | CA2562568C Non-tubing deployed well artificial lift system |
| 07/18/2013 | WO2013105996A1 Fluid pump mechanical seal |
| 07/18/2013 | WO2013064386A3 Pump device for delivering a medium |
| 07/18/2013 | WO2012175236A3 Internal gear pump |
| 07/18/2013 | WO2012167248A3 Simplified roots-type blower |
| 07/18/2013 | WO2012136398A3 Internal gear pump |
| 07/18/2013 | WO2012107197A3 Displacement pump |
| 07/18/2013 | US20130183185 Screw rotor for a screw type vacuum pump |
| 07/18/2013 | US20130183184 Rotary engine |
| 07/18/2013 | US20130183171 Rotary Cam Ring Fluid Machine |
| 07/17/2013 | CN203067281U Melt pump capable of lowering temperature |
| 07/17/2013 | CN203067278U Iq rotor pump |
| 07/17/2013 | CN203067277U Special melt pump for rubber |
| 07/17/2013 | CN103210217A 油泵设备 Pump Equipment |
| 07/17/2013 | CN102506023B 泵 Pump |
| 07/16/2013 | US8485804 Single screw compressor structure and method of assembling single screw compressor including the same |
| 07/16/2013 | US8485803 Scroll compressor comprising oil separating driving shaft |
| 07/16/2013 | US8485802 Pump with multiple volume streams |
| 07/16/2013 | CA2796484A1 Oval chamber circular raceway pump |
| 07/16/2013 | CA2764669A1 Oval chamber circular raceway pump |
| 07/15/2013 | DE202013102896U1 Verschleißfeste leichte Lenkungsflügelzellenpumpe für Lastkraftwagen Wear resistant easy steering vane pump for trucks |
| 07/15/2013 | DE202013102895U1 Kombinationspumpe für Lenkungs-Antriebskraft und Schmieröl-Förderung des Fahrzeugs Combination pump for steering driving force and lubricating oil production of the vehicle |
| 07/11/2013 | WO2012116779A3 Rotary slide valve |
| 07/11/2013 | WO2012116016A3 Pump assemblies with freeze-preventive heating |
| 07/10/2013 | CN203051106U Blade type hydraulic machinery |
| 07/10/2013 | CN203051105U Water transmission device |
| 07/10/2013 | CN203051104U High-pressure gear oil pump |
| 07/10/2013 | CN203051103U Circulating system for laser dye solution |
| 07/10/2013 | CN203051102U High-temperature cantilever-type dual-screw pump |
| 07/10/2013 | CN203051101U Single-screw pump |
| 07/10/2013 | CN203051100U Screw conveying pump |
| 07/10/2013 | CN203050797U Anti-autorotation mechanism of scroll-type fluid machine |
| 07/10/2013 | CN103201458A Contact element for rotary piston pump |
| 07/10/2013 | CN103195707A Sliding vane type rotary piston |
| 07/10/2013 | CN103195706A Gear pump with new structure |
| 07/10/2013 | CN103195705A Gear pump made of new structural material |
| 07/10/2013 | CN103195704A Flow-constant cam pump rotor profile and generation method thereof |
| 07/10/2013 | CN103195703A Emulsion explosive conveying twin-screw pump system |
| 07/10/2013 | CN103195702A Shock absorption type automobile gearbox oil pump |
| 07/10/2013 | CN103194666A Fuel pump inner and outer rotor assembly and production method thereof |
| 07/10/2013 | CN103192071A Powder metallurgical formulas for internal and external rotors of hydraulic slippage pump and manufacturing method of internal and external rotors of hydraulic slippage pump |
| 07/10/2013 | CN101765701B Vacuum pump for a motor vehicle engine |
| 07/09/2013 | US8480386 Vane for a single-vane vacuum pump |
| 07/09/2013 | CA2562588C Axial flow positive displacement worm gas generator |
| 07/04/2013 | WO2012120095A3 Georotor hydraulic device with capacity control valve provided within the shaft |
| 07/04/2013 | WO2012071378A3 Methods and apparatus for enhancing elastomeric stator insert material properties with radiation |
| 07/04/2013 | DE10325592B4 Rotationspumpe für Bremsvorrichtung Rotary pump for brake device |
| 07/04/2013 | DE102012003066B3 Verfahren und vorrichtung zum fixieren und synchronisieren von drehkolben in einer drehkolbenpumpe Method and apparatus for fixing and synchronize rotating pistons in a rotary piston pump |
| 07/04/2013 | DE102011090027A1 Integrated electrical feed pump e.g. internal gear pump used in motor vehicle, has cover which is fixed axially and radially with respect to the housing, arranged with recess |
| 07/03/2013 | EP2610493A1 Stator seal structure for single-shaft eccentric screw pump |
| 07/03/2013 | EP2610492A1 Motor control unit and electric pump unit |
| 07/03/2013 | EP2610140A1 Hydraulic device |
| 07/03/2013 | CN203035544U Power steering pump assembly |
| 07/03/2013 | CN203035543U Three-pair gear combination melt pump |
| 07/03/2013 | CN203035542U Three-blade rotor type high-efficiency thick oil pump |
| 07/03/2013 | CN203035541U Pressure maintaining gear pump |