Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
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03/05/2015 | US20150064042 Gas compressor |
03/05/2015 | US20150064039 Fluid machine and rankine cycle |
03/05/2015 | US20150064038 Internal gear pump |
03/05/2015 | US20150064037 Helical rotor, progressing cavity pump and pumping device |
03/05/2015 | DE112005000100B4 Ölpumpe und automatisches Getriebe, welches diese umfasst Oil pump and an automatic transmission which includes this |
03/05/2015 | DE102014215757A1 Gerotorpumpe Gerotor pump |
03/05/2015 | DE102014012887A1 Schraubenförmiger Rotor, Exzenterschneckenpumpe und Pumpenvorrichtung Helical rotor eccentric screw pump and pump device |
03/05/2015 | DE102013109657A1 Impellerpumpe Impeller |
03/04/2015 | EP2843232A1 Hydraulic rotating motor with pivotable control vanes |
03/04/2015 | EP2841675A1 Downhole motor with concentric rotary drive system |
03/03/2015 | USRE45397 Open-cycle internal combustion engine |
03/03/2015 | US8967985 Metal disk stacked stator with circular rigid support rings |
03/03/2015 | US8967948 Uniaxial eccentric screw pump |
02/28/2015 | CA2857349A1 Helical rotor,progressive cavity pump and pumping device |
02/26/2015 | WO2015026850A1 Miniature high pressure pump and electrical hydraulic actuation system |
02/26/2015 | WO2015026411A2 Hydraulic control unit having unitary sump and accumulator housing |
02/26/2015 | WO2015026409A1 Hydraulic control unit having interface plate disposed between housing and pump |
02/26/2015 | WO2015025635A1 Sliding member for pump and pump operation state detection system |
02/26/2015 | WO2015025140A1 Distributor apparatus with a pair of intermeshing screw rotors |
02/26/2015 | US20150056092 Self-Fixing Stator Housing |
02/26/2015 | US20150056091 Scroll compressor |
02/26/2015 | US20150056090 Variable capacity type vane pump |
02/26/2015 | DE102014214878A1 Ölpumpe Oil pump |
02/26/2015 | DE102013223899B3 Pumpvorrichtung Pumping device |
02/26/2015 | DE102012210197B4 Elektrische Pumpe und Verfahren zur Herstellung der elektrischen Pumpe Electric pump and method of manufacturing the electric pump |
02/24/2015 | US8961157 Vane pump |
02/24/2015 | US8961148 Unified variable displacement oil pump and vacuum pump |
02/24/2015 | US8960309 Oil well pump apparatus |
02/19/2015 | WO2015022929A1 Trochoid pump with air discharge port |
02/19/2015 | WO2015022715A1 Improved volumetric pump with progressive recesses |
02/19/2015 | WO2015022714A1 Batching/delivering system comprising at least one remotely actuated volumetric batching pump |
02/19/2015 | WO2015021496A1 A concentric rotary fluid machine |
02/19/2015 | US20150050176 Cycloidal Pinwheel Pair with Uniform Contact and One-tooth Difference |
02/19/2015 | US20150050174 Rotary Piston Pump With Optimised Inlets And Outlets |
02/19/2015 | US20150050173 Variable displacement pump with double eccentric ring and displacement regulation method |
02/18/2015 | EP2837827A1 Hydraulic device |
02/17/2015 | US8956135 Screw compressor with asymmetric ports |
02/17/2015 | US8956134 Fixed-vane positive displacement rotary devices |
02/17/2015 | US8956133 Vehicular internal gear type oil pump |
02/17/2015 | US8956131 Scroll compressor |
02/12/2015 | WO2015021007A1 Vane pump assembly |
02/12/2015 | WO2015019859A1 Fluid-pump inner rotor |
02/12/2015 | WO2015018614A1 Coupling device for a metering pump |
02/12/2015 | WO2015018390A2 System for pumping liquid media from a bore and method for installing a pump unit designed as a progressive cavity pump in a bore |
02/12/2015 | US20150040608 Compressor and air conditioner including the same |
02/12/2015 | DE102013108697A1 Verdrängerpumpe, insbesondere verstellbare flügelzellenpumpe Displacement, particularly adjustable wing cell pump |
02/12/2015 | CA2859513A1 Pump system for gas dehydrator powered by thermal electric generator |
02/11/2015 | EP2834521A1 Metering pump made of plastic |
02/11/2015 | CN204152783U 一种轴承外置式双密封高粘度不锈钢齿轮泵 A bearing external double sealed stainless steel gear pump high viscosity |
02/11/2015 | CN204152782U 油泵泵体安装结构 Pump oil pump mounting structure |
02/11/2015 | CN104343681A 一种轴对称曲面旋转变容泵 One axially symmetric rotating surface displacement pump |
02/11/2015 | CN104343680A 油泵 Pump |
02/11/2015 | CN104343679A 油泵 Pump |
02/11/2015 | CN104343678A 齿轮泵 Gear pumps |
02/11/2015 | CN104343677A 不对称油槽摆线转子泵 Asymmetric sump pump gerotor |
02/11/2015 | CN104343676A 轴向柔度绕转板式涡旋件及包括该涡旋件的涡旋泵 Axial compliance plate orbiting scroll member and includes the scroll, scroll pump |
02/11/2015 | CN103061822B 采用闸阀结构的星旋式转动装置 Gate structure using rotating device rotating star |
02/10/2015 | US8951027 Vane cell machine |
02/10/2015 | US8950169 Rotary expansible chamber devices having adjustable working-fluid ports, and systems incorporating the same |
02/10/2015 | CA2762087C Variable capacity vane pump with dual control chambers |
02/05/2015 | WO2015017358A1 Improved stator assembly for progressive cavity pumping systems |
02/05/2015 | WO2015015426A1 A hydraulic circuit associated with an internal combustion engine |
02/05/2015 | WO2015015222A1 A rotary engine |
02/05/2015 | US20150037194 Oil pump |
02/05/2015 | US20150037193 Oil pump |
02/05/2015 | US20150037192 Scroll compressor with pressurized oil balance piston |
02/05/2015 | US20150037188 Vane pump assembly |
02/05/2015 | US20150037181 Pump arrangement |
02/05/2015 | DE102006042190B4 Rotoreinrichtung einer Pumpe Rotor means of a pump |
02/04/2015 | EP2833000A2 Internal gear oil pump |
02/04/2015 | EP2831488A1 Oil pump, engine cover and engine comprising the same |
02/04/2015 | EP2831421A2 Pin joint for an eccentric screw pump |
02/04/2015 | EP2831420A1 Internal-gear pump |
02/04/2015 | CN204140385U 一种改进的叶片式液压机械 An improved vane-type hydraulic machinery |
02/04/2015 | CN204140384U 一种直联旋片式真空泵 A direct-rotary vane vacuum pump |
02/04/2015 | CN204140383U 叶片式变量液压泵 Variable vane pump |
02/04/2015 | CN204140382U 一种可变连接方式的小型齿轮计量泵 A variable connection of small gear metering pumps |
02/04/2015 | CN204140381U 一种齿轮泵 A GEAR pump |
02/04/2015 | CN104334881A 确定旋转式容积泵中的泵流量的方法 Determining rotary displacement pump in the pump flow rate method |
02/04/2015 | CN104334880A 具有填充件的内齿轮泵 Having an internal gear pump of the filling piece |
02/04/2015 | CN104329251A 一种微型超低温磁力驱动齿轮泵 A miniature ultra-low temperature magnetic drive gear pump |
02/04/2015 | CN104329250A 一种低流量脉动双向齿轮泵 A low flow pulsation bidirectional gear pump |
02/03/2015 | US8944793 Flow and pressure ripple reduction with advance dual gear and bearing face cut |
02/03/2015 | US8944792 Metering gear pump or segment, and metering gear pump assembly comprising a plurality of metering gear pumps or segments |
02/03/2015 | US8944791 Compressor assembly having oil separation feature |
02/03/2015 | US8944790 Compressor with cyclone and internal oil reservoir |
02/03/2015 | US8944789 Enhanced elastomeric stator insert via reinforcing agent distribution and orientation |
02/03/2015 | US8944788 Net-displacement control of fluid device |
02/03/2015 | US8944783 Electric progressive cavity pump |
02/03/2015 | US8944779 Rotary lobe pump with angular gear |
01/29/2015 | WO2015011740A1 Electrically operated pump |
01/29/2015 | WO2015011368A1 Pumping block device having an integrated bypass circuit |
01/29/2015 | WO2015010700A1 Fluid system |
01/29/2015 | US20150030488 Gear pump |
01/29/2015 | US20150030486 Variable capacity vane pump |
01/29/2015 | US20150030485 Variable displacement rotary pump and displacement regulation method |
01/29/2015 | US20150027686 Crude Oil Lifting System and Method Utilizing Vane Pump for Conveying Fluid |
01/28/2015 | EP2829731A1 Gear pump |
01/28/2015 | EP2828526A1 Variable displacement pump with double eccentric ring and displacement regulation method |
01/28/2015 | EP2828525A1 Variable displacement rotary pump and displacement regulation method |