| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 01/26/2012 | WO2012011971A2 Lube pump retention method |
| 01/26/2012 | WO2012010397A2 Rotary vane pump |
| 01/26/2012 | WO2011139041A3 Compressor for a heat pump |
| 01/26/2012 | US20120018168 Pump |
| 01/26/2012 | DE102010038284A1 Internal gear pump for gearbox of vehicle transmission, has gear wheel arranged around central axis of casing, where layer of center of sickle radius of arcuate concave sickle contour is provided equal to layer of central axis of casing |
| 01/26/2012 | DE102010031614A1 Gear pump for feeding fuel into fuel injection system, particularly in common-rail system of internal combustion engine, comprises shaft assembly, which lies from drive shaft and gear wheel driven by drive shaft |
| 01/26/2012 | DE102010031549A1 Rotary pump i.e. vane pump, for creating hydraulic oil flow for actuator of e.g. external power steering system of passenger car, has sealing unit whose abutment surface is completely covered at groove bottom of peripheral groove |
| 01/26/2012 | DE102010031541A1 Upstream electrical supply pump for conveying fuel from fuel tank into low pressure input of fuel high pressure pump of pump assembly of motor car, has pump provided with external gears secured at stator of electromotor |
| 01/26/2012 | CA2806219A1 Well tool having a nanoparticle reinforced metallic coating |
| 01/25/2012 | CN202125427U Spiral rotor metering pump |
| 01/25/2012 | CN102333955A Integrated electric vane oil pump |
| 01/25/2012 | CN102330675A Portable electric fuel pump |
| 01/25/2012 | CN102330674A Pressure-proof inside-discharge type steering power-assisted pump |
| 01/25/2012 | CN102330673A Pressure withstanding outflow type power-assisted steering pump |
| 01/25/2012 | CN102330672A Internal drainage type two-way oil replenishing gear oil pump |
| 01/24/2012 | US8099957 Dual-inlet supercharger for EGR flow control |
| 01/19/2012 | WO2012007125A2 Vane pump |
| 01/19/2012 | WO2011119464A4 Rotary infusion pumps |
| 01/19/2012 | WO2010119336A3 Aircraft main engine fuel pump with multiple gear stages using shared journals |
| 01/19/2012 | US20120016178 Rotary Pump with Hydrodynamically Suspended Impeller |
| 01/19/2012 | DE102009004456B4 Mengenregelbare Zellenpumpe mit schwenkbarem Steuerschieber A volume-controllable vane pump with pivoting control slide |
| 01/18/2012 | EP2407667A1 Uniaxial eccentric screw pump |
| 01/18/2012 | CN202117919U Flexible cam pump |
| 01/18/2012 | CN202117918U Quick mounting mechanism of delivery pump |
| 01/18/2012 | CN102322419A Screw pump |
| 01/17/2012 | US8096797 Roots type gear compressor with helical lobes having feedback cavity |
| 01/17/2012 | US8096795 Oil pump rotor |
| 01/17/2012 | US8096793 Ductile cast iron scroll compressor |
| 01/17/2012 | US8096288 High efficiency supercharger outlet |
| 01/12/2012 | WO2012004953A2 Vehicular power transmitting system |
| 01/12/2012 | WO2012004455A1 Motor system and method in control of motor system |
| 01/12/2012 | DE19852181B4 Förderschnecke für eine Exzenterschneckenpumpe Screw conveyor for an eccentric |
| 01/11/2012 | EP2404061A2 Eccentric screw pump |
| 01/11/2012 | CN102317571A Pump |
| 01/11/2012 | CN102312832A Transfer pump of high viscosity fluid |
| 01/11/2012 | CN102312831A Cyclic gasbag compensating sealing five-space rotor pump |
| 01/11/2012 | CN101846069B Food-processing gear pump |
| 01/11/2012 | CN101122288B Rotary lobe pump |
| 01/10/2012 | US8092202 Propeller pump system for handed propeller applications |
| 01/10/2012 | US8092199 Scroll compressor including a plurality of shoulder sections |
| 01/10/2012 | CA2672669C Methods for producing even wall down-hole power sections |
| 01/10/2012 | CA2455742C Rotary drivehead for downhole apparatus |
| 01/05/2012 | WO2012000812A2 Gear pump |
| 01/05/2012 | DE102010026035A1 Rotary vane pump for brake booster in motor car, has chambers whose longitudinal ends are rotatably fixed in inner space along inner circumference trajectory, and roller bearing device provided at rotor in region of slot |
| 01/05/2012 | DE102010026034A1 Rotary vane pump for brake booster of motor car, has rotor rotatably mounted in inner space, and rolling bodies provided at longitudinal ends of vane, where vane is unrolled on inner circumference trajectory over rolling bodies |
| 01/05/2012 | DE102010026033A1 Rotary vane pump for use as component of brake booster in motor car, has wing comprising guide contour that is guided in guide track introduced on front wall, so that wing doses not contact with inner circumference web of inner space |
| 01/05/2012 | DE102010026031A1 Rotary vane pump has rotor, which is rotatably mounted in interior space and has slot running perpendicular to rotational axis and blade movably supported in slot of rotor |
| 01/05/2012 | DE10026694B4 Pumpe mit progressiven Kammern mit Verbundstator und Verfahren zu ihrer Herstellung Pump with progressive Chambers of Verbundstator and process for their preparation |
| 01/04/2012 | EP2401503A1 Integrated electric vane oil pump |
| 01/04/2012 | EP1534957B1 Screw compressor discharge flow guide |
| 01/04/2012 | CN202100457U Blade type combined pump of oiling machine |
| 01/04/2012 | CN202100456U Aluminum alloy steering pump |
| 01/04/2012 | CN202100455U Stator structure of steering vane pump |
| 01/04/2012 | CN202100454U Slideway type sliding piece hydraulic pump |
| 01/04/2012 | CN202100453U Supporting type double-screw pump |
| 01/04/2012 | CN202100452U Single-suction double-screw pump |
| 01/04/2012 | CN102305211A Combined type self-priming pump |
| 01/04/2012 | CN101223363B Gear pump |
| 01/04/2012 | CN101014758B Concentric internal combustion rotary engine |
| 01/03/2012 | US8087913 Gear pump with unequal gear teeth on drive and driven gear |
| 01/03/2012 | US8087912 Crankshaft having first and second eccentric portions |
| 12/29/2011 | WO2011161117A2 Continuously variable volume hydrostatic rotary piston machine |
| 12/29/2011 | WO2011033426A3 Oscillating vane pump |
| 12/29/2011 | WO2010136015A3 Pump, particular vane-type pump |
| 12/29/2011 | US20110318211 Scroll compressor |
| 12/28/2011 | EP2399044A1 Synchronization gearbox for a multi-axle rotating piston machine |
| 12/28/2011 | CN202091194U 一种带流量调节阀的高压泵 A high-pressure pump with a flow control valve |
| 12/28/2011 | CN202091193U Vane pump with novel vane structure |
| 12/28/2011 | CN202091192U 一种液压泵 One kind of pump |
| 12/28/2011 | CN202091191U 无密封件齿轮泵 Unsealed gear pump |
| 12/28/2011 | CN202091190U 内部排油马达泵 Internal drain pump motor |
| 12/28/2011 | CN202091189U 双向外啮合齿轮泵 Bidirectional external gear pump |
| 12/28/2011 | CN202091188U 三联外啮合齿轮泵 Triple external gear pump |
| 12/28/2011 | CN202091187U 高低压双联齿轮泵 High and low double gear pump |
| 12/28/2011 | CN202091186U 齿轮分流器 Gear splitter |
| 12/28/2011 | CN202091185U 齿轮泵 Gear pumps |
| 12/28/2011 | CN202091184U 螺旋密封型五螺杆泵 Sealed five spiral screw |
| 12/28/2011 | CN202091183U 一种环状气囊补偿密封三空间转子泵 A cyclic three space balloon compensation seal rotor pump |
| 12/28/2011 | CN202091182U 内啮合齿轮泵 Internal gear pump |
| 12/28/2011 | CN202091181U 用于汽车的油泵 An oil pump for automotive |
| 12/28/2011 | CN202091180U 一种用于汽车的油泵 An oil pump for an automobile |
| 12/28/2011 | CN202091179U 一种多重增压装置 A multi-boosting device |
| 12/28/2011 | CN202090958U 旋阀机构及应用该旋阀机构的星旋式转动装置 Rotary valve mechanism and application of the spin valve body rotating device rotating star |
| 12/28/2011 | CN102297131A 配流盘及安装有该配流盘的液压泵 Valve plate and the valve plate mounted hydraulic pump |
| 12/28/2011 | CN102297130A 高效固定排量叶片泵 Efficient fixed displacement vane pump |
| 12/28/2011 | CN101929459B 汽车液压动力转向叶片泵 Automotive hydraulic power steering vane pump |
| 12/28/2011 | CN101852206B 一种并联式双螺杆泵 One kind of parallel twin screw |
| 12/28/2011 | CN101832264B 油泵转子 Pump rotor |
| 12/28/2011 | CN101586561B 高压齿轮油泵 High pressure gear pump |
| 12/22/2011 | WO2011159833A1 Pumping systems |
| 12/22/2011 | WO2011158167A2 Fluidic gear machine with flow rate regulation |
| 12/22/2011 | WO2011158011A2 Stator for progressive cavity pump/motor |
| 12/22/2011 | WO2011126881A3 Undercut stator for a positive displacement motor |
| 12/22/2011 | WO2011012362A3 Gear pump |
| 12/22/2011 | US20110311387 High efficiency fixed displacement vane pump |
| 12/22/2011 | DE102011104324A1 Hocheffiziente Konstantförderflügelzellenpumpe High-efficiency constant delivery vane pump |
| 12/22/2011 | CA2797602A1 Stator for progressive cavity pump/motor |
| 12/21/2011 | EP2396551A2 Wear resistant sliding plates for an external gear pump |
| 12/21/2011 | EP2396507A1 Pump |
| 12/21/2011 | CN202082098U 限压式变量叶片泵 Pressure limiting type variable vane pump |