Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 2 - Rotary-piston machines or pumps
Patents for F04C 2 - Rotary-piston machines or pumps (14,296)
07/2012
07/12/2012WO2012094534A2 Percutaneous heart pump
07/12/2012WO2012093274A2 Semi-plugged star gerotor and method of assembling the same
07/12/2012DE102011122642A1 Reversible Gerotorpumpe Reversible gerotor pump
07/12/2012DE102004001817B4 Innenachsige Zahnradpumpe mit variabler Förderleistung Internal-gear pump with variable capacity
07/12/2012CA2823951A1 Percutaneous heart pump
07/12/2012CA2823823A1 Semi-plugged star gerotor and method of assembling the same
07/11/2012EP1716336B1 Pumping system
07/11/2012CN202326230U 油泵用粉末冶金内外转子总成 Inside and outside the pump rotor assembly with PM
07/11/2012CN202326223U 一种片弹簧锥形弹簧组合补偿双腔叶片泵 One kind of leaf springs conical springs combined compensation dual-chamber vane pump
07/11/2012CN202326222U 一种圆柱弹簧组合补偿单腔叶片泵 Spring combined compensation for Cylindrical single chamber vane pump
07/11/2012CN202326221U 一种外圆辐条弹簧组合小弹簧单腔叶片泵 One kind of a combination of small cylindrical spokes spring springs single chamber vane pump
07/11/2012CN202326220U 一种片弹簧内压通道组合补偿双腔叶片泵 One kind of leaf springs combined compensation channel dual-chamber internal pressure vane pump
07/11/2012CN202326219U 一种小弹簧内压通道组合补偿双腔叶片泵 Within a small spring-channel dual-chamber vane pump combined compensation
07/11/2012CN202326218U 一种片弹簧碟形弹簧组合补偿单腔叶片泵 One kind of leaf springs disc springs combined compensation single chamber vane pump
07/11/2012CN202326217U 一种碟形弹簧组合补偿单腔叶片泵 Dish spring combined compensation single chamber vane pump
07/11/2012CN202326216U 一种片弹簧宝塔形弹簧组合补偿单腔叶片泵 One kind of leaf springs pagoda-shaped spring combined compensation single chamber vane pump
07/11/2012CN202326215U 一种小弹簧内压组合补偿单腔叶片泵 Single-chamber pressure combined compensation vane pump, a small spring
07/11/2012CN202326214U Steering pump for controlling flow by solenoid valve and flow control device for power steering pump for automobile
07/11/2012CN202326213U 高压低噪音齿轮泵 Low-noise high-pressure gear pump
07/11/2012CN202326212U 一种轴向浮动式齿轮泵体 An axially floating gear pump
07/11/2012CN202326211U 变速箱用斜齿轮泵 Gearbox with helical gear pumps
07/11/2012CN202326210U 一种齿轮泵 A GEAR pump
07/11/2012CN202326209U 一种齿轮泵 A GEAR pump
07/11/2012CN202326208U 新型凸轮式双转子泵 The new dual-rotor pump cam
07/11/2012CN202326207U 食品输送用内啮合齿轮泵 Food conveying internal gear pump
07/11/2012CN202326206U 改良型机油泵 Modified oil pump
07/11/2012CN202326205U 食品加工用的齿轮泵 Gear pumps used in food processing
07/11/2012CN202326204U 一种圆柱弹簧补偿五空间转子泵 One kind of cylindrical rotor pump spring compensate five space
07/11/2012CN202326203U 一种圆柱弹簧补偿四空间转子泵 One kind of cylindrical rotor pump spring compensated four space
07/11/2012CN202326202U 一种压力气囊补偿密封五空间转子泵 A pressure compensation seal five space balloon pump rotor
07/11/2012CN202326201U 一种弹簧补偿五空间转子泵 One kind of spring compensated five space rotor pump
07/11/2012CN202326200U 一种弹簧补偿四空间转子泵 One kind of spring compensated four space rotor pump
07/11/2012CN102575670A Oscillating vane pump
07/11/2012CN102575669A Double internal gear pump
07/11/2012CN102562582A Silicon-steel coating liquid conveying pump
07/11/2012CN102562581A Spherical vane type hydraulic pump
07/11/2012CN102562580A Spherical vane hydraulic pump with oil discharging on shell
07/11/2012CN102562579A Stator curve for sliding vane pump and vane pump with stator curve
07/11/2012CN102562578A Sheet spring and excircle spoke spring combined compensation dual-cavity blade pump
07/11/2012CN102562577A Extra-high pressure gear oil pump
07/11/2012CN102562576A Milk delivery pump
07/11/2012CN102562575A External gear pump
07/11/2012CN102562574A Single-screw pump
07/11/2012CN101413499B Method for manufacturing trochoid pump and trochoid pump obtained
07/10/2012US8215937 Fluid machine with divided housing
07/10/2012US8215935 Multiple rotor fluid transfer engine
07/10/2012CA2540437C Downhole motor seal and method
07/10/2012CA2509808C Fluid cannon positive displacement pump
07/09/2012DE202011004920U1 Volumen modifizierende Pumpe Modifying volume pump
07/05/2012WO2012090968A1 Uniaxial eccentric screw pump
07/05/2012US20120171061 Gear pump
07/04/2012CN202301018U 内啮合齿轮泵的前后支架 Internal gear pump before and after stent
07/04/2012CN202301016U 一种双螺杆泵型面结构 A dual screw-type surface structure
07/04/2012CN202301015U 一种密封型齿形型线螺杆 A sealed screw-type tooth profile
07/04/2012CN202301014U 汽车转向助力泵用带油孔的转子 Power steering pump with a hole in the rotor
07/04/2012CN202301009U 四齿轮式齿轮泵 Four gear gear pump
07/04/2012CN202301008U 微型齿轮泵 Micro gear pump
07/04/2012CN202301007U 齿轮泵 Gear pumps
07/04/2012CN202301006U 内置轴承双三头双螺杆泵 Built-bearing double three pairs of screw
07/04/2012CN202301005U 螺杆泵驱动用新型插接实心杆 Screw driver with a new plug solid rod
07/04/2012CN202301004U 双补偿型内啮合齿轮泵 Gear pump double-compensated
07/04/2012CN102536811A Rotary wind-driven lifting machine with two corner pistons
07/04/2012CN102536810A Gear root geometry for increased carryover volume
07/04/2012CN102536809A Vane pump without stator wear, hydraulic motor and trailing suction slurry pump
07/04/2012CN102536808A Sliding vane pump and method using sliding vane pump to convey fluid
07/04/2012CN102536807A Raw oil lifting system and method for conveying fluid by utilizing sliding vane pump
07/04/2012CN102536806A Magnetic-force driven sliding-vane pump for conveying liquefied natural gas
07/04/2012CN102536805A Vane pump
07/04/2012CN102536804A Cylindrical vane hydraulic pump
07/04/2012CN102536803A Shell oil distribution type cylindrical blade hydraulic pump
07/04/2012CN102536802A Power steering pump
07/04/2012CN102536801A Vane pump without stator wearing and similar compressor and trailing suction mud pump
07/04/2012CN102536800A Steering gear pump
07/04/2012CN102536799A Cylindrical-spring compensation gear pump
07/04/2012CN102536798A Compensation gear pump for internal-pressure passage
07/04/2012CN102536797A Compensation gear pump for air pocket rings
07/04/2012CN102536796A Compensation gear pump for annular spoke springs
07/04/2012CN102536795A Cone spring compensation gear pump
07/04/2012CN102536794A Self-lubricating single-screw pump
07/04/2012CN102536793A Internally tangent barrel-shaped four-rotor displacement pump
07/04/2012CN101858346B 齿轮泵 Gear pumps
07/04/2012CN101371045B Rotary fluid pressure device and improved parking lock assembly therefor
07/04/2012CN101360899B Internal combustion engine
07/04/2012CN101205905B Oil pump and method of assembling the oil pump
07/04/2012CN101178064B Oil supplying apparatus for engine
07/04/2012CA2743691A1 Progressive cavity pump rod guide
07/03/2012US8210836 Vane cell pump with adjustable output
06/2012
06/28/2012WO2012088312A2 Diaphragm pump and motor system and method
06/28/2012WO2012087699A1 Controlled gerotor actuated pre-trans parallel hybrid
06/28/2012WO2012083421A1 Rotary pump with a vane provided in each pump outlet
06/28/2012US20120164018 Metering pump with special-shaped cavity
06/28/2012US20120164010 Diaphragm Pump and Motor System and Method
06/28/2012US20120164009 Electric pump unit
06/28/2012DE102010064193A1 Innenzahnradpumpe Internal gear pump
06/28/2012DE102010064130A1 Axialscheibe und Zahnradpumpe mit Axialscheibe Thrust washer and gear pump with axial disc
06/28/2012DE102010055682A1 Gehäuse einer Außenzahnradmaschine und Außenzahnradmaschine Housing an external gear unit and external gear unit
06/28/2012CA2819178A1 Rotary pump with a vane provided in each pump outlet
06/27/2012EP2469092A1 Rotor for pump and internal gear pump using same
06/27/2012EP2469091A2 Housing for an external gear machine and external gear machine with a housing
06/27/2012CN202284541U 整体滑片旋转泵 Overall rotary vane pump
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