Patents for F03C 2 - Rotary-piston engines (2,448)
03/2015
03/03/2015US8967987 Scroll compressor having at least one bypass hole
02/2015
02/26/2015DE102014111827A1 Eine Art von Radialrollhydraulikmotor mit mehrreihigen Radialkugeln vom Kugelkolben-Typ One type of radial rolling hydraulic motor with multi-row radial ball from the ball plunger-type
02/24/2015US8961157 Vane pump
02/19/2015WO2015021496A1 A concentric rotary fluid machine
02/17/2015US8956134 Fixed-vane positive displacement rotary devices
02/17/2015US8956131 Scroll compressor
02/17/2015US8956128 Spherical expansion compressor adapted to variable working conditions
02/11/2015CN102536624B 一种球形叶片液压马达 Leaves of a spherical hydraulic motor
02/11/2015CN102434378B 液压空调用整体式液压马达 Hydraulic overall hydraulic motors for air conditioning
02/10/2015US8951028 Rotary machine of the deformable rhombus type comprising an improved transmission mechanism
02/10/2015US8950377 Hybrid internal combustion engine (variants thereof)
02/04/2015CN204140385U 一种改进的叶片式液压机械 An improved vane-type hydraulic machinery
02/04/2015CN104329216A 一种轴配流摆线液压马达 One kind of axial flow of cycloid hydraulic motor
02/04/2015CN104329215A 一种内置制动延迟阀的回转马达 A built motor brake delay rotary valve
02/03/2015US8944793 Flow and pressure ripple reduction with advance dual gear and bearing face cut
02/03/2015US8944791 Compressor assembly having oil separation feature
02/03/2015US8944790 Compressor with cyclone and internal oil reservoir
02/03/2015US8944789 Enhanced elastomeric stator insert via reinforcing agent distribution and orientation
02/03/2015US8944788 Net-displacement control of fluid device
01/2015
01/28/2015CN104314745A 一种摆线液压马达通油孔 One kind cycloid hydraulic motor through hole
01/27/2015US8939742 Compressor with steel and cast iron sliding materials
01/27/2015US8939741 Scroll compressor
01/20/2015US8936449 Hermetic compressor and manufacturing method thereof
01/20/2015US8936448 Rotary compressor having main cylinder chamber and sub-cylinder chamber with an end plate received therein
01/20/2015US8936445 Reduced noise fluid pump
01/20/2015US8936004 Rotary piston engine
01/15/2015DE102014010170A1 Drehflügelmotor Rotary vane engine
01/15/2015DE102014010167A1 Drehmotor mit hohem drehmoment Rotary motor with high torque
01/14/2015CN204099190U 一种单片双滚偏心旋转变容装置 A monolithic double roller rotates eccentrically variable capacitance device
01/14/2015CN104279119A 旋转叶片式马达 Rotary vane motor
01/14/2015CN104279118A 一种煤矿机械中的非圆行星齿轮液压马达系统 One kind of mining machinery in the non-circular planetary gear hydraulic motor system
01/13/2015US8932036 Compressor seal assembly
01/07/2015CN204082533U 偏心活动叶片泵 Eccentric activities vane pump
01/07/2015CN104265560A 双输出内转子非圆锥齿轮液压马达 Double output within a non-bevel gear hydraulic motor rotor
12/2014
12/24/2014CN204041448U 互不串油的三联齿轮马达泵 And do not string of triple gear oil pump motor
12/24/2014CN204041445U 一种低磨损液压机械 A low-wear hydraulic machinery
12/23/2014US8915725 Compressor in which a shaft center of a suction pipe is disposed to not correspond to a shaft center of a refrigerant suction passage of a stationary shaft and an upper end of the stationary shaft protrudes higher than a bottom of an accumulator chamber
12/17/2014CN102787967B 一种液压动力装置 A hydraulic power unit
12/10/2014CN204003262U 油乳介质通用非圆行星齿轮液压马达 General non-oil emulsion medium circular planetary gear hydraulic motors
12/09/2014US8905738 Revolving vane expander having delivery conduit arranged to control working fluid flow
12/09/2014US8905735 Gerotor apparatus for a quasi-isothermal Brayton cycle engine
12/09/2014US8905734 Compressor
12/09/2014US8905733 Progressing cavity pump/motor
12/02/2014US8899948 Fretting-corrosion-prevention oscillating vane type pump actuator
12/02/2014US8899947 Compressor
11/2014
11/25/2014US8894394 Scroll fluid machine having a communication hole connecting an oil supply port with a first bearing to open towards a fixed scroll and being on a radially outer side of an orbiting end plate
11/25/2014US8894393 Oil pump for vehicle
11/25/2014US8893566 Fluid rotary machine with a sensor arrangement
11/18/2014US8888476 Horizontal scroll compressor
11/18/2014US8888474 Downhole motors and pumps with asymmetric lobes
11/11/2014US8882482 Compressor
11/04/2014US8876504 Pump rotor combining and eccentrically disposing an inner and outer rotor
10/2014
10/28/2014US8870557 Rotor and hydraulic motor including the rotor
10/21/2014US8864479 Multi-stage scroll machine
10/14/2014US8858204 Dry vacuum pump having multiple lubricant reservoirs
10/14/2014US8858202 Rotary diaphragm pump
10/07/2014US8851869 Internal gear pump
10/07/2014US8851868 Scroll compressor including flow path with differing axial extents
09/2014
09/30/2014US8845310 Scroll compressor with cover covering driving shaft of driving motor
09/23/2014US8840384 Scroll compressor capacity modulation with solenoid mounted outside a compressor shell
09/18/2014US20140271309 Torque-generating steering device
09/16/2014US8834132 Apparatus having control valve and variable capacitance pump and hydraulic pressure circuit of internal combustion engine in which the same apparatus is used
09/12/2014WO2014136198A1 Rotary drive device
09/12/2014WO2014136186A1 Gear pump or motor
09/09/2014US8827669 Screw pump having varying pitches
09/09/2014US8827667 Scroll compressor with cover covering driving shaft of driving motor
09/04/2014US20140248171 Variable displacement pump having rotating cam ring
09/02/2014US8821143 Vane rotary compressor
09/02/2014US8821142 Pump or motor for liquid or gaseous media having an increased diameter shaft toward a slanted sliding plane
09/02/2014US8821139 Balance plate assembly for a fluid device
09/02/2014US8821138 Gerotor apparatus for a quasi-isothermal Brayton cycle engine
08/2014
08/26/2014US8814546 Compressor
08/19/2014US8807975 Rotary compressor having gate axially movable with respect to rotor
08/19/2014US8807974 Split discharge vane pump and fluid metering system therefor
08/19/2014US8807972 Housingless positive displacement pump assembly
08/14/2014WO2014123490A2 Hydraulic gear motor, gear pump and gearbox with continuously variable parameters.
08/14/2014DE102013002679A1 Turbine und Verfahren zum Betreiben einer Turbine Turbine and method for operating a turbine
08/12/2014US8801413 Helical gear pump
08/12/2014US8801410 Coupling shaft for gear pump
08/06/2014CN103975162A 液压装置 Hydraulics
08/06/2014CN103967528A 旋转式扩张引擎 Rotary expansion engine
08/06/2014CN103967526A 具有转轮连杆活塞机构的流体动力机械 Hydrodynamic mechanical linkage with a runner piston mechanism
08/05/2014US8794944 Screw spindle machine and method of manufacturing the same
08/05/2014US8794942 Vacuum pump with connection nipple for connection between a rotor shaft and a drive
08/05/2014US8794941 Compressor with liquid injection cooling
08/05/2014US8794940 Scroll-type refrigerator compressor
08/05/2014CA2744549C Valve-controlled downhole motor
07/2014
07/31/2014WO2014014985A3 Freewheel hydraulic motor
07/31/2014WO2014014984A3 Combined motor and brake with rotating brake-release piston
07/30/2014CN203742894U 一种空心轴直驱式多级低速大扭矩液压马达 One kind of hollow shaft direct drive multi-stage low speed high torque hydraulic motor
07/30/2014CN203742893U 一种中成螺杆钻具使用的中空马达 A screw hole in a hollow motor used
07/30/2014CN203742892U 大排量整体式转定子副摆线液压马达 Large displacement integral to the stator vice cycloid hydraulic motor
07/29/2014US8790098 Compressor having output adjustment assembly
07/29/2014US8790097 Refrigerant compressor and heat pump apparatus
07/23/2014CN103939335A 一种双作用变量叶片泵或马达 A dual role of variable vane pump or motor
07/22/2014US8784087 Roots type fluid machine
07/22/2014US8784086 Rotary piston steam engine with rotary variable inlet-cut-off valve
07/16/2014CN203717232U 一种泵及马达的液压控制机构 A hydraulic control mechanism of the pump and the motor
07/16/2014CN102392781B 一种液压马达 A hydraulic motor
07/09/2014CN203702332U 一种车载液压取力发电装置 A vehicle-mounted hydraulic power take-generation device
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