Patents for F03C 2 - Rotary-piston engines (2,448)
06/2008
06/25/2008EP1934477A1 Net-displacement control of fluid motors and pumps
06/25/2008EP1934472A1 Slide valve
06/24/2008US7390182 Rotor structure of pneumatic tool
06/24/2008US7390181 Rotating piston machine
06/24/2008US7390180 Oil pumping device of hermetic compressor
06/19/2008US20080145256 Hermetic rotary compressor
06/19/2008US20080145255 Hydraulic pump for vehicle
06/17/2008US7387503 Scroll fluid machine having a fixed scroll with a heat-releasing projection
06/12/2008WO2008069773A1 Compressor slide valve support
06/11/2008CN101198766A Balancing plate-shuttle ball
06/10/2008US7384250 Oil discharge preventing apparatus of scroll compressor
06/10/2008US7383898 Inner and outer motor with eccentric stabilizer
06/03/2008US7381039 Rotary compressor having a stepped cover of a discharge muffler chamber
05/2008
05/28/2008CN101187366A Highly effective inner mesh gear pump or motor
05/27/2008US7377759 Scroll fluid machine with a self-rotation-preventing device having ears for an orbiting scroll
05/21/2008DE102006053957A1 Hydraulische Zahnradmaschine Hydraulic gear machine
05/13/2008US7371059 Scroll compressor with discharge valve
05/07/2008CN201057122Y Strong-sealing high-speed stream cycloid hydraulic motor and high-pressure rotating shaft seal
05/01/2008US20080101972 Single-Way Valve For Scroll Compressor
04/2008
04/29/2008US7364418 Scroll fluid machine having an adjustment member with a deformable element
04/24/2008WO2008046423A1 Arrangement for transmitting torsional forces
04/24/2008US20080095652 Roudong Volume Variation Method for Fluid Machinery and Its Mechanisms and Applications
04/22/2008US7361003 Slider adapting apparatus for orbiting vane compressors
04/17/2008DE102005052398B4 Zahnradmotor Gear motor
04/10/2008DE102006047312A1 Hydraulische Maschine Hydraulic machine
04/08/2008US7354258 Stator for an eccentric single-rotor screw pump and method for its production
04/01/2008US7351046 Shaft-hub connection
03/2008
03/26/2008CN100376815C Lubricating-fluid infusion apparatus
03/25/2008US7347675 Vane rotary expansion engine
03/19/2008CN101144461A Pore-pin type cycloid rotor motor
03/18/2008US7344367 Rotary compressor having a discharge valve
03/18/2008US7344365 Scroll compressor with bypass holes communicating with an intake chamber
03/18/2008US7344364 Fluid machine
03/13/2008WO2008030228A1 Blending pump assembly
03/12/2008CN201034135Y Energy-collection type absorber
03/11/2008US7341439 Scroll fluid machine having an adiabatic expansion chamber
03/11/2008US7341438 Scroll-type fluid machine including passage formed in movable scroll
03/05/2008CN101137840A Compressor noise suppression
03/04/2008US7338268 Discharge valve device of a compressor
02/2008
02/26/2008US7335004 Apparatus for varying capacity in scroll compressor
02/21/2008WO2007062626B1 Water explosion engine, method, and device
02/21/2008US20080044305 Sealed-type rotary compressor and refrigerating cycle device
02/20/2008CN201025074Y Hollow outside rotary hydraulic motor
02/20/2008CN101128647A Unload valve of compressor
02/20/2008CN101126369A Hydraulic pressure generating system
02/19/2008US7331774 Back pressure control mechanism of orbiting scroll in scroll compressor
02/14/2008WO2003102420A9 Gear pump
02/14/2008US20080038135 Corrosion resistant hydraulic motor
02/13/2008CN101124406A Device for controlling parasitic losses in a fluid pump
02/12/2008US7329106 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle
02/12/2008CA2464113C Offset thread screw rotor device
02/07/2008US20080031763 Variable capacity pump/motor
02/07/2008US20080031757 Spherical fluid machines
02/06/2008CN101117940A High pressure and large torque cycloid hydraulic motor and special hob cutter
02/06/2008CN101116920A Hydraulic pressure threading machine
02/06/2008CN100366909C Variable capacity rotary compressor
02/05/2008US7326039 Apparatus for varying capacity of scroll compressor
01/2008
01/30/2008EP1882081A2 Balancing plate-shuttle ball
01/30/2008CN101115908A Compressor uninstalling valve
01/30/2008CN101115907A Compressor valve spool lubrication
01/30/2008CN100365300C Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device
01/29/2008US7322809 Rotary compressor with sealing portions and oil-supply groove
01/22/2008US7320579 Roots type fluid machine
01/17/2008US20080014108 Vane cell pump
01/15/2008US7318712 Rotary piston machines comprising a displaceable inner housing
01/10/2008US20080008614 Horizontal type scroll compressor
01/10/2008DE102005036483B4 Hydraulische Rotationsmaschine Hydraulic rotary machine
01/09/2008CN101103197A Screw compressor seal
01/08/2008US7316550 Scroll compressor
01/08/2008US7316549 Step-type capacity varying apparatus of scroll compressor
01/08/2008US7316548 Stator for an eccentric screw pump or an eccentric worm motor operating on the Moineau principle
01/03/2008US20080003124 Hydrostatic Rotary Cylinder Engine
01/01/2008US7314358 Scroll fluid machine having an adjustment member for correcting an error in orbiting motion between fixed and orbiting scrolls
01/01/2008US7314357 Seal member for scroll compressors
01/01/2008US7314356 Fluid machine
01/01/2008US7314355 Compressor including deviated separation chamber
12/2007
12/27/2007US20070297928 Rotary vane machiine
12/26/2007CN200996353Y High-pressure cycloidal hydraulic motor with large torsional moment
12/26/2007CN200996300Y Hydraulic motor of planar valve cycloid
12/21/2007WO2007146999A2 Rotor with cut-outs
12/20/2007US20070292295 Rotor with cut-outs
12/20/2007US20070292294 Scroll compressor
12/19/2007CN100356064C 涡旋式压缩机 Scroll compressor
12/13/2007DE102005043855B4 Hydraulische Maschine Hydraulic machine
12/12/2007CN100354524C 可变容量旋转式压缩机 The variable capacity rotary compressor
12/11/2007US7306440 Vane pump including rotor having eccentric gravity center
12/05/2007CN101082336A internal gear rotary pump or motor
12/05/2007CN100353067C 可变容量旋转压缩机 The variable capacity rotary compressor
12/04/2007US7303380 Rotary engine with improved seal assembly
11/2007
11/28/2007EP1859163A2 Pressure sealed tapered screw pump/motor
11/28/2007CN100351555C Discharge high-pressure axle seal element
11/27/2007US7300267 Unit for delivering fuel to an internal combustion engine
11/22/2007WO2007062626A3 Water explosion engine, method, and device
11/22/2007US20070269327 Constant Pressure Type and Fully Enclosed Scroll Compressor for Vehicle
11/21/2007EP1856407A1 Compressor sound suppression
11/21/2007CN100350152C 气压发动机 Air motors
11/20/2007US7296983 Gas compression apparatus capable of preventing lubricant leakage
11/20/2007US7296982 Air supply device
11/15/2007WO2007129403A1 Rotary type fluid machine
11/15/2007US20070264148 Gear pump arrangement
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