Patents for F03C 2 - Rotary-piston engines (2,448)
11/2007
11/15/2007US20070264146 Screw compressor for high input power
11/07/2007EP1851415A1 Compressor unloading valve
11/07/2007EP1763620A4 Compressor unloading valve
11/06/2007US7290994 Rotary hermetic compressor and refrigeration cycle system
11/01/2007US20070253854 Compressor with oil bypass
11/01/2007US20070253852 Compact Eccentric Screw Pump
10/2007
10/30/2007US7287969 Rotary fluid pressure device and improved brake assembly for use therewith
10/25/2007US20070248482 Internal gear pump
10/25/2007US20070248480 Multiple Section External Gear Pump With the Internal Manifold
10/24/2007EP1846640A1 Compressor slide valve lubrication
10/23/2007US7284972 Scroll compressor with stop structure to prevent slider block movement
10/16/2007US7281913 Compressor including integrally formed separation tube and seal bolt
10/16/2007US7281912 Compressor having a safety device being built in at least one of the screw plugs of the oil-separator
10/11/2007US20070237664 Backflow preventing apparatus for compressor
10/09/2007US7278841 Gerotor pump
10/09/2007US7278840 Compliant viscous seal for fluid transfer device
10/09/2007US7278839 Multi-stage vacuum pump
10/04/2007US20070231173 Scroll compressor
10/04/2007US20070231172 Scroll fluid machine
10/02/2007US7275921 Pumps
10/02/2007US7275920 Rotary piston machine
10/02/2007US7275919 Rotary engine seal assembly
10/02/2007US7275918 Scroll apparatus with an axial gap control function
09/2007
09/27/2007US20070224070 Scroll compressor with stop structure to prevent slider block movement
09/26/2007CN101042150A Hydraulic motor
09/26/2007CN101042053A Hollow external rotation hydraulic motor
09/25/2007US7273363 Scroll compressor with slider block having recess
09/25/2007US7273362 Scroll compressor with an eccentric pin having a higher contact point
09/25/2007US7273361 Coupling structure of eccentric bush of scroll compressor
09/25/2007US7273360 Vane-type hydraulic motor
09/20/2007WO2007106090A1 Slide valve with hot gas bypass port
09/20/2007WO2007060642B1 Rotary motor with intermittent movements of the rotors
09/20/2007US20070217940 Pneumatic tool with pressure-stabilizing cylinder
09/20/2007US20070217939 Gas-compression module for a fuel cell
09/20/2007US20070217936 Scroll compressor
09/20/2007US20070217934 Scroll compressor
09/18/2007US7270521 Variable capacity rotary compressor with pressure adjustment device
09/13/2007US20070212246 Scroll compressor
09/13/2007US20070212245 Scroll fluid machine
09/12/2007CN101035982A Lubrication system for compressor
09/06/2007US20070207049 Twin-plate rotary compressor
09/05/2007CN101029640A Sliding-block hydraulic pump and motor
09/05/2007CN100335807C Fluid dispensation method
09/04/2007US7264455 Rotary positive displacement hydraulic machines
09/04/2007US7264454 Rotary combustion engine with an improved inner seal
09/04/2007US7264453 Horizontal scroll compressor having a connecting passage on the opposite side of a suction port for connecting a motor accommodating chamber with a suction chamber
09/04/2007US7264452 Rotor position control for rotary machines
08/2007
08/30/2007US20070201998 Rotary Working Machine Provided With An Assembly Of Working Chambers With Periodically Variable Volume, In Particular A Compressor
08/30/2007US20070201997 Scroll Compressor
08/30/2007US20070201996 Motor-compressor unit mounting arrangement for compressors
08/28/2007US7261528 Scroll pump with load bearing synchronization device
08/28/2007US7261527 Compressor check valve retainer
08/28/2007US7261526 Cylinder for a vane motor
08/23/2007WO2007031078B1 Water explosion engine, method, and device
08/23/2007US20070196227 Rotary expander
08/23/2007US20070196226 Scroll fluid machine
08/16/2007US20070189914 Rotary engine seal assembly
08/16/2007US20070189912 Advanced scroll compressor, vacuum pump, and expander
08/14/2007US7255546 Spindle for a vane motor
08/14/2007US7255545 Double-lobe type rotor design process
08/14/2007US7255544 Housing including shock valves for use in a gerotor motor
08/14/2007US7255543 Scroll compressor and air-conditioning system for vehicle using the scroll compressor
08/14/2007US7255542 Compressor with check valve orientated at angle relative to discharge tube
08/09/2007WO2005110251A3 Surgical pneumatic motor for use with mri
08/09/2007US20070183915 Compressor with fluid injection system
08/09/2007US20070183914 Suction baffle for scroll compressors
08/09/2007DE102005058911B3 Hydraulische Maschine Hydraulic machine
08/08/2007EP1816315A1 Axial flow progressive cavity type gas generator
08/08/2007CN2931840Y Water supply end-face flow distribution cycloidal gear motor
08/07/2007US7252487 Multi-stage rotary compressor having rollers which are different in thickness
08/02/2007US20070178003 Gear pump with ripple chamber for low noise and pressure ripples
08/02/2007US20070178002 Scroll compressor
08/02/2007US20070178001 Scroll fluid machine
08/01/2007CN2929290Y Multigear hydraulic motor
07/2007
07/26/2007WO2007083232A2 Rotary fluid pressure device and improved parking lock assembly therefor
07/26/2007US20070172376 Vacuum pump
07/26/2007US20070172375 Non-eccentric devices
07/25/2007EP1809898A2 Rotary fluid-driven motor with sealing elements
07/24/2007US7247009 Scroll compressor with slider block having upper surface over enlarged area
07/24/2007US7247008 Cam ring bearing for fuel delivery system
07/19/2007US20070166182 Pneumatic tool
07/17/2007US7244114 Scroll compressor
07/17/2007CA2417565C Stator for down hole drilling motor
07/12/2007US20070160489 Oil pump for a compressor
07/12/2007US20070160488 Scroll compressor
07/12/2007US20070160487 Rotary combustion apparatus
07/10/2007US7241121 Scroll fluid machine
07/10/2007US7241109 Seal system
07/05/2007WO2007031078A9 Water explosion engine, method, and device
07/05/2007WO2006125010A3 Balancing plate-shuttle ball
07/04/2007EP1802858A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine
07/04/2007CN1324307C Non round gear and volumetric flowmeter using same
07/03/2007US7238012 Rotary pump
07/03/2007US7238011 Scroll compressor
06/2007
06/28/2007US20070148030 Roots type fluid machine
06/27/2007EP1800003A1 Screw compressor seal
06/26/2007US7234926 Air compressor assembly
06/26/2007US7234925 Screw pump
06/26/2007US7234924 Rotary combustion engine with device for conveying lubricating oil
06/21/2007WO2006062844A3 Rotationally induced variable volume chambers
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