| Patents for F03C 2 - Rotary-piston engines (2,448) |
|---|
| 11/17/2009 | US7618248 Screw compressor with intermediate plate |
| 11/17/2009 | US7618246 Eccentric screw pump having conical sealing surfaces |
| 11/17/2009 | US7618245 Fluid machine |
| 11/11/2009 | CN100559025C Hydraulic pressure generating system |
| 11/10/2009 | US7614861 Rotary fluid-driven motor with sealing elements |
| 11/10/2009 | US7614859 Scroll compressor with certain pressure ratio between discharge pressure and suction pressure and with certain ratio of diameter of orbiting mirror plate and outer diameter of the annular seal |
| 11/04/2009 | EP1436505B1 Switched resonant power conversion electronics |
| 11/03/2009 | US7611345 Structure for preventing axial leakage in scroll compressor |
| 11/03/2009 | US7611341 Capacity varying type rotary compressor |
| 10/29/2009 | WO2009130798A1 Motor |
| 10/28/2009 | EP2111498A1 Adjustable coolant pump |
| 10/27/2009 | US7607906 Gear pump arrangement with erosion resistant insert |
| 10/27/2009 | US7607905 Fluid compressing system having oil-releasing port being between oil chamber and oil-adjusting tank for returning oil |
| 10/27/2009 | US7607902 Closed compressor and refrigerating cycle apparatus |
| 10/20/2009 | US7604465 Fluid machine and scroll compressor having a crankshaft with a large diameter shaft section |
| 10/15/2009 | US20090256452 Hydrostatic energy generation unit |
| 09/23/2009 | CN101542114A Rotary fluid pressure device with modular multi-speed control mechanism |
| 09/16/2009 | CN101535633A Long life telescoping gear pumps and motors |
| 09/15/2009 | US7588433 Vane pump |
| 09/15/2009 | US7588431 Variable capacity pump/motor |
| 09/15/2009 | US7588429 Oil pump rotor assembly |
| 09/15/2009 | US7588428 Rotary fluid device performing compression and expansion of fluid within a common cylinder |
| 09/15/2009 | US7588426 Oil rotary vacuum pump and manufacturing method thereof |
| 09/08/2009 | US7585164 Backflow preventing apparatus for compressor |
| 09/08/2009 | US7585163 Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 09/08/2009 | US7585162 Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 09/02/2009 | CN101523046A Compressor slide valve support |
| 09/01/2009 | US7581936 Hermetically sealed compressor having oil supply mechanism based on refrigerant pressure |
| 08/25/2009 | US7578665 Drive transmission mechanism between two or more rotary shafts and oil-free fluid machine equipped with the mechanism |
| 08/25/2009 | US7578663 Combined pump with rotodynamic impeller |
| 08/13/2009 | WO2009098773A1 Gear wheel pump or motor |
| 08/13/2009 | WO2009049879A3 Hydraulic motor in an annular ring design with a distributor plate which is integrated into the rotor housing |
| 08/11/2009 | US7572119 Air cylinder for pneumatic tool |
| 08/11/2009 | US7572118 Rotary machine with orbiting twin blades, especially for expansion drive units and compressors |
| 08/11/2009 | US7572116 Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 08/06/2009 | US20090193843 Turbo compressor and refrigerator |
| 08/06/2009 | US20090193841 Turbo compressor and refrigerator |
| 08/04/2009 | US7568898 Compressor sound suppression |
| 07/29/2009 | CN100520059C High pressure and large torque cycloid hydraulic motor and special hob cutter |
| 07/29/2009 | CN100520058C Lubrication system for compressor |
| 07/28/2009 | US7566212 Vane pump with blade base members |
| 07/22/2009 | CN201277143Y Low-fluctuation crescent gear motor |
| 07/22/2009 | CN100516522C Gear pump |
| 07/21/2009 | US7563086 Oscillating piston machine |
| 07/21/2009 | US7563085 Multicylinder rotary compressor and compressing system and refrigerating unit provided with same |
| 07/21/2009 | US7563084 Rotary fluid machine |
| 07/08/2009 | CN201269163Y Novel compound gear type gear motor |
| 07/07/2009 | US7556484 Compressor having a small-width portion and a large-width portion in an inner circumferential sliding surface of a swinging roller |
| 07/07/2009 | US7556483 Electronic compressor having a reservoir chamber and an oil return passage for connecting the reservoir chamber with a suction chamber |
| 07/07/2009 | US7556015 Rotary device for use in an engine |
| 06/30/2009 | US7553144 Gas compressor having a pair of housing heads |
| 06/30/2009 | US7553142 Lubrication system for compressor |
| 06/30/2009 | US7553141 Rotary fluid machine with a suction shutoff angle of the outer cylinder chamber being greater than a suction shutoff angle of the inner cylinder chamber |
| 06/30/2009 | US7553139 Progressing cavity pump with wobble stator and magnetic drive |
| 06/30/2009 | US7553134 Switch valve structure of fluid machine |
| 06/25/2009 | US20090162230 Vane Pump with Improved Internal Port Placement |
| 06/24/2009 | CN101463792A Low-speed high-torque hydraulic motor of non-circular gear epicyclic gear train |
| 06/24/2009 | CN100504063C Pore-pin type cycloid rotor motor |
| 06/23/2009 | US7549851 Rotary fluid machine having a pair of rotation mechanisms and a partition plate disposed between the rotation mechanisms |
| 06/11/2009 | US20090148309 Variable displacement pump having a rotating cam ring |
| 06/10/2009 | CN100497940C Scroll wrap tip with abradable selectively applied coating and load-bearing surface |
| 06/10/2009 | CN100497939C Screw compressor seal |
| 06/03/2009 | EP2064442A2 Rotary fluid pressure device with modular multi-speed control mechanism |
| 06/02/2009 | US7540729 Vane cell pump |
| 06/02/2009 | US7540727 Capacity varying type rotary compressor |
| 06/02/2009 | CA2496951C Compact rotary compressor with carbon dioxide as working fluid |
| 05/28/2009 | DE102008019925A1 Hydraulic gear machine has housing for supporting two gear wheels which are combined together and mounted in bearing bodies, and housing is closed at front side with lid |
| 05/26/2009 | US7537440 Scroll compressor with multiple isolated inlet ports |
| 05/20/2009 | EP2059672A2 Long life telescoping gear pumps and motors |
| 05/19/2009 | US7534101 Pump with radial packing ring |
| 05/14/2009 | US20090123316 Gear pump |
| 05/13/2009 | CN201236769Y Multi-gear hydraulic motor |
| 05/12/2009 | US7530801 Bi-directional disc-valve motor and improved valve-seating mechanism therefor |
| 05/06/2009 | CN201232632Y Multifunctional rotary ball pump |
| 05/05/2009 | US7527486 Surgical pneumatic motor for use with MRI |
| 05/05/2009 | US7527484 Muffler of scroll compressor |
| 04/29/2009 | EP1846640A4 Compressor slide valve lubrication |
| 04/29/2009 | CN101418773A High performance spherical hydraulic motor |
| 04/29/2009 | CN101418772A Spherical hydraulic motor |
| 04/29/2009 | CN101418771A High performance hydraulic motor |
| 04/29/2009 | CN101418770A High performance hydraulic motor |
| 04/29/2009 | CN100482954C Hydraulic motor |
| 04/28/2009 | US7524174 Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 04/23/2009 | WO2009049879A2 Hydraulic motor in an annular ring design with a distributor plate which is integrated into the rotor housing |
| 04/23/2009 | DE102007049551A1 Hydromotor in Zahnringbauweise mit ins Rotorgehäuse integrierter Verteilerplatte Hydraulic motor in gear ring design with the rotor housing integrated distributor plate |
| 04/16/2009 | WO2006047241A3 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 04/15/2009 | CN201221436Y Bidirectional gear motor integral seal structure |
| 04/08/2009 | CN100476210C internal gear rotary pump or motor |
| 04/07/2009 | US7513761 Double screw compressor for supplying gas |
| 04/07/2009 | US7513760 Oil pump of scroll compressor |
| 04/02/2009 | DE102007046660A1 Hydraulic pump or hydraulic motor has rotary wing and four axially movable wings, where rotor is provided, which is formed as shaft with circulating curve groove for movement of axial wings |
| 04/01/2009 | CN101400889A Slide valve with hot gas bypass port |
| 03/31/2009 | US7510382 Apparatus for preventing overheating of scroll compressor |
| 03/31/2009 | US7510381 Lubricating system for a rotary compressor |
| 03/25/2009 | CN100472032C Two-lobe rotary machine |
| 03/11/2009 | EP2032803A2 Rotor with cut-outs |
| 03/11/2009 | CN100467860C Cam ring bearing for fuel delivery system |
| 03/10/2009 | US7500838 Vacuum pump with a pair of screw rotors |
| 03/03/2009 | US7497674 Scroll compressor having shoulder and rotation-preventing portions positioned as different phases |
| 03/03/2009 | US7497673 Scroll fluid machine having forced convection generating portion |