| Patents for F03C 2 - Rotary-piston engines (2,448) |
|---|
| 06/21/2007 | US20070140884 Scroll compressor |
| 06/20/2007 | EP1798371A1 Axial flow progressive cavity type gas generator |
| 06/19/2007 | US7232298 Screw compressor in which the trailing flanks of the lobes of at least one rotor body are beveled at an end surface of the rotor body near the outlet port |
| 06/19/2007 | US7232297 Screw pump |
| 06/19/2007 | US7232295 Tempering method for a screw-type vacuum pump |
| 06/14/2007 | US20070134122 Hydraulic pump |
| 06/14/2007 | US20070134120 Vane pump |
| 06/14/2007 | US20070134119 Hydraulic machine |
| 06/14/2007 | US20070134117 Scroll type compressor with an enhanced sealing arrangement |
| 06/12/2007 | US7229262 Rotary piston pump end pressure regulation system |
| 06/12/2007 | US7229261 Scroll compressor having an annular recess located outside an annular seal portion and another recess communicating with suction port of fixed scroll |
| 06/07/2007 | WO2007064866A2 Rotary combustion apparatus |
| 06/07/2007 | US20070128065 Pump |
| 06/07/2007 | US20070128064 Meshing surfaces for intersecting vanes |
| 06/07/2007 | US20070128063 Rotating piston machine |
| 06/07/2007 | US20070128062 Eccentric Screw Pump Having Conical Sealing Surfaces |
| 06/05/2007 | US7226281 Vane pump having vanes slanted relative to rotational axis |
| 06/05/2007 | US7226280 Roots vacuum pump |
| 06/05/2007 | US7226279 Gerotor mechanism for a screw hydraulic machine |
| 05/31/2007 | WO2007060642A1 Rotary motor with intermittent movements of the rotors |
| 05/31/2007 | US20070122303 Oil pump of scroll compressor |
| 05/31/2007 | US20070122302 Ductile cast iron scroll compressor |
| 05/31/2007 | DE102005056909A1 Hydraulic gearwheel machine e.g. reversible outer gear wheel motor, for mobile hydraulic system, has covers with front recesses, where one recess is coupled with leakage oil channel of support latches via grooves for forming oil flow path |
| 05/31/2007 | CA2631319A1 Rotary motor with intermittent movements of the rotors |
| 05/29/2007 | US7223083 Scroll compressor |
| 05/29/2007 | US7223082 Rotary compressor |
| 05/24/2007 | WO2006018848A3 Rotary fluid-driven motor with sealing elements |
| 05/23/2007 | CN1966971A Distribution supporting plate for high-speed distribution cycloid hydraulic motor and method for fabricating same |
| 05/22/2007 | US7220110 Compressor having a throttled-return passage connecting an oil accumulator to a seal container |
| 05/17/2007 | US20070110605 Scroll compressor |
| 05/17/2007 | US20070110604 Scroll machine |
| 05/15/2007 | US7217110 Compact rotary compressor with carbon dioxide as working fluid |
| 05/15/2007 | US7217109 Scroll type hydraulic machine |
| 05/10/2007 | WO2007031078A3 Water explosion engine, method, and device |
| 05/09/2007 | CN1961135A 外科手术气动马达 Surgery Qidongmada |
| 05/08/2007 | US7214045 Spherical fluid machine with flow control mechanism |
| 05/08/2007 | US7214044 Compressor having an oil passage which one end is connected to oil collecting groove and other end is opened to cover end surface of bearing |
| 05/08/2007 | US7214043 Scroll type hydraulic machine |
| 05/08/2007 | US7214042 Progressing cavity pump with dual material stator |
| 05/08/2007 | US7214041 Seal assemblies |
| 05/03/2007 | US20070098586 Fuel pump |
| 05/03/2007 | US20070098585 Vacuum pump |
| 05/03/2007 | DE19847003B4 Innenzahnradmaschine Internal gear pump |
| 05/03/2007 | DE102005052398A1 Gear motor e.g. hydraulic gear motor, has inlet and outlet that are shifted such that inlet is attached to front side and outlet is attached to another front side, where inlet and outlet are fluidically separated from each other by bar |
| 04/26/2007 | US20070092390 Scroll compressor |
| 04/26/2007 | DE19932864B9 Hydraulischer Flügelmotor und hydraulisches System mit einem hydraulischen Flügelmotor Hydraulic vane motor and hydraulic system with a hydraulic vane motor |
| 04/25/2007 | EP1776525A1 Hydrostatic rotary cylinder engine |
| 04/24/2007 | CA2419068C Ring gear machine clearance |
| 04/19/2007 | US20070086908 Volumetric screw compressor |
| 04/19/2007 | US20070086907 Gearwheel and method for manufacturing a gearwheel |
| 04/18/2007 | CN2890449Y High-speed hydraulic motor with valve plate and port cycloid |
| 04/17/2007 | US7204680 Oil supply device of scroll compressor |
| 04/12/2007 | WO2005081913A8 Improvements in spherical fluid machines |
| 04/11/2007 | EP1366289B1 Minimal contact seal positive displacement device, method and apparatus |
| 04/10/2007 | US7201569 Screw compressor |
| 04/10/2007 | US7201568 Scroll fluid machine |
| 04/05/2007 | WO2005081791A3 Lubrication system for compressor |
| 04/05/2007 | US20070077160 Scroll compressor with slider block having upper surface over enlarged area |
| 03/29/2007 | WO2007034301A1 Net-displacement control of fluid motors and pumps |
| 03/29/2007 | WO2005098232A3 Method for the preparation of metal oxides in nanometric particle form |
| 03/29/2007 | US20070071627 Oil pumping device of hermetic compressor |
| 03/28/2007 | EP1766243A2 Lubrication system for compressor |
| 03/27/2007 | US7195470 Scroll compressor having a supply passage connecting the back pressure chamber to discharge pressure region and passing a clearance at a sliding portion |
| 03/27/2007 | US7195469 Dust seal in a scroll fluid machine |
| 03/27/2007 | US7195468 Scroll compressor having frame fixing structure and frame fixing method thereof |
| 03/27/2007 | US7195467 Internal gear machine with variable capacity |
| 03/22/2007 | US20070065325 Scroll compressor |
| 03/22/2007 | US20070062482 Orbital engine/pump with multiple toroidal cylinders |
| 03/22/2007 | DE102005043855A1 Hydraulische Maschine Hydraulic machine |
| 03/21/2007 | EP1763620A1 Compressor unloading valve |
| 03/20/2007 | US7192264 Hyrdraulic motor |
| 03/20/2007 | US7192262 Twin-shaft vacuum pump and method of forming same |
| 03/20/2007 | US7192261 Scroll fluid machine having permanent magnets mounted on respective the stationary and orbiting end plates for preventing axial motion of the orbiting scroll |
| 03/20/2007 | US7192260 Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining |
| 03/15/2007 | WO2007030114A1 Slide valve |
| 03/15/2007 | WO2005081890A3 Archimedean conveyors and combustion engines |
| 03/15/2007 | US20070059195 Rotary piston pump end pressure regulation system |
| 03/15/2007 | US20070059194 Rotor apparatus of pump |
| 03/15/2007 | US20070059192 Flanged sleeve guide |
| 03/13/2007 | US7189068 Sound reduced rotary vane compressor |
| 03/13/2007 | US7189067 Scroll compressor having vacuum preventing structure |
| 03/13/2007 | US7189066 Light gas vacuum pumping system |
| 03/13/2007 | US7188472 Method and hydromachine for controlling a displacement |
| 03/08/2007 | WO2007026323A1 Rotary piston engine |
| 03/06/2007 | US7186101 Gerotor apparatus for a quasi-isothermal Brayton cycle Engine |
| 03/06/2007 | US7186100 Variable capacity rotary compressor |
| 03/01/2007 | WO2005103488A3 Device for controlling parasitic losses in a fluid pump |
| 02/28/2007 | CN1922387A Retro-rotary, post-rotary and bi-rotary power machines (conclusion) |
| 02/28/2007 | CN1920299A Energy converter using fluid as power |
| 02/27/2007 | US7182586 Scroll compressor |
| 02/27/2007 | US7182106 Fluid dispensation method |
| 02/22/2007 | WO2006071787A3 Improved rotor position control fore rotary machines |
| 02/22/2007 | US20070041861 Screw rotor and vacuum pump |
| 02/22/2007 | US20070041860 Rotary vane air pump |
| 02/22/2007 | DE112005000894T5 Vorrichtung zum Steuern bzw. Regeln von parasitären Verlusten in einer Fluidpumpe An apparatus for controlling parasitic losses in a fluid pump |
| 02/20/2007 | US7179070 Variable capacity pump/motor |
| 02/20/2007 | US7179068 Electric compressor |
| 02/20/2007 | US7179067 Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations |
| 02/14/2007 | EP1751425A2 Rotary vane pump |
| 02/13/2007 | US7175402 Eccentric coupling device in radial compliance scroll compressor |