| Patents for F03C 4 - Oscillating-piston engines (772) |
|---|
| 05/20/2008 | US7374411 Oil pump adapted to prevent leakage without using sealing member |
| 04/29/2008 | US7364415 Twin piston fluid compressor or pump apparatus with an annular bore housing |
| 04/22/2008 | US7361005 Rotary compressor having discharge muffling |
| 04/22/2008 | US7361003 Slider adapting apparatus for orbiting vane compressors |
| 04/08/2008 | US7354260 Pneumatic motor including a rotor in a cylinder between two covers in a shell from which air travels into the cylinder through the covers |
| 04/02/2008 | CN100378334C Scroll compressor |
| 04/01/2008 | US7351047 Swash-plate variable volume chamber-type fluid machine |
| 03/26/2008 | CN100376815C Lubricating-fluid infusion apparatus |
| 03/25/2008 | US7347678 Friction reducing seal ring for gear pump |
| 03/25/2008 | US7347677 Vane pump |
| 03/25/2008 | US7347676 System for the construction of pumps, compressor, and motor engines, formed by a rotary chamber and pistons which are driven in the same direction at varying velocities alternatively opposite to each other, inside a fixed open or closed structure |
| 03/18/2008 | US7344364 Fluid machine |
| 02/28/2008 | WO2008024505A2 Orbital engine |
| 02/28/2008 | WO2007117288A3 Rotary piston internal combustion engine |
| 02/28/2008 | US20080050261 Contacting bearing protector |
| 02/28/2008 | US20080050258 Orbital engine |
| 02/27/2008 | CN101131157A Scroll compressor |
| 02/14/2008 | WO2003102420A9 Gear pump |
| 02/06/2008 | CN100366909C Variable capacity rotary compressor |
| 01/30/2008 | CN100365300C Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device |
| 01/03/2008 | DE102006030711A1 Radial slewing motor especially for vehicle, has sliding sealing ring with internal diameter determined by diameter of rotor shaft |
| 01/01/2008 | US7314359 Vane pump for continuously variable transmission |
| 01/01/2008 | US7314356 Fluid machine |
| 01/01/2008 | US7314355 Compressor including deviated separation chamber |
| 12/19/2007 | CN100356064C 涡旋式压缩机 Scroll compressor |
| 11/27/2007 | US7300267 Unit for delivering fuel to an internal combustion engine |
| 11/15/2007 | US20070264148 Gear pump arrangement |
| 11/14/2007 | CN101070813A Split impeller-type hydraulic swinging-motor shell and fixed vane connection method |
| 10/30/2007 | US7287969 Rotary fluid pressure device and improved brake assembly for use therewith |
| 10/11/2007 | US20070237664 Backflow preventing apparatus for compressor |
| 10/09/2007 | US7278839 Multi-stage vacuum pump |
| 09/25/2007 | US7273361 Coupling structure of eccentric bush of scroll compressor |
| 09/18/2007 | US7270521 Variable capacity rotary compressor with pressure adjustment device |
| 09/05/2007 | CN100335807C Fluid dispensation method |
| 08/30/2007 | WO2007095773A1 Sealing system for an oscillating-piston engine |
| 08/30/2007 | US20070201997 Scroll Compressor |
| 08/30/2007 | US20070201996 Motor-compressor unit mounting arrangement for compressors |
| 08/30/2007 | CA2642765A1 Sealing system for an oscillating-piston engine |
| 08/28/2007 | US7261528 Scroll pump with load bearing synchronization device |
| 08/23/2007 | US20070196226 Scroll fluid machine |
| 08/16/2007 | US20070189914 Rotary engine seal assembly |
| 08/14/2007 | US7255545 Double-lobe type rotor design process |
| 08/14/2007 | US7255544 Housing including shock valves for use in a gerotor motor |
| 08/14/2007 | US7255543 Scroll compressor and air-conditioning system for vehicle using the scroll compressor |
| 08/14/2007 | US7255542 Compressor with check valve orientated at angle relative to discharge tube |
| 08/09/2007 | WO2005110251A3 Surgical pneumatic motor for use with mri |
| 08/09/2007 | US20070183915 Compressor with fluid injection system |
| 07/26/2007 | US20070170796 Sealing device for a radial swivel motor |
| 07/19/2007 | US20070166182 Pneumatic tool |
| 07/12/2007 | WO2007076617A1 Oscillating piston machine with valveless antechamber charging |
| 07/12/2007 | US20070160488 Scroll compressor |
| 07/05/2007 | WO2006125010A3 Balancing plate-shuttle ball |
| 07/04/2007 | EP1802858A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 06/26/2007 | US7234923 Scroll fluid machine having a dust seal fitted within annular groove and having ends overlapped in the wider portion of the annular groove |
| 06/14/2007 | US20070134117 Scroll type compressor with an enhanced sealing arrangement |
| 06/07/2007 | US20070128064 Meshing surfaces for intersecting vanes |
| 06/07/2007 | US20070128063 Rotating piston machine |
| 05/31/2007 | US20070122303 Oil pump of scroll compressor |
| 05/31/2007 | US20070122302 Ductile cast iron scroll compressor |
| 05/10/2007 | US20070104602 Scroll fluid machine |
| 05/08/2007 | US7214043 Scroll type hydraulic machine |
| 05/03/2007 | US20070098585 Vacuum pump |
| 04/26/2007 | US20070092393 Gas release port for oil-free screw compressor |
| 04/26/2007 | US20070092391 Horizontal scroll compressor |
| 04/26/2007 | US20070092390 Scroll compressor |
| 04/19/2007 | WO2007042612A1 Pressure medium powered rotary apparatus unit and system |
| 04/19/2007 | US20070086908 Volumetric screw compressor |
| 04/19/2007 | US20070086907 Gearwheel and method for manufacturing a gearwheel |
| 04/05/2007 | US20070077160 Scroll compressor with slider block having upper surface over enlarged area |
| 03/29/2007 | US20070071629 Twin screw compressor |
| 03/29/2007 | US20070071625 Blending pump assembly |
| 03/27/2007 | US7195469 Dust seal in a scroll fluid machine |
| 03/22/2007 | US20070065327 Oil pump rotor assembly |
| 03/22/2007 | US20070065326 Rotary piston and methods for operating a rotary piston as a pump, compressor and turbine |
| 03/15/2007 | WO2005081890A3 Archimedean conveyors and combustion engines |
| 03/15/2007 | US20070059192 Flanged sleeve guide |
| 03/08/2007 | US20070053782 Rotary type expander and fluid machinery |
| 03/07/2007 | CN1926366A Sealing device for a radial swivel motor |
| 03/01/2007 | US20070048162 Multistage root type pump |
| 02/27/2007 | US7182106 Fluid dispensation method |
| 02/22/2007 | WO2007021371A2 Scroll compressor discharge port |
| 02/15/2007 | US20070036668 Scroll compressor discharge port improvements |
| 02/15/2007 | US20070036666 Rotary fluid machine |
| 02/14/2007 | EP1751425A2 Rotary vane pump |
| 02/13/2007 | US7175401 Variable capacity rotary compressor |
| 02/08/2007 | US20070031275 Fluid machine |
| 02/01/2007 | US20070025870 Eccentric pump, and use thereof |
| 01/30/2007 | US7168463 Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device |
| 01/23/2007 | US7165949 Cavitation noise reduction system for a rotary screw vacuum pump |
| 01/18/2007 | US20070014681 Retrorotating, post-rotating and birotating prime movers |
| 01/16/2007 | US7163386 Scroll compressor having a movable auxiliary portion with contact plane of a stopper portion to contact a pane of the fixed scroll through elastic pressure of high pressure fluid |
| 01/11/2007 | US20070009372 Oil pump for an internal combustion engine |
| 01/04/2007 | US20070003425 Rotary fluid machine |
| 01/04/2007 | US20070003422 Unit for delivering fuel to an internal combustion engine |
| 11/28/2006 | US7141888 Antirotational structures for wave energy converters |
| 11/23/2006 | WO2006125010A2 Balancing plate-shuttle ball |
| 11/23/2006 | US20060263229 Balancing plate--shuttle ball |
| 11/23/2006 | US20060263225 Scroll compressor |
| 11/16/2006 | US20060257277 Rotary piston machine |
| 11/15/2006 | EP1721095A1 Sealing device for a radial swivel motor |