| Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516) |
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| 05/08/2007 | US7214041 Seal assemblies |
| 04/25/2007 | EP1777413A2 Two-stage rotary compressor |
| 04/25/2007 | CN1952813A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 04/19/2007 | WO2007042135A1 Rotor pump |
| 04/19/2007 | WO2007042134A1 Rotor pump and vane for a rotor pump |
| 04/18/2007 | EP1775475A2 Scroll machine |
| 04/18/2007 | CN1950609A 旋转式压缩机 Rotary compressor |
| 04/11/2007 | EP1772630A2 Scroll machine |
| 04/11/2007 | EP1772629A2 Scroll machine |
| 04/11/2007 | CN1309961C Leaking oil proof sturctrue for vacuum pump |
| 04/11/2007 | CN1309959C Displacement changing device of vortex compressor |
| 04/10/2007 | US7201568 Scroll fluid machine |
| 04/10/2007 | US7201378 Strip brush seal |
| 04/04/2007 | EP1770282A1 Tip seal in a scroll fluid machine |
| 04/04/2007 | CN1940300A Tip seal in a scroll fluid machine |
| 04/04/2007 | CN1308633C A refrigeration system |
| 03/29/2007 | US20070071628 Compressor |
| 03/28/2007 | EP1766238A1 Single-winged vacuum pump |
| 03/28/2007 | CN2883736Y Oil leakage preventing vacuum pump |
| 03/28/2007 | CN1936333A Tip seal in a scroll fluid machine |
| 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 |
| 03/22/2007 | US20070065326 Rotary piston and methods for operating a rotary piston as a pump, compressor and turbine |
| 03/22/2007 | US20070065324 Rotary compressor |
| 03/21/2007 | CN1934335A Rotary type expansion machine |
| 03/15/2007 | US20070059195 Rotary piston pump end pressure regulation system |
| 03/14/2007 | EP1762727A2 Scroll machine with sleeve guide |
| 03/14/2007 | CN2878732Y Soft connection sealing type Roots blower |
| 03/08/2007 | US20070053782 Rotary type expander and fluid machinery |
| 03/07/2007 | EP1760318A2 Dual volume-ratio scroll machine |
| 02/28/2007 | EP1757813A1 Tip seal in a scroll fluid machine |
| 02/28/2007 | EP1757812A1 Rotating fluid machine |
| 02/28/2007 | CN1920305A Compressor |
| 02/22/2007 | US20070041860 Rotary vane air pump |
| 02/21/2007 | EP1753959A2 Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations |
| 02/21/2007 | CN2871923Y Anti-explosive and leadkage-proofing Roots blower |
| 02/21/2007 | CN2871922Y Two-way gland-sealed compressor of air conditioner for automobile |
| 02/21/2007 | CN1916417A Revolve type compressor |
| 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 |
| 02/20/2007 | US7178502 Balanced rotary internal combustion engine or cycling volume machine |
| 02/15/2007 | US20070036666 Rotary fluid machine |
| 02/14/2007 | EP1751425A2 Rotary vane pump |
| 02/14/2007 | EP1606155B1 Pump |
| 02/08/2007 | US20070031277 Controlled-clearance sealing compressor devices |
| 02/08/2007 | US20070031276 Rotary compressor |
| 02/07/2007 | CN1910364A Scroll wrap tip with abradable selectively applied coating and load-bearing surface |
| 02/07/2007 | CN1908438A Capacity modulated scroll machine |
| 02/07/2007 | CN1908437A Capacity modulated scroll machine |
| 02/01/2007 | US20070025870 Eccentric pump, and use thereof |
| 02/01/2007 | US20070023001 Balanced rotary internal combustion engine or cycling volume machine |
| 02/01/2007 | US20070022771 Cooling system with variable capacity control |
| 02/01/2007 | DE102005033707A1 Compressor for the air conditioning unit of a vehicle comprises an axial sliding ring seal radially impinged with pressure prevailing in the compressor at the height of a gap arranged between a sliding ring and a counter ring |
| 01/25/2007 | US20070018408 Strip brush seal |
| 01/24/2007 | CN1900526A Capacity modulated scroll machine |
| 01/18/2007 | WO2007006666A1 Rotary vacuum pump |
| 01/17/2007 | CN1898472A Scroll fluid machinery |
| 01/17/2007 | CN1896519A Compound compressors |
| 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 |
| 01/10/2007 | CN1894507A Scroll compressor |
| 01/10/2007 | CN1892034A Two stage type screw compressor |
| 01/04/2007 | US20070003425 Rotary fluid machine |
| 01/04/2007 | US20070003423 Variable capacity rotary compressor |
| 01/04/2007 | US20070003422 Unit for delivering fuel to an internal combustion engine |
| 01/03/2007 | CN1888484A Structure for preventing water coming into turbine fuel and fuel leakaging |
| 01/03/2007 | CN1293306C Vortex Compressor |
| 12/28/2006 | US20060288715 Compressor with capacity control |
| 12/26/2006 | US7153093 Vacuum pump |
| 12/22/2006 | CA2551292A1 Stator for an eccentric single-rotor screw pump and method for its production |
| 12/13/2006 | CN1289820C Compressor |
| 12/06/2006 | CN2844508Y Cylinder and buffle structure of compressor |
| 11/30/2006 | WO2006127535A1 Rotating vane combustion engine |
| 11/29/2006 | EP1726779A1 Rotary type expansion machine |
| 11/28/2006 | CA2183595C Perfected twin-screw pump, particularly suitable for the pumping of biphase fluids in a submarine environment |
| 11/23/2006 | WO2005067519A3 Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations |
| 11/23/2006 | US20060263227 Electric compressor |
| 11/21/2006 | US7137796 Scroll compressor |
| 11/15/2006 | EP1287298B1 Control system of degree of superheat of air conditioner and control method thereof |
| 11/14/2006 | US7134853 Scroll compressor having a flow rate controlling member inserted into a high pressure fluid introducing passageway |
| 11/08/2006 | EP1719912A2 Rotating scroll compressor |
| 11/08/2006 | CN1283923C Double volume ratio whiral machinery |
| 11/02/2006 | US20060245966 Rotor pump |
| 11/02/2006 | EP1717448A2 Rotary vane compressor |
| 11/02/2006 | EP1717447A2 Rotary vane compressor |
| 10/25/2006 | CN2830713Y 大型罗茨鼓风机 Large blower |
| 10/18/2006 | CN1847661A 压缩机 Compressor |
| 10/18/2006 | CN1280544C Power modulating vortex machine |
| 10/17/2006 | USRE39346 Scroll compressor with lubrication of seals in back pressure chamber |
| 10/12/2006 | WO2006106069A1 Shaft seal |
| 10/12/2006 | US20060228246 Vacuum pump |
| 10/12/2006 | US20060228245 Single-vane rotary pump or motor |
| 10/12/2006 | CA2601180A1 Shaft seal |
| 10/11/2006 | EP1709324A1 Scroll wrap tip with abradable selectively applied coating and load-bearing surface |
| 10/10/2006 | US7118358 Scroll compressor having a back-pressure chamber control valve |
| 10/05/2006 | US20060222544 Rotary machine with orbiting twin blades, especially for expansion drive units and compressors |
| 10/05/2006 | DE102005015212A1 Shaft sealing for e.g. rotary screw pump, has seal gap connected with locking gas chamber, and discharge opening connected with gas chamber and suction chamber, where seal gap is arranged between inner and outer sealing rings |
| 10/04/2006 | EP1311763B1 Pressure seal for a vacuum pump |
| 10/03/2006 | US7114930 Compressor |
| 09/28/2006 | US20060216186 Seal assemblies |
| 09/27/2006 | EP1366297B1 Water-injected screw compressor |