| Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516) |
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| 06/15/2005 | CN1626807A Vortex type compressor for preventing leakage of compressed gas |
| 06/09/2005 | WO2005052374A1 Vacuum pump |
| 06/09/2005 | WO2005052373A2 Rotary compressor |
| 06/09/2005 | US20050123428 Scroll compressor |
| 06/09/2005 | US20050123415 Fluid machine |
| 06/08/2005 | CN1205412C Scroll type compressor |
| 06/02/2005 | WO2005038254A3 Scroll compressor |
| 06/01/2005 | CN1623038A Vane type vacuum pump |
| 05/26/2005 | WO2005047705A1 Vacuum screw pump |
| 05/24/2005 | US6896499 Scroll compressor with flow restriction and back pressure chamber tap |
| 05/24/2005 | US6896497 Axial compliant means for a scroll machine |
| 05/19/2005 | WO2005045249A1 Scroll-type vacuum pump |
| 05/19/2005 | DE102004050415A1 Gaskompressionseinrichtung, die einen Schmiermittelaustritt verhindern kann Gas compression device that can prevent lubricant leakage |
| 05/18/2005 | CN1616827A 空气压缩机 Air compressor |
| 05/17/2005 | US6893235 Scroll compressor |
| 05/17/2005 | US6893234 Non-circular centered seal for back pressure chamber |
| 05/10/2005 | US6890163 Scroll compressor |
| 05/03/2005 | US6887052 Scroll wrap tip with abradable selectively applied coating and load-bearing surface |
| 04/28/2005 | WO2005038254A2 Scroll compressor |
| 04/27/2005 | EP1526283A1 Compressor |
| 04/26/2005 | US6884046 Scroll compressor |
| 04/21/2005 | US20050084404 Gas compression apparatus capable of preventing lubricant leakage |
| 04/20/2005 | CN1607478A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 04/14/2005 | US20050079084 Rotary pistons |
| 04/06/2005 | CN1195965C Heat pump device and compressor used for the same |
| 03/31/2005 | US20050069440 Multistage dry pump |
| 03/30/2005 | EP1519045A2 Multistage dry vacuum pump |
| 03/29/2005 | US6872063 Scroll type compressor having an elastic member urging the movable scroll member toward the fixed scroll member |
| 03/24/2005 | DE10327418A1 Contact-less dry gas sealing for rotary compressor has movable sealing ring lies in axial guide gas tight only on one side, while opposite axial guide by movement gap and additional openings allows calculable passage of gas |
| 03/24/2005 | DE102004030360A1 Pneumatic cylinder for pneumatic tool has two sealing rings located in cavities in sealing caps and installed between bottom walls of cavities and end faces of bearings so that between them exists an air seal arrangement |
| 03/23/2005 | CN1598316A 涡旋压缩机 Scroll Compressor |
| 03/17/2005 | US20050058565 Scroll compressor |
| 03/15/2005 | US6866491 Compressor |
| 03/10/2005 | WO2005021974A1 A compressor |
| 03/09/2005 | EP1287298A4 Control system of degree of superheat of air conditioner and control method thereof |
| 03/09/2005 | CN1592820A Scroll-type compressor |
| 03/03/2005 | DE202004019718U1 Anordnung aus einer Welle mit darauf montierter Gleitringdichtung Assembly of a shaft with mounted mechanical seal |
| 03/03/2005 | DE102004028314A1 Fluidmaschine zum Umwandeln von Wärmeenergie in Drehkraft Fluid machine for converting heat energy into rotational force |
| 03/02/2005 | EP1510695A1 Rotary compressor |
| 03/02/2005 | CN1587702A Seal method for vacuum tube valve |
| 03/01/2005 | US6860728 Scroll compressor sealing |
| 02/23/2005 | EP1508699A1 Scroll-type compressor |
| 02/10/2005 | US20050031479 Rotary fluid machine |
| 02/09/2005 | EP1293674B1 Scroll compressor |
| 02/09/2005 | CN1578878A 压缩机 Compressor |
| 02/03/2005 | WO2005010373A1 Compressor |
| 02/03/2005 | US20050025652 Axial compliant means for a scroll machine |
| 02/02/2005 | CN1573179A Strip brush seal |
| 02/02/2005 | CN1573114A Sliding material and oiling-free vortex compressor |
| 01/26/2005 | EP1499793A1 Scroll type fluid displacement apparatus with fully compliant floating scrolls |
| 01/12/2005 | EP1496262A1 Rotary compressor |
| 01/12/2005 | EP1496260A2 Hermetic compressors |
| 01/12/2005 | EP1496259A2 Hermetic compressors |
| 01/12/2005 | EP1496258A2 Hermetic compressors |
| 01/06/2005 | US20050000483 Ballanced rotary internal combustion engine or cycling volume machine |
| 01/05/2005 | CN1183327C Vortex machine |
| 12/30/2004 | US20040265159 Scroll-type compressor |
| 12/29/2004 | CN2667204Y Efficient vacuum pump |
| 12/23/2004 | WO2004111461A1 Closed compressor |
| 12/23/2004 | WO2004111456A1 Scroll compressor |
| 12/23/2004 | US20040258539 Fluid machine |
| 12/22/2004 | EP1489368A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 12/22/2004 | CN1181262C Screw-type compressor |
| 12/15/2004 | EP1486676A1 Scroll compressor |
| 12/09/2004 | US20040247476 Scroll compressor |
| 12/09/2004 | US20040247475 Scroll fluid machine |
| 12/09/2004 | US20040247474 Rotary compressor |
| 12/08/2004 | CN1179130C Swirl compressor with discharge port and discharge valve on fixed swirl end plate |
| 12/02/2004 | US20040241028 Scroll compressor with flow restriction and back pressure chamber tap |
| 12/01/2004 | EP1482220A1 Strip brush seal |
| 12/01/2004 | EP1482178A1 Vacuum pumping device |
| 11/18/2004 | WO2004099620A1 Improvements in seal assemblies |
| 11/18/2004 | WO2004099619A1 Screw type liquid ring pump |
| 11/17/2004 | EP1476661A1 Vacuum pump |
| 11/17/2004 | EP1141552B1 Screw compressor |
| 11/16/2004 | US6817844 Rotary blower with forced external air cooling |
| 11/11/2004 | WO2004074687A3 Vacuum pump with a plastic blade |
| 11/09/2004 | US6814551 Compressor |
| 11/04/2004 | US20040219048 Scroll fluid machine |
| 11/04/2004 | US20040219045 Enclosed mechanical booster |
| 10/27/2004 | CN1541306A 压缩机 Compressor |
| 10/26/2004 | US6808373 Scroll fluid machine having projections on a wrap peripheral surface |
| 10/14/2004 | US20040202550 Hybrid compressor |
| 10/13/2004 | EP1467100A2 Hermetic compressors |
| 10/07/2004 | US20040197206 Pump with sealed drive area |
| 10/07/2004 | US20040194306 Coated end wall and method of manufacture |
| 10/06/2004 | EP1464841A1 Hermetic compressor |
| 10/06/2004 | EP1464839A1 Hybrid compressor |
| 10/06/2004 | EP1334265A4 Fluid power transfer device |
| 09/30/2004 | US20040191105 Compressor |
| 09/30/2004 | US20040191083 Electric compressor |
| 09/29/2004 | EP1309799B1 Screw-type compressor |
| 09/29/2004 | CN1533480A 旋转式压缩机 Rotary compressor |
| 09/23/2004 | US20040184911 Liquid seal pump of the helical screw type |
| 09/22/2004 | CN1167884C Open compressor |
| 09/16/2004 | WO2004079199A1 Compressor |
| 09/16/2004 | WO2004079197A1 Vacuum pump |
| 09/16/2004 | WO2004078548A1 Pump |
| 09/16/2004 | DE10307040A1 Vacuum pump, especially for power assisted vehicle braking system, includes vane having interior hollow spaces with closed injection holes |
| 09/10/2004 | WO2004076863A1 Scroll compressor |