| Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516) |
|---|
| 11/16/2011 | CN102242713A Novel vacuum pump |
| 11/16/2011 | CN102242710A Vacuum pump |
| 11/16/2011 | CN101316999B 氢g循环旋转内燃发动机 G hydrogen rotary combustion engine cycle |
| 11/02/2011 | EP2382382A2 Rotary vane engines with movable rotors,and engine systems comprising same |
| 11/01/2011 | CA2503914C Shared slot vane pump |
| 10/20/2011 | CA2796169A1 Liquid ring pump and method for operating a liquid ring pump |
| 10/19/2011 | EP1899608B1 Rotary vacuum pump |
| 10/12/2011 | CN101319672B Cyclone compressor |
| 10/05/2011 | CN202001305U Sealing device of roots fan spindle |
| 09/28/2011 | CN102200130A Seal structure of oil-free vortex compressor |
| 09/15/2011 | WO2011110019A1 Rotary compressor |
| 09/15/2011 | WO2011018598A3 Scroll pump |
| 08/31/2011 | CN102171458A Integrated pump for compressible fluids |
| 08/31/2011 | CN102168673A Sealing method and structure at back end of spindle of horizontal scroll compressor |
| 08/24/2011 | CN102162448A Melt pump |
| 08/18/2011 | US20110200477 Gerotor hydraulic pump |
| 08/11/2011 | DE102011010501A1 Kompressor Compressor |
| 08/10/2011 | CN201925165U Shaft seal structure for vacuum pump |
| 08/10/2011 | CN101592151B Screw fluid machinery |
| 08/09/2011 | US7993118 Liquid-cooled rotor assembly for a supercharger |
| 08/03/2011 | CN201916197U 涡旋压缩机密封结构和包含该密封结构的涡旋压缩机 A scroll compressor comprising the sealing structure and the sealing structure of a scroll compressor |
| 07/27/2011 | CN201908839U Screw sealing structure of water lubricated single-screw compressor |
| 07/21/2011 | US20110176947 Rotary engine vane cap apparatus and method of operation therefor |
| 07/21/2011 | CA2786559A1 Formed seal ring for a liquid gas separating element |
| 07/20/2011 | CN201902332U Dry gas sealing device for turbo compressor |
| 07/20/2011 | CN201902331U Static pressure type dry air sealing device for screw compressor |
| 07/14/2011 | WO2011031766A3 Optimized discharge port for scroll compressor with tip seals |
| 07/13/2011 | CN201896752U Blower with spiral labyrinth seal |
| 07/06/2011 | CN201891608U Rotor vehicle air conditioner compressor |
| 07/05/2011 | US7972126 Power steering system hydraulic pump |
| 06/29/2011 | CN201884283U End surface sealing device for oscillating compressor or engine piston |
| 06/29/2011 | CN101383534B Motor for vacuum pump |
| 06/15/2011 | EP2331823A1 Vacuum pump |
| 06/15/2011 | CN102094824A Self-sealing mechanism of scroll compressor |
| 06/08/2011 | CN102089524A Compressor having capacity modulation system |
| 06/02/2011 | CA2687649A1 Containment cup for a pumping assembly |
| 06/01/2011 | CN1966983B Rotating and swing type compressor structure |
| 06/01/2011 | CN101305188B Scroll compressor and its manufacture method |
| 05/26/2011 | US20110123381 Compressor |
| 05/25/2011 | EP2325492A1 Scroll fluid machine |
| 05/25/2011 | CN102076972A Rotor assembly for rotary compressor |
| 05/25/2011 | CN102072157A Dynamic sealing structure of planetary transmission shaft for pump |
| 05/24/2011 | US7946828 Screw type liquid ring pump with shaft seal arrangement |
| 05/19/2011 | WO2011058339A2 Vacuum pump |
| 05/11/2011 | CN201827079U Seal structure of rotary shaft of roots blower |
| 05/11/2011 | CN102052319A 蒸汽压缩机 Steam compressor |
| 04/27/2011 | CN1896519B Compound compressors |
| 04/27/2011 | CN102037218A A vane with tilting tips, and a rotary displacement pump using this vane |
| 04/21/2011 | WO2011046591A1 Internal combustion engine and supercharger |
| 04/21/2011 | CA2776812A1 Internal combustion engine and supercharger |
| 04/20/2011 | CN201802623U Synchronous air flue no-pulse paw-shaped dry type oiless vacuum pump |
| 04/13/2011 | EP2307732A2 Pd pumps with a common gearbox module and varying capacities and easy access to mechanical seals |
| 04/13/2011 | EP2307730A2 Compressor having capacity modulation system |
| 04/06/2011 | EP2306024A2 Scroll pump with isolation barrier |
| 04/06/2011 | EP2304182A1 A vane with tilting tips, and a rotary displacement pump using this vane |
| 04/06/2011 | EP2044330B1 Rotor pump |
| 04/06/2011 | EP1595078B1 A scroll pump and method of assembling same |
| 04/06/2011 | CN102003391A Scroll fluid machine |
| 04/06/2011 | CN101203677B 旋转式真空泵 Rotary vacuum pump |
| 03/31/2011 | WO2011037178A1 Dry vacuum pump |
| 03/30/2011 | EP1486676B1 Scroll compressor |
| 03/30/2011 | CN101994692A Compression device with anti-wear device and sealing device |
| 03/23/2011 | EP2299117A2 Scroll-type compressor |
| 03/23/2011 | EP2297464A1 Rotor assembly for rotary compressor |
| 03/22/2011 | US7909336 Arrangement of a shaft with a mechanical face seal mounted thereon |
| 03/17/2011 | WO2011031766A2 Optimized discharge port for scroll compressor with tip seals |
| 03/17/2011 | US20110064597 Optimized Discharge Port for Scroll Compressor with Tip Seals |
| 03/16/2011 | CN101985939A Dry vacuum pump with shaft end dynamic seal structure |
| 02/24/2011 | DE10341104B4 Spiralkompressor Scroll compressor |
| 02/17/2011 | WO2011018648A2 Scroll pump |
| 02/17/2011 | WO2011018642A2 Scroll pump |
| 02/16/2011 | EP2284463A2 Digital controller for scroll compressor condensing unit |
| 02/16/2011 | EP1588053B1 Coated end wall of a compressor chamber and method of manufacture thereof |
| 02/16/2011 | CN101975167A Compressor control system |
| 02/09/2011 | CN201739179U Compound sealing device of claw type dry vacuum pump |
| 02/09/2011 | CN201739178U Novel vacuum pump |
| 01/26/2011 | EP1934480B1 Rotor pump and vane for a rotor pump |
| 01/19/2011 | CN101952598A Scroll compressor bodies with scroll tip seals and extended thrust region |
| 01/19/2011 | CN101952553A Scroll compressor with housing shell location |
| 01/19/2011 | CN101952549A Scroll compressor and baffle for same |
| 01/13/2011 | WO2010118140A3 Compressor having capacity modulation assembly |
| 12/29/2010 | CN201687707U Vortex type booster with magnetic sealing device |
| 12/29/2010 | CN101153597B Energy-saving single-bolt compressor |
| 12/28/2010 | USRE42006 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 12/16/2010 | US20100316520 Liquid pump |
| 12/09/2010 | WO2010072526A3 Vacuum pump |
| 12/08/2010 | EP1709324B1 Scroll wrap tip with abradable selectively applied coating and load-bearing surface |
| 12/08/2010 | CN101910638A A displacement pump with a barrier against the fluid leakage |
| 11/23/2010 | USRE41955 Capacity modulation for plural compressors |
| 11/17/2010 | EP2250375A1 Integrated pump for compressible fluids |
| 11/17/2010 | EP2250344A1 Scroll compressor and baffle for same |
| 11/03/2010 | EP2245310A1 Scroll compressor bodies with scroll tip seals and extended thrust region |
| 11/03/2010 | CN101156008B Shaft sealing and vacuum pump with the shaft sealing |
| 10/28/2010 | US20100270747 Non-metallic brush seal |
| 10/27/2010 | EP2243958A2 Compressor and refrigerating apparatus having the same |
| 10/27/2010 | EP2242927A2 A displacement pump with a barrier against the fluid leakage |
| 10/27/2010 | EP2242906A1 Scroll compressor with housing shell location |
| 10/14/2010 | WO2010118140A2 Compressor having capacity modulation assembly |
| 10/07/2010 | US20100254843 Scroll compressor |
| 10/06/2010 | CN101852208A Radial seal structure for scroll compressor |