Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516)
01/2006
01/19/2006CA2575781A1 Single-winged vacuum pump
01/18/2006EP1025403B1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
01/11/2006CN1236212C Vortex compressor
01/10/2006US6984465 Seal-leak detector arrangement for compressors and other equipment
01/04/2006CN1715812A Digital scroll condensing unit controller
01/04/2006CN1715654A High pressure roots blower
12/2005
12/29/2005US20050287028 Scroll fluid machine
12/22/2005US20050281697 Scroll compressor with recess on crankcase or orbiting scroll
12/21/2005EP1607633A1 Vacuum pump
12/21/2005EP1606155A1 Pump
12/01/2005US20050265880 Backpressure mechanism of scroll type compressor
11/2005
11/30/2005CA2470805A1 Method and apparatus for preventing oil discharge from a vacuum pump
11/29/2005US6969243 Scroll compressor with recess on crankcase or orbiting scroll
11/29/2005US6969242 Compressor
11/24/2005WO2005111427A1 Rotary compressor
11/24/2005US20050260091 Rotary device for use in an engine
11/23/2005EP1598615A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598614A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598613A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598612A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598611A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005CN1699753A Scroll compressor
11/17/2005US20050254984 Shared slot vane pump
11/16/2005EP1595078A1 A scroll pump and method of assembling same
11/10/2005WO2005106204A1 Balanced rotary internal combustion engine or cycling volume machine
11/10/2005US20050249624 Piston rotary pump of variable flow
11/10/2005US20050249623 Dust seal in a scroll fluid machine
11/09/2005EP1593850A2 Seal for a scroll fluid machine
11/09/2005CN1695016A Powder-metallurgically produced piston body comprising support webs and method for the production thereof
11/02/2005CN1690425A Dual volume-ratio scroll machine
11/02/2005CN1690423A Scroll fluid machine
10/2005
10/30/2005CA2467479A1 Balanced rotary internal combustion engine or cycling volume machine
10/26/2005EP1588053A1 Coated end wall of a compressor chamber and method of manufacture thereof
10/20/2005US20050232799 Scroll fluid machine
10/19/2005CN1683793A 涡旋式压缩机 Scroll compressor
10/13/2005WO2005094547A2 Rotary vane pump
10/13/2005US20050226755 Scroll compressor
10/12/2005CN1680718A Dual volume-ratio scroll machine
10/06/2005US20050220655 Rolling piston and gas leakage preventing apparatus for rotary compressor having the same
10/06/2005US20050220654 Apparatus for preventing overheating of scroll compressor
10/06/2005US20050220652 Compressor
10/05/2005CN1678829A Seal-leak detector arrangement for compressors and other equipment
10/05/2005CN1676937A Apparatus for preventing overheating of scroll compressor
09/2005
09/29/2005US20050214153 Rotary vane pump
09/29/2005US20050214152 Rotary vane pump
09/28/2005CN1673543A 涡旋压缩机 Scroll Compressor
09/22/2005WO2005088079A1 Rotary type expansion machine
09/21/2005CN1220004C Control system of degree of superheat of air conditioner and control method thereof
09/20/2005US6945759 Engine driven dry air pump with a flange mounted oil drain
09/20/2005US6945218 Rotary pistons
09/15/2005WO2005085643A1 Vacuum pump
09/14/2005EP1574715A1 Scroll compressor
09/07/2005CN2723736Y Connection part for vacuum pump
09/07/2005CN1664476A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
09/07/2005CN1664475A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
09/07/2005CN1664474A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
09/07/2005CN1664473A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
09/07/2005CN1664373A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
09/07/2005CN1664372A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
09/01/2005US20050191198 Two-stage rotary compressor
08/2005
08/31/2005EP1568887A2 Two-stage rotary compressor
08/31/2005CN1661238A Two-stage rotary compressor
08/30/2005US6935852 Scroll compressor having a back pressure chamber comprising high and middle pressure chambers
08/24/2005CN1657781A Scroll compressor
08/23/2005US6932586 Scroll-type compressor
08/18/2005US20050180874 Apex split seal
08/18/2005DE10327418B4 Berührungslos arbeitende Gasdichtung Non-contacting gas seal
08/10/2005EP1562011A2 Digital controller for scroll compressor condensing unit
08/04/2005WO2005071259A1 Scroll wrap tip with abradable selectively applied coating and load-bearing surface
08/04/2005US20050169787 Compressor
08/04/2005US20050167220 Powder-metallurgically produced piston body comprising support webs and method for the production thereof
08/04/2005DE10306547B4 Drehkolbenmaschine Rotary engine
08/03/2005CN1213232C Swirl compressor
07/2005
07/28/2005WO2005067519A2 Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations
07/28/2005DE102004058399A1 Fluidmaschine Fluid machine
07/27/2005CN1644927A Compressor
07/20/2005EP1555437A1 Compressor
07/20/2005CN1211584C Vortex compressor
07/14/2005WO2005064166A1 Scroll compressor
07/14/2005US20050152802 Scroll compressor
07/14/2005US20050152793 Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations
07/14/2005US20050152792 Compressor
07/13/2005EP1553302A2 Rotary vane compressor
07/13/2005EP1553301A1 Vane type vacuum pump
07/13/2005CN1637298A 压缩机 Compressor
07/13/2005CN1637297A 涡旋压缩机 Scroll Compressor
07/13/2005CN1637296A Compressor
07/12/2005US6916162 Scroll compressor
07/07/2005US20050147517 Vacuum pump
07/05/2005US6913448 Load-regulating device for scroll type compressors
06/2005
06/30/2005WO2005059366A1 Scroll fluid machinery
06/30/2005US20050142019 Compressor
06/29/2005CN1632314A Method for preventing sealing leakage of double screw compressor
06/23/2005US20050135956 Scroll compressor
06/22/2005EP1544467A2 Scroll compressor
06/22/2005EP1543254A1 Powder-metallurgically produced piston body comprising support webs and method for the production thereof
06/22/2005CN1629485A 涡旋压缩机 Scroll Compressor
06/16/2005US20050129558 Electric compressor and assembling method thereof
06/16/2005US20050129557 Electric compressor
06/15/2005EP1540181A1 Seal-leak detector arrangement for compressors and other equipment
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