Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201) |
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01/02/2007 | US7155925 Refrigerant cycle apparatus |
12/27/2006 | CN1292215C Refrigerating device |
12/27/2006 | CN1292171C 压缩机 Compressor |
12/26/2006 | US7153109 Variable capacity rotary compressor |
12/20/2006 | CN1291195C Refrigerating circulation and heat pump type hot water supply device |
12/19/2006 | US7150608 Variable capacity rotary compressor |
12/19/2006 | US7150602 Variable capacity rotary compressor |
12/14/2006 | DE19953690B4 Brennstoffzellensystem mit Spiralkompressor und Spiralregenerator Fuel cell system with scroll compressor and Spiralregenerator |
12/13/2006 | EP1730423A1 Limited slip differential with friction using a pressure generating device |
12/13/2006 | CN1877127A 螺旋压缩机 Screw compressors |
12/12/2006 | US7147444 Assembling mechanism of discharge pipe for hermetic compressor and method thereof |
12/07/2006 | WO2006129448A1 Electric compressor |
12/07/2006 | DE10297064B4 Mehrstufiger Verdichter zur Komprimierung von Gasen Multistage compressor for compressing gases |
12/06/2006 | EP1727985A1 Modular volumetric compressor |
12/06/2006 | EP1727984A1 Expander |
12/06/2006 | CN1873351A Air-conditioner, outdoor unit and refrigeration unit |
12/05/2006 | US7144224 Variable capacity rotary compressor |
11/30/2006 | WO2006126399A1 Hermetic compressor and refrigeration cycle device |
11/30/2006 | WO2006125908A1 Scroll-type refrigerant compressor |
11/29/2006 | EP1726779A1 Rotary type expansion machine |
11/29/2006 | EP1726778A1 Fluid machine |
11/29/2006 | EP1725773A1 Hermetic type compressor with wave-suppressing member in the oil reservoir |
11/29/2006 | EP1454064A4 Check valve of scroll compressor |
11/29/2006 | CN1871436A 旋转式干式真空泵 Rotary dry vacuum pump |
11/29/2006 | CN1287402C Electric machine protector special for hermetically-sealed electric compressor |
11/29/2006 | CN1287090C Horizontal eddy compressor |
11/29/2006 | CN1287087C Closed compressor |
11/28/2006 | US7140846 Vacuum pump having main and sub pumps |
11/28/2006 | US7140844 Variable capacity rotary compressor |
11/23/2006 | US20060263227 Electric compressor |
11/22/2006 | EP1724436A1 Rotary type expansion machine |
11/22/2006 | EP1724135A2 Compressor and method of manufacturing the same |
11/22/2006 | CN2839650Y Multi-cylinder oscillating plate rolling ring type compressor |
11/22/2006 | CN1285861C Air conditioner and method of controlling the same |
11/21/2006 | US7137796 Scroll compressor |
11/16/2006 | DE102005022929A1 Mobile vacuum lifting device for drawing up and lifting of workpieces has medium voltage motor to power vacuum pump, and battery as power source, with DC/AC converter connected between battery and medium voltage motor |
11/15/2006 | EP1287298B1 Control system of degree of superheat of air conditioner and control method thereof |
11/15/2006 | CN1862144A Oil free screw expander-compressor |
11/15/2006 | CN1862021A Structure of gas-liquid separator with rotary dual cylinder compressor |
11/14/2006 | US7134854 Oil recycling apparatus for compressor |
11/14/2006 | US7134853 Scroll compressor having a flow rate controlling member inserted into a high pressure fluid introducing passageway |
11/14/2006 | US7134845 Variable capacity rotary compressor |
11/09/2006 | WO2006117940A1 Rotary fluid machine |
11/08/2006 | EP1719913A2 Horizontal scroll compressor |
11/08/2006 | CN1283925C Air compression system and casting gas/oil separating case used for such system |
11/07/2006 | US7131821 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
11/02/2006 | US20060243520 Screw compressor with an acoustic wave damping device |
11/02/2006 | EP1717448A2 Rotary vane compressor |
11/02/2006 | EP1717447A2 Rotary vane compressor |
11/02/2006 | EP1717413A1 Brayton cycle device and exhaust heat energy recovery device for internal combustion engine |
10/31/2006 | US7128540 Refrigeration system having a rotary compressor |
10/25/2006 | CN1281868C Vortex compressor |
10/24/2006 | US7124585 Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander |
10/18/2006 | EP1712793A1 Compressor and method of plate installation |
10/18/2006 | CN1847756A Defroster of refrigerant circuit, and refrigeration unit |
10/18/2006 | CN1847663A 压缩机 Compressor |
10/18/2006 | CN1847662A Compressor and producing method thereof |
10/18/2006 | CN1847661A 压缩机 Compressor |
10/18/2006 | CN1847660A Rapidly pumping out an enclosure while limiting energy consumption |
10/18/2006 | CN1847659A 压缩机 Compressor |
10/18/2006 | CN1280592C Closed revolving compressor |
10/18/2006 | CN1280118C On-vehicle air conditioner |
10/17/2006 | US7121817 Scroll fluid machine comprising compressing and expanding sections |
10/12/2006 | WO2006106814A1 Hybrid compressor |
10/12/2006 | US20060228244 Scroll compressor multipile isolated intel ports |
10/12/2006 | US20060228242 Vacuum pump |
10/12/2006 | CA2601848A1 Hybrid compressor |
10/11/2006 | EP1710440A2 Vacuum pumping with energy limitation |
10/11/2006 | EP1710438A2 Hermetic type scroll compressor and refrigerating and air-conditioning apparatus |
10/11/2006 | CA2542616A1 Vacuum pump |
10/11/2006 | CA2542575A1 Vacuum pump |
10/10/2006 | US7118358 Scroll compressor having a back-pressure chamber control valve |
10/05/2006 | WO2006103821A1 Scroll expander |
10/05/2006 | US20060222507 Compressor protection and diagnostic system |
10/04/2006 | EP1707817A2 Hermetically sealed compressor and method of manufacturing the same |
10/04/2006 | EP1311763B1 Pressure seal for a vacuum pump |
10/04/2006 | CN1278042C 压缩机 Compressor |
10/04/2006 | CN1278041C Vacuum pump |
10/04/2006 | CN1277702C Air conditioner |
10/03/2006 | US7114930 Compressor |
09/28/2006 | US20060216186 Seal assemblies |
09/28/2006 | US20060216181 Scroll fluid machine comprising compressing and expanding sections |
09/28/2006 | US20060216180 Scroll fluid machine comprising compressing and expanding sections |
09/27/2006 | EP1366297B1 Water-injected screw compressor |
09/27/2006 | CN2821233Y Volume regulator for rotary compressor |
09/27/2006 | CN2821232Y Liquid storage tank structure of complex rotary compressor |
09/26/2006 | US7112046 Scroll compressor for refrigerant |
09/26/2006 | US7112045 Electric compressor |
09/26/2006 | US7111471 Refrigerant cycle apparatus |
09/21/2006 | WO2006097679A1 Vacuum pumping arrangement |
09/21/2006 | US20060210418 Rotary compressor |
09/20/2006 | EP1703133A2 Rotary vane compressor |
09/20/2006 | EP1703132A2 Rotary vane compressor |
09/20/2006 | EP1703131A2 Rotary vane compressor |
09/20/2006 | EP1703130A2 Rotary vane compressor and defroster |
09/20/2006 | EP1703129A2 Rotary vane compressor |
09/20/2006 | EP1702163A1 Worm compressor provided with a sound absorber |
09/20/2006 | CN1276180C Vaccum preventing device for vortex complessor |
09/20/2006 | CN1276178C 压缩机 Compressor |
09/19/2006 | US7108492 Roots pump |