Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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08/08/2007 | CN101012828A Axial flow positive displacement worm compressor |
08/08/2007 | CN101012827A Scroll type fluid machine |
08/02/2007 | WO2007087098A1 Improved scroll-type fluid displacement apparatus with fully compliant floating scrolls |
08/02/2007 | US20070178002 Scroll compressor |
08/02/2007 | CA2569762A1 Axial flow positive displacement worm compressor |
08/01/2007 | EP1813818A2 Evacuating apparatus |
08/01/2007 | EP1813817A2 Multi-stage rotary compressor |
08/01/2007 | EP1813816A2 Multi-stage rotary compressor |
08/01/2007 | EP1813815A2 Multi-stage rotary compressor |
08/01/2007 | EP1813814A2 Compression system |
08/01/2007 | EP1813813A2 Scroll fluid machine |
08/01/2007 | CN2929305Y Vortex compressor combined bias shaft |
08/01/2007 | CN2929262Y Rotary compressor |
08/01/2007 | CN2929261Y 高真空罗茨真空泵 High vacuum pumps Roots |
08/01/2007 | CN1329665C Oil supplier of vortex compressor |
08/01/2007 | CN1329664C Inspiration structure of rotary compressor |
08/01/2007 | CN1329663C Valve for screw compressor |
08/01/2007 | CN1329662C Vortex compressor |
08/01/2007 | CN1329661C Device for preventing vacuum compression of vortex compressor |
08/01/2007 | CN101010516A Cooling of pump rotors |
08/01/2007 | CN101010514A Blade for a single-blade vacuum pump |
08/01/2007 | CN101008390A Multi-stage compression type rotary compressor and a setting method of displacement volume ratio for the same |
08/01/2007 | CN101008389A Sealed rotary compressor and refrigerating circulation device comprising same |
08/01/2007 | CN101008388A Full cover type air compressor device for mining |
08/01/2007 | CN101008387A 涡旋流体机 Scroll fluid machine |
08/01/2007 | CN101008386A Scroll fluid machine |
08/01/2007 | CN101008385A Apparatus for reducing foaming of scroll compressor |
08/01/2007 | CN101008321A Improved scroll-type fluid displacement apparatus with fully compliant floating scrolls |
07/26/2007 | WO2007082831A1 Vacuum pump |
07/26/2007 | US20070172376 Vacuum pump |
07/26/2007 | US20070172374 Expander |
07/26/2007 | US20070172361 Cleaning method of a rotary piston vacuum pump |
07/26/2007 | DE102006059451A1 Schneckenkompressor Screw compressor |
07/26/2007 | DE102005042451B4 Vakuumpumpvorrichtung Vacuum pumping device |
07/25/2007 | EP1811181A1 Electric pump for hydrogen circulation |
07/25/2007 | EP1811180A2 Scroll fluid machine |
07/25/2007 | EP1811179A2 Scroll fluid machine |
07/25/2007 | CN2926585Y Refrigerating compressor |
07/25/2007 | CN1328842C Assembly method of motor housing and motor stator of sealed type compressor |
07/25/2007 | CN1328513C Method for designing molded lines of rotor of helical lobe compressor |
07/25/2007 | CN101004173A Rolling piston type compressor with no reservoir |
07/25/2007 | CN101003880A Method for manufacturing slip-sheet of compressor |
07/24/2007 | US7247009 Scroll compressor with slider block having upper surface over enlarged area |
07/24/2007 | US7247008 Cam ring bearing for fuel delivery system |
07/19/2007 | WO2007080371A1 Scroll-type apparatus |
07/19/2007 | WO2007079551A1 Compressor installation with a water-injected compressor element |
07/19/2007 | US20070163589 Portable ventilator system |
07/18/2007 | EP1808602A1 Muffler installation structure for compressor |
07/18/2007 | EP1471256B1 Enclosed type compressor |
07/18/2007 | EP1438510B1 Vacuum pump |
07/18/2007 | CN2924085Y Liquid-jet cooling device of screw-bar compressor |
07/18/2007 | CN1327137C Rotary compressor |
07/18/2007 | CN1327136C 螺旋压缩机 Screw compressors |
07/18/2007 | CN101002024A Blade for a single-blade vacuum pump |
07/18/2007 | CN101002023A Single-winged vacuum pump |
07/18/2007 | CN101002022A Single-winged vacuum pump |
07/18/2007 | CN101002021A Single-winged vacuum pump |
07/18/2007 | CN101000054A Rotating type compressor sliding vane controlling apparatus and its controlling method and application |
07/18/2007 | CN101000053A 旋转压缩机 Rotary compressor |
07/18/2007 | CN101000014A Engine mechanical pressurizing apparatus |
07/17/2007 | US7244114 Scroll compressor |
07/12/2007 | WO2007078175A1 Pump and pumping system utilizing the same |
07/12/2007 | WO2007077857A1 Electric compressor |
07/12/2007 | US20070160488 Scroll compressor |
07/12/2007 | US20070160487 Rotary combustion apparatus |
07/12/2007 | US20070160486 Rotary compressor |
07/11/2007 | EP1806475A1 Rotary compressor |
07/11/2007 | CN2921375Y Variable frequency helical-lobe refrigerating compressor |
07/11/2007 | CN1995757A Rotary type displacement compressor |
07/11/2007 | CN1995756A Scroll mechanism |
07/11/2007 | CN1995706A Single-claw design method for claw type rotor |
07/11/2007 | CN1995705A Tri-claw and more design method for claw type rotor |
07/11/2007 | CN1325800C Double-cylinder rotary compressor |
07/10/2007 | US7241121 Scroll fluid machine |
07/10/2007 | CA2396910C A screw compressor injected with water |
07/05/2007 | WO2007076213A1 Screw compressor with oil feed system |
07/05/2007 | WO2007074852A1 Electric compressor |
07/05/2007 | WO2007074807A1 Screw-type fluid machine |
07/05/2007 | WO2007074795A1 Single stage roots vacuum pump and vacuum fluid transport system employing that single stage roots vacuum pump |
07/05/2007 | WO2007074638A1 Compressor |
07/05/2007 | WO2007074637A1 Compressor |
07/05/2007 | WO2007074631A1 Rotary compressor |
07/05/2007 | WO2006125010A3 Balancing plate-shuttle ball |
07/05/2007 | US20070154328 Rotary compressor |
07/05/2007 | DE102006058229A1 Oil pump for screw compressor, has drive shaft with internal oil passage whereby pump body is provided with drive shaft insertion groove, into which drive shaft is inserted |
07/04/2007 | EP1803939A1 Slide member and fluid machine |
07/04/2007 | EP1802858A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
07/04/2007 | CN1991177A Secondary screw type compressor |
07/04/2007 | CN1991176A Compressor vibration damper |
07/04/2007 | CN1991132A Single-pawl and double-pawl design method of pawl type rotor |
07/04/2007 | CN1324276C Very low temperature refrigeration system having a scroll compressor with liquid injection |
07/04/2007 | CN1324241C Variable capacity rotary compressor |
07/04/2007 | CN1324240C Hermetic compressor |
07/04/2007 | CN1324239C Pump for generating pressure or negative pressure |
07/04/2007 | CN1324220C Rotary-piston machinery |
07/04/2007 | CN1324219C Scroll fluid machine |
07/04/2007 | CN1323805C Pin gear rotor and block fluid transportation apparatus |
07/03/2007 | US7238011 Scroll compressor |
07/03/2007 | US7237432 Vane pump, method for adjusting pump flow rate of vane pump and fuel vapor leakage check module having vane pump |
06/28/2007 | WO2007073009A1 A uni-axial screw pump |