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 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
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)
05/2010
05/26/2010CN201486861U Device for quickly pumping vacuum
05/26/2010CN1603624B Compressor and method of manufacturing the same
05/26/2010CN1598319B Scroll compressor
05/26/2010CN1526954B 可变容量的旋转压缩机 The variable capacity rotary compressor
05/26/2010CN101713397A Compressor protection and diagnostic system
05/26/2010CN101184921B Pump system and method of operating a pumping system
05/25/2010US7722334 Compressor and overload protecting apparatus
05/25/2010CA2462934C Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor
05/20/2010WO2010056002A1 Frequency- variable compressor and control method thereof
05/19/2010EP2187060A2 Hermetic compressor and refrigeration cycle device having the same
05/19/2010EP2187059A2 Hermetic compressor and refrigeration cycle device having the same
05/19/2010CN101709701A Single-cylinder multistage gas-compression rolling piston compressor
05/13/2010US20100119378 Rotary compressor
05/12/2010CN201461406U Rolling compression ring type refrigeration compressor
05/12/2010CN1847756B Defroster of refrigerant circuit
05/12/2010CN1818390B Compressor used in refrigerant cycling device
05/12/2010CN1807895B Multistage compression type rotary compressor
05/06/2010US20100111737 Compressor
05/06/2010US20100111709 Compressor protection and diagnostic system
05/05/2010CN201448240U Rotary compressor and a refrigeration cycle device with the rotary compressor
05/05/2010CN1761817B Rotary closed type compressor and refrigerating cycle apparatus
04/2010
04/29/2010WO2010047371A1 Multiple-stage compressor
04/28/2010EP2180189A2 Horizontal type rotary compressor
04/28/2010CN1816696B Scroll-type fluid machine
04/28/2010CN1609451B 压缩机 Compressor
04/28/2010CN1532082B Waste heat utilizing system
04/21/2010EP2177768A1 Multi-stage compressor
04/21/2010EP2177767A1 Fluid machine
04/21/2010EP2177760A1 Fluid machine and refrigeration cycle device
04/21/2010CN201439753U Vacuum pump of 1.9L high-pressure common-rail pressurizing inter-cooling diesel engine
04/21/2010CN101344088B Multi-cylinder rotary compressor
04/21/2010CN101184919B 电动压缩机 Electric compressor
04/15/2010US20100092322 Rotary fluid machinery
04/15/2010US20100089078 Oil supply method of two-stage screw compressor, two-stage screw compressor applying the method, and method of operating refrigerating machine having the compressor
04/14/2010EP2175139A2 Pump assembly with pump unit and drive unit with an electric motor with capsulated motor housing
04/14/2010EP2174012A2 Refrigeration compressor with variable speed spirals
04/14/2010EP2174011A1 Compressor comprising a fluid droplet-atomizing inflow chamber
04/08/2010WO2010038360A1 Refrigerating apparatus
04/08/2010US20100083690 Multistage compressor
04/07/2010EP2172653A1 Multi-stage compressor
04/07/2010EP2171213A2 An internal combustion rotary engine
04/07/2010CN201436389U Dual-rotor two-stage enhanced compressor
04/07/2010CN101691864A Spherical expansion compressor capable of adapting to variable working conditions
04/01/2010WO2010035891A1 Fluid machine
04/01/2010WO2009117993A3 Low pressure pump
03/2010
03/31/2010EP2169232A1 Rotary compressor
03/31/2010EP2169231A2 Inverter-device built-in type electric compressor and vehicle equipped with the same compressor
03/31/2010EP2169230A2 Cylinder and rotary compressor having the same
03/31/2010EP2169180A1 Fluid machine
03/31/2010CN101688537A Fluid machine
03/31/2010CN101688535A Multicylinder rotary type compressor, and refrigerating cycle apparatus
03/31/2010CN101684815A Secondary rotary compressor
03/31/2010CN101684814A Rotary compressor
03/31/2010CN101684806A Enclosed type compressor
03/31/2010CN101684805A External members of two-stage rotating type compressor
03/31/2010CN101684804A Two-stage rotating type compressor
03/31/2010CN101684803A Two-stage rotating type compressor
03/31/2010CN101684802A Two-stage rotating type compressor
03/31/2010CN101684801A Rotating type double-body compressor
03/31/2010CN101684799A Two-stage rotating type compressor
03/31/2010CN101684785A Compressor
03/25/2010US20100071390 Method and apparatus for highly efficient compact vapor compression cooling
03/25/2010US20100071389 Method and apparatus for highly efficient compact vapor compression cooling
03/24/2010CN101680300A Refrigeration cycle device and fluid machine used therefor
03/11/2010WO2010026776A1 Multiple-stage compressor
03/10/2010EP2161454A2 Injectible two-stage rotary compressor
03/10/2010CN101666314A Injectible two-stage rotary compressor
03/09/2010US7674097 Rotary expander
03/04/2010WO2010024409A1 Enclosed compressor, two-cylinder rotary compressor, and refrigerating cycle apparatus
03/03/2010EP2159425A2 Motor-driven compressor
03/02/2010US7670119 Multistage vacuum pump and a pumping installation including such a pump
02/2010
02/25/2010WO2010021491A1 Variable capacity type rotary compressor, cooling apparatus having the same, and method for driving the same
02/25/2010US20100047080 Method of operating a pumping system
02/25/2010US20100043481 Two-stage rotary expander, expander-compressor unit, and refrigeration cycle apparatus
02/24/2010CN100591921C Motor-driven compressor with insulated connection part for power-supply
02/17/2010EP2154330A1 Refrigeration cycle device and fluid machine used therefor
02/09/2010US7658599 Rotary compressor with a filling member in the vane slot
02/04/2010WO2010014014A1 Mobile breathing-air compressor unit with means for keeping the operation temperature below a limit value
02/04/2010WO2010012891A1 Method of creating a compressor shell ring
02/03/2010EP2148988A1 Compressor and oil supplying structure therefor
02/03/2010CN201396281Y Multistage three-blade Roots vacuum pump
02/03/2010CN101639073A Horizontal rotary compressor
01/2010
01/28/2010WO2010011081A1 Compressor and air-conditioner having the same
01/27/2010CN101634500A Refrigeration cycle system
01/27/2010CN100585187C Rotary two-stage compressor
01/21/2010WO2010006663A1 Cooling for a screw pump
01/20/2010EP2146420A1 Capacity modulation compressor and air conditioning system having the same
01/20/2010EP2146419A1 Motor, compressor and air conditioning system having the same
01/20/2010CN100582608C Preventer for overload of air conditioner and its method
01/19/2010US7648342 Compressor protection and diagnostic system
01/13/2010EP2143880A1 Fluid machine, rankine circuit, and system for utilizing waste heat from vehicle
01/12/2010US7645128 Dividing device
01/07/2010WO2010000984A1 Method of manufacturing a shroud for a scroll-type compressor
01/06/2010CN100578018C Multi-cylinder compressor
12/2009
12/30/2009EP2137409A2 Compressor reverse rotation of variable duration on start up
12/30/2009CN100576703C Compressor protection and diagnostic system
12/30/2009CN100575708C Horizontal type compressor
12/30/2009CN100575706C Scroll-type refrigerant compressor
12/30/2009CN100575670C Fluid machine
12/30/2009CN100575669C Rotary type expansion machine
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