| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 05/12/2010 | CN1952813B An adaptive tuning controller for refrigerant pressure action member and control method thereof |
| 05/12/2010 | CN1940298B Oil-cooled screw compressor |
| 05/12/2010 | CN1936331B Compressor |
| 05/12/2010 | CN1930396B Gas vane pump, and method of operating the pump |
| 05/12/2010 | CN1880766B Optimized helix angle rotors for roots-style supercharger |
| 05/12/2010 | CN1847756B Defroster of refrigerant circuit |
| 05/12/2010 | CN1818390B Compressor used in refrigerant cycling device |
| 05/12/2010 | CN1807895B Multistage compression type rotary compressor |
| 05/12/2010 | CN101705941A Screw-rod air compressor gas valve |
| 05/12/2010 | CN101705940A Rotary cylinder-type blower |
| 05/12/2010 | CN101705939A Scroll compressor of gasket-pin structure |
| 05/12/2010 | CN101099042B Device for positioning fixed scroll |
| 05/12/2010 | CN101008321B Improved scroll-type fluid displacement apparatus with fully compliant floating scrolls |
| 05/06/2010 | WO2010051358A2 Scroll-type fluid displacement apparatus with improved cooling system |
| 05/06/2010 | WO2010050623A1 Oil separator built-in compressor |
| 05/06/2010 | WO2010050622A1 Scroll compressor with internal oil separator |
| 05/06/2010 | WO2010050621A1 Oil separator built-in compressor |
| 05/06/2010 | WO2010048894A1 Translational rotor rotating compressor |
| 05/06/2010 | US20100111741 Scroll compressor |
| 05/06/2010 | US20100111739 Scroll member, method of manufacturing same, compression mechanism and scroll compressor |
| 05/06/2010 | US20100111738 Scroll member, method of manufacturing same, compression mechanism and scroll compressor |
| 05/06/2010 | US20100111736 Roots-type blower rotor alignment method and apparatus |
| 05/06/2010 | US20100111709 Compressor protection and diagnostic system |
| 05/06/2010 | US20100107669 Three-way solenoid valve, rotary compressor, and refrigeration cycle equipment |
| 05/05/2010 | EP2182217A1 Single-screw compressor, and screw rotor machining method |
| 05/05/2010 | EP2182216A1 Single-screw compressor |
| 05/05/2010 | EP2182215A2 Roots-type blower rotor alignment method and apparatus |
| 05/05/2010 | CN201448243U Unloading device for Roots blower |
| 05/05/2010 | CN201448242U Air filtration system of a mobile helical lobe compressor |
| 05/05/2010 | CN201448239U Compression structure of a rotary compressor |
| 05/05/2010 | CN201448238U Marsh gas vacuum pump |
| 05/05/2010 | CN201448237U Screw compressor with heating device |
| 05/05/2010 | CN1896539B Oil feeder of reeling compressor |
| 05/05/2010 | CN1782420B Check valve device of scroll compressor |
| 05/05/2010 | CN1782415B High vacuum preventer of scroll compressor |
| 05/05/2010 | CN1761817B Rotary closed type compressor and refrigerating cycle apparatus |
| 05/05/2010 | CN1607478B An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 05/04/2010 | US7708536 Scroll-type refrigerant compressor having fluid flowing from gas inlet to motor winding end chamber through intermediate jacket |
| 05/04/2010 | US7707987 Hydrogen G-cycle rotary internal combustion engine |
| 05/03/2010 | CA2671191A1 Roots-type blower rotor alignment method and apparatus |
| 04/29/2010 | WO2010046976A1 Refueling screw compressor |
| 04/29/2010 | WO2010045767A1 A stationary vane type compressor |
| 04/29/2010 | WO2009155109A3 Compressor having capacity modulation system |
| 04/29/2010 | US20100101250 Compressor diagnostic system |
| 04/29/2010 | DE102008025186B4 Drehkolbenmaschine Rotary engine |
| 04/28/2010 | EP2180189A2 Horizontal type rotary compressor |
| 04/28/2010 | EP2180188A1 Improvements in and relating to Roots pumps |
| 04/28/2010 | EP2179138A2 Displacement machine according to the spiral principle |
| 04/28/2010 | CN201443752U Intelligent steam recovery unit |
| 04/28/2010 | CN201443513U Reinforcement scroll tooth of scroll compressor |
| 04/28/2010 | CN201443512U Rolling rotor compressor used for medium-low temperature refrigeration |
| 04/28/2010 | CN201443511U Scroll refrigerating compressor |
| 04/28/2010 | CN201443510U Scroll compressor |
| 04/28/2010 | CN201443509U Scroll compressor for controlling feed lubricating oil quantity device |
| 04/28/2010 | CN1816696B Scroll-type fluid machine |
| 04/28/2010 | CN1609451B 压缩机 Compressor |
| 04/27/2010 | US7703433 Rotary internal combustion engine and rotary compressor |
| 04/27/2010 | CA2573769C Concentric internal combustion rotary engine |
| 04/22/2010 | WO2010044995A2 Inlet screen and scroll compressor incorporating same |
| 04/22/2010 | WO2010044994A1 Suction duct and scroll compressor incorporating same |
| 04/22/2010 | WO2010010999A3 Compressor |
| 04/22/2010 | WO2010010995A3 Compressor |
| 04/22/2010 | WO2009155104A3 Compressor having capacity modulation system |
| 04/22/2010 | WO2009151895A3 Methods and systems for injecting liquid into a screw compressor for noise suppression |
| 04/22/2010 | DE112008001546T5 Spiralkompressor Scroll compressor |
| 04/21/2010 | EP2177766A2 Scroll compressor and refrigerating machine having the same |
| 04/21/2010 | EP2177765A2 Scroll compressor and refrigerating machine having the same |
| 04/21/2010 | EP2177764A1 Scroll fluid machine |
| 04/21/2010 | EP2177763A1 Scroll compressor |
| 04/21/2010 | EP2176519A1 Pendulum slide vacuum pump |
| 04/21/2010 | CN201439757U Muffle plate and horizontal type scroll compressor |
| 04/21/2010 | CN201439756U Oil supply circuit of flooded unit of screw-rod refrigerating compressor |
| 04/21/2010 | CN201439755U 转子及压缩机 Rotor and compressor |
| 04/21/2010 | CN101696690A Eccentric crankshaft for compressor and rotary compressor using eccentric crankshaft |
| 04/21/2010 | CN101344088B Multi-cylinder rotary compressor |
| 04/21/2010 | CN101285467B Improved screw rod main unit structure |
| 04/21/2010 | CN101184919B 电动压缩机 Electric compressor |
| 04/21/2010 | CN101103202B Fixed scroll positioning device and positioning method |
| 04/20/2010 | US7699592 Rotary piston machine |
| 04/20/2010 | US7699591 Scroll compressor with surface processed orbiting scroll plate back surface |
| 04/20/2010 | US7699590 Oil pump and automatic transmission including the same |
| 04/20/2010 | US7699589 Scroll type fluid machine having a circulation path and inlet path for guiding refrigerant from a discharge chamber to a drive casing and to a rear-side of movable scroll |
| 04/20/2010 | US7698818 Method for assembling precision miniature bearings for minisystems and microsystems |
| 04/15/2010 | WO2010041883A2 Vane pump with variable discharge volume |
| 04/15/2010 | WO2010041120A2 High efficiency supercharger outlet |
| 04/15/2010 | US20100092324 Variable capacity rotary compressor |
| 04/15/2010 | US20100092323 Vane type vacuum pump |
| 04/15/2010 | US20100092322 Rotary fluid machinery |
| 04/15/2010 | US20100092318 Scroll compressor |
| 04/15/2010 | US20100092317 Uniaxial Eccentric Screw Pump |
| 04/14/2010 | EP2175139A2 Pump assembly with pump unit and drive unit with an electric motor with capsulated motor housing |
| 04/14/2010 | EP2175138A1 Single screw compressor and method of assembling the same |
| 04/14/2010 | EP2174012A2 Refrigeration compressor with variable speed spirals |
| 04/14/2010 | EP2174011A1 Compressor comprising a fluid droplet-atomizing inflow chamber |
| 04/14/2010 | EP2173971A1 Vacuum pump for a motor vehicle engine |
| 04/14/2010 | CN201437779U Sealing structure for air cylinder and oil piston and screw compressor |
| 04/14/2010 | CN201437778U Driving mechanism for scroll compressor |
| 04/14/2010 | CN201437775U 旋转式压缩机 Rotary compressor |
| 04/14/2010 | CN101694213A Embedded oil-gas centrifugal separator and integrated three-stage oil-gas separation screw compressor |
| 04/13/2010 | US7695261 Floating dam positive displacement pump |