| Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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| 04/20/2011 | CN102022326A Refrigeration agent compressor and refrigeration cycling device |
| 04/20/2011 | CN102022324A Rotary compressor |
| 04/20/2011 | CN102022322A Scroll compressor |
| 04/20/2011 | CN101545485B Rotary air compression device with lateral inlet air |
| 04/20/2011 | CN101349073B Vacuum collecting and discharging system |
| 04/20/2011 | CN101251113B Air suction structure of twin-tub rotation-type compressor |
| 04/20/2011 | CN101205895B Heater for compressor and compressor containing said heater |
| 04/19/2011 | US7927084 Magnetic trap for ferrous contaminants in lubricant |
| 04/13/2011 | EP2309132A1 Horizontal scroll compressor |
| 04/13/2011 | EP2309129A1 Electric compressor |
| 04/13/2011 | EP2309128A1 Electric compressor |
| 04/13/2011 | EP2307733A2 Methods and systems for injecting liquid into a screw compressor for noise suppression |
| 04/13/2011 | EP2307731A2 Compressor having terminal plug assembly |
| 04/13/2011 | EP2307729A2 Compressor having capacity modulation system |
| 04/13/2011 | EP1989449B1 Rotor assembly |
| 04/13/2011 | CN102016321A Compressor |
| 04/13/2011 | CN102016320A Rotary compressor |
| 04/13/2011 | CN102011735A Exhaust structure of asymmetric rotor profile screw compressor and design method thereof |
| 04/13/2011 | CN102011734A Vibration damping and noise reducing device for frequency conversion single-rotor compressor |
| 04/13/2011 | CN102011733A Injection tubes for injection of fluid into a scroll compressor |
| 04/13/2011 | CN102011732A Rotary compressor and oil deflector mounting structure thereof |
| 04/13/2011 | CN102011731A Vane air compressor |
| 04/13/2011 | CN102011730A Rotary compressor |
| 04/13/2011 | CN102011729A Motor-driven compressor |
| 04/13/2011 | CN101560989B Protective shaft sleeve |
| 04/13/2011 | CN101517252B Slide member and fluid machine utilizing the same |
| 04/13/2011 | CN101354037B Hermetic compressor |
| 04/13/2011 | CN101208567B Compressor lubrication |
| 04/12/2011 | US7922790 Compressor device |
| 04/07/2011 | WO2011040869A1 A supercharger with two intermeshing rotors and disc clutch |
| 04/07/2011 | WO2011040389A1 Screw compressor |
| 04/07/2011 | DE10347693B4 Verringerung von NVH (Rauschen, Schwingungen, Härte) und Gaspulsation in einem Klimaanlagenverdichter Reduction of NVH (noise, vibration, harshness) and gas pulsation in an air conditioning compressor |
| 04/06/2011 | EP2306027A1 Screw compression apparatus |
| 04/06/2011 | EP2306026A2 Suction passages for a rotary vane compressor |
| 04/06/2011 | EP2306025A1 Die for forging rotor material and method for forging rotor material |
| 04/06/2011 | EP2306021A1 Electric compressor |
| 04/06/2011 | EP2304243A2 Screw compressor with asymmetric ports |
| 04/06/2011 | EP2304241A2 Automatic volume ratio variation for a rotary screw compressor |
| 04/06/2011 | EP2304237A1 Pump |
| 04/06/2011 | EP2304181A1 Rotary sliding vane compressor |
| 04/06/2011 | CN201786673U 旋转压缩机 Rotary compressor |
| 04/06/2011 | CN201786672U Check valve for blower |
| 04/06/2011 | CN201786671U Compressor silencer and compressor adopting same |
| 04/06/2011 | CN201786670U Screw type air compressor cooling system |
| 04/06/2011 | CN201786669U Air compressor |
| 04/06/2011 | CN201786668U Lubricating oil supply device for screw compressor unit |
| 04/06/2011 | CN201786667U Novel rotary compressor of motor rotor |
| 04/06/2011 | CN201786666U Vane air compressor head |
| 04/06/2011 | CN201786665U Screw rod compressor cylinder block structure with oil-free technology |
| 04/06/2011 | CN201786664U Pneumatic control overflowing system for movable screw compressor |
| 04/06/2011 | CN201786663U Welding structure of rotary type compressor pump body and rotary type compressor pump body |
| 04/06/2011 | CN201786661U Miniature oil seal type double-stage vacuum pump |
| 04/06/2011 | CN201786660U 旋转压缩机 Rotary compressor |
| 04/06/2011 | CN201786659U Rotary compressor |
| 04/06/2011 | CN201786653U Complete road condition screw air compressor |
| 04/06/2011 | CN201786391U Rotor, expander using the same, engine and expander system |
| 04/06/2011 | CN102003394A Screw vacuum pump rotor profile |
| 04/06/2011 | CN102003393A Method for enhancing efficiency of screw rod compressor of gas boosting system |
| 04/06/2011 | CN102003390A Vortex compressor |
| 04/06/2011 | CN102003389A Scroll compressor |
| 04/06/2011 | CN102003387A Vortex compressor |
| 04/06/2011 | CN101235815B Multistage compressor |
| 04/06/2011 | CN101203677B 旋转式真空泵 Rotary vacuum pump |
| 03/31/2011 | WO2011038174A2 Rotary compressor |
| 03/31/2011 | WO2011037132A1 Oil rotary vacuum pump |
| 03/31/2011 | WO2011037062A1 Hermetically sealed compressor and refrigeration cycle device employing the same |
| 03/31/2011 | WO2011036847A1 Inverter-integrated electric compressor |
| 03/31/2011 | WO2011036590A2 Device and method for cleaning a pump chamber of a vacuum pump |
| 03/31/2011 | WO2011036468A2 Pumps |
| 03/31/2011 | US20110076174 Screw compression apparatus |
| 03/31/2011 | US20110076173 Rotary compressor and manufacturing method of the same |
| 03/31/2011 | CA2774105A1 Rotary compressor |
| 03/30/2011 | EP1588054B1 Pump |
| 03/30/2011 | EP1486676B1 Scroll compressor |
| 03/30/2011 | CN201779033U Noise control system used in loading or unloading oil spraying screw air compressor |
| 03/30/2011 | CN201779032U Rotary type compressor |
| 03/30/2011 | CN201779031U Rotary compressor |
| 03/30/2011 | CN201779030U Secondary oil return pipe joint in oil fine separator |
| 03/30/2011 | CN201779029U Oil-gas separator top cap screwing-off device in screw compressor |
| 03/30/2011 | CN201779028U Air compressor lubricating oil mechanism |
| 03/30/2011 | CN201779027U Wear-resistant sheet of static vortex disk of scroll compressor |
| 03/30/2011 | CN201779026U Orbiting scroll wear plate of scroll compressor |
| 03/30/2011 | CN201779025U Wear-resistant sheet for moving plate of scroll compressor |
| 03/30/2011 | CN201779024U Fixed scroll wear plate of scroll compressor |
| 03/30/2011 | CN201779023U Rotary compressor |
| 03/30/2011 | CN201779022U Thrust device of rotary compressor |
| 03/30/2011 | CN201779021U Thrust device of rotary type compressor |
| 03/30/2011 | CN201779020U Thrust structure of rotary compressor |
| 03/30/2011 | CN201779017U Vacuum pump rotor axial floating positioning device |
| 03/30/2011 | CN201779013U Swirling vehicle air condition compressor |
| 03/30/2011 | CN101994700A Compressor |
| 03/30/2011 | CN101994699A Elastic eccentric crank structure for compressor |
| 03/30/2011 | CN101994698A Fixed structure for compressor rotor |
| 03/30/2011 | CN101994694A Contact seal-free Roots blower |
| 03/24/2011 | WO2011034164A1 Multi-cylinder rotary compressor and refrigeration cycle device |
| 03/24/2011 | WO2011033977A1 Refrigerant compressor and freeze cycle device |
| 03/24/2011 | WO2011033710A1 Multistage compressor |
| 03/24/2011 | US20110070114 Oil return valve for a scroll compressor |
| 03/23/2011 | EP2299117A2 Scroll-type compressor |
| 03/23/2011 | EP2297463A1 Support member for optimizing dynamic load distribution and attenuating vibration |