| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 02/04/2009 | CN100458166C Capacity-changing unit of orbiting vane compressor |
| 02/04/2009 | CN100458164C Screw compressor |
| 02/04/2009 | CN100458163C Vortex type compressor |
| 02/04/2009 | CN100458162C Method for positioning scroll-type fluid machine and device threof |
| 02/04/2009 | CN100458161C Turbine compressor |
| 02/03/2009 | US7484945 Compressor for refrigerator-freezer having a porous member |
| 01/29/2009 | WO2009014128A1 Scroll compressor |
| 01/29/2009 | WO2009012606A2 Displacement machine according to the spiral principle, comprising a bearing assembly on both sides |
| 01/29/2009 | WO2008142533A3 Rotary blower with corrosion-resistant abradable coating |
| 01/29/2009 | US20090028739 Ring turbo-piston engine and ring turbo-piston supercharger |
| 01/29/2009 | DE102008029625A1 Flüssigkeitsgekühlte Rotoranordnung für einen Lader Liquid-cooled rotor assembly for a loader |
| 01/28/2009 | CN201187452Y Vacuum pump rotary vane with slot |
| 01/28/2009 | CN201187447Y Butterfly flap type blast blower |
| 01/28/2009 | CN101356366A Electric compressor |
| 01/28/2009 | CN101354037A Hermetic compressor |
| 01/28/2009 | CN101354036A Scroll type booster |
| 01/28/2009 | CN101354035A Scroll compressor |
| 01/28/2009 | CN101354034A Scroll compressor |
| 01/28/2009 | CN101354033A Scroll compressor |
| 01/28/2009 | CN100455813C Anti-leakage device of silencer of rotary compressor |
| 01/28/2009 | CN100455810C Apparatus for varying capacity of scroll compressor |
| 01/28/2009 | CN100455809C Eccentric bushing brake for vortex compressor |
| 01/28/2009 | CN100455807C 螺旋压缩机 Screw compressor |
| 01/28/2009 | CN100455806C Screw compressor |
| 01/28/2009 | CN100455803C Rotary two-stage compressor and air conditioner using the compressor |
| 01/28/2009 | CN100455802C Vortex compressor with soakage regulator |
| 01/28/2009 | CN100455801C Air leakage preventing device for closed compressor |
| 01/27/2009 | US7481635 Shaft seal for rotary type compressor |
| 01/27/2009 | US7481634 Volumetric screw compressor provided with delivery adjustment device |
| 01/27/2009 | US7481632 Scroll compressor with an oil passage plug to limit oil flow |
| 01/22/2009 | WO2009011361A1 Electromagnetic three-way valve, rotary compressor, and refrigeration cycle device |
| 01/22/2009 | WO2009011223A1 Compressor and freezer |
| 01/22/2009 | US20090022613 Asynchronous non-constant-pitch spiral scroll-type fluid displacement machine |
| 01/21/2009 | EP2017478A2 Electric compressor |
| 01/21/2009 | EP2016288A1 Vacuum pump |
| 01/21/2009 | CN201184299Y Air compressing pump |
| 01/21/2009 | CN101351646A Screw pump |
| 01/21/2009 | CN101349274A Sliding blade apparatus of rolling rotor type compressor |
| 01/21/2009 | CN101349270A Multicylinder rotary compressor and compressing system and refrigerating unit provided with same |
| 01/21/2009 | CN101349269A Method for operating variable-volume type rolling rotor compressor and uses thereof |
| 01/21/2009 | CN101349268A Screw compressor |
| 01/21/2009 | CN100453816C Whirl type compressor used displacement variable control device |
| 01/21/2009 | CN100453815C Double stage screw rod compressor and double stage compressing refrigerator using same |
| 01/21/2009 | CN100453814C Capacity modulated scroll machine |
| 01/21/2009 | CN100453813C Apparatus for varying capacity in scroll compressor |
| 01/21/2009 | CN100453812C Vortex compressor |
| 01/20/2009 | US7479000 Gear pump |
| 01/15/2009 | US20090016920 Screw pump and screw gear |
| 01/15/2009 | US20090016919 Gear pump |
| 01/15/2009 | DE102008024307A1 Verdichter Compressor |
| 01/14/2009 | CN201180654Y Screw rotor of double-screw air compressor |
| 01/14/2009 | CN201180652Y High-vacuum pump directly discharging to atmosphere |
| 01/14/2009 | CN201180650Y Capacity-variable mechanism of rolling type fluid machine |
| 01/14/2009 | CN201180649Y Main unit of screw air compressor |
| 01/14/2009 | CN201180646Y Ganged rotation capacity-variable mechanism of displacement type fluid machine |
| 01/14/2009 | CN101346548A Compressor |
| 01/14/2009 | CN101346547A Electric compressor |
| 01/14/2009 | CN101344092A Oil free screw compressor |
| 01/14/2009 | CN101344090A Compression system, multi-cylinder rotary compressor |
| 01/14/2009 | CN101344089A Compression system, multi-cylinder rotary compressor |
| 01/14/2009 | CN101344088A Compression system, multi-cylinder rotary compressor |
| 01/14/2009 | CN101344087A Compression system |
| 01/14/2009 | CN101344086A Compression system, multi-cylinder rotary compressor and refrigerating apparatus using the same |
| 01/14/2009 | CN101344085A Vane compressor or vacuum pump |
| 01/14/2009 | CN101344084A Scroll compressor |
| 01/14/2009 | CN100451497C Digital scroll condensing unit controller |
| 01/14/2009 | CN100451340C Rotary-type enclosed compressor and refrigeration cycle apparatus |
| 01/14/2009 | CN100451296C Switch valve structure of fluid machine |
| 01/13/2009 | US7476089 Scroll compressor having overheat preventing unit |
| 01/08/2009 | WO2009005574A1 Capacity modulated compressor |
| 01/08/2009 | WO2009004657A1 Vacuum pump for a motor vehicle engine |
| 01/08/2009 | WO2009004360A1 Fkm or ffkm multiple layers seal |
| 01/08/2009 | WO2009003884A1 Compressor comprising a fluid droplet-atomizing inflow chamber |
| 01/08/2009 | DE102008023794A1 Konische Rotoranordnungen für einen Lader Conical rotor assemblies for a loader |
| 01/08/2009 | DE102007032157A1 Kompressor Compressor |
| 01/08/2009 | CA2692086A1 Fkm or ffkm multiple layers seal |
| 01/07/2009 | EP2012017A2 Capacity modulated compressor |
| 01/07/2009 | EP2012016A1 Scroll-type fluid machine |
| 01/07/2009 | EP2012015A1 Scroll-type fluid machine |
| 01/07/2009 | EP2012014A1 Internal gear pump with non-equal teeth pitch spacings |
| 01/07/2009 | EP2010756A1 A rotor for a vane pump, made of plastic material reinforced by metallic foil |
| 01/07/2009 | CN201176936Y Compressor |
| 01/07/2009 | CN201176935Y Scroll-type compressor for electric automobile |
| 01/07/2009 | CN201176934Y Highly efficiency low noise scroll-type compressor for electric automobile |
| 01/07/2009 | CN201176933Y Double end scroll-type compressor |
| 01/07/2009 | CN101338754A Cyclone compressor possessing lubricating system |
| 01/07/2009 | CN101338752A Compressor or vacuum pump |
| 01/07/2009 | CN101338751A Self-cooling horizontal type rolling rotor compressor |
| 01/07/2009 | CN101338750A Horizontal type rolling rotor compressor return air cooling structure |
| 01/07/2009 | CN101338749A Rotating slide vane compressor |
| 01/07/2009 | CN101338748A Motor direct drive type air pumping and application and manufacture method |
| 01/07/2009 | CN100449150C Hermetic compressor |
| 01/07/2009 | CN100449149C Micro machined vortex type compressor and relevant technology |
| 01/07/2009 | CN100449148C Method of manufacturing an orbiting scroll in a scroll fluid machine |
| 01/06/2009 | US7473082 Pumping system with progressive cavity pump |
| 01/06/2009 | US7473079 Electric compressor with inverter |
| 01/06/2009 | US7472562 Compressor and mechanism for separating lubricating liquid |
| 01/02/2009 | DE102007011733B4 Verfahren zum Betrieb eines Kompressors und Kompressor Method for operating a compressor and compressor |
| 01/01/2009 | US20090004039 Single Stage Root Type-Vacuum Pump and Vacuum Fluid Transport System Employing the Single Stage Root Type-Vacuum Pump |
| 01/01/2009 | US20090004036 Helical Screw Compressor |