| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 09/16/2009 | CN100540901C Rotary compressor and refrigeration cycle device using the same |
| 09/16/2009 | CN100540900C 涡旋压缩机 Scroll Compressor |
| 09/16/2009 | CN100540899C Apparatus for reducing foaming of compressor |
| 09/15/2009 | US7588428 Rotary fluid device performing compression and expansion of fluid within a common cylinder |
| 09/15/2009 | US7588427 Variable capacity rotary compressor |
| 09/15/2009 | US7588426 Oil rotary vacuum pump and manufacturing method thereof |
| 09/11/2009 | WO2009109429A1 Compressor and method for compressing gaseous fuel |
| 09/11/2009 | WO2009109282A1 Vacuum pump housing cover |
| 09/10/2009 | US20090226337 Pump With a Cylindrical Cooling Bush |
| 09/10/2009 | DE102008012540A1 Vacuum pump i.e. swing wing- or vane pump, has rotor shaft comprising rotor unit and supported in housing, where tin pot exhibits rotary clamping ring at outer edge that is turned away from centering plate |
| 09/09/2009 | EP2098685A1 Compressor and method for compressing gaseous fuel |
| 09/09/2009 | EP2097615A1 Screw compressor with integral bearing cover and discharge plenum divider |
| 09/09/2009 | CN101529096A Compressor |
| 09/09/2009 | CN101529095A Scroll compressor |
| 09/09/2009 | CN101526084A Shell low-pressure rotary compressor |
| 09/09/2009 | CN100538081C Screw rod line of screw air compressor |
| 09/09/2009 | CN100538080C Screw rod line of high flow rate screw air compressor |
| 09/09/2009 | CN100538079C Screw rod line of symmetrical shaped high flow rate screw air compressor |
| 09/09/2009 | CN100538078C Volumetric rotary machine with rotors having asymmetric profiles |
| 09/09/2009 | CN100538077C Scroll fluid machine |
| 09/09/2009 | CN100538029C Muffler for noise reduction |
| 09/08/2009 | US7585160 Hermetic compressor |
| 09/08/2009 | US7585114 Compressor bearing and compressor component |
| 09/03/2009 | WO2009108008A2 Inverter type scroll compressor |
| 09/03/2009 | WO2009108007A2 Scroll compressor comprising oil separating driving shaft |
| 09/03/2009 | WO2009108006A2 Inverter type scroll compressor |
| 09/03/2009 | WO2009107797A1 Compressor |
| 09/03/2009 | WO2009105972A1 A synchronous rotation fluid compressing device |
| 09/03/2009 | US20090220371 Methods for dimensional restoration of roots type blower rotors, restored rotors, and apparatus having restored rotor |
| 09/03/2009 | DE10064711B4 Asymmetrischer Spiralverdichter Asymmetric scroll compressor |
| 09/02/2009 | EP2096314A2 Volume regulating structure for rotary helical screw compressors |
| 09/02/2009 | EP2096313A1 Positioning device for fixed scroll |
| 09/02/2009 | EP2096312A1 Method of positioning fixed scroll |
| 09/02/2009 | EP2096311A1 Device and method for positioning fixed scroll |
| 09/02/2009 | EP2096310A1 Scroll compressor |
| 09/02/2009 | CN201301809Y Arc vanes with asymmetric end parts for rotary compressor |
| 09/02/2009 | CN201301808Y Novel single-stage multi-rotary vane vacuum pump |
| 09/02/2009 | CN101520044A Double-rolling rotor compressor |
| 09/02/2009 | CN101520043A Gas compressor |
| 09/02/2009 | CN101520042A Closed compressor and refrigerating circulation device |
| 09/02/2009 | CN100535448C High-pressure compressor |
| 09/01/2009 | US7581937 Rotary type compressor having an intermediate pressure on a surface side of its compression member |
| 08/27/2009 | WO2009105031A1 Revolving vane compressor and method for its manufacture |
| 08/27/2009 | WO2009103930A2 Spiral cooling compressor |
| 08/27/2009 | DE10393034B4 Verhinderung von Ölverschleppung bei Heliumgasverdichtern Prevention of oil carryover in helium gas compressors |
| 08/27/2009 | DE10227149B4 Steuervorrichtung für eine Pumpe mit variabler Verdrängung in einer Kraftlenkvorrichtung A control apparatus for a variable displacement pump in a power steering device |
| 08/26/2009 | EP2093427A2 Capacity Varying Device for a Scroll Compressor |
| 08/26/2009 | EP2092197A1 Rotor and compressor element provided with such rotor |
| 08/26/2009 | EP1748716A4 Vacuum cleaners especially quiet vacuum cleaners, pumps, and engines |
| 08/26/2009 | CN101517238A A rotary pump with vanes |
| 08/26/2009 | CN101517237A Rotation preventing member and scroll compressor |
| 08/26/2009 | CN101514703A Idling-free unloading energy saving screw type air compressor |
| 08/26/2009 | CN101514702A Screw compressor |
| 08/26/2009 | CN101514701A Capacity varying device for a scroll compressor |
| 08/26/2009 | CN100532855C Noise reducer of rotary compressor |
| 08/26/2009 | CN100532854C Anti-backflow device for scroll compressor |
| 08/26/2009 | CN100532852C Compressor with lubricating oil-way |
| 08/26/2009 | CN100532851C Oil drainage reducing device of high-pressure type scroll compressor |
| 08/26/2009 | CN100532850C Anti-reversal rotary device for scroll compressor |
| 08/26/2009 | CN100532849C Eccentric device for vortex compressor |
| 08/26/2009 | CN100532848C Eccentric part structure of vortex compressor rotary shaft |
| 08/26/2009 | CN100532847C Vortex type compressor |
| 08/26/2009 | CN100532846C Oil feeding propeller of scroll compressor |
| 08/26/2009 | CN100532845C Micro air pump |
| 08/26/2009 | CN100532844C Screw rod line of novel screw air compressor |
| 08/26/2009 | CN100532843C Cubage type fluid machinery |
| 08/26/2009 | CN100532842C Scroll compressor |
| 08/25/2009 | US7578664 Oil supply structure of scroll compressor |
| 08/25/2009 | US7578660 Hermetic compressor |
| 08/25/2009 | US7578278 Multilobe rotary motion asymetric compression/expansion engine |
| 08/20/2009 | WO2009102130A2 Air compressor |
| 08/20/2009 | WO2009101894A1 Scroll type fluid machine, and processing method and processing equipment therefor |
| 08/20/2009 | WO2009074408A3 Vacuum pump, and method for operating a vacuum pump |
| 08/20/2009 | WO2009062592A3 Sintered rotor |
| 08/20/2009 | US20090208348 Capacity varying device for scroll compressor |
| 08/19/2009 | EP2090784A1 Compressor |
| 08/19/2009 | EP2089609A1 Integral slide valve relief valve |
| 08/19/2009 | CN201292946Y Piston device for translation type rotary compressor |
| 08/19/2009 | CN201292943Y Vacuum pump |
| 08/19/2009 | CN101512160A 压缩机数据模块 Compressor Data Module |
| 08/19/2009 | CN101512159A Scroll compressor |
| 08/19/2009 | CN101509489A Straightly-connecting explosion suppression swirl vacuum compressor without lubricant |
| 08/19/2009 | CN100529408C Multi-line whirl disc of whirl compressor having discharge device |
| 08/19/2009 | CN100529407C Multicylinder rotary compressor |
| 08/19/2009 | CN100529406C Rotation-type compressor with housing low pressure, control mode of coolant and oil return and applications thereof |
| 08/19/2009 | CN100529405C Blade for a single-blade vacuum pump |
| 08/19/2009 | CN100529404C 螺杆机 Screw Machine |
| 08/19/2009 | CN100529403C Scroll-type compressor and control method thereof |
| 08/13/2009 | WO2009100207A2 Compressor having wire retainer |
| 08/13/2009 | WO2009099095A1 Oil-cooled type screw compressor |
| 08/13/2009 | WO2009098874A1 Compressor and freezer |
| 08/13/2009 | WO2009098872A1 Fluid machine |
| 08/13/2009 | US20090202376 Scroll-Type Fluid Machine |
| 08/12/2009 | EP2088324A1 Scroll compressor |
| 08/12/2009 | EP2088284A1 Method for designing lobe-type rotors |
| 08/12/2009 | EP1609990B1 Vacuum device and vacuum pump |
| 08/12/2009 | CN201288667Y Rotor sealing apparatus for rotary compressor |
| 08/12/2009 | CN201288666Y Structure for axial push stopping apparatus of cyclone compressor |
| 08/12/2009 | CN201288665Y Cylinder for rotary compressor |
| 08/12/2009 | CN201288664Y Vacuum pump |