| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 06/13/2012 | CN101178065B Scroll compressor with vapor injection and unloader port |
| 06/07/2012 | WO2012073165A2 Vacuum pump, in particular for motor vehicles |
| 06/07/2012 | WO2011101064A3 Drive for a spindle compressor |
| 06/07/2012 | US20120141314 Vacuum pump |
| 06/07/2012 | US20120141312 Compressor |
| 06/07/2012 | US20120141311 Scroll pump |
| 06/06/2012 | EP2461040A1 Vacuum pump and joint of shaft and rotary piston |
| 06/06/2012 | CN202266436U 一种变频压缩机吐油量的控制机构 One kind of inverter compressor oil discharge control mechanism |
| 06/06/2012 | CN202266431U 一种真空泵转子 In a vacuum rotor |
| 06/06/2012 | CN202266429U Energy-saving type rolling rotor compressor |
| 06/06/2012 | CN202266428U 高耐磨圈销结构涡旋式压缩机 High wear ring pin structure scroll compressor |
| 06/06/2012 | CN202266427U 具有高耐磨偏心套结构的涡旋式压缩机 With high wear eccentric structure of a scroll compressor |
| 06/06/2012 | CN202266426U 一种涡旋式制冷压缩机 A scroll-type refrigerant compressor |
| 06/06/2012 | CN202266425U 五级涡旋压缩机 Five scroll compressor |
| 06/06/2012 | CN202266424U 七级涡旋压缩机 Seven scroll compressor |
| 06/06/2012 | CN202266423U 八级涡旋压缩机 Eight scroll compressor |
| 06/06/2012 | CN202266422U 九级涡旋压缩机 Nine scroll compressor |
| 06/06/2012 | CN202266421U 十级涡旋压缩机 Ten scroll compressor |
| 06/06/2012 | CN202266420U 三级涡旋压缩机 Three scroll compressor |
| 06/06/2012 | CN202266419U N级涡旋压缩机 N-stage scroll compressor |
| 06/06/2012 | CN202266418U 十一级涡旋压缩机 Eleven scroll compressor |
| 06/06/2012 | CN202266417U 六级涡旋压缩机 Six scroll compressors |
| 06/06/2012 | CN102486174A Inverter scroll compressor with radial flexible sealing |
| 06/06/2012 | CN102486121A Rotor of internal combustion engine |
| 06/06/2012 | CN101454540B Expander and compressor with integrated expander |
| 06/06/2012 | CN101307765B Compressor |
| 06/06/2012 | CN101002022B Single-winged vacuum pump |
| 06/05/2012 | US8192187 Compressor with screw rotor and gate rotor |
| 06/05/2012 | US8192183 Prismatic pump, especially slurry pump |
| 05/31/2012 | WO2012069347A2 Microsystems for compressing or for converting a pressure difference into a displacement |
| 05/31/2012 | DE112009004055T5 Zentripetale Pumpstufe und Vakuumpumpe, die eine solche Pumpstufe umfasst Centripetal pump stage and a vacuum pump comprising such a pump stage |
| 05/31/2012 | DE102011119255A1 Verdrängermaschine für kompressible Medien Displacement machine for compressible media |
| 05/31/2012 | DE102011015464A1 Vacuum pump device for evacuating vacuum vessel used for vacuum-treating substrate, has pressure pump that is executed as screw pump by applying atmospheric pressure to outlet |
| 05/30/2012 | EP2458217A1 Temperature control through pulse width modulation |
| 05/30/2012 | EP2458216A2 Compressor with lubricant pump |
| 05/30/2012 | CN202250877U Drain valve and scroll compressor comprising same |
| 05/30/2012 | CN202250876U Crankshaft structure of turbine compressor |
| 05/30/2012 | CN202250873U Screw compressor rotor |
| 05/30/2012 | CN202250872U Crankshaft structure of scroll compressor |
| 05/30/2012 | CN202250862U Vary-volume compressor and air conditioner system provided with same |
| 05/30/2012 | CN202250861U Rotation compressor with roller pin |
| 05/30/2012 | CN202250860U Rotary compressor |
| 05/30/2012 | CN202250859U Coke-oven gas screw compressor unit |
| 05/30/2012 | CN202250858U Semi-closed type double-screw compressor |
| 05/30/2012 | CN202250857U Open type double-screw compressor |
| 05/30/2012 | CN202250856U Tooth shape of rotor for double-screw compressor |
| 05/30/2012 | CN202250855U Vehicle-mounted oil-free screw air compressor |
| 05/30/2012 | CN202250854U Novel screw type air compressor |
| 05/30/2012 | CN202250853U Scroll compressor |
| 05/30/2012 | CN202250852U 涡旋压缩机 Scroll Compressor |
| 05/30/2012 | CN202250851U Scroll compressor |
| 05/30/2012 | CN202250850U Scroll compressor with silencing hole |
| 05/30/2012 | CN202250849U Vortex compressor |
| 05/30/2012 | CN202250848U Scroll compressor |
| 05/30/2012 | CN202250847U Vortex type auto air conditioning compressor provided with locating stud holes |
| 05/30/2012 | CN202250846U Vertical installation and horizontal installation compatible scroll compressor |
| 05/30/2012 | CN202250845U Oil returning structure of vortex compressor |
| 05/30/2012 | CN202250844U Oil return structure of scroll compressor |
| 05/30/2012 | CN202250373U Heat recovery blade type rotary engine |
| 05/30/2012 | CN102483066A Rotary compressor |
| 05/30/2012 | CN102483065A Compressor having counterweight cover |
| 05/30/2012 | CN102483064A 电机 Motor |
| 05/30/2012 | CN102483062A 涡旋部件用成形模 Scroll with the forming die |
| 05/30/2012 | CN102483061A 多段蜗管机器 Multi-cochlear duct machine |
| 05/30/2012 | CN102483060A 涡旋压缩机、制冷循环装置及热泵供热水机 Scroll compressors, refrigeration and heat pump water heating cycle apparatus machine |
| 05/30/2012 | CN102477981A 叶片式压缩机 Vane compressor |
| 05/30/2012 | CN102477980A 螺杆压缩机 Screw compressor |
| 05/30/2012 | CN101994694B Contact seal-free Roots blower |
| 05/30/2012 | CN101975166B Rolling rotor refrigeration compressor of double working face cylinder |
| 05/30/2012 | CN101975165B Rolling piston refrigeration compressor capable of effectively utilizing space |
| 05/30/2012 | CN101886629B Single screw compressor with small specific power |
| 05/30/2012 | CN101868597B Compressor integral with expander |
| 05/30/2012 | CN101855422B Compressor integral with expander |
| 05/30/2012 | CN101769256B Fastening member and rotary compressor |
| 05/30/2012 | CN101749231B Integrated electric compressor |
| 05/30/2012 | CN101672277B Positive displacement compressor |
| 05/30/2012 | CN101660528B Scroll compressor |
| 05/30/2012 | CN101583777B Expander-integrated compressor |
| 05/30/2012 | CN101573536B Device and method for positioning fixed scroll |
| 05/29/2012 | US8186980 Scroll-type fluid machine that reduces centrifugal force of an orbiting scroll |
| 05/29/2012 | US8186971 Multistage compressor having an oil separator plate |
| 05/24/2012 | WO2012066781A1 Vacuum exhaust device connection structure and vacuum exhaust system |
| 05/24/2012 | US20120128519 Rotary compressor |
| 05/24/2012 | US20120128518 Scroll compressor |
| 05/24/2012 | DE102011054887A1 Vacuum pumping device for motor car, has brake booster that is provided for producing vacuum for auxiliary unit, and vacuum pump that is connected with hydraulic machine in order to drive vacuum pump |
| 05/24/2012 | DE102010052186A1 Positive-displacement machine for charge air for internal combustion engine, has counter pressure pump provided in transition region of fixed lubricant tank in pump rotor of lubricant supply and/or lubricant return flow line |
| 05/23/2012 | EP2454486A2 Scroll compressor with scrolls comprising parts with different heights |
| 05/23/2012 | CN202228358U Compressor |
| 05/23/2012 | CN202228357U Oil return structure for scroll compressor |
| 05/23/2012 | CN202228356U Scroll compressor for heat pump type air conditioner of cooling and synergia gas mixing type electric automobile |
| 05/23/2012 | CN202228355U Oil return structure for scroll compressor |
| 05/23/2012 | CN102472285A 干泵 Dry Pumps |
| 05/23/2012 | CN102472284A 具有径向配置的电动机绕组的螺旋式压缩机 Having a radial configuration of the screw compressor motor windings |
| 05/23/2012 | CN102472282A 具有氢氟烯烃制冷剂气体和高速工具钢叶片的旋转叶片式压缩机 Has hydrofluoroolefin refrigerant gas and high-speed tool steel blade rotary vane compressor |
| 05/23/2012 | CN102472281A 多汽缸旋转式压缩机和制冷循环装置 Multi-cylinder rotary compressor and a refrigerating cycle device |
| 05/23/2012 | CN102472280A 压缩机 Compressor |
| 05/23/2012 | CN102472279A 真空泵 Vacuum pump |
| 05/23/2012 | CN102472278A 压缩机 Compressor |
| 05/23/2012 | CN102472277A 压缩机 Compressor |
| 05/23/2012 | CN102472276A 压缩机 Compressor |