| Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201) |
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| 07/11/2012 | CN202326243U 双级增焓压缩机及具有其的空调器和热泵热水器 Two-stage compressor enthalpy and has its air conditioner and heat pump water heater |
| 07/11/2012 | CN202326242U 双转子压缩机及具有其的空调器和热泵热水器 Dual-rotor compressor and have their air conditioner and heat pump water heater |
| 07/11/2012 | CN202326241U 转子涡旋组合式压缩机及具有其的空调系统 Combined scroll compressor rotor and have their air-conditioning systems |
| 07/11/2012 | CN202325862U Wind power generation and energy storage device |
| 07/11/2012 | CN102575675A Multi-cylinder rotary compressor and refrigeration cycle device |
| 07/11/2012 | CN102575674A Rotary compressor and refrigeration cycle device |
| 07/11/2012 | CN102562595A High-efficiency screw composite oil conveying pump |
| 07/04/2012 | EP2472116A2 Hermetic compressor |
| 07/04/2012 | EP2472115A1 Spherical expansion compressor adapted to variable working conditions |
| 07/04/2012 | EP2472114A1 Scroll fluid machine |
| 07/04/2012 | CN202301036U Rotary two-stage enthalpy-increasing compressor |
| 07/04/2012 | CN202301035U Double-stage compressor with middle venting partition board |
| 07/04/2012 | CN102536821A Semi-closed screw refrigerating compressor for ammonia |
| 07/04/2012 | CN102536820A Self-operated air compressor |
| 07/04/2012 | CN102536819A Secondary double-cylinder compressor with high refrigerating performance |
| 07/04/2012 | CN101868598B Compressor integral with expander |
| 07/04/2012 | CN101806302B 涡旋机械 Scroll Machinery |
| 07/04/2012 | CN101611229B 回转式压缩机 Rotary Compressor |
| 07/04/2012 | CN101532492B Screw-type vacuum pump |
| 06/28/2012 | WO2012086779A1 Multi-cylinder rotary compressor and refrigeration cycle device |
| 06/28/2012 | WO2012086637A1 Multi-cylinder rotary compressor and refrigeration cycle device |
| 06/27/2012 | CN202284544U 旋转式压缩机 Rotary compressor |
| 06/27/2012 | CN1688817B Helical compressor for refrigerating medium |
| 06/27/2012 | CN101629738B Capacity modulation compressor and air conditioning system having the same |
| 06/27/2012 | CN101179216B Rotary compressor |
| 06/26/2012 | US8206128 Refrigeration cycle system |
| 06/21/2012 | WO2012080611A1 Thermodynamic system provided with a plurality of compressors |
| 06/21/2012 | WO2012080610A2 Scroll refrigeration compressor |
| 06/21/2012 | WO2012041259A8 Variable capacity compressor with line-start brushless permanent magnet motor |
| 06/21/2012 | DE102011054607A1 Vakuumpumpe Vacuum pump |
| 06/20/2012 | EP2466141A1 Dry pump |
| 06/20/2012 | EP2466140A1 Compressor |
| 06/20/2012 | CN101449028B Compressor with built-in expander |
| 06/14/2012 | US20120148421 Ejector Pump |
| 06/13/2012 | CN101321954B Multi-step helical screw compressor unit |
| 06/13/2012 | CN101307764B Compressor |
| 06/13/2012 | CN101294573B 回转式压缩机 Rotary Compressor |
| 06/07/2012 | WO2012072478A1 Methods and systems for maintaining a high vacuum in a vacuum enclosure |
| 06/06/2012 | EP2461040A1 Vacuum pump and joint of shaft and rotary piston |
| 06/06/2012 | EP2461039A1 Electric compressor |
| 06/06/2012 | EP2461038A2 Operation control method for BOG multistage displacement compressor |
| 06/06/2012 | CN202266437U Rolling double-rotor type refrigeration compressor with cylinder cooling structure |
| 06/06/2012 | CN202266430U 一种变容量双级增焓压缩机及一种空调系统 A variable capacity compressor and two-stage increase in enthalpy of an air conditioning system |
| 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 | CN101307765B Compressor |
| 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 | EP2458218A1 A system for maintaining a high vacuum |
| 05/30/2012 | EP2456982A2 Gaseous fluid pump |
| 05/30/2012 | CN202250865U Rotary compressor |
| 05/30/2012 | CN202250864U Two-stage variable-capacity rotary compressor and air-conditioning system thereof |
| 05/30/2012 | CN202250863U Double-stage rotating compressor |
| 05/30/2012 | CN102483061A 多段蜗管机器 Multi-cochlear duct machine |
| 05/30/2012 | CN102483053A Soft-start hermetic compressor |
| 05/30/2012 | CN101868597B Compressor integral with expander |
| 05/30/2012 | CN101855422B Compressor integral with expander |
| 05/30/2012 | CN101535599B Fluid machinery |
| 05/24/2012 | WO2012066782A1 Vacuum exhaust device coupling structure and vacuum exhaust system |
| 05/24/2012 | WO2012066781A1 Vacuum exhaust device connection structure and vacuum exhaust system |
| 05/24/2012 | WO2012066780A1 Vacuum exhaust device coupling structure and vacuum exhaust system |
| 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 |
| 05/23/2012 | CN202228360U Double-stage enthalpy increase compressor |
| 05/23/2012 | CN202228359U Double-cylinder rolling rotor type compressor pump body |
| 05/23/2012 | CN102472285A 干泵 Dry Pumps |
| 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 | CN102465879A 多级干燥真空泵 Multi-stage dry vacuum pump |
| 05/23/2012 | CN101392749B Vortex vacuum pump |
| 05/23/2012 | CN101389867B Freezing device |
| 05/18/2012 | WO2012062852A1 A hermetic compressor comprising an oil sucking member |
| 05/16/2012 | DE102010051316A1 Vakuumpumpe Vacuum pump |
| 05/16/2012 | CN202220732U Four-stage vortex compressor |
| 05/16/2012 | CN102459911A 制冷剂压缩机以及热泵装置 A refrigerant compressor and the heat pump apparatus |
| 05/16/2012 | CN102454607A Variable-volume rotary compressor |
| 05/09/2012 | CN102444584A Motor-driven compressor |
| 05/09/2012 | CN102444583A Birotor compressor |
| 05/02/2012 | CN101680300B Refrigeration cycle device and fluid machine used therefor |
| 04/26/2012 | WO2011157411A3 Short-shaft electric compressor |
| 04/26/2012 | DE10019637B4 Schraubenvakuumpumpe Screw vacuum pump |
| 04/25/2012 | CN202203117U 双缸旋转式压缩机 Twin rotary compressor |
| 04/25/2012 | CN202203116U 一种双缸变容量旋转压缩机及其空调系统 One kind of variable capacity twin rotary compressors and air conditioning systems |
| 04/25/2012 | CN102428276A 特别适合于在压缩单元中并联连接的螺杆压缩机 Particularly suitable for use in the compression unit is connected in parallel to the screw compressor |
| 04/18/2012 | EP2441961A1 Refrigerant compressor and heat pump device |
| 04/18/2012 | EP2441960A1 Refrigerant compressor and heat pump device |
| 04/18/2012 | CN102418699A 一种变级压缩机 A variable-stage compressor |
| 04/18/2012 | CN101749242B 螺旋压缩机 Screw compressor |
| 04/12/2012 | US20120085118 Refrigerant compressor and heat pump apparatus |
| 04/11/2012 | CN202187917U 双级增焓压缩机 Two-stage compressor enthalpy |
| 04/11/2012 | CN102414449A 真空泵 Vacuum pump |
| 04/11/2012 | CN102410222A Rotary compressor |
| 04/05/2012 | WO2012042894A1 Positive displacement compressor |
| 04/05/2012 | WO2012041472A1 Electrical connector for an electric compressor |
| 04/05/2012 | WO2012041259A1 Variable capacity compressor with line-start btushles permanent magnet motor |
| 04/04/2012 | EP2435706A2 Microsystems for converting pressures and compression |