| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 02/23/2012 | WO2012023428A1 Vane compressor |
| 02/23/2012 | WO2012023427A1 Vane compressor |
| 02/23/2012 | WO2012023426A1 Vane compressor |
| 02/23/2012 | WO2012022732A2 Vacuum pump |
| 02/23/2012 | WO2011018294A3 Vacuum pump |
| 02/23/2012 | US20120045357 High effieiency scroll compressor with spiral compressor blades of unequal thickness |
| 02/23/2012 | DE102010035164A1 Rotary piston gas compressor used in automobile field, has cylindrical housing with rotary piston comprising ring segments connected with outer contours so as to form pressure surface |
| 02/22/2012 | EP2419640A2 Screw-type vacuum pump |
| 02/22/2012 | CN202149028U 涡旋压缩机 Scroll Compressor |
| 02/22/2012 | CN202149027U 一种涡旋式制冷压缩机 A scroll-type refrigerant compressor |
| 02/22/2012 | CN102362074A Single screw compressor |
| 02/22/2012 | CN102362071A Shaft bearings, compressor with same, and methods |
| 02/21/2012 | US8118579 Gear pump |
| 02/21/2012 | US8118577 Scroll compressor having optimized cylinder oil circulation rate of lubricant |
| 02/21/2012 | US8118576 Oil rotary vacuum pump and manufacturing method thereof |
| 02/16/2012 | WO2012020740A1 Refrigerant compressor |
| 02/16/2012 | WO2012000066A8 Method for controlling a compressor element of a screw compressor |
| 02/16/2012 | WO2011058848A9 Rotary vane compressor |
| 02/16/2012 | DE102010039343A1 Vakuumpumpe Vacuum pump |
| 02/15/2012 | EP2418386A2 Rotary compressor |
| 02/15/2012 | EP2417356A2 Compressor having capacity modulation assembly |
| 02/15/2012 | CN202144793U 机电一体式螺杆压缩机 Mechatronic screw compressors |
| 02/15/2012 | CN102356240A Screw compressor |
| 02/15/2012 | CN102352847A Oil-free helical-lobe compressor rotor |
| 02/15/2012 | CN102352846A Oil-free dry screw compressor rotor |
| 02/15/2012 | CN102352844A Energy-saving type rolling rotor compressor |
| 02/15/2012 | CN102352843A Oil-free double-screw compressor |
| 02/15/2012 | CN102352842A Novel water-cooling semi-sealed helical-lobe compressor |
| 02/15/2012 | CN101715516B 变速涡旋制冷压缩机 Variable speed scroll refrigeration compressors |
| 02/15/2012 | CN101684792B 旋转式压缩机及具有旋转式压缩机的制冷循环装置 Rotary compressor and refrigeration cycle device having a rotary compressor |
| 02/09/2012 | WO2012017760A1 Scroll-type fluid machine |
| 02/09/2012 | WO2012017727A1 Hermetically sealed compressor |
| 02/09/2012 | US20120034124 Compressor and kit repairing and inflating inflatable articles |
| 02/09/2012 | DE102010034230A1 Expansionsvorrichtung zur Verwendung in einem Arbeitsmittelkreislauf und Verfahren zum Betrieb einer Expansionsvorrichtung Expansion device for use in a working medium circuit and method for operating an expansion device |
| 02/08/2012 | EP2416015A1 Scroll compressor |
| 02/08/2012 | EP2414683A2 Pump for a motor vehicle internal combustion engine, and motor vehicle internal combustion engine having a pump |
| 02/08/2012 | EP2414682A2 Contoured check valve disc and scroll compressor incorporating same |
| 02/08/2012 | CN202140315U 分段式变螺距转子结构 Segmented variable pitch rotor structure |
| 02/08/2012 | CN202140314U 永磁直联式螺杆压缩机 Permanent Magnet Direct screw compressors |
| 02/08/2012 | CN202140313U 干式螺杆真空泵双摆线转子 Dry Screw Vacuum Pump dual gerotor |
| 02/08/2012 | CN102348898A Powder metal scrolls and sinter-brazing methods for making the same |
| 02/08/2012 | CN102345604A Vane type translational rotor compressor |
| 02/08/2012 | CN102345603A Vane compressor |
| 02/08/2012 | CN102345602A Fluid machine |
| 02/08/2012 | CN102345601A Open type scroll compressor without oil lubrication |
| 02/08/2012 | CN101639067B 涡旋式流体机械 The scroll-type fluid machine |
| 02/07/2012 | US8109747 Drive system having a variable output gerotor pump |
| 02/07/2012 | US8109746 Progressing cavity pump/motor |
| 02/07/2012 | US8109252 Rotary engine combustion chamber |
| 02/02/2012 | WO2011149209A3 Electrically driven scroll compressor |
| 02/01/2012 | EP2412980A1 Single screw compressor |
| 02/01/2012 | EP2412979A2 Pressure pump with suction nut |
| 02/01/2012 | EP2411678A1 A compressor |
| 02/01/2012 | EP2411677A2 Compressor |
| 02/01/2012 | EP2411674A2 Shaft bearings, compressor with same, and methods |
| 02/01/2012 | CN202132235U Air refrigerant ejecting rotary type compressor |
| 02/01/2012 | CN202132234U Double-slip-sheet type rotary compressor |
| 02/01/2012 | CN202132233U 旋转压缩机 Rotary compressor |
| 02/01/2012 | CN202132232U Engine system and mechanical supercharger compressor for the same |
| 02/01/2012 | CN202132231U 带内置式过流过热保护器的直流变频涡旋压缩机 With built-in overcurrent protection device overheating DC inverter scroll compressor |
| 02/01/2012 | CN202132230U 带内置式温度传感器的涡旋压缩机 With built-in temperature sensor scroll compressor |
| 02/01/2012 | CN202132229U 旋转式压缩机 Rotary compressor |
| 02/01/2012 | CN1865706B 开放式驱动涡旋机 Open the drive scroll machine |
| 02/01/2012 | CN102338087A 罗茨式流体机械 Roots-type fluid machinery |
| 02/01/2012 | CN102338086A Star-rotary-type compressor or pump |
| 02/01/2012 | CN102337930A Star rotary rotation device |
| 02/01/2012 | CN101709700B 一种汽车用湿式旋片电动真空泵 An automobile with a wet electric rotary vane vacuum pump |
| 02/01/2012 | CN101691863B 一种降耗变排量回转压缩机 One kind of saving variable displacement rotary compressor |
| 02/01/2012 | CN101666303B 电动压缩机 Electric compressor |
| 02/01/2012 | CN101631957B 转子和设置有这种转子的压缩机部件 A compressor rotor and the rotor member such |
| 01/31/2012 | US8105059 Compressor with screw rotor and gate rotor with inclined gate rotor center axis |
| 01/31/2012 | US8105054 Oil return tube aligned over motor protector in scroll compressor |
| 01/26/2012 | WO2012012423A2 Variable capacity screw compressor and method |
| 01/26/2012 | WO2012011206A1 Vane compressor |
| 01/26/2012 | WO2012010094A1 Two stage compressor and pump body baffle thereof |
| 01/26/2012 | WO2011139041A3 Compressor for a heat pump |
| 01/26/2012 | DE102010025988A1 Ladevorrichtung zur Verdichtung von Ladeluft Loading apparatus for compressing charge air |
| 01/26/2012 | CA2804836A1 Variable capacity screw compressor and method |
| 01/25/2012 | EP2410182A1 Screw compressor |
| 01/25/2012 | EP2410181A2 Vane compressor |
| 01/25/2012 | CN202125320U Power machine |
| 01/25/2012 | CN102333957A 旋转压缩机 Rotary compressor |
| 01/25/2012 | CN102330688A Claw-type rotor profile |
| 01/25/2012 | CN102330685A 叶片式压缩机 Vane compressor |
| 01/25/2012 | CN102330684A Fretting type scroll compressor with axial stator disc |
| 01/25/2012 | CN102330683A Scroll compressor with high wear-resistant apron pin structure |
| 01/25/2012 | CN102330682A Vortex compressor with high-abrasion-resistant eccentric bushing structure |
| 01/25/2012 | CN102330681A Vortex compressor |
| 01/25/2012 | CN102330680A Scroll compressor |
| 01/25/2012 | CN102330679A Demountable type scroll compressor |
| 01/25/2012 | CN102330678A Moving volution floating volution type compressor |
| 01/25/2012 | CN102330677A Scroll compressor |
| 01/25/2012 | CN101608621B Rotary compressor and air-conditioning system using same |
| 01/24/2012 | US8099957 Dual-inlet supercharger for EGR flow control |
| 01/24/2012 | CA2642172C Roots type gear compressor with helical lobes having feedback cavity |
| 01/24/2012 | CA2626884C A liquid injection type screw compressor |
| 01/18/2012 | EP2407668A2 Scroll compressor |
| 01/18/2012 | EP2407636A2 Vane compressor |
| 01/18/2012 | CN202117929U Lower pressure rotary compressor in shell |
| 01/18/2012 | CN202117928U Capacitance variable type rotary compressor |