| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 01/18/2012 | CN202117927U Sliding press ring type gas compressor |
| 01/18/2012 | CN202117926U Variable-capacity rotary compressor with single cylinder |
| 01/18/2012 | CN202117925U 旋转压缩机 Rotary compressor |
| 01/18/2012 | CN202117924U Refrigerant jetting type rotary compressor |
| 01/18/2012 | CN202117923U Low-noise roots blower |
| 01/18/2012 | CN202117922U Static vortex plate and vortex compressing structure of vortex compressor |
| 01/18/2012 | CN102326000A Scroll compressors with different volume indexes and systems and methods for same |
| 01/18/2012 | CN102322422A Vehicle mounted oil-free screw air-compressor oil pump and circulating method thereof |
| 01/18/2012 | CN102322421A Vehicle-mounted oil-free screw air compressor and oil circuit self-circulation cooling method thereof |
| 01/17/2012 | US8096792 Scroll type fluid machine with a rotation preventing cylindrical member |
| 01/17/2012 | US8096288 High efficiency supercharger outlet |
| 01/12/2012 | WO2012005150A1 Scroll compressor |
| 01/12/2012 | WO2012005007A1 Scroll compressor |
| 01/12/2012 | WO2012004993A1 Rotary compressor and refrigeration cycle device |
| 01/12/2012 | WO2012004992A1 Rotary compressor and refrigeration cycle device |
| 01/12/2012 | WO2012004762A2 Pump with a vane rotor |
| 01/12/2012 | WO2012004579A2 Pump |
| 01/12/2012 | CA2800392A1 Pump |
| 01/11/2012 | CN202108733U Compressor comprising anti-rotation gasket |
| 01/11/2012 | CN202108731U Internal cooling vacuum pump |
| 01/11/2012 | CN202108730U Movement structure of rotary-vane automobile air conditioner compressor |
| 01/11/2012 | CN202108729U Oil and gas separating structure for compressor of horizontal vortex air conditioner |
| 01/11/2012 | CN102317631A 旋转压缩机 Rotary compressor |
| 01/11/2012 | CN102317630A Scroll-type refrigerator compressor |
| 01/11/2012 | CN102312835A Root's compressor |
| 01/11/2012 | CN102312834A Scroll fluid machine |
| 01/11/2012 | CN101543669B Vehicular compressed air foam fire-extinguishing system |
| 01/11/2012 | CN101358596B Fluid machinery |
| 01/10/2012 | US8092202 Propeller pump system for handed propeller applications |
| 01/05/2012 | WO2012002584A1 Three-dimensional spherical rotary-piston machine |
| 01/05/2012 | WO2012001989A1 Rotary compressor |
| 01/05/2012 | WO2012001966A1 Rotary compressor |
| 01/05/2012 | WO2012000066A2 Method for controlling a compressor element of a screw compressor |
| 01/05/2012 | DE102011103165A1 Ladevorrichtung zur Verdichtung von Ladeluft für einen Verbrennungsmotor Charging device for compressing charge air for an internal combustion engine |
| 01/05/2012 | DE102010026032A1 Flatter valve i.e. non-return valve, for use in rotary vane pump in brake booster in motor car, has blank holder whose form corresponds to bending line of single-sided clamped bending bar, which is designed as cantilever arm |
| 01/05/2012 | DE102010025986A1 Charging device e.g. scroll type supercharger for internal combustion engine, has rotary shaft seal that includes ring housing and seat, where ring housing and outer portion of seat are partially formed with same light metal |
| 01/05/2012 | DE102010025985A1 Charging device, particularly turbocharger for compressing supercharged air for internal combustion engine, has scroll compressor and shaft seal ring for sealing shaft opposite to outer part for preventing passage of bearing lubricant |
| 01/04/2012 | EP2402612A2 Sealing arrangement for the wrap tips of a scroll compressor |
| 01/04/2012 | EP2402611A2 Loading device for compacting charge air for a combustion engine |
| 01/04/2012 | EP1534957B1 Screw compressor discharge flow guide |
| 01/04/2012 | CN202100465U Air cooled roots vacuum pump |
| 01/04/2012 | CN202100464U Rotary compressor |
| 01/04/2012 | CN202100463U Single-cylinder double-vane rotary compressor |
| 01/04/2012 | CN202100462U Oiling blade falling-resistant structure of compressor |
| 01/04/2012 | CN202100461U High-temperature screw type refrigeration compressor suitable for high-temperature working condition |
| 01/04/2012 | CN202100460U Screw type air compressor |
| 01/04/2012 | CN202100459U Screw compressor |
| 01/04/2012 | CN202100458U Scroll compressor |
| 01/04/2012 | CN1807897B Multi-stage rotary compressor |
| 01/04/2012 | CN102308095A Pump for a motor vehicle internal combustion engine, and motor vehicle internal combustion engine having a pump |
| 01/04/2012 | CN102308094A Scroll compressor with materials to allow run-in |
| 01/04/2012 | CN102308093A Scroll compressor |
| 01/04/2012 | CN102308092A Reciprocating refrigeration compressor |
| 01/04/2012 | CN101560976B Energy-saving and environment-friendly vacuum device applied to petrochemical engineering and mixed arene separating system |
| 01/04/2012 | CN101512159B Scroll compressor |
| 01/04/2012 | CN101223363B Gear pump |
| 01/04/2012 | CN101014758B Concentric internal combustion rotary engine |
| 01/03/2012 | US8087915 Rotary pump with vane support divided into two half shells |
| 01/03/2012 | US8087914 Positive displacement pump with improved rotor design |
| 01/03/2012 | US8087913 Gear pump with unequal gear teeth on drive and driven gear |
| 12/29/2011 | WO2011160439A1 Compressed gas reflux compression system |
| 12/29/2011 | WO2011090335A3 Fluid pump and fluid-pumping method for same |
| 12/29/2011 | US20110318210 Vacuum pump |
| 12/28/2011 | EP2060739B1 Multi-stage rotary fluid machine and refrigeration cycle device |
| 12/28/2011 | CN202091201U 内啮合圆弧齿面双级组合真空泵 The ring arc tooth surface two-stage vacuum pump combination |
| 12/28/2011 | CN202091200U 防堵塞螺杆真空泵 Anti-blocking screw vacuum pumps |
| 12/28/2011 | CN202091199U 一种150-350马力双螺杆空气压缩机的转子组合 A combination of 150-350 horsepower twin rotor screw air compressors |
| 12/28/2011 | CN202091198U 一种涡旋压缩机 A scroll compressor |
| 12/28/2011 | CN202091197U 涡旋压缩机及其静涡旋盘 Scroll and the fixed scroll compressor |
| 12/28/2011 | CN202090958U 旋阀机构及应用该旋阀机构的星旋式转动装置 Rotary valve mechanism and application of the spin valve body rotating device rotating star |
| 12/28/2011 | CN102301142A 用于螺杆式压缩机的转子 For the rotor screw compressor |
| 12/28/2011 | CN102301094A 带有接纳排放压力流体的背压腔的涡旋式压缩机 Scroll compressor with a discharge pressure of the fluid back pressure receiving chamber |
| 12/28/2011 | CN102297133A 一种全性能涡旋空气压缩机一体机 An all-in-one performance of the scroll air compressor |
| 12/28/2011 | CN102297132A 涡旋压缩机 Scroll Compressor |
| 12/28/2011 | CN101512160B 压缩机数据模块 Compressor Data Module |
| 12/21/2011 | EP2397696A1 Vane pump |
| 12/21/2011 | CN202082103U 喷油双螺杆空气压缩机及其机体 Injection twin-screw air compressors and body |
| 12/21/2011 | CN202082102U 三叶罗茨鼓风机组 Lobe Roots Blower |
| 12/21/2011 | CN102287374A 一种双螺杆压缩机转子的齿型 Tooth a twin-screw compressor rotor |
| 12/21/2011 | CN102287373A 一种螺杆气体增压机 A screw gas turbocharger |
| 12/21/2011 | CN102287372A 螺旋式压缩机及其控制装置 Screw compressors and control devices |
| 12/21/2011 | CN102287371A 一种涡旋式压缩机 A scroll type compressor |
| 12/21/2011 | CN101737326B 旋转压缩机 Rotary compressor |
| 12/21/2011 | CN101688536B 旋转式压缩机及制冷循环装置 Rotary compressor and refrigeration cycle apparatus |
| 12/21/2011 | CN101592150B 涡旋流体机械 The scroll fluid machine |
| 12/21/2011 | CN101482114B 密闭型电动压缩机 Hermetic compressor |
| 12/21/2011 | CN101429939B 压缩真空两用机 Squeezed vacuum dual-purpose machine |
| 12/20/2011 | US8079343 Positive-displacement turbine engine |
| 12/20/2011 | CA2497491C Closed system rotary machine |
| 12/15/2011 | WO2011155208A1 Scroll compressor |
| 12/15/2011 | WO2011155176A1 Compressor |
| 12/15/2011 | WO2011153915A1 Spiraster-type fluid motor or engine and compressor or pump |
| 12/15/2011 | WO2011018293A3 Vacuum pump |
| 12/15/2011 | DE102010023137A1 Rotary vane pump, particularly hydraulic system, in brake boosters of motor vehicles, has inner chamber, rotor with slot and blade which divides inner chamber in two chambers, where slot runs transverse to rotating axis |
| 12/14/2011 | EP2394059A1 Scroll compressor with materials to allow run-in |
| 12/14/2011 | EP2394058A1 Reciprocating Refrigeration Compressor |
| 12/14/2011 | EP2394024A1 Scroll compressor with back pressure pocket receiving discharge pressure fluid |
| 12/14/2011 | EP2219917B1 Vacuum pump |
| 12/14/2011 | EP2128384B1 Expander-integrated compressor |
| 12/14/2011 | CN202073788U 一种带有油温控制系统的风冷式旋片真空泵 An air-cooled rotary vane vacuum pump with oil temperature control system |