| Patents for F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780) |
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| 05/23/2012 | CN102465890A 改良的涡轮分子泵的定子结构及其制造方法 The stator structure and manufacturing method of a modified turbo-molecular pump |
| 05/23/2012 | CN101173676B Electric axial flow fan |
| 05/16/2012 | CN102459914A 用于预测真空泵的转子旋转时的故障的方法及相关的抽吸装置 Method for predicting failure of the vacuum pump when the rotation of the rotor and associated suction means for |
| 05/16/2012 | CN102459913A 压缩机组件 Compressor assembly |
| 05/09/2012 | CN101598135B Axial-flow fan special for super large power load box |
| 05/08/2012 | US8172501 Counter-rotating axial-flow fax |
| 05/03/2012 | WO2012055313A1 Air jet wind turbine generator |
| 05/02/2012 | EP2446147A1 Method for predicting a rotation fault in the rotor of a vacuum pump, and associated pumping device |
| 04/26/2012 | WO2012053271A1 Vacuum pump |
| 04/26/2012 | WO2012053270A1 Vacuum pump |
| 04/26/2012 | US20120099961 Rotary machine having non-uniform blade and vane spacing |
| 04/26/2012 | DE102008058799B4 Verfahren zum Betrieb eines mehrstufigen Verdichters Method for operating a multi-stage compressor |
| 04/25/2012 | DE202012002753U1 Reihengeschaltete Ventilatoren Series Switched fans |
| 04/25/2012 | CN1932302B 具导流出风口的散热扇 A diversion outlet cooling fan |
| 04/25/2012 | CN102425563A Method and system for synchronously inhibiting subcritical vibration of rotor of magnetic suspension molecular pump |
| 04/25/2012 | CN102425562A Dynamic balance method for magnetic suspension molecular pump |
| 04/25/2012 | CN102425561A Dynamic balance method for magnetic suspension molecular pump |
| 04/25/2012 | CN102425560A 一种磁悬浮分子泵动平衡方法 Magnetically molecular pump balancing method |
| 04/25/2012 | CN102425559A 一种磁悬浮分子泵降速过程中的平稳控制方法 Magnetically-molecular pumps smooth deceleration process control methods |
| 04/25/2012 | CN102425557A 一种获取磁悬浮分子泵转子悬浮中心的控制方法 A control method for obtaining molecular pump rotor suspension maglev center |
| 04/25/2012 | CN102425556A 一种获取磁悬浮分子泵转子径向悬浮中心的方法 A method of obtaining molecular pump rotor radial magnetic levitation suspension centric approach |
| 04/25/2012 | CN102425555A 一种获取磁悬浮分子泵转子径向悬浮中心的方法 A method of obtaining molecular pump rotor radial magnetic levitation suspension centric approach |
| 04/25/2012 | CN102425554A 一种磁悬浮分子泵增益调度控制方法 Magnetically molecular pump gain scheduling control method |
| 04/25/2012 | CN102425553A 磁悬浮分子泵的转子悬浮中心测定方法 Determination of the molecular pump rotor magnetic levitation suspension center |
| 04/25/2012 | CN101594841B 用于打开气道的装置和方法 Apparatus and method used to open the airways |
| 04/19/2012 | US20120093637 Axial Compressor |
| 04/18/2012 | EP2440789A1 Vacuum pump |
| 04/12/2012 | WO2012046495A1 Vacuum pump control device and vacuum pump |
| 04/11/2012 | CN102410238A Stability control method in accelerating process of magnetic molecular pump |
| 04/10/2012 | DE202012001216U1 Tisch- bzw. Standventilator in Form eines Flugzeugmodells mit Propellerantrieb Table or pedestal fan in the form of a model airplane propeller driven |
| 04/10/2012 | CA2747136C Vacuum pump |
| 04/05/2012 | WO2012043035A1 Exhaust pump |
| 04/05/2012 | WO2012043027A1 Exhaust pump |
| 04/04/2012 | EP2436933A2 Support frame for axial fan |
| 03/28/2012 | CN101504005B Active air feeding device for isolation type refuge system |
| 03/22/2012 | US20120070267 Axial Flow Compressor, Gas Turbine System Having the Axial Flow Compressor and Method of Modifying the Axial Flow Compressor |
| 03/22/2012 | DE102010045716A1 Vakuumpumpe Vacuum pump |
| 03/21/2012 | EP2431614A2 Vacuum pump |
| 03/21/2012 | CN102384094A High-temperature axial flow fan |
| 03/15/2012 | WO2012032863A1 Turbo-molecular pump |
| 03/14/2012 | CN101052809B Pump device |
| 03/01/2012 | DE202011107634U1 Ringförmiger Ventilator mit einem entlastbaren Rahmen Annular fan with a ventable frame |
| 02/28/2012 | US8123475 Heat dissipation fan |
| 02/23/2012 | WO2012023026A2 Mix for outer tyre portions of improved appearance |
| 02/23/2012 | WO2011121322A3 Vacuum pumping system |
| 02/23/2012 | DE10159835B4 Vakuumpumpsystem The vacuum pumping system |
| 02/22/2012 | CN102362015A Surface-treatment method for components of mechanical booster pumps, turbomolecular pumps, or dry pumps, as well as mechanical booster pump, turbomolecular pump, or dry pump treated with said surface-treatment method |
| 02/22/2012 | CN101457758B 增强排气型复合分子泵 Reinforced composite molecular pump exhaust |
| 02/21/2012 | CA2542732C Turbomolecular vacuum pump |
| 02/15/2012 | EP2418431A2 Air conditioning system with air conditioning device |
| 02/15/2012 | EP2418430A2 Air conditioning device and method for conditioning an airflow |
| 02/15/2012 | EP2417358A1 Compressor arrangement |
| 02/09/2012 | WO2012018111A1 Vacuum pump |
| 02/09/2012 | US20120034066 Vacuum pump |
| 02/09/2012 | DE102010038950A1 Axial blower for radiator of internal combustion engine, particularly for commercial motor vehicle, is attached with casing or fan frame at engine |
| 02/09/2012 | DE102010033373A1 Lecksuchgerät Leak Detector |
| 02/08/2012 | CN101668678B 轴流式风扇装置及其制造方法 Axial fan device and manufacturing method |
| 02/02/2012 | DE102011016965A1 Radiator frame for use in internal combustion engine of motor car, has electromotor displaceably arranged in axial direction with respect to frame body and fixed at adjusted position by ring-like support |
| 02/02/2012 | DE102010032346A1 Turbo molecular pump for use in turbo molecular pump system, has rotor and stator arranged in pump casing, intake port carried by pump casing and axially arranged to rotor axis, and exhaust opening axially arranged to rotor axis |
| 01/31/2012 | US8106354 Mass spectrometer arrangement |
| 01/31/2012 | US8105013 Vacuum pump |
| 01/26/2012 | WO2012010782A1 Turbine engine having two unducted propellers |
| 01/26/2012 | CA2805757A1 Turbine engine having two unducted propellers |
| 01/25/2012 | EP2410184A1 Vibration damper for vacuum pumps |
| 01/25/2012 | EP2409039A1 Multi-inlet vacuum pump |
| 01/25/2012 | EP1795756B1 Fixed vane of turbo molecular pump |
| 01/25/2012 | CN101666321B Axial-flow type pneumatic dedusting fan |
| 01/18/2012 | EP1856416B1 Apparatus and method for inhibiting the propagation of a flame front |
| 01/18/2012 | CN202118589U Led灯 Led lights |
| 01/18/2012 | CN202117948U Vacuum pump and vacuum pump fluid distributing system |
| 01/18/2012 | CN202117947U Axial flow fan |
| 01/18/2012 | CN102326002A Turbo molecular pump and particle trap for turbo molecular pump |
| 01/18/2012 | CN102322436A Radial vibration control method for magnetic suspension molecular pump |
| 01/13/2012 | DE202010012795U1 Vakuumpumpe Vacuum pump |
| 01/05/2012 | WO2012002084A1 Vacuum pump |
| 01/04/2012 | EP2401505A2 Multi-inlet vacuum pump |
| 01/04/2012 | CN102308097A Multiple-inlet vacuum pump |
| 01/04/2012 | CN101307771B Vacuum divider for differential pumping of a vacuum system |
| 12/29/2011 | WO2011162070A1 Vacuum pump |
| 12/28/2011 | EP2400603A1 Gas laser oscillator apparatus and gas laser machining apparatus |
| 12/28/2011 | CN202091252U 用于涡轮分子泵的固定叶片 Fixed blades for turbo-molecular pump |
| 12/28/2011 | CN101813093B 具有改良式转速控制模块的风扇及其组成的风 扇组 With improved speed control module type fan and fan group consisting of |
| 12/27/2011 | US8083475 Turbine bucket angel wing compression seal |
| 12/22/2011 | US20110311348 Multi-inlet vacuum pump |
| 12/14/2011 | EP2394061A1 Multiple inlet vacuum pumps |
| 12/14/2011 | CN202073802U 可加热式微波管排气用分子泵 Heated exhaust pipe microwave molecular pump |
| 12/13/2011 | US8075288 Screw pump and pumping arrangement |
| 12/05/2011 | DE202010011790U1 Turbomolekularpumpen Turbo-molecular pumps |
| 12/01/2011 | US20110293401 Turbomolecular pump, and particle trap for turbomolecular pump |
| 12/01/2011 | DE102010021945A1 Vakuumpumpe Vacuum pump |
| 11/30/2011 | EP2390510A2 Vacuum pump |
| 11/30/2011 | EP1668255B1 Vacuum pump |
| 11/29/2011 | US8066495 Turbo vacuum pump and semiconductor manufacturing apparatus having the same |
| 11/24/2011 | WO2011145444A1 Deposit detection device for exhaust pump, and exhaust pump provided with the device |
| 11/24/2011 | DE102010021241A1 Vakuumpumpe Vacuum pump |
| 11/23/2011 | CN202048001U Molecular pump vacuum air suction device |
| 11/16/2011 | CN102245905A Impeller for a fan |
| 11/16/2011 | CN102242722A Maglev molecular pump, and control method and manufacturing method thereof |
| 11/16/2011 | CN102242721A Magnetic suspension molecular pump and manufacturing method thereof |
| 11/16/2011 | CN102242644A Passage wall section for an annular flow passage of an axial turbomachine with radial gap adjustment |