| Patents for F04D 17 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (4,320) |
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| 02/02/2012 | WO2012012926A1 Electric composite multi-stage centrifugal compressor device |
| 02/01/2012 | CN102341601A Crossflow fan and air conditioner provided with same |
| 02/01/2012 | CN101660983B 集中器 Concentrator |
| 01/25/2012 | EP2410183A2 Diagonal ventilator |
| 01/25/2012 | CN202125437U Integrated centrifugal pipeline fan |
| 01/19/2012 | WO2012007465A1 Centrifugal compressor |
| 01/19/2012 | DE102010027244A1 Zentrifugalverdichter Centrifugal |
| 01/18/2012 | EP2407671A1 Crossflow fan and air conditioner provided with same |
| 01/18/2012 | CN102326001A Improvements in multi-stage centrifugal compressors |
| 01/11/2012 | CN202108750U Multi-stage sewage treatment centrifugal blower |
| 01/11/2012 | CN202108749U Chlorine blower |
| 01/05/2012 | WO2012002081A1 Fan, mold for molding, and fluid feeding device |
| 01/05/2012 | WO2012002080A1 Fan, casting die and fluid delivery device |
| 01/05/2012 | WO2012001997A1 Seal device and fluid machinery provided with same |
| 01/05/2012 | WO2012001861A1 Impeller, and electric blower and electric cleaner provided with impeller |
| 01/04/2012 | EP2402614A2 Method And Apparatus For Acid Gas Compression |
| 01/04/2012 | CN202100491U Turbo compressor |
| 01/04/2012 | CN202100490U Novel centrifugal blower structure of iron melting furnace |
| 01/04/2012 | CN101818740B High full-voltage large-flow centrifugal blower with slant-wheel disk front-bent impeller |
| 01/04/2012 | CN101220819B Centrifugal compressor |
| 12/29/2011 | US20110318189 Crossflow fan and air conditioner provided with same |
| 12/28/2011 | EP2400156A2 Multi-stage centrifugal fan |
| 12/28/2011 | CN102297145A 贯流扇和具有该贯流扇的空调机 Cross-flow fans and air conditioners have the tubular fan |
| 12/22/2011 | WO2011130807A3 Method for controlling a compressor |
| 12/21/2011 | CN102292551A 用于喷射和吸取流体旋转机械用的气体的可逆系统 Reversible system is used to draw fluid injection and gas rotating machinery |
| 12/21/2011 | CN102287383A 一种涡流风扇 A vortex fan |
| 12/21/2011 | CN102287382A 离心高压风机 High pressure centrifugal blower |
| 12/20/2011 | US8079808 Geared inlet guide vane for a centrifugal compressor |
| 12/15/2011 | WO2011154092A1 Apparatus for sucking off or compressing a working fluid |
| 12/14/2011 | CN202073801U 一种应用于集装箱式云计算中心的无蜗壳风扇 Applied to containerized cloud computing center without scroll fan |
| 12/07/2011 | CN202065203U 一种细纱机吸棉风机 One kind of cotton spinning suction fan |
| 12/07/2011 | CN202065202U 苯菲尔蒸汽离心压缩机 Benfield steam centrifugal compressor |
| 12/07/2011 | CN102269169A 贯流风机及具有其的空调器 Cross flow fan and have their air conditioners |
| 12/06/2011 | US8072755 Airflow-adjustable active heat-dissipating mechanism and electronic device having same |
| 11/30/2011 | EP2389517A2 Reversible system for injecting and extracting gas for fluid rotary machines |
| 11/30/2011 | EP1668255B1 Vacuum pump |
| 11/30/2011 | CN202056068U 局部通风机消声装置 Local fan silencer |
| 11/24/2011 | WO2011144515A1 Centrifugal compressor |
| 11/24/2011 | WO2011056303A3 Air compression and expansion system with single shaft compressor and turbine arrangement |
| 11/23/2011 | CN202048000U Water supply system for water-ring vacuum pumps |
| 11/23/2011 | CN202047999U Centrifugal fan with whirl air intake |
| 11/23/2011 | CN102251971A Cross-flow fan |
| 11/23/2011 | CN101696695B Axial flow compressor serially connected by multiple single-stage axial flow fans in L-shaped arrangement |
| 11/22/2011 | US8061980 Separation-resistant inlet duct for mid-turbine frames |
| 11/16/2011 | EP2122178B1 Air conditioning apparatus equipped with a compressor and a vortex |
| 11/16/2011 | CN202040097U Centrifugal jet vacuum pump |
| 11/16/2011 | CN202040096U Horizontal convection fan and frame seat thereof |
| 11/16/2011 | CN102242720A Bidirectional air inlet centrifugal fan |
| 11/15/2011 | CA2563306C Vacuum pump |
| 11/15/2011 | CA2563234C Vacuum pump |
| 11/09/2011 | EP2385257A2 Vacuum pump stage |
| 11/09/2011 | EP2384399A1 Improvements in multi-stage centrifugal compressors |
| 11/09/2011 | EP1020644B1 A fluid machinery, a flange for fluid machinery, and a method for manufacturing them |
| 11/09/2011 | CN202031845U Centrifugal wall type fan |
| 11/09/2011 | CN102235373A Stack rotor with tie rod and bolted flange and method |
| 11/08/2011 | US8052376 Turbo-molecular pump, substrate processing apparatus, and method for suppressing attachment of depositions to turbo-molecular pump |
| 11/02/2011 | CN202023744U Water circulation system for water ring vacuum pump |
| 11/02/2011 | CN202023743U Horizontal convection fan and the impeller thereof |
| 11/01/2011 | US8047776 Unit for treating air with controlled flow |
| 11/01/2011 | US8047766 Electromechanical drive for actuating valves |
| 10/27/2011 | WO2011132509A1 Compressor housing for supercharger and production method for same |
| 10/27/2011 | WO2011130807A2 Method for controlling a compressor |
| 10/27/2011 | WO2011071846A3 Compressor performance adjustment system |
| 10/26/2011 | EP2381109A2 Rotor stack for centrifugal compressor |
| 10/26/2011 | CN101317720B Air inflation apparatus |
| 10/20/2011 | WO2010139030A3 Diagonal ventilator |
| 10/19/2011 | EP2378129A2 Vacuum Pump |
| 10/13/2011 | WO2011124153A1 Double wind wheel transverse flow blower |
| 10/13/2011 | WO2010086009A9 Improvements in multi-stage centrifugal compressors |
| 10/12/2011 | EP2375080A2 Vacuum pump |
| 10/12/2011 | EP2375079A1 A blower designed for fitting particularly in a chamber furnace |
| 10/12/2011 | CN102213220A Double-wind wheel cross-flow blower fan |
| 10/12/2011 | CN101144485B Blower |
| 10/05/2011 | CN202001332U Water-ring vacuum pump |
| 10/05/2011 | CN202001331U Fan used by electric tool and electric tool |
| 10/05/2011 | CN202001330U Horizontal type convection fan and fan wheel thereof |
| 10/05/2011 | CN102207093A Compressor |
| 10/04/2011 | US8029242 Multi-blade fan |
| 10/04/2011 | US8029237 Centrifugal fan and housing thereof |
| 10/04/2011 | CA2662668C Molecular drag pumping mechanism |
| 09/28/2011 | EP2368043A1 Vacuum pump |
| 09/28/2011 | CN1639466B A centrifugal compressor |
| 09/28/2011 | CN102200134A Swirling air intake centrifugal fan |
| 09/22/2011 | WO2011114925A1 Fan, metallic mold, and fluid delivery device |
| 09/22/2011 | WO2011114375A1 Cross-flow fan and air conditioner |
| 09/22/2011 | WO2011113098A1 A centrifugal compressor |
| 09/22/2011 | CA2793049A1 Fan, molding die, and fluid feeder |
| 09/21/2011 | CN201982326U 一种多级涡轮风机 A multi-stage turbo fan |
| 09/21/2011 | CN201982325U 一种卤水浓缩蒸发系统用压缩装置 One kind of concentrated brine evaporation system with a compression device |
| 09/21/2011 | CN102197226A Diagonal fan |
| 09/21/2011 | CN102192162A Compression device for the stator unit of a pump |
| 09/21/2011 | CN102192161A Centrifugal multiblade fan |
| 09/15/2011 | WO2010109149A3 Apparatus and method for separating air by cryogenic distillation |
| 09/14/2011 | EP2365224A1 Radial conveyor for suction hoods |
| 09/14/2011 | CN102187100A Molding machine for following-through fan, blower and blade wheel |
| 09/14/2011 | CN102182696A Centripetal pressurizing heat-generating ventilation compressor |
| 09/14/2011 | CN101846087B Centrifugal fan and closed motor with same |
| 09/14/2011 | CN101504006B Turbo compressor and refrigerator |
| 08/31/2011 | CN201953674U 微型真空液压泵 Miniature vacuum pump |
| 08/31/2011 | CN201953673U 水环式真空泵的节水装置 Water ring vacuum pump water-saving devices |