| 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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| 08/31/2011 | CN101539150B Ventilator driven by single-phase electric motor |
| 08/25/2011 | WO2011102120A1 Impeller, electric air blower using same, and electric cleaner using electric air blower |
| 08/25/2011 | US20110206503 Method for the manufacture of a circular revolution thermomechanical part including a titanium-based load-bearing substrate lined with steel or superalloy, a turbomachine compressor housing which is resistant to titanium fire obtained according to this method |
| 08/24/2011 | EP2142805B1 Side channel compressor |
| 08/24/2011 | CN201943968U 一种风扇及其电子设备 One kind of fan and electronic equipment |
| 08/24/2011 | CN101691868B Bi-channel fan |
| 08/18/2011 | US20110200423 Vacuum pump |
| 08/17/2011 | CN101506530B Double suction type centrifugal fan |
| 08/16/2011 | US7999502 Pumping system |
| 08/10/2011 | EP2354558A2 Air conditioning device |
| 08/10/2011 | CN201925225U 一种带应力分散块的贯流风扇的中节散件 A tape block stress dispersion in cross-flow fan section parts |
| 08/10/2011 | CN201925183U 一种串式装配的多级离心压缩设备 A string type multistage centrifugal compression equipment assembly |
| 08/10/2011 | CN201925182U 径向力自平衡式两级液环泵 Radial force self-balanced two liquid ring pumps |
| 08/10/2011 | CN1880778B Centrifugal fan and its fan frame |
| 08/04/2011 | US20110189004 Fan inlet and method |
| 08/03/2011 | CN201916218U 一种pta装置用齿轮式空压机 One kind of device with a gear-type air compressor pta |
| 08/03/2011 | CN201916217U 改进的抽真空机 Improved vacuum machine |
| 08/03/2011 | CN201916216U 一种悬臂式单级离心鼓风机 Cantilever single-stage centrifugal blowers |
| 08/03/2011 | CN102141043A Minitype vacuum hydraulic pump |
| 07/28/2011 | DE102010006349A1 Hot gas ventilator, particularly for recirculation of high gas flow in heat treatment plants with heat transfer on heat treatment materials by highly forced convection, has rotor with two impellers for two pressure ranges |
| 07/27/2011 | CN201908850U Water circulation type vacuum pump water supply system |
| 07/27/2011 | CN102135104A Turbo compressor |
| 07/27/2011 | CN101619892B High-efficiency low-loss fast heat increasing method and high-efficiency low-loss fast heat increasing equipment |
| 07/20/2011 | EP2345814A2 Cross-flow fan and air conditioner equipped therewith |
| 07/20/2011 | CN102128172A Cross-flow fan and air conditioner equipped therewith |
| 07/20/2011 | CN101787165B Air conditioner fan material and production method thereof |
| 07/20/2011 | CN101709721B Cross flow fan installing structure |
| 07/20/2011 | CN101709719B Impeller and draught fan thereof, and waste separation crusher with same |
| 07/14/2011 | DE102008057472B4 Mehrstufiger Radial-Turboverdichter A multi-stage radial centrifugal compressor |
| 07/13/2011 | EP2057378B1 Improvements in compressors units |
| 07/13/2011 | CN201896763U Compressor |
| 07/07/2011 | WO2011079511A1 Circulation boosting and ventilating air compressor |
| 07/06/2011 | CN201891656U Median segment of cross-flow fan blade |
| 07/06/2011 | CN201891621U Water circulation vacuum system device |
| 07/06/2011 | CN201891620U High-speed centrifugal blower |
| 07/06/2011 | CN101571138B Centrifugal compressor and turbine refrigerator using the same |
| 07/06/2011 | CN101517241B Vacuum pump |
| 07/06/2011 | CN101504002B Turbo compressor and refrigerator |
| 06/30/2011 | WO2011076935A1 Downhole tool for borehole cleaning or for moving fluid in a borehole |
| 06/30/2011 | WO2011076583A1 Fan impeller and associated fan shroud, in particular for a motor vehicle |
| 06/30/2011 | CA2785588A1 Downhole tool for borehole cleaning or for moving fluid in a borehole |
| 06/29/2011 | EP2339183A1 Molding machine for following-through fan, blower and blade wheel |
| 06/29/2011 | EP2339110A1 Downhole tool for borehole cleaning or for moving fluid in a borehole |
| 06/29/2011 | CN201882322U Combined circulating water tank for keeping liquid-ring pump vacuum |
| 06/29/2011 | CN102112751A Vacuum pump |
| 06/28/2011 | US7967551 Suction filter, turbocompressor, and method for compact assembling of the same |
| 06/23/2011 | WO2011075204A1 Supersonic compressor rotor |
| 06/23/2011 | CA2784370A1 Supersonic compressor rotor |
| 06/22/2011 | CN201874849U Fan-coil unit |
| 06/22/2011 | CN201874848U Hot-air drying centrifugal blower |
| 06/22/2011 | CN201874847U Novel vortex pump |
| 06/22/2011 | CN102105653A Use of a rolling-element bearing for bearing rotating components in vacuum devices and vacuum device |
| 06/16/2011 | WO2011071846A2 Compressor performance adjustment system |
| 06/15/2011 | EP2331824A2 High-efficiency, multi-stage centrifugal pump and method of assembly |
| 06/15/2011 | CN201865931U Vacuum pump for spinning |
| 06/15/2011 | CN201865930U High-pressure large-flow smoke-gas vulcanizing centrifugal draft fan |
| 06/15/2011 | CN102094835A 螺旋压缩机 Screw compressor |
| 06/15/2011 | CN101622459B Seal device for rotary fluid machine and rotary fluid machine |
| 06/08/2011 | EP2329149A1 Diagonal fan |
| 06/08/2011 | CN201858168U Synchronous blowing and sucking type gas-ring vacuum pump |
| 06/08/2011 | CN201858167U Double-air-outlet ring spun yarn cotton suction centrifugal fan |
| 06/08/2011 | CN1869449B Blower |
| 06/08/2011 | CN102086892A Eddy current device |
| 06/08/2011 | CN101504010B Inlet guide vane, turbo compressor, and refrigerator |
| 06/01/2011 | EP2326406A1 Method and system for treatment of malodorous gases emanating from a pulp mill |
| 06/01/2011 | CN201854139U Inner fan structure for motor |
| 06/01/2011 | CN201851372U Fireplace fan with ultra-low noise |
| 06/01/2011 | CN201851371U Blowing fan and air blower using same |
| 06/01/2011 | CN1811193B Blowing device |
| 06/01/2011 | CN1782440B Cross flow fan and indoor unit of air conditioner with cross flow fan |
| 06/01/2011 | CN101526090B Turbo compressor and refrigerator |
| 06/01/2011 | CN101504011B Inlet guide vane, compressor and refrigerator |
| 06/01/2011 | CN101408196B Blower |
| 05/31/2011 | US7950227 High response compact turbocharger |
| 05/25/2011 | EP2325573A2 Building ventilation device |
| 05/25/2011 | EP2325493A2 Compact low noise efficient blower for CPAP devices |
| 05/25/2011 | EP1390618B1 Multi-stage centrifugal compressor driven by integral high speed motor |
| 05/25/2011 | CN201843796U Duct type air compressor |
| 05/25/2011 | CN201843795U High-efficient water flow fan |
| 05/25/2011 | CN102072172A Cyclone air-inlet centrifugal synchronous backward flow fan |
| 05/25/2011 | CN101225824B Electric air pump for filling and discharging gas of aerated bed as well as aerated bed thereof |
| 05/19/2011 | WO2011058129A1 Gas compression |
| 05/19/2011 | WO2011058037A1 Gas compressor assembly |
| 05/18/2011 | EP2322805A1 Gas compressor assembly |
| 05/18/2011 | EP2321535A1 Stator-rotor arrangement for a vacuum pump and vacuum pump |
| 05/18/2011 | EP2235378B1 A fluid-mechanical machine, in particular a centrifugal fan |
| 05/18/2011 | CN201836065U Coal gas blower for coke oven |
| 05/18/2011 | CN102062109A Vacuum pump |
| 05/18/2011 | CN101622458B Seal device for rotary fluid machine and rotary fluid machine |
| 05/18/2011 | CN101520684B Heat radiator for notebook computer |
| 05/12/2011 | WO2011054093A1 Centrifugal ceiling fan |
| 05/12/2011 | CA2776814A1 Centrifugal ceiling fan |
| 05/11/2011 | EP2320090A2 High vacuum pump |
| 05/11/2011 | CN201827097U High-pressure water-ring compressor |
| 05/11/2011 | CN101153615B Centrifugal fan and dust collection box module with the same |
| 05/05/2011 | WO2011052560A1 Blower |
| 05/05/2011 | WO2011023690A3 Compressor |
| 05/05/2011 | DE102009038786A1 Verdichter Compressor |
| 05/04/2011 | CN201818542U Middle segment of cross-flow fan blade |
| 05/04/2011 | CN102042237A Blower |