| 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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| 12/29/2010 | CN201687737U Efficient energy-saving liquid ring vacuum pump |
| 12/29/2010 | CN201687736U Cross flow fan and air conditioner with same |
| 12/29/2010 | CN101929712A Annular mobile air conditioner |
| 12/29/2010 | CN101929470A Multistage compressor installation |
| 12/28/2010 | US7857577 System and method of pumping while reducing secondary flow effects |
| 12/25/2010 | CA2707226A1 Supersonic compressor comprising radial flow path |
| 12/22/2010 | EP2263009A2 Multi-stage compressor |
| 12/22/2010 | EP1751431B1 Fan for air conditioner |
| 12/22/2010 | CN201679737U Cross-flow fan |
| 12/22/2010 | CN101922459A Electric composite multi-stage centrifugal compressor device |
| 12/22/2010 | CN101922458A Centrifugal fan for cooling medium and large motors |
| 12/22/2010 | CN101922457A Eddy-current booster fan |
| 12/15/2010 | CN201671886U Fan casing and fan |
| 12/15/2010 | CN101915244A Through-flow fan of noise-reduction and air-enlargement volute tongue with convex table |
| 12/09/2010 | WO2010139030A2 Diagonal ventilator |
| 12/08/2010 | EP2258948A2 Improved refrigerant compressor |
| 12/08/2010 | EP2257154A1 Tower fan |
| 12/08/2010 | CN101907099A Marine explosion-proof centrifugal fan |
| 12/08/2010 | CN101410623B Compressor unit |
| 12/01/2010 | CN101900135A 离心风扇 Centrifugal fan |
| 12/01/2010 | CN101634305B Rotary diffusing wall type adjustable compressor device |
| 11/25/2010 | WO2010135091A2 Compressor of an exhaust-gas turbocharger |
| 11/25/2010 | WO2010133868A1 Regenerative vacuum pump with axial thrust balancing means |
| 11/24/2010 | EP2253851A2 Vacuum pump |
| 11/24/2010 | EP2252796A1 Ring wing-type actinic fluid drive |
| 11/24/2010 | CN201650786U Mechanical secondary steam circulating compressor |
| 11/24/2010 | CN201650785U Energy-saving cotton suction fan |
| 11/24/2010 | CN1877129B Centrifugal fan |
| 11/24/2010 | CN101892994A Compressor for a turbocharger and turbocharger equipped with the compressor |
| 11/18/2010 | US20100290894 Blower fan unit |
| 11/17/2010 | EP2250376A1 Turbo engine with improved compensating piston gasket |
| 11/17/2010 | CN201636081U Backward-tilting type volute-free centrifugal fan |
| 11/17/2010 | CN201636071U Cross flow fan for preventing impellers from moving left and right |
| 11/17/2010 | CN201636070U Cross-flow fan structure preventing impeller from shifting left and right |
| 11/17/2010 | CN201636069U Cross-flow fan with multiple bulge loops on motor shaft |
| 11/17/2010 | CN201636036U Intelligent direct current brushless motor |
| 11/17/2010 | CN101889144A Air exhaust device |
| 11/16/2010 | US7832984 Housing for a centrifugal fan, pump, or turbine |
| 11/11/2010 | WO2010129274A2 Turbocompressor and system for a supercritical-fluid cycle |
| 11/11/2010 | WO2010129214A2 Boltless multi-part diaphragm for use with a centrifugal compressor |
| 11/11/2010 | WO2009074834A8 Ring wing-type actinic fluid drive |
| 11/10/2010 | CN201627733U Centrifugal fan |
| 11/03/2010 | EP2245098A1 Ventilator wheel or fan wheel with antibacterial coating |
| 11/03/2010 | CN101435428B High and low pressure operation double-mode double-cylinder centrifugal type oxygen pressure machine |
| 11/03/2010 | CN101111683B Multi-stage compressor and housing therefor |
| 11/03/2010 | CN101105186B Improved cutoff for fan or blower |
| 10/27/2010 | CN101251125B Corrosion resistant water ring vacuum pump |
| 10/20/2010 | CN201610851U 两级水环真空泵 Two water ring vacuum pump |
| 10/20/2010 | CN201610850U 一种漆包机用的鼓风机 One kind of paint charter with blower |
| 10/20/2010 | CN101865146A Radial fan |
| 10/20/2010 | CN101865145A Electric blower, electric dust collector carrying the same and manufacturing method thereof |
| 10/20/2010 | CN101865144A Single-stage double-inhalation high-speed desulfuration centrifugal blower |
| 10/20/2010 | CN101862156A Electric blower and electric dust collector including the same |
| 10/19/2010 | US7815419 Impeller for blower and air conditioner having the same |
| 10/14/2010 | WO2010115420A1 Compressor arrangement |
| 10/13/2010 | CN201606273U 双头单机水环真空泵 Single-headed water ring vacuum pump |
| 10/13/2010 | CN201606272U 螺旋压缩机 Screw compressor |
| 10/06/2010 | EP2235378A1 A fluid-mechanical machine, in particular a centrifugal fan |
| 10/06/2010 | CN101850147A Multiple stage blower and enclosure therefor |
| 09/30/2010 | WO2010111357A2 High-flow-capacity centrifugal hydrogen gas compression systems, methods and components therefor |
| 09/30/2010 | WO2010109149A2 Apparatus and method for separating air by cryogenic distillation |
| 09/30/2010 | WO2010084422A3 Reversible system for injecting and extracting gas for fluid rotary machines |
| 09/29/2010 | CN101846088A Machine room centrifugal blower with guiding device |
| 09/29/2010 | CN101846087A Centrifugal fan and closed motor with same |
| 09/23/2010 | US20100239437 Fluid channeling device for back-to-back compressors |
| 09/22/2010 | CN201588793U Water ring vacuum pump with movable sleeve |
| 09/22/2010 | CN101842599A Control system |
| 09/22/2010 | CN101839245A Self-circulation environmental-friendly liquid-ring vacuum pump |
| 09/16/2010 | WO2010104083A1 Crossflow fan and air conditioner provided with same |
| 09/15/2010 | CN201582198U Centrifugal fan used for airflow spinning machine process |
| 09/15/2010 | CN201582150U Centrifugal multi-stage high-pressure blower of grain elevator |
| 09/15/2010 | CN201582149U Special air pump for controllable air cushion on working tabletop of paper cutting machine |
| 09/15/2010 | CN101832299A Guide vane and blower device using same |
| 09/09/2010 | US20100226801 Fan assembly |
| 09/09/2010 | US20100226753 Fan assembly |
| 09/09/2010 | US20100226752 Fan assembly |
| 09/09/2010 | US20100226751 Fan assembly |
| 09/09/2010 | US20100226750 Fan assembly |
| 09/08/2010 | CN1632324B Inflatable device with recessed fluid controller and modified adjustment device |
| 09/08/2010 | CN101828039A Pressure vessel having a lid |
| 09/02/2010 | US20100221130 Blood pump apparatus |
| 09/01/2010 | EP2222960A1 Blower arrangement for turbo machines |
| 09/01/2010 | CN201568325U Constant flow forward-type centrifugal fan |
| 09/01/2010 | CN101818750A Centrifugal fan and fan frame thereof |
| 09/01/2010 | CN101818740A High full-voltage large-flow centrifugal blower with slant-wheel disk front-bent impeller |
| 09/01/2010 | CN101818739A Blowing fan |
| 09/01/2010 | CN101405506B Multi-blade fan |
| 08/26/2010 | WO2010095507A1 Gear-driven turbocompressor |
| 08/26/2010 | US20100215513 Vacuum pumping system, driving method thereof, apparatus having the same, and method of transferring substrate using the same |
| 08/26/2010 | US20100215475 Vacuum Pump |
| 08/25/2010 | EP2221486A2 Impeller for fans |
| 08/25/2010 | CN201560962U Cross-flow type cooling blower |
| 08/25/2010 | CN1938521B Fan for air conditioner |
| 08/24/2010 | CA2563027C Improved air control system for an air bed |
| 08/18/2010 | EP2218916A1 Centrifugal fan |
| 08/18/2010 | CN201554665U Water-ring vacuum pump |
| 08/18/2010 | CN201554664U Fan cooling device for stage lighting control device |
| 08/18/2010 | CN1707123B Turbo-machine with radial through-flow compressor rotor |
| 08/18/2010 | CN101806309A Centrifugal fan |
| 08/11/2010 | EP2215365A1 Control system |