| 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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| 05/04/2011 | CN101149057B Multiple motor blower and its impeller |
| 04/28/2011 | WO2011017783A3 High-pressure multistage centrifugal compressor |
| 04/27/2011 | EP2314876A2 Turbo machinery |
| 04/21/2011 | WO2011044892A1 Underwater compressor arrangement and underwater process fluid conveying arrangement equipped therewith |
| 04/21/2011 | WO2011005455A3 Turbocharger with two-stage compressor, including a twin-wheel parallel-flow first stage |
| 04/21/2011 | WO2010129214A3 Boltless multi-part diaphragm for use with a centrifugal compressor |
| 04/20/2011 | EP2310686A1 Vacuum pump |
| 04/20/2011 | EP2310632A1 Use of a rolling-element bearing for bearing rotating components in vacuum devices and vacuum device |
| 04/20/2011 | EP1999375B1 Compressor unit |
| 04/20/2011 | CN201802646U Dedusting centrifugal blower for converter |
| 04/20/2011 | CN102022350A Blower fan |
| 04/20/2011 | CN102022349A Blowing fan and blower using the same |
| 04/13/2011 | CN102016323A Arrangement with an electric motor and a pump |
| 04/13/2011 | CN102011738A Centrifugal fan |
| 04/12/2011 | US7922467 System for protecting bearings and seals of a refrigerant compressor |
| 04/07/2011 | WO2011038884A1 Cross-flow fan |
| 04/06/2011 | CN201786759U Cross flow fan mounting structure |
| 04/06/2011 | CN201786689U High pressure nitrogen circulating fan |
| 03/31/2011 | WO2011036848A1 Through-flow fan, air blower, and air conditioner |
| 03/31/2011 | WO2010135091A3 Compressor of an exhaust-gas turbocharger |
| 03/31/2011 | DE102009044959A1 Multi-stage turbo-compressor i.e. eight to ten stage turbo-compressor, for use as radial transmission compressor, has compressor stages sealed using sealing arrangement against fluid entry to pinion sections of shafts that support wheel |
| 03/30/2011 | CN101999044A Cross flow fan and air conditioner equipped with same |
| 03/30/2011 | CN101999043A Cross flow fan and air conditioner equipped with same |
| 03/30/2011 | CN101994711A Centrifugal compressor and refrigerating device |
| 03/30/2011 | CN101994710A Low-compression ratio centrifugal compressor and air conditioning unit using same |
| 03/30/2011 | CN101994709A New process for preparing single-suction wear-resistant anti-corrosion gas-blowing engine |
| 03/30/2011 | CN101994708A Airflow generating device and radiating device |
| 03/30/2011 | CN101994707A Airflow generation device |
| 03/30/2011 | CN101523055B Improvements in compressors units |
| 03/24/2011 | WO2011033800A1 Centrifugal compressor |
| 03/24/2011 | WO2011032549A1 Axial-radial turbomachine |
| 03/24/2011 | US20110067845 Fan shroud assembly |
| 03/23/2011 | EP1216359B1 Centrifugal pump |
| 03/23/2011 | CN201771808U Vacuum pump |
| 03/23/2011 | CN201771807U Water ring vacuum pump |
| 03/23/2011 | CN201771806U Vortex booster fan |
| 03/23/2011 | CN201771805U Cooling fan specialized for large-power wind power generation pitch motor |
| 03/23/2011 | CN201771804U External double-fan blade air pump |
| 03/17/2011 | WO2011030751A1 Crossflow fan, molding die, and fluid feeding device |
| 03/17/2011 | WO2011030749A1 Cross-flow fan, molding die, and fluid feed device |
| 03/16/2011 | EP2295811A1 High-pressure compression unit for process fluids for industrial plant and a related method of operation |
| 03/16/2011 | CN201763630U High-efficient energy-saving air compressor |
| 03/16/2011 | CN201763629U Coal gas centrifugal blower with welding case |
| 03/16/2011 | CN201763628U Cross-flow fan structure |
| 03/10/2011 | WO2011027519A1 Electric air blower and electric cleaner utilizing same |
| 03/09/2011 | CN201757065U Electric combined multistage centrifugal air compressor device |
| 03/03/2011 | WO2011023690A2 Compressor |
| 03/03/2011 | WO2011022898A1 Inflatable and deflatable air pump |
| 03/03/2011 | WO2010129274A3 Turbocompressor and system for a supercritical-fluid cycle |
| 03/03/2011 | US20110052380 Sectored distributor for turbomachine |
| 03/02/2011 | EP2290241A1 Turbocompressor assembly with a cooling system |
| 03/02/2011 | EP2288812A1 Multi-stage vacuum pump |
| 03/02/2011 | EP2288786A2 Gas compression system |
| 03/02/2011 | CN101410624B 压缩机单元 Compressor unit |
| 03/02/2011 | CN101377205B Fan for conveying media |
| 02/23/2011 | EP2287471A1 Blower apparatus of the CPAP/NIPPV type |
| 02/17/2011 | WO2011018005A1 Centrifugal compressor having lower compression ratio and air conditioning unit using the same |
| 02/17/2011 | WO2011017857A1 Rotating diffuser wall type adjustable air compressor apparatus |
| 02/16/2011 | EP2284400A1 Turbo-molecular pump |
| 02/16/2011 | CN101975175A Coaxial centrifugal compressor with intercooler |
| 02/10/2011 | US20110033307 Cross-flow fan and air conditioner equipped with same |
| 02/10/2011 | US20110033306 Cross-flow fan and air conditioner equipped with same |
| 02/09/2011 | CN101970882A Turbo engine with improved compensating piston gasket |
| 02/09/2011 | CN101969763A Electric fan of the tower type |
| 02/03/2011 | WO2011011989A1 Blower |
| 02/02/2011 | EP2280176A1 Cross flow fan and air conditioner equipped with same |
| 02/02/2011 | EP2280175A1 Cross flow fan and air conditioner equipped with same |
| 01/26/2011 | EP2276932A2 Air exhaust device |
| 01/26/2011 | CN201723464U Water-suction fan for water-jet loom |
| 01/26/2011 | CN201723463U High-total-pressure large-flow-rate inclined-wheel-disc forwards-bending-impeller centrifugal ventilator |
| 01/26/2011 | CN201723462U Cross flow blower of overhead evaporator of vehicle air conditioner |
| 01/26/2011 | CN1991182B Turbo compressor |
| 01/26/2011 | CN101571137B Temperature control cooling-heating ventilator |
| 01/26/2011 | CN101379298B Compressor unit |
| 01/26/2011 | CN101196197B Air blower |
| 01/20/2011 | WO2011006736A1 Turbocompressor assembly with a cooling system |
| 01/19/2011 | EP2275686A1 Turbocompressor assembly |
| 01/19/2011 | CN201714690U Air blower |
| 01/19/2011 | CN201714689U Machine room centrifugal blower with flow guide device |
| 01/19/2011 | CN201714688U Novel fan for 268-type universal generator |
| 01/19/2011 | CN1912395B Middle-speed high-pressure multi-stage centrifugal blowing machine |
| 01/19/2011 | CN101952601A Centrifugal compressor assembly and method |
| 01/13/2011 | WO2011005455A2 Turbocharger with two-stage compressor, including a twin-wheel parallel-flow first stage |
| 01/13/2011 | WO2010111357A3 High-flow-capacity centrifugal hydrogen gas compression systems, methods and components therefor |
| 01/13/2011 | US20110008186 High-pressure compression unit for process fluids for industrial plant and a related method of operation |
| 01/13/2011 | DE102009032601A1 Cooling unit for internal-combustion engine of motor vehicle, has circularly formed cooler enclosing fan assembly that is designed as cross-flow blower in sections of circumferential and/or axial directions |
| 01/12/2011 | CN201705688U Self-circulation environment-friendly liquid ring vacuum pump |
| 01/12/2011 | CN201705687U Novel centrifugal fan |
| 01/12/2011 | CN201705686U Air outlet structure of cross flow fan |
| 01/12/2011 | CN101946091A Centrifugal compressor assembly and method |
| 01/12/2011 | CN101945957A Ventilator wheel or fan wheel with antibacterial coating |
| 01/12/2011 | CN101943171A Indoor fan structure of integral air conditioner |
| 01/11/2011 | US7866940 Vacuum pump |
| 01/11/2011 | US7866341 Vacuum pumping system, driving method thereof, apparatus having the same, and method of transferring substrate using the same |
| 01/11/2011 | CA2468465C Centrifugal turbine for breathing-aid devices |
| 01/05/2011 | CN201696311U Centrifugal compressor with variable inlet guide vane and rotatable vane diffuser |
| 01/05/2011 | CN201696310U Sucking device |
| 01/05/2011 | CN201696309U High speed air centrifugal blower used for coal chemical industry |
| 01/05/2011 | CN101936295A Centrifugal fan of high-power high-speed motor |
| 12/30/2010 | US20100332067 Robotic Vacuum Cleaner |