| 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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| 08/12/2009 | CN201288670Y Internal rotation constant pressure pump |
| 08/12/2009 | CN101506530A Double suction type centrifugal fan |
| 08/12/2009 | CN101504015A Turbo compressor and refrigerator |
| 08/12/2009 | CN101504011A Inlet guide vane, compressor and refrigerator |
| 08/12/2009 | CN101504010A Inlet guide vane, turbo compressor, and refrigerator |
| 08/12/2009 | CN101504009A Turbo compressor and refrigerator |
| 08/12/2009 | CN101504006A Turbo compressor and refrigerator |
| 08/12/2009 | CN101504004A Turbo compressor and refrigerator |
| 08/12/2009 | CN101504003A Turbo compressor and turbo refrigerator |
| 08/12/2009 | CN101504002A Turbo compressor and refrigerator |
| 08/06/2009 | WO2009056987A3 Multi-stage compressor |
| 08/05/2009 | EP2085106A1 Respiratory apparatus |
| 08/05/2009 | CN201284754Y Tooth type centrifugal compressor |
| 08/05/2009 | CN101501342A Pump apparatus for semiconductor processing |
| 08/05/2009 | CN101498312A Double impeller ventilating apparatus with rubber pipe wind pipe |
| 07/29/2009 | EP2083172A1 Multi-body compressor train |
| 07/29/2009 | CN101495759A 真空泵 Vacuum pump |
| 07/29/2009 | CN100520503C Vacuum pumping system, driving method thereof, apparatus having the same, and method of transferring substrate by using the system |
| 07/22/2009 | CN201277182Y Cross flow fan for elevator |
| 07/22/2009 | CN101487474A 鼓风机 Blowers |
| 07/22/2009 | CN100516670C Air conditioner |
| 07/22/2009 | CN100516533C Fluid conveying equipment |
| 07/15/2009 | CN201273290Y Inflation pump |
| 07/15/2009 | CN100513797C Centrifugal fan and structure of stator thereof |
| 07/08/2009 | EP1891332B1 Vacuum pump |
| 07/01/2009 | EP2074327A1 Vibration isolator |
| 06/25/2009 | WO2009077455A1 A fluid-mechanical machine, in particular a centrifugal fan |
| 06/24/2009 | EP2072830A2 Centrifugal impeller with internal heating |
| 06/18/2009 | WO2009074834A1 Ring wing-type actinic fluid drive |
| 06/18/2009 | WO2009056821A3 Gas compressor |
| 06/18/2009 | US20090155060 Integrated Fan with Pump and Heat Exchanger Cooling Capability |
| 06/17/2009 | EP2069639A2 Vacuum pumps with improved pumping channel cross sections |
| 06/17/2009 | EP1390618A4 Multi-stage centrifugal compressor driven by integral high speed motor |
| 06/11/2009 | WO2009072160A2 High-energy efficiency plant for automotive methane compression |
| 06/11/2009 | WO2009071910A1 Liquid cooled turbocharger impeller and method for cooling an impeller |
| 06/10/2009 | EP2067999A1 Liquid cooled turbocharger impeller and method for cooling an impeller |
| 06/10/2009 | CN101450237A Double-ended blower and volutes therefor |
| 06/10/2009 | CN100497949C High voltage little flow rate chlorine compressor |
| 06/04/2009 | US20090142191 Fan Comprising A Fan Wheel |
| 06/03/2009 | EP2064449A1 Molecular drag pumping mechanism |
| 06/03/2009 | EP2064448A1 Vacuum pump |
| 05/28/2009 | WO2009066323A2 Tangential flow rotor assembly embodiments |
| 05/28/2009 | WO2009065394A1 Blower arrangement for turbo machines |
| 05/27/2009 | CN201246314Y Direct connecting type high speed centrifugal air blower |
| 05/27/2009 | CN100491744C Blower |
| 05/27/2009 | CN100491743C Compressor |
| 05/27/2009 | CN100491740C High temperature gas cooled reactor centrifugal type helium gas compressor of pebble bed |
| 05/26/2009 | CA2342033C Method and apparatus for increasing the efficiency of a multi-stage compressor |
| 05/22/2009 | WO2009062583A1 Two-stage air compressor |
| 05/21/2009 | US20090126363 High Response Compact Turbocharger |
| 05/20/2009 | EP2060794A2 Vacuum pump with lubricant pump |
| 05/20/2009 | EP2060793A2 Vacuum pump |
| 05/20/2009 | EP2059682A1 Vacuum pump |
| 05/20/2009 | EP2059681A1 Vacuum pumps with improved pumping channel configurations |
| 05/20/2009 | CN101438062A 涡轮增压器 Turbocharger |
| 05/20/2009 | CN101435437A Centrifugal pump body |
| 05/20/2009 | CN101435428A High and low pressure operation double-mode double-cylinder centrifugal type oxygen pressure machine |
| 05/20/2009 | CN101435427A Side blowing type fan |
| 05/20/2009 | CN100489316C Centrifugal fan and vacuum cleaner having the centrifugal fan |
| 05/20/2009 | CN100489313C 横流风扇 Cross-flow fan |
| 05/19/2009 | CA2420709C Mixed flow and centrifugal compressor for gas turbine engine |
| 05/13/2009 | EP2057378A1 Improvements in compressors units |
| 05/13/2009 | CN201236849Y Sulfur-ammonia crystallization vacuum acquiring system |
| 05/07/2009 | WO2009058975A1 Control system |
| 05/07/2009 | WO2009056821A2 Gas compressor |
| 05/07/2009 | WO2009056288A2 Stabilized statins |
| 05/06/2009 | CN100485195C Blower and design method of discharge port thereof |
| 05/06/2009 | CN100485193C 送风机 Blower |
| 04/30/2009 | WO2009053155A1 Pressure vessel having a lid |
| 04/30/2009 | WO2007044260A3 Pump apparatus for semiconductor processing |
| 04/29/2009 | EP2053250A2 Turbo-molecular pump |
| 04/29/2009 | EP2053249A2 Assembly with vacuum pump and method |
| 04/29/2009 | CN201228661Y Blower fan |
| 04/29/2009 | CN101418804A Single-stage turbine vacuum machine and multi-stage vacuum pumping method using the same |
| 04/29/2009 | CN101418803A Single-stage turbine vacuum machine and pumping method using the same |
| 04/22/2009 | EP2050968A1 Pressure container with a cover |
| 04/22/2009 | EP2003340A9 Multi-blade fan |
| 04/22/2009 | EP1311315B1 Dual-pressure blower for positive air pressure device |
| 04/22/2009 | CN201225338Y Centrifugal blower |
| 04/22/2009 | CN201225322Y Anti-corrosive centrifugal fan |
| 04/22/2009 | CN201225296Y Water ring vacuum pump capable of improving condensing steam turbine efficiency |
| 04/22/2009 | CN100480516C Centrifugal fan |
| 04/16/2009 | WO2009046700A1 Method for increasing the pressure for various working fluids |
| 04/16/2009 | DE102007048778A1 Verfahren zur Druckerhöhung für diverse Arbeitsfluids Method for increasing the pressure for various working fluid |
| 04/15/2009 | CN101410625A Method for operating a compressor unit and associated compressor unit |
| 04/15/2009 | CN101410624A 压缩机单元 Compressor unit |
| 04/15/2009 | CN101410623A Compressor unit |
| 04/15/2009 | CN101408196A Blower |
| 04/15/2009 | CN100478571C Cantilever type high rate turbine vacuum pump and its evacuation method |
| 04/14/2009 | US7517185 Air conditioner |
| 04/08/2009 | EP1853825B1 Turbocharger having compressor with ported second-stage shroud |
| 04/08/2009 | CN101405506A Multi-blade fan |
| 04/07/2009 | US7513735 Multistage centrifugal compressor having a tank which can be opened horizontally |
| 04/07/2009 | CA2395211C Viscous drag impeller components incorporated into pumps, turbines and transmissions |
| 04/02/2009 | WO2009041844A1 Fan unit with a free radial fan impeller |
| 04/02/2009 | WO2009041460A1 Compressor |
| 04/01/2009 | CN201215916Y Radial motor fan and ground brush motor of wax-polishing machine using the fan |
| 04/01/2009 | CN201215915Y Radial motor fan and ground brush motor of wax-polishing machine using the fan |
| 04/01/2009 | CN201215096Y Compressor device of turbo-charger for compressing burning mixture |
| 03/31/2009 | US7510373 Multistage centrifugal compressor |