Patents
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)
10/2008
10/21/2008US7437877 Compressor having low-pressure and high-pressure compressor operating at optimum ratio between pressure ratios thereof and gas turbine engine adopting the same
10/16/2008WO2008123208A1 Sirocco fan and air conditioner
10/16/2008DE112006003397T5 Brennstoffzellenverdichtersystem Fuel cell compressor system
10/15/2008EP1979622A1 Compressor unit
10/15/2008CN201133359Y Electric dual-purpose pump for air suction and aeration
10/15/2008CN100426188C Bidirectional blower for cooling computer and electronic system
10/14/2008US7435051 Multi-stage blower
10/08/2008CN201129310Y Pipe centrifugal ventilation machine
10/01/2008EP1319131B1 Compound friction vacuum pump
10/01/2008CN101275583A Abradable and anti-encrustation coating for rotating fluid machines
10/01/2008CN101275573A Centrifugal air blower
09/2008
09/25/2008DE19503521B4 Lüfter mit einem Lüfterrad Fan with a fan
09/24/2008CN201121598Y Transverse flow type cooling draught fan for dry-type transformer
09/24/2008CN101273203A Impeller of multiblade blower and method of manufacturing the same
09/18/2008US20080226472 Air Blower
09/18/2008US20080226447 Removable Impeller for Fan
09/17/2008CN101265917A Gear drive turbine compressor
09/12/2008WO2008109037A1 Low camber microfan
09/12/2008WO2008109036A1 High efficiency cooling fan
09/12/2008WO2008107554A2 Method and device for creating at least two key images corresponding to a three-dimensional object
09/10/2008EP1966492A2 Fluid transfer controllers having a rotor assembly with multiple sets of rotor blades arranged in proximity and about the same hub component and further having barrier components configured to form passages for routing fluid through the multiple sets of rotor blades
09/10/2008CN201113674Y Sewing machines drive and wind suction common type motor structure
09/10/2008CN100417818C Centrifugal compressor for turbine refrigerator, turbine refrigerator and control method thereof
09/03/2008EP1478855B1 A centrifugal compressor
08/2008
08/27/2008EP1960632A2 End closure device for a turbomachine casing
08/27/2008CN101251129A Turbosupercharger air compressor with silencing function
08/27/2008CN101251125A Corrosion resistant water ring vacuum pump
08/27/2008CN100414115C Air charging systems
08/26/2008US7416385 Housing for a centrifugal fan, pump, or turbine
08/21/2008WO2008099119A1 Air conditioning apparatus equipped with a compressor and a vortex
08/21/2008US20080199300 Means to reduce secondary flow in a centrifugal pump
08/13/2008CN201100245Y A radial acentric ventilator for engine traction motor
08/13/2008CN100410547C Centrifugal fan
08/13/2008CN100410545C Aerating and exhaust device
08/13/2008CN100410544C Air-blast fan
08/13/2008CN100410543C Novel high-efficiency pipeline exhauster
08/07/2008WO2008092235A1 Impeller for a wearable positive airway pressure device
08/07/2008US20080187439 Blower assembly with pre-swirler
08/07/2008CA2676788A1 Impeller for a wearable positive airway pressure device
08/06/2008EP1321721B1 Air conditioner
08/06/2008CN100408866C Rounded blower housing with increased airflow
07/2008
07/31/2008WO2008076421A3 Device and method for opening an airway
07/31/2008WO2008076421A2 Device and method for opening an airway
07/31/2008US20080181764 Air Conditioner
07/30/2008CN101233324A Cross-flow fan made of resin and method of manufacturing the same
07/23/2008CN201090466Y Equipment for air blasting and evacuating
07/23/2008CN201090465Y Automatic stopping type motor pump
07/23/2008CN201090464Y Blast blower for inflation agitating type flotation machine
07/23/2008CN201090463Y Improved air pump construction for inflatable mat
07/23/2008CN201090462Y Enclosed high energy head model level
07/23/2008CN201090461Y Blast blower
07/23/2008CN101225824A Electric air pump for filling and discharging gas of aerated bed as well as aerated bed thereof
07/17/2008WO2008083787A1 Radial fan and a high-pressure cleaning device having a radial fan
07/16/2008EP1690009B8 Multistage centrifugal compressor and method for assembly the same
07/16/2008CN101220819A Centrifugal compressor
07/09/2008EP1942280A2 Compressor unit comprising a centrifugical compressor and an electric motor
07/09/2008EP1940496A1 Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor
07/09/2008EP1940495A1 Blower motor with flexible support sleeve
07/09/2008EP1392981B1 Compressor unit comprising a centrifugal compressor and an electric motor
07/09/2008CN101218435A Radial compressor
07/09/2008CN100400891C Pump made of waste tire
07/03/2008DE102006061756A1 Radial blower i.e. HG-blower, for high-pressure cleaning device, has circumferential wall region curved from outlet wall region in S-shape, and outlet region extended in flow direction to diffuser in cross sections
07/02/2008EP1939455A1 Impeller of multiblade blower and method of manufacturing the same
07/02/2008CN101210574A Centrifugal compressor rotor mechanism
06/2008
06/26/2008WO2008027388B1 Vacuum pumps with improved pumping channel cross sections
06/26/2008CA2672688A1 Device and method for opening an airway
06/25/2008CN201078340Y Single suction two-stage double bracing apparatus of cupola centrifugal blower
06/19/2008WO2008071388A1 Suction device for dental, medical and industrial purposes
06/18/2008EP1933037A2 Vacuum pump mounting system
06/18/2008CN201074599Y Low noise water-ring vacuum pump
06/18/2008CN101201056A Centrifugal fan with built-in purifying means
06/12/2008WO2008069142A1 Centrifugal compressor
06/12/2008US20080138219 Vacuum Pump
06/11/2008CN101196197A Air blower
06/11/2008CN100394038C 压缩机 Compressor
06/11/2008CN100394037C Multi-directional tower fan
06/04/2008CN201068872Y Improved oil fog filtrating blast engine structure
06/03/2008US7381028 Composite air handling blower housing and method of assembly
05/2008
05/28/2008CN101189436A Vacuum pump
05/28/2008CN101187379A Centrifugal fan, heat radiation device possessing the centrifugal fan and electronic device using the heat radiation device
05/22/2008WO2008060073A1 Blow off system for turbo compressor
05/22/2008US20080118341 Wide flow compressor with diffuser bypass
05/21/2008CN201062594Y Low-noise energy-saving centrifugal aerator
05/20/2008US7374399 Inline fan housing assemblies
05/14/2008EP1921321A1 Cross-flow fan made of resin and method of manufacturing the same
05/14/2008CN201059272Y Portable vacuum pump having emergency power supply
05/14/2008CN201059270Y Full decatizing machine water ring vacuum pump having water-feed compensation function
05/13/2008CA2354833C Cross-flow fan
05/02/2008WO2008050915A1 High speed type impeller
04/2008
04/30/2008EP1915536A1 Radial compressor
04/24/2008WO2008047168A1 Vibration isolator
04/24/2008DE102004028942B4 Gebläse für ein elektrisches Gerät sowie zugehöriges Baukastensystem Fan for an electrical device and associated modular system
04/23/2008CN201050491Y Built-in type electric air pump for air cushion bed
04/23/2008CN101165357A Centrifugal fan
04/23/2008CN101165356A Centrifugal fan, heat radiation device possessing the centrifugal fan and electronic device using the heat radiation device
04/23/2008CN100384034C Blower used for laser oscillator
04/22/2008CA2414934C A ventilating device and a building comprising such a ventilating device
04/17/2008WO2008027388A3 Vacuum pumps with improved pumping channel cross sections
04/16/2008EP1690009B1 Multistage centrifugal compressor and method for assembly the same
04/16/2008CN101163889A Turbocharger compressor having ported second-stage shroud, and associated method
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