Patents
Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127)
06/2003
06/12/2003US20030108442 Fan blower assembly with one-piece air diffuser and bayonet-style end cap
06/12/2003US20030108441 Gases mixing apparatus
06/11/2003EP1318311A2 Battery operated device
06/11/2003EP1318307A1 Double-ended blower and volutes therefor
06/11/2003EP1317942A1 Gases mixing apparatus
06/11/2003EP1317628A1 Rotor and bearing system for electrically assisted turbocharger
06/11/2003EP1018204B1 Blower wheel with axial air inlet for ventilation
06/11/2003CN1423058A Energy-saving long-life electric fan and its manufacture method
06/11/2003CN1423038A Motor-aid turbine supercharging system for IC engine
06/11/2003CN1111256C Integral pump
06/10/2003US6575713 Vaccum pump
06/05/2003WO2003046385A1 Centrifugal turbine for breathing-aid devices
06/05/2003US20030102021 Fan assembly for an umbrella
06/04/2003CN2554403Y Scavenger fan
06/04/2003CN2554402Y Fan drive device
06/03/2003US6572346 Cooling fan
06/03/2003US6572333 Air blower
05/2003
05/30/2003WO2003044364A1 Blower units
05/30/2003CA2506072A1 Blower units
05/29/2003US20030099561 Equipment fan
05/29/2003US20030099545 Fan blade assembly and method of assembling
05/29/2003US20030099543 Fan for a turbofan gas turbine engine
05/29/2003CA2413060A1 Fan blade assembly and method of assembling
05/28/2003EP1314894A2 Fan
05/28/2003EP1313952A1 Adjustable impingement dual blower apparatus
05/28/2003CN2553148Y 外极式风扇 Fans outside pole
05/28/2003CN1420286A 吊扇 Ceiling fan
05/28/2003CN1420283A Electric oscillating fan
05/27/2003US6570276 Ventilation device and rail traction electric motor equipped with such a device
05/22/2003WO2003042545A1 High-pressure fan
05/22/2003WO2003042544A1 Governor device for actuation of fan shutters
05/22/2003US20030095880 Ceiling fan
05/22/2003DE20304544U1 Air pump comprises has casing with slip-free support with high coefficient of friction, and with number of protruding points formed on surface of support
05/21/2003EP1312805A1 Ceiling fan
05/21/2003EP1311315A1 Dual-pressure blower for positive air pressure device
05/21/2003CN2551789Y Stable revolution multi-rotor ceiling fan structure
05/21/2003CN2551788Y Perfuming fan
05/21/2003CN2551787Y Fan without casing
05/21/2003CN1418545A Mosquito expelling electric fan made up of bamboo, and its mfg. method
05/20/2003USRE38120 Ceiling fan outlet box
05/20/2003US6565326 Heat-dissipating fan structure
05/16/2003CA2411489A1 Ceiling fan
05/15/2003WO2003040567A1 Two stage electrically powered compressor
05/15/2003US20030091435 Housing structure of a fan
05/15/2003US20030091433 Airflow flapper valve
05/14/2003EP1310677A2 Supercharger
05/14/2003EP1309778A1 Compressor starting torque converter
05/14/2003CN1417480A Power transterring reinforcer for oscillating-angle regulating gear box
05/14/2003CN1108501C Centrifugal compressor set for 5 or 8 KW refrigerating system
05/13/2003US6561762 Housing structure of a fan
05/13/2003US6560968 Thermoelectric cooler
05/08/2003WO2003038285A1 Motor fan system
05/08/2003WO2003038281A1 Motor fan system
05/08/2003US20030086242 Motor-fan unit particularly for a heating and/or air conditioning apparatus for a motor vehicle
05/08/2003US20030084888 Supercharger type compressor/generator with magnetically loaded composite rotor
05/07/2003EP1308631A1 Motor fan unit
05/07/2003EP1056950B1 Sealed magnetic bearings for circulation fan
05/07/2003EP0918934B1 Getter pump especially suitable for the use upstream, in proximity and coaxially with respect to a turbomolecular pump
05/07/2003CN2549219Y Direction-adjustable palm fan
05/06/2003US6558140 Motor of air conditioning system and air conditioning system having the same
05/06/2003US6558124 Tightening device with easy alignment for securing a ceiling fan to a fitting
05/02/2003EP1306559A1 Ventilation assembly for vehicles
05/01/2003US20030082062 Multi-rotor ceiling fan device
04/2003
04/30/2003CN2547918Y 气泵 Air pump
04/29/2003US6553584 Spa cooling fan
04/24/2003WO2003033761A2 Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor
04/23/2003EP1303704A1 Compressor wheel with prestressed hub and interference fit insert
04/23/2003EP1303683A1 Variable nozzle turbocharger with sheet metal shroud
04/23/2003CN2546665Y Electric fan
04/23/2003CN2546664Y Standing column fan
04/22/2003US6552457 Support structure for drive source
04/22/2003US6551074 Centrifugal fan with waterproof structure
04/22/2003US6550596 Externally controlled fan coupling device
04/22/2003US6550256 Alternative backing up pump for turbomolecular pumps
04/17/2003WO2003031823A1 Axially discharging friction vacuum pump
04/17/2003WO2003031815A2 Downhole well pump
04/17/2003WO2003016668A3 Cooling fan, in particular for motor vehicles
04/17/2003CA2462609A1 Downhole well pump
04/16/2003EP1302668A1 Compressor
04/16/2003EP1301748A2 A ventilating device
04/16/2003EP0941431B1 Pressure balanced turbocharger rotating seal
04/16/2003CN2545411Y Shell fixing mechanism of ceiling fan
04/16/2003CN2545402Y Ceiling fan oscillating mechanism
04/16/2003CN1410681A 电风扇 Fan
04/16/2003CN1410679A Fan head oscillating angle regulator
04/15/2003US6548929 Eddy current fan drive
04/15/2003US6547540 Supercharging structure for a fan
04/10/2003WO2002097338A3 Ventilation method and device
04/10/2003US20030068240 Cooling fan dust guard
04/10/2003US20030068237 Cooling fan dust seal
04/10/2003US20030068230 Gear driven compressor with vent compressor
04/10/2003US20030068228 Electric fan capable to rotate for 360 degrees
04/10/2003US20030067779 Adjustable hanger support for ceiling fan assembly
04/10/2003DE20218816U1 Heat extraction fan e.g. for computer electronics, has opening in base of cylindrical housing for connection to heat sink
04/09/2003EP1299898A1 Particle radiation device comprising a particle source that is operated in an ultrahigh vacuum and a cascade pump assembly for a particle radiation device of this type
04/09/2003EP1135610A4 Fluid pumps
04/09/2003CN2544122Y Blade angle changeable radiation fan
04/09/2003CN1409465A Motor and electric brush holder
04/09/2003CN1409016A Energy saving centrifugal ventilator
04/08/2003US6544010 Axial flow fan with brushless direct current motor