Patents
Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127)
03/1999
03/18/1999WO1999013283A1 Heat exchanger
03/18/1999WO1999013223A1 Motor-driven centrifugal air compressor with internal cooling airflow
03/18/1999DE19740582A1 Electric air pump for active carbon trap rinsing device
03/17/1999CN2310885Y Super thin three-D combined cooking fume exhauster
03/17/1999CN2310884Y Flying wing electric fan
03/17/1999CN2310876Y Vertical electric auto-control self-priming pump in well
03/17/1999CN1211300A Motor-generator asisted turbocharging systems for use with internal combustion engine and control systems thereof
03/16/1999US5883451 Device for supporting an electric motor driving a turbine
03/16/1999US5883449 Ceiling fan motors
03/16/1999US5881857 Hydraulic fan coupling apparatus
03/10/1999EP0789815B1 Friction-type vacuum pump with cooling system
03/10/1999CN2310189Y Brushless dc motor air extracting pump
03/10/1999CN2310188Y All-position fan
03/10/1999CN2310187Y Hand, electric two-purpose blower
03/09/1999US5879232 Exhaust fan
03/09/1999US5879141 Air fan for cooling electronic component
03/09/1999US5878990 Device for supporting an electric motor driving a turbine, notably for heating and/or air conditioning equipment of a motor vehicle
03/09/1999US5878808 Rotating heat exchanger
03/09/1999CA2153261C Improved propulsive thrust ring system
03/04/1999WO1999010972A1 Magnetic clutch system for cooling fan drive
03/04/1999CA2302238A1 Magnetic clutch system for cooling fan drive
03/03/1999EP0899858A1 Magnetic clutch system for cooling fan drive
02/1999
02/27/1999CA2211976A1 Blade duster
02/25/1999DE19736797A1 Variable speed blower driver for IC engine
02/24/1999CN2308752Y Fan able to simultaneously transfering multi-mode wind
02/24/1999CN2308751Y Ceiling fan motor device having combined vane and frame
02/23/1999US5873701 Device for connecting brackets and a motor of a ceiling fan
02/23/1999US5873284 Control for portable power tool
02/23/1999US5873164 Method for manufacturing a fan wheel
02/18/1999WO1999008363A1 Dynamo electric machines and stators for use in same
02/18/1999WO1999007999A1 Axial fan with self-cooled motor
02/18/1999CA2299721A1 Dynamo electric machines and stators for use in same
02/17/1999CN2307946Y Electric temp. controller capable of assembled by oneslef
02/17/1999CN2307944Y Rotary louver electric fan with anion generator for purifying air
02/17/1999CN1208451A Fan and motor assembly for an air conditioner
02/16/1999USRE36101 Air cycle machine with magnetic bearings
02/16/1999US5870894 Motor-assisted supercharging devices for internal combustion engines
02/11/1999DE19824342A1 Electric fan device cooling radiator
02/10/1999EP0896158A2 Compressors
02/10/1999CN2307140Y 直立式鼓风机 Vertical Blower
02/10/1999CN2307138Y Table or floor fan
02/10/1999CN2307137Y Ultrathin centrifugal electric fan
02/04/1999WO1999005770A1 Axial flux rotary micromotor and local forced-air cooling device constructed therewith
02/03/1999CN2306352Y DC fan motor structure
02/03/1999CN2306351Y Cold-hot dual-purpose electric fan
02/03/1999CN2306348Y 水风机 Water Fan
01/1999
01/28/1999WO1999004325A1 An apparatus and method for regulating a pressure in a chamber
01/28/1999WO1999004172A1 Device for fixing a motor-fan unit on a motor vehicle element, in particular a heat exchanger
01/27/1999CN2305510Y Convenient health air exchanging fan
01/27/1999CN2305509Y Remote control suspending fan with lamp
01/26/1999US5864190 Double or multiple auger suction unit for hoods, ovens and similar appliances
01/26/1999US5863188 For a turbine and compressor system
01/21/1999WO1999003176A1 Excimer laser with magnetic bearings supporting fan
01/21/1999WO1999002864A1 High pressure centrifugal compressor
01/20/1999CN2304774Y Lateral flow air exhaust
01/19/1999US5860788 Low drag fan assembly
01/13/1999CN2303959Y Divergent electric fan
01/12/1999US5857348 Compressor
01/12/1999US5857332 Bearing systems for motor-assisted turbochargers for internal combustion engines
01/07/1999WO1999000601A1 Compact blower assembly having interchangeable blower wheel assemblies
01/07/1999DE19827449A1 Ventilation unit for air purifier used in clean room for semiconductor or liquid crystal manufacture
01/07/1999DE19724332A1 Electric unit-drive e.g for ventilator
01/06/1999CN2303109Y Heat radiation fan
01/06/1999CN2303108Y Heat radiation fan
01/06/1999CN2303107Y Electric fan
01/06/1999CN2303106Y Electric rocking fan
01/06/1999CN2303105Y Air ventilation equipment for waste gas treatment by spraying and adsorption method
01/06/1999CN1204011A Fan
12/1998
12/30/1998CN2302358Y Cooling and warming double-standard electric fan
12/30/1998CN1203573A Improved metal-ligang complex catalyzed processes
12/23/1998WO1998058173A1 Getter pump especially suitable for the use upstream, in proximity and coaxially with respect to a turbomolecular pump
12/23/1998CN2301562Y Oscillation mechanism for pendent fan
12/23/1998CA2263559A1 Getter pump especially suitable for the use upstream, in proximity and coaxially with respect to a turbomolecular pump
12/22/1998US5851107 Suspension assemblies for ceiling fans
12/22/1998US5851106 Portable fan device
12/22/1998US5850733 Gaseous fuel compression and control system and method
12/16/1998EP0883749A1 Compressors
12/16/1998EP0883367A1 High-speed electric motor
12/16/1998CN2300749Y Ceiling installed fan
12/16/1998CN2300748Y Scavenger fan
12/16/1998CN2300747Y Wide angle swing free electric fan
12/10/1998WO1998055769A1 A fan system
12/09/1998EP0882185A1 Fan and motor assembly for an air conditioner
12/09/1998CN1201514A Outlet unit for underfloor air conditionor and underfloor air conditioning system using same
12/08/1998US5848089 Excimer laser with magnetic bearings supporting fan
12/08/1998US5845886 Adjustable ceiling fan support assembly
12/02/1998CN2299177Y Temp.-controlled automatic electrical fan
12/01/1998US5844167 Electrical fixture installation assist means
11/1998
11/25/1998EP0826266B1 Electric motor drive
11/25/1998CN2298358Y Electric fan
11/24/1998US5839881 Ceiling fan having a shock absorbing member
11/19/1998WO1998051910A1 Control system for hydraulic supercharger system
11/19/1998DE19720282A1 Motor vehicle liquid fuel air heater
11/19/1998DE19720281A1 Liquid fuel air heater especially independently driven heater for motor vehicle
11/18/1998CN2297577Y Stepless steering regulator for electric fan
11/18/1998CN2297576Y Desk type electric fan with rotary vane capable of producing cold and hot air
11/18/1998CN2297575Y Disposable air exhausting fan
11/18/1998CN2297574Y Ultrathin dc brushless fan
11/18/1998CN1199277A Interchangeable plug-in circuit completion modules for varying electrical circuitry of ceiling fan
11/17/1998US5836740 Outer casing mounted around a suspension rod