Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 25 - Pumping installations or systems specially adapted for elastic fluids
Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127)
11/1998
11/12/1998DE19721050A1 Turbine machine such as axial and radial compressor
11/11/1998EP0877166A1 Pump for gasses or liquids, used in suction apparatus, wet suction apparatus, and pumps
11/10/1998CA2018816C Cooling fan with reduced noise for variable speed machinery
11/05/1998CA2236872A1 Conveying device for liquid and gaseous media, such as vacuum cleaners, pumps etc.
11/04/1998EP0874967A1 Ceiling fan with attachable heater housing having an additional fan therein
11/04/1998EP0874953A1 Motor-generator assisted turbocharging systems for use with internal combustion engines and control systems therefor
11/04/1998EP0874796A1 Improved metal-ligand complex catalyzed processes
11/04/1998CN2296420Y Fragrant electric fan
10/1998
10/28/1998CN2295861Y Oblique sheet type isometric axial flow fan
10/22/1998WO1998030790A3 Cooling means for a motor-driven centrifugal air compressor
10/20/1998US5824952 Ceiling fan outlet box
10/13/1998US5820458 Ventilation device
10/13/1998US5820345 Split rotor shaft driven lift fan
10/13/1998US5819524 Gaseous fuel compression and control system and method
10/07/1998EP0868611A1 Electric-motor-driven blower
10/07/1998EP0868610A1 Centrifugal compressor with incorporated gearbox
10/07/1998CN2293669Y Electric fan
10/07/1998CN2293668Y Electric fan with air filtering device
10/07/1998CN1195078A Two-stage centrifugal compressor
09/1998
09/30/1998EP0868010A1 Fan motor for an electric convector
09/30/1998CN2292925Y Omnibearing rotating triple electric fan
09/30/1998CN2292924Y 磁悬浮电扇 Maglev fans
09/30/1998CN1194338A Sealing structure of pressure follow and match follow and its motor-pump system
09/29/1998US5814908 Blower wheel with axial inlet for ventilation
09/24/1998DE19812104A1 Petrol-powered hand portable tool e.g blower, grass cutter, chain-saw, spray machine etc.
09/23/1998EP0749533B1 Compressor
09/23/1998CN2292178Y Combined miniature radiation fan
09/22/1998US5811899 Small electric motor with airflow guide structure
09/22/1998US5810554 Electronic component cooling apparatus
09/17/1998DE19710608A1 Axial fan for radiator of internal combustion engine of road vehicle
09/17/1998DE19710606A1 Fan, especially for cooler of internal combustion engine
09/16/1998CN2291518Y Long-life operating fan
09/15/1998US5806133 Portable work machine
09/11/1998WO1998039836A1 Electronically switched d.c. motor
09/08/1998US5803721 Clean room fan unit
09/08/1998US5803707 Slide-in cross current ventilator
09/02/1998CN2290142Y Electromechanical integral pump
09/02/1998CN2289888Y Multifunction cold-warm electric fan
09/02/1998CN1191943A New-type local blower
09/02/1998CN1191942A New-type ventilator
09/01/1998US5800258 Ventilation system for cabinets with electronic functional units which produce considerable heat
09/01/1998US5800126 Swinging head gear shell of an electric fan
09/01/1998US5800049 Light assembly for a ceiling fan
08/1998
08/27/1998DE19718092A1 Procedure for compressing gases such as Helium for use with super conductors in particle accelerators
08/26/1998CN2289082Y Negative pressure fire-fighting fume extractor
08/25/1998US5797721 Ceiling fan housing having light device
08/25/1998US5797718 Fan unit generating gas streams
08/19/1998CN2288297Y Electric fan with adjustable direction positioning head
08/18/1998US5795220 Ceiling fan with an air diffuser system
08/18/1998US5795138 Compressor
08/18/1998US5795131 Fan air cleaner
08/13/1998DE19706004A1 Fan for conducting fluids through pipe with motor-driven rotary elements
08/11/1998US5791876 Floating drive assembly for an automotive cooling fan
08/11/1998US5791763 Electronic control battery-operated device of lamp with fan
08/11/1998US5791159 Compression apparatus
08/05/1998EP0697088A4 Zero superheat refrigeration compression system
08/05/1998CN2287218Y Airing fan with filtering net
08/04/1998US5788568 Fan
08/04/1998US5787711 Motor-assisted turbo-cooling system for internal combustion engines
07/1998
07/29/1998CN2286810Y High-temp. smoke-exhausting fan
07/28/1998US5785493 Turbocharger for internal combustion engine
07/23/1998WO1998031937A1 High-pressure fan
07/22/1998CN1188192A Axial sliding bearing
07/16/1998WO1998030845A1 Improved heat gun fan assembly
07/16/1998WO1998030791A1 Efficient motor-assisted turbochargers for internal combustion engines
07/16/1998WO1998030790A2 Cooling means for a motor-driven centrifugal air compressor
07/16/1998DE19701082A1 Hand-held, motor/IC-engine driven suction/blower machine with housing including fan scroll and fan
07/14/1998US5780946 Air-cooled type electric motor
07/14/1998US5779450 Refrigerating apparatus having a fluid compressor
07/09/1998DE19800118A1 Portable power tool
07/09/1998DE19754369A1 Centrifugal turbine wheel for heating, ventilation or air conditioning unit of vehicle
07/08/1998EP0852296A2 Inflator with drop-in batteries and universal adapters
07/06/1998CA2226187A1 Inflator with drop-in batteries and universal adapters
07/02/1998WO1998028527A1 Bearing systems for motor-assisted turbochargers for internal combustion engines
07/01/1998EP0851716A2 Interchangeable plug-in circuit completion modules for varying the electrical circuitry of a ceiling fan
07/01/1998CN2285384Y Domestic ac/dc two-purpose fan
07/01/1998CN1186180A Double or multiple auger suction unit for hoods, ovens and similar appliances
06/1998
06/30/1998US5772711 Filter blockage warning indicator
06/24/1998EP0849472A1 Radial steam mixing machine
06/24/1998CN1185545A Scavenger fan
06/18/1998WO1998026185A1 Fan and motor assembly for an air conditioner
06/10/1998EP0846870A2 Fan casing for a unit used in hoods and ovens
06/10/1998EP0846869A2 Double or multiple fan unit for hoods and ovens
06/10/1998EP0846098A1 Improved metal-ligand complex catalyzed processes
06/10/1998EP0817946A4 Refrigeration system
06/10/1998CN1184568A Electric motor drive
06/10/1998CN1184567A Electric drive system for railway vehicles and guided vehicles
06/10/1998CN1184212A Suction unit for hoods, ovens and similar appliances
06/09/1998US5763975 Axial-flow induction motor
06/06/1998CA2223313A1 Suction unit for hoods, ovens and similar appliances having a casing with two or more adjacent and spaced augers
06/06/1998CA2223211A1 Double or multiple auger suction unit for hoods, ovens and similar appliances
06/04/1998WO1998023886A1 Pressure balanced turbocharger rotating seal
06/04/1998CA2272368A1 Yressure balanced turbocharger rotating seal
06/03/1998CN2283140Y Civil ventilator
06/02/1998US5760512 Brushless motor
05/1998
05/28/1998WO1998011335A3 Motor-assisted turbo-cooling system for internal combustion engines
05/27/1998EP0681655A4 Fan with secondary air passage for motor cooling.
05/27/1998CN2282611Y Vacuum pressure combination air pump
05/27/1998CN1182836A Electric ceiling fan with oscillation-limiting device
05/14/1998DE19748281A1 Cooling unit used with X-ray tube fitted on frame of CT imaging system
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