Patents
Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127)
08/1992
08/26/1992EP0500429A1 Heat exchanger
08/26/1992EP0499698A2 Ventilator drive with fluid friction coupling
08/26/1992CN2114051U Infrared following head-rotating means for electric fans
08/26/1992CN2114050U Electric fan
08/26/1992CN2114049U Starting mechanism for permasyn electric fan
08/26/1992CN2114048U Ceiling fan with rotary colour lights
08/26/1992CN2114047U Fluid-driven electric fan
08/20/1992WO1992014062A1 Compressor system in a subsea station for transporting a well stream
08/20/1992WO1992014061A1 A method of operating a compressor system in a subsea station for transporting a well stream, and a compressor system in a subsea station for transporting a well stream
08/19/1992EP0499504A1 Rotating machine of the compressor or turbine type for the compression or expansion of a dangerous gas
08/19/1992EP0499166A1 Axial fan unit
08/19/1992EP0499104A1 Air-conditioning system
08/19/1992CN2113367U Ring blowing electric fan
08/19/1992CN2113366U Electronic killing mosquito cold/hot wind electric fan
08/19/1992CN2113365U Wasitaband electric fan
08/19/1992CN2113364U Charging type dual-purpose pocket electric fan
08/13/1992CA2060793A1 Revolving machine of the compressor or turbine type for compressing or releasing a dangerous gas
08/12/1992CN2112710U Stepless adjuster for electric fan swing angle
08/12/1992CN2112709U Fan in purse
08/12/1992CN2112708U Stator connecting device for industrial heat radiation fan
08/12/1992CN1017821B Draught fan by wind force
08/11/1992US5136837 Aircraft engine starter integrated boundary bleed system
08/06/1992WO1992013196A1 Rotary pump
08/05/1992CN2112023U Draught fan
08/05/1992CN1017742B Ceiling fan
08/04/1992US5135365 Waterproof overhead fan
08/04/1992US5135363 Miniaturized direct current fan
08/04/1992CA1305994C Electronically commutated motor, blower integral therewith, and stationary and rotable assemblies therefor
07/1992
07/30/1992DE4201486A1 Oil-free screw compressor installation - has turbo supercharger which raises atmospheric air pressure prior to compressor entry
07/29/1992CN2111391U Fan swaying device
07/29/1992CN2111390U Universal electric fan
07/28/1992US5133325 Mechanical drive mechanism for a supercharger of an internal combustion engine
07/28/1992US5133194 Air cycle machine and fan inlet/diffuser therefor
07/23/1992CA2049480A1 Low profile ventilation fan
07/22/1992CN2110731U Mosquito-killing electric fan
07/22/1992CN1062960A Full mechanical construction swing fan
07/21/1992US5131810 Fan with rotatable grill
07/15/1992CN2110111U Multifunction fan with 360deg. rotation
07/15/1992CN2110110U Electric fan with arc fan vane
07/15/1992CN2110109U Mini-wind healthy fan with adjustable wind rate
07/15/1992CN2110108U Electric fan with circular blow
07/08/1992EP0493654A1 Portable electric blower
07/08/1992EP0493428A1 Pump or compressor unit.
07/08/1992CN2109470U All-direction adjustable electric fan device
07/08/1992CN2109469U Vertical shaft type electric fan
07/08/1992CN2109468U Multifunctional portable travel electric fan
07/08/1992CN2109467U Power saving fan
07/07/1992US5127798 Air mixer
07/07/1992US5127796 Rotary pump having an encapsulated motor
07/01/1992CN2108814U Multi-step pumping installation capable of changing direction of output air for electric fan
07/01/1992CN2108813U Fan capable of ventilating to all space
07/01/1992CN1062405A Stepless regulator of angle for oscillating electric fan
06/1992
06/30/1992US5125806 Integrated variable speed compressor drive system
06/30/1992US5125797 Portable water driven high velocity fan
06/25/1992WO1992010682A1 Radial ventilator
06/23/1992US5123299 Gear box of air fan
06/17/1992CN2107555U Electric fan swing angle regulator
06/17/1992CN2107554U Health care electric fan
06/17/1992CN2107553U Energy-saving fan for brick and tile manufacturing
06/17/1992CN2107552U Stereo wind electric fan
06/11/1992DE4038775A1 Ventilator fan driven by electric motor - has electrical screw connection of electric motor to fit light socket and provided with centre and side contacts
06/10/1992EP0489672A1 Double flow ventilation unit, particularly for a technical compartment
06/10/1992EP0489466A2 Centrifugal actuating device for pushing or pulling an element to be operated
06/10/1992CN2106926U Wind-direction adjustable macro-controller for electric fans
06/10/1992CN2106925U Cooling electric fan
06/10/1992CN2106924U Domestic rocking electric fan
06/10/1992CN2106923U Electric fan using natural cold source
06/10/1992CN2106922U Electric fan with a atomizer
06/10/1992CN2106921U Miniature apparatus for dust-aspirating and illuminating
06/03/1992EP0488961A1 A fan, particularly for motor vehicles
06/03/1992EP0377609B1 Mechanical drive of the charging blower of internal combustion engines
06/03/1992CN2106250U Ball shape full angle electric fan
06/03/1992CN1061648A Rotary fan type energy saving pneumatic purification method and apparatus
06/02/1992US5118251 Compound turbomolecular vacuum pump having two rotary shafts and delivering to atmospheric pressure
05/1992
05/27/1992EP0487141A2 Blower unit for raising gas-flows
05/27/1992CN2105582U Combined electric fan base
05/27/1992CN2105581U 翼式吊扇 Ceiling wing
05/27/1992CN2105580U High-temp. axial-flow fan
05/27/1992CN2105579U Electric fan with radio-recorder
05/27/1992CN2105578U Water flow driving pump
05/27/1992CN2105577U Wind driving impeller submerged pump
05/20/1992CN2104964U Ventilation fan with rotary vanes
05/20/1992CN2104963U Safety fan
05/20/1992CN2104962U Electrical fan giving hot or cold wind
05/19/1992US5114317 Low weight fan with internal cooling
05/13/1992CN2104331U Gear box shell cover of electric fan waving unit
05/06/1992CN2103682U Dual-purpose pushing and pulling type head-shaking switch
05/06/1992CN2103681U Device capable of stepless speed regulating rotary blade
05/06/1992CN2103680U Perfume electric fan
05/06/1992CN2103679U Multi-way micro-sound air pump
05/06/1992CN2103678U Auto-fan for bicycle
05/06/1992CN1060906A Transport refrigeration system
05/05/1992US5110266 Electric blower having improved return passage for discharged air flow
05/05/1992US5110264 Variable speed turbo vacuum pump
05/05/1992US5110263 Convertible floor and window fan
04/1992
04/30/1992WO1992007192A1 Blade unit for producing a radial current of air and electric fan using same
04/29/1992EP0482921A2 Transport refrigeration system
04/25/1992CA2053451A1 Transport refrigeration system
04/23/1992DE4033104A1 Electrically driven room ventilator - has flat detachable fan blades inserted in holder at sides
04/22/1992CN2102393U Mosquito trapping fan