Patents
Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127)
02/1995
02/21/1995US5391064 Frame independent electric blower half-housing
02/21/1995US5391056 Air blower
02/15/1995EP0638728A1 Rotary throat cutoff device and method for reducing centrifugal fan noise
02/15/1995EP0638724A1 Vortex blower
02/15/1995CN2189662Y Plastic composite base of floor electric fan
02/15/1995CN2189661Y Electric fan with wind-guiding device
02/14/1995US5388970 Electrically driven air pump
02/08/1995CN2189298Y Sun Energy ventilating fan
02/08/1995CN2189228Y Device for adjusting oscillating degree of electric fan
02/08/1995CN2189227Y Mechanism for adjusting oscillating degree of electric fan
02/08/1995CN2189226Y Energy saving ventilation fan for mining use
02/08/1995CN2189225Y Multi-function electric fan placed on roof
02/08/1995CN2189224Y Sector like hanging fan
02/07/1995US5387090 Two-stage positive displacement pump
02/07/1995US5387087 Fan capable of directing air flow in both axial and radial directions
02/07/1995US5387066 Electrical fixture installation assist method and means
02/03/1995CA2127588A1 Rotary throat cutoff device and method for reducing centrifugal fan noise
02/01/1995EP0636793A1 Electric heating pan
02/01/1995CN2188666Y Cooling device for electric fan
01/1995
01/31/1995US5385449 Compressor arrangement
01/25/1995EP0635642A2 Blower unit
01/25/1995EP0635641A1 Fan and fan drive assembly
01/25/1995EP0635101A1 Electrically driven high speed pump
01/25/1995CN2188138Y Air warming device
01/24/1995US5383765 Air freshener apparatus for ceiling fans
01/19/1995WO1995002127A1 Motor fan system
01/18/1995CN2187693Y Swing angle adjustable swing mechanism
01/18/1995CN2187692Y Portable pocket fan
01/18/1995CN2187691Y Two-direction ventilation device driven by power inertia
01/17/1995US5382141 In a subsea station for transporting a well stream
01/17/1995US5382136 Expandable window fan
01/17/1995US5382132 Toothed wheel gear unit for a compressor system
01/12/1995DE4416497C1 Geared multi-shaft turbo-compressor and geared multi-shaft radial expander
01/11/1995CN2187236Y Ceiling fan
01/10/1995US5380156 Ceiling fan balance apparatus
12/1994
12/28/1994CN2186319Y Flow-over air feeder
12/27/1994US5375651 Draft inducer blower motor mounting and cooling construction
12/22/1994WO1994029597A1 Compressor
12/21/1994EP0629827A1 Refrigerator and/or freezer apparatus
12/21/1994CN1096571A Oscillating fan
12/14/1994CN2185121Y Oscillating part for massager
12/13/1994CA1333479C Portable electric fan assembly
12/07/1994CN2184807Y Driving part locking mechanism
12/07/1994CN2184806Y Solar electric fan
12/06/1994US5370500 Oscillating fan support
11/1994
11/30/1994EP0626519A1 Airflow measuring centrifugal fan
11/30/1994EP0626516A1 Two stage positive displacement pump
11/30/1994CN2184108Y AC-DC reversible fan
11/29/1994US5368453 Electric fan
11/23/1994CN2183462Y Moveable guide mechanism for fan
11/18/1994CA2123640A1 Airflow measuring centrifugal fan
11/17/1994EP0624730A1 Heat exchanger, in particular refrigerator
11/15/1994US5364228 Turbine for gas compression
11/15/1994US5363674 Zero superheat refrigeration compression system
11/15/1994CA2002717C Electric motor-driven impeller-type air pump
11/10/1994WO1994025808A1 Zero superheat refrigeration compression system
11/10/1994CA2161792A1 Zero superheat refrigeration
11/09/1994CN2182290Y Gas Combustion booster
11/08/1994US5362207 Portable diesel-driven centrifugal air compressor
11/03/1994DE4314059A1 Cooling fan for internal combustion engines
11/02/1994CN2181583Y Low noise axial flow fan for radiator of transformer
10/1994
10/27/1994DE4313657A1 Compressor installation
10/26/1994CN2180813Y Strong miniature stink exhauster
10/26/1994CN2180812Y Hand driving fan
10/26/1994CN2180052Y Mosquito killing electric fan
10/26/1994CN1094159A Radial-flow exhaust turbocharger turbine
10/25/1994US5358382 For use in cooling an engine
10/19/1994EP0620323A1 Improvements relating to exhauster fan systems
10/19/1994CN2179926Y Draught fan for use in toilet
10/19/1994CN2179925Y Combined fan and ceiling lamp
10/12/1994CN2179478Y Electrical fan with 360 deg. rotation
10/06/1994DE4409624A1 Supercharging device for an internal combustion engine
10/05/1994CN2178802Y Cold-heat fan with novel structure
10/05/1994CN2178801Y Turbine pump with natural flow
10/04/1994US5352099 Exhaust fan for water heater
09/1994
09/29/1994WO1994022285A1 Ventilation system for cubicles with electronic functional units producing considerable heat
09/29/1994DE4309636A1 Radialdurchströmte Abgasturboladerturbine Radial flow type exhaust gas turbocharger turbine
09/29/1994DE4309608A1 Cooling fan for an internal combustion engine
09/29/1994DE4309119A1 Arrangement for producing, in particular, cooling air
09/28/1994EP0482032B1 A fan for an electrically operated machine
09/27/1994US5350281 Fan with secondary air passage for motor cooling
09/27/1994US5350039 Low capacity centrifugal refrigeration compressor
09/27/1994US5349721 Fan apparatus
09/21/1994CN2177826Y Foldable dual-purpose pocket fan
09/21/1994CN2177825Y Cool-air device for electric fan
09/20/1994US5347823 Refrigeration system utilizing an enthalpy expansion jet compressor
09/14/1994EP0506691B1 Burner for motor vehicle heater
09/14/1994CN2177111Y Timed automatic shifting fan
09/14/1994CN2177110Y Cooling dc blower
09/13/1994US5346364 Very high speed hydraulic turbine drive
09/08/1994DE4306327A1 Reluctance motor
09/07/1994CN2176454Y Electric swing fan
09/06/1994US5343831 Dynamic air cleaner and carburetor pressurization system for air cooled internal combustion engine
08/1994
08/31/1994CN2175842Y Mini-size electric exhausting and draughting machine
08/30/1994US5343104 Fan motor
08/25/1994DE4305237A1 Cooling system for a motor vehicle
08/23/1994US5340286 Balanced turbocharger
08/23/1994US5340275 Rotary throat cutoff device and method for reducing centrifugal fan noise
08/18/1994WO1994018458A1 High-speed electrically driven axial-flow pump and boat driven thereby
08/17/1994EP0610757A2 Fully enclosed electrical engine with at least one internal fan