| Patents for F04D 29 - Details, component parts, or accessories (70,655) |
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| 03/23/1994 | EP0588258A1 Multipart stage housing |
| 03/23/1994 | EP0285663B1 Pump |
| 03/23/1994 | CN2159467Y High effective, energy saving and low noise blower |
| 03/23/1994 | CN2159465Y Magnetically driving pump with rear open |
| 03/22/1994 | US5296769 Air guide assembly for an electric motor and methods of making |
| 03/22/1994 | US5295798 Fluid rotating apparatus with rotor communicating path |
| 03/22/1994 | US5295786 Liner ring for a pump |
| 03/22/1994 | US5295785 Turbocharger having reduced noise emissions |
| 03/22/1994 | CA1327959C Blower with clam shell housing |
| 03/17/1994 | WO1994005914A1 Orbiting fluid pump |
| 03/17/1994 | WO1994005913A1 Compressor |
| 03/17/1994 | DE4327425A1 Lagerung Storage |
| 03/17/1994 | DE4240776C1 Fixing system for fan motor in housing with motor holder receiving motor - supports motor radially and has motor axially fixed also provided with cage rigidly fixed at housing concentrically surrounding motor holder with gap. |
| 03/17/1994 | DE4226664A1 Rotary pressure and suction pump with thermodynamic centrifugal rotor - converts thermal water energy into kinetic energy, by thermodynamic effect in path-time constant |
| 03/17/1994 | CA2144181A1 Compressor |
| 03/16/1994 | EP0586934A1 Vortex flow blower with reduced noise generation |
| 03/16/1994 | EP0586800A1 Molten metal pump with vaned impeller |
| 03/16/1994 | EP0586511A1 Propulsive thrust ring system |
| 03/16/1994 | EP0466888B1 Impeller pump of cleaning liquid for motor vehicles |
| 03/16/1994 | CN2158936Y Helico-centrifugal water pumping chamber for solid-fluid pump |
| 03/15/1994 | US5293929 Cooling apparatus for machine parts such as pump seals |
| 03/15/1994 | CA1327783C Fan stage configuration |
| 03/11/1994 | CA2077924A1 Self-adjusting centrifugal impeller |
| 03/09/1994 | EP0479793B1 Submersible motor-driven pump |
| 03/09/1994 | CN2158505Y Means for removing cooking fumes |
| 03/08/1994 | US5292228 Ceiling fan support |
| 03/08/1994 | US5292088 Propulsive thrust ring system |
| 03/08/1994 | US5291975 System and method for damping narrow band axial vibrations of a rotating device |
| 03/08/1994 | CA2015521C Shroud assembly for axial flow fans |
| 03/08/1994 | CA1327553C Blade for a propeller for a fan in an automobile, imparted with a falciform configuration |
| 03/08/1994 | CA1327482C Pump for filtration systems |
| 03/08/1994 | CA1327481C Centrifugal pump with hydraulic thrust balance and tandem axial seals |
| 03/03/1994 | WO1994004854A1 Pressure cover for rotary pumps |
| 03/03/1994 | WO1994004827A1 Multi-stage centrifugal pump incorporating a sealed thrust bearing |
| 03/03/1994 | WO1994004826A1 Regenerative pump |
| 03/03/1994 | WO1994004825A1 Process for monitoring the operative position of the rotary system of a vacuum pump, especially a turbo-molecular pump |
| 03/03/1994 | DE4229430A1 Rotor blade adjusting mechanism - has adjusting rod, extending through rotor shaft and coupled positively to blades. |
| 03/03/1994 | CA2142853A1 Regenerative pump |
| 03/02/1994 | EP0486539B1 Fan with electric motor |
| 03/02/1994 | EP0396575B1 Single-stage axial flow blood pump |
| 03/02/1994 | CN2158051Y Non-dripping oil casing of scavenger fan |
| 03/02/1994 | CN1083183A Rotary compressor with stepped cover contour |
| 03/01/1994 | US5290236 Low priming volume centrifugal blood pump |
| 03/01/1994 | US5290157 Clamp for attaching an aquarium power head |
| 03/01/1994 | US5290149 Impeller for an axial-flow type fan |
| 03/01/1994 | US5290144 For sealing the gap |
| 02/24/1994 | DE4327506A1 Turbo vacuum pump assembly - has housing with suction and delivery apertures and contg. evacuating pump which compresses gas sucked in through suction aperture |
| 02/24/1994 | DE4227901A1 Fan, esp. for cooling motor vehicles - has in run-in area and within entry aperture of radial running wheel guide ring with turning angle of approximately 90 deg. |
| 02/24/1994 | DE4227663A1 Verfahren zur Überprüfung der Betriebsposition des rotierenden Systems einer Vakuumpumpe, vorzugsweise Turbomolekularpumpe Method for checking the operating position of the rotating system of a vacuum pump, preferably turbomolecular pump |
| 02/24/1994 | DE4227249A1 Pot pump for fluids - has pump housing comprising cast suction connection, cast pressure connection, and intervening welded pipe section, the two connections having feet, to which the pump housing is fixed on a |
| 02/24/1994 | DE4143383A1 Axial fan for condenser in vehicle air conditioning system |
| 02/23/1994 | EP0583781A1 Blood pump |
| 02/23/1994 | CN2157345Y Controllable automatic rotary rack for ceiling fan |
| 02/23/1994 | CN2157344Y Bounce electric water pump |
| 02/23/1994 | CN2157340Y Electric submersible pump antirotation device for oil well |
| 02/23/1994 | CN2157337Y Improved magnetic driven pump |
| 02/22/1994 | USRE34551 Ducted fan |
| 02/22/1994 | US5289068 Two-stage submersible propulsor unit for water vehicles |
| 02/22/1994 | US5288215 Integral motor centrifugal pump |
| 02/22/1994 | US5288213 Pump having an internal pump |
| 02/22/1994 | US5288204 Gas turbine engine support structure |
| 02/22/1994 | US5288203 Low profile fan body with heat transfer characteristics |
| 02/22/1994 | US5288202 Centrifugal regulator device for opening and closing the shutter of an axial electric fan unit and an electric fan unit utilizing this device |
| 02/22/1994 | US5287612 Apparatus for removal of a bearing frame assembly |
| 02/22/1994 | CA2011675C Centrifugal compressor having hybrid diffuser and excess area diffusing volute |
| 02/17/1994 | WO1994003731A1 Centrifugal blood pump |
| 02/17/1994 | DE4318158A1 Coolant pump for vehicle IC engine - has vented leakage chamber with lead-off channel to suction side of pump |
| 02/17/1994 | DE4227013A1 Active magnetic axial bearing for rotors - has anti-magnetic bearing rings inserted in ring grooves of pole faces, extending out towards armature disc |
| 02/17/1994 | DE4226544A1 Single or two-stage axial blower - has position motor to drive blade position control mechanism |
| 02/17/1994 | CA2141327A1 Centrifugal blood pump |
| 02/16/1994 | EP0583091A2 A fan |
| 02/16/1994 | EP0582856A1 Propeller stirrer |
| 02/16/1994 | CN2156325Y Stator fixing device for industry exhausting fan |
| 02/16/1994 | CN1023830C Centrifugal pump wheel |
| 02/15/1994 | US5286164 Radial blower with blower wheel rotating in spiral housing |
| 02/15/1994 | US5286163 Molten metal pump with filter |
| 02/15/1994 | US5286162 Method of reducing hydraulic instability |
| 02/10/1994 | DE4226204A1 Rotationally secure attachment of blade foot to flow machine hub - uses toothed position rings to ensure chosen angular setting is maintained |
| 02/09/1994 | EP0582140A1 Fan casing |
| 02/09/1994 | EP0581997A1 Screw type water flow generating apparatus |
| 02/09/1994 | CN2155454Y Health fan capable of cleaning gas |
| 02/09/1994 | CN2155453Y Bayonet unit for mounting electric fans on vehicles and ships |
| 02/09/1994 | CN2155452Y 冷却水泵 Cooling water pump |
| 02/08/1994 | CA2075604A1 Counterthrust seal for a rotary fluid machine |
| 02/03/1994 | WO1994002789A1 Refrigeration system utilizing an expansion jet compressor |
| 02/03/1994 | WO1994002742A1 Rotary compressor with stepped cover contour |
| 02/03/1994 | WO1994002187A1 Centrifugal blood pump |
| 02/03/1994 | DE4312825C1 Air-feed system to radial fan - has opposite converging guide fins with adjacent edges inside fan opening |
| 02/03/1994 | DE4224853A1 Packing for safe transit of pump - uses three profiled shells of environmentally friendly material for total enclosure of pump |
| 02/03/1994 | CA2140765A1 Centrifugal blood pump |
| 02/03/1994 | CA2119564A1 Refrigeration system utilizing an expansion jet compressor |
| 02/02/1994 | EP0446316B1 Miniature fan |
| 02/02/1994 | CN2154926Y Detachable suspending arm pump shaft |
| 02/02/1994 | CN1023656C Axial-flow blower |
| 02/01/1994 | US5282727 Aquarium power head with integral muffler |
| 02/01/1994 | US5282726 Compressor supercharger with evaporative cooler |
| 02/01/1994 | US5282446 Rotary pump assemblies |
| 01/27/1994 | DE4235799C1 Variable-pitch axial-flow fan rotor - has annular lubricant chamber between inner ring and outer one supporting blade spindle |
| 01/26/1994 | EP0580400A1 Self-sealing water pump seal |
| 01/26/1994 | EP0579688A1 Impeller for centrifugal pump. |