Patents for F04D 29 - Details, component parts, or accessories (70,655)
12/1991
12/27/1991EP0462724A1 Integrated turbine generator
12/27/1991EP0462647A1 Electric motor with two fans
12/26/1991WO1991019905A1 Improvements in or relating to pumps
12/26/1991WO1991018209A3 Liquid pump
12/26/1991CA2019819A1 Track mounted fan
12/25/1991CN2091375U Blade angle of attack adjustable electric fan
12/25/1991CN2091374U Small outlet angle centrifugal pump impeller
12/25/1991CN2091373U Rotary pump axle machinery seal device
12/25/1991CN2091372U Wear-resistant fan
12/25/1991CN1057319A Water pump cavitation control method by air supply
12/24/1991US5074764 Submergible motor pump
12/24/1991US5074751 Fan casing
12/24/1991US5074746 Constant speed vertical pump with aeration
12/20/1991WO1991019906A1 Gaseous fluid aspirator or pump
12/20/1991CA2085009A1 Gaseous fluid aspirator or pump
12/18/1991CN2090920U Integrated impeller for fume extractor
12/18/1991CN2090893U Filtering cover for exhaust fan
12/18/1991CN2090892U Flexible driving shaft for water pump
12/18/1991CN1015126B Vertical automatic full liquid priming type centrifugal pump
12/17/1991US5073335 Bwr turbopump recirculation system
12/17/1991US5073088 Grill assembly for portable fan
12/17/1991US5073082 Hydraulic screw pump
12/16/1991CA2040678A1 Slurry pump apparatus and method
12/12/1991WO1991019104A1 Centrifugal fan
12/12/1991WO1991019103A1 Hydrodynamically suspended rotor axial flow blood pump
12/11/1991EP0460597A2 Single impeller centrifugal pump with a peripheral-longitudinal diffuser
12/11/1991EP0460551A2 Vehicle washer pump
12/11/1991EP0460292A1 Rotatable body
12/11/1991CN2090448U Pump shaft dynamic sealing device
12/11/1991CN1015069B Multi-blade rotor of air-fan
12/11/1991CN1015068B Centrifugal pump impeller
12/10/1991US5071318 Reactor coolant pump having improved dynamic secondary seal assembly
12/10/1991US5071317 Centrifugal pump having a unitary one-piece diffusion casing and a unitary one piece turbine impeller unit
12/10/1991US5071316 Combination coolant pump drip collection, belt tensioner
12/10/1991US5071314 Method and fish pump for pumping up fish from a cod end
12/05/1991DE4017358A1 Gas turbine engine compressor rotor - is for one-off or temporary use and is made from heat resistant magnesium alloy
12/04/1991EP0459497A2 Axial fan with cylindrical casing
12/04/1991EP0459269A1 Side channel compressor
12/04/1991EP0459034A1 Method for constructing a pumping installation and pumping installation manufactured according to the method
12/04/1991EP0458880A1 Centrifugal fan with airfoil vanes in annular volute envelope
12/04/1991CN2089992U Hollow vane with ash removing groove
12/04/1991CN1056737A Fan that can be coupled
12/03/1991US5069603 Bearings for use in negative-pressure environments
12/03/1991US5069599 Metal plate stator case, particularly for radial centrifugal pumps
11/1991
11/28/1991WO1991018210A1 Single-blade impeller for rotary pumps
11/28/1991WO1991018209A2 Liquid pump
11/27/1991EP0458142A1 Device for adjusting the front vanes of a radial diffuser
11/27/1991EP0458080A1 Hand operated electrical machine tool
11/27/1991EP0457756A1 A device for assembling an impeller on a driving shaft.
11/27/1991CN2089543U Leakage-proof impeller
11/27/1991CN1056557A Differential pressure piston type balance unit of axial forces
11/27/1991CN1014922B Screw recoil pump
11/21/1991DE4015519A1 Water circulating pump with impeller made of plastics - which is mounted on shaft with sharp edges
11/20/1991CN2089087U 压力介质密封装置 Medium pressure seal
11/20/1991CN2089083U Strong magnetic apparatus for preventing electric submerged pump from scaling
11/19/1991US5066196 Engine-cooling fan made of synthetic resin
11/19/1991US5066194 Fan orifice structure and cover for outside enclosure of an air conditioning system
11/19/1991US5066193 Water pump housing closure and a water pump gasket adjustment mechanism
11/19/1991US5065597 Dual side discharge air housing for room air conditioner
11/19/1991US5065596 Dual louvered side air discharge openings for room air conditioner
11/19/1991CA1292262C Blower for transportation or ventilation
11/14/1991WO1991017361A1 Compressor having magnetic bearing assembly
11/14/1991WO1991017341A1 Apparatus and method for producing a high-pressure fluid used for fluid-jet cutting
11/14/1991DE4015331A1 Einschaufelrad fuer kreiselpumpen Single-impeller for centrifugal pumps
11/14/1991DE4015259A1 Ventilator casing for coolant blower in motor vehicle - has roller bearing between belt-driven pulley and tightly enclosed fan secured against rotation w.r.t. engine
11/14/1991DE4014503A1 Cooling system for disc brake of vehicle - uses fan with hinged blades which can fold against fan shaft
11/13/1991EP0456632A1 Method of manufacturing for impeller of centrifugal pump and this impeller
11/13/1991EP0456596A1 A centrifugal pump
11/13/1991EP0456170A1 Electric motor
11/13/1991EP0442944A4 Horizontal removable pump for filtration systems
11/13/1991EP0260320B1 Cartridge pump
11/12/1991US5064346 Impeller of multiblade blower
11/12/1991US5064345 Multi-sweep blade with abrupt sweep transition
11/12/1991US5064344 Partial throat diffuser
11/12/1991US5064315 Blower
11/12/1991US5063904 Mechanically driven supercharger for an internal combustion engine
11/12/1991US5063832 Blower unit for automobile air conditioner
11/12/1991US5063661 Method of fabricating a split compressor case
11/12/1991CA1291974C Profiled blade of a fan and its application in motor-driven ventilating devices
11/07/1991DE4025662C1 Impeller for blower - has radially backwardly curved channel blades and hub disc with curved contour
11/06/1991EP0455542A1 Quiet centrifugal motorpump for liquids
11/06/1991EP0454664A1 Electric machine with vertical shaft.
11/06/1991EP0158681B1 Rotary gas machine
11/05/1991USH974 Thrust bearing and method of manufacturing thereof
11/05/1991US5062766 Turbo compressor
10/1991
10/31/1991WO1991016544A1 Method and apparatus for stabilizing the pressure of a centrifugal fan
10/31/1991WO1991011619A3 Side channel pump
10/31/1991DE4013437A1 Electric hair dryer with adjustable air output direction - uses pivoted baffle on output side of heating register
10/30/1991EP0454322A1 Means for applying a back pressure to a shaft seal
10/30/1991EP0340236A4 Improved pump construction
10/30/1991CN2087705U High-temperature resistant water-wheel blower for iron-smelting furnace
10/30/1991CN1055800A 真空泵 Vacuum pump
10/29/1991US5061432 Apparatus for facilitating the servicing of inverted canned pump motors having limited access space and restricted access time especially in nuclear power plants
10/29/1991US5061157 Submersible pump
10/29/1991US5061152 Mounting for variably settable stator blades in a compressor
10/29/1991US5061151 Centrifugal pump system with liquid ring priming pump
10/29/1991US5060901 Whole house fan
10/27/1991WO1991016541A1 Pump mounting apparatus for filtration system
10/27/1991CA2080247A1 Pump mounting apparatus for filtration system
10/24/1991DE4109592A1 Partially or totally immersed blower or compressor - with provision for pressure pipe to be above or below liq. surface