Patents for F04D 29 - Details, component parts, or accessories (70,655)
07/1981
07/21/1981CA1105277A1 Splined shaft driving arrangement
07/15/1981EP0032086A2 Water pumping installation with a regulable floating water intake
07/14/1981US4278396 Hub seals for thrust-assisted centrifugal pump
07/07/1981US4277223 Case construction for multi-stage pump
07/07/1981CA1104500A1 Blade containment device
06/1981
06/30/1981US4275995 Bilge pump
06/30/1981US4275993 Composite fan blade assembly
06/30/1981US4275988 Axial or worm-type centrifugal impeller pump
06/30/1981US4275891 Face type shaft seal for liquid metal pumps
06/30/1981CA1104122A1 Ventilator with heat exchanger
06/30/1981CA1103992A1 Adjustable vane centrifugal pump impeller construction
06/30/1981CA1103991A1 Barrel type centrifugal turbo-machine
06/23/1981US4274811 Wave compressor turbocharger
06/23/1981US4274810 Diagonal-flow fan wheel with blades of developable surface shape
06/23/1981US4274806 Staircase blade tip
06/16/1981US4273562 Method and apparatus for pumping gaseous liquids and separating the gaseous components therefrom
06/16/1981US4273512 Compressor rotor wheel and method of making same
06/16/1981US4273510 Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors
06/16/1981US4273509 Self-powered cleaning unit for a fluid pump
06/16/1981US4272955 Diffusing means
06/16/1981CA1103095A1 Centrifugal pumps
06/10/1981EP0030179A1 Retaining structure for the compressor housing of a turbo engine
06/10/1981EP0029895A1 Improved case construction for multi-stage pump
06/09/1981US4272224 Splined shaft driving arrangement
06/09/1981CA1102564A1 Engine drive type generator blower
06/09/1981CA1102516A1 Fan for electric appliance
05/1981
05/26/1981US4269872 Forming closely-spaced deep depressions and coating all surfaces with a protective coating; exposure to high-speed fluid flow and abrasive particles; oil-well hydraulics
05/26/1981US4269571 Blowing apparatus
05/26/1981US4269567 Mud degasser pump
05/26/1981US4269566 Centrifugal pump for abrasive liquids
05/26/1981US4269564 Flow control device
05/26/1981CA1101813A1 Blower assembly
05/26/1981CA1101812A1 Flexible fan
05/19/1981CA1101391A1 Centrifugal compressor and cover
05/14/1981WO1981001306A1 Acoustic filter silencer
05/12/1981CA1100767A1 Turbocharger assembly
05/05/1981US4265839 Evaporation air humidifier
05/05/1981US4265596 Axial flow fan with auxiliary blades
05/05/1981US4265593 Stall stabilizer for a centrifugal rotor
05/05/1981US4265592 Centrifugal fan
05/05/1981US4265591 Adjustable pitch fan
04/1981
04/28/1981US4264452 Pump seal flush
04/28/1981US4264287 Fuel pump assembly of fuel injection system
04/28/1981US4264284 Self-priming centrifugal pump and safety installation therefor
04/28/1981US4264273 Casing and casing liners for centrifugal pumps of the volute type
04/28/1981US4264271 Impeller shroud of a centrifugal compressor
04/28/1981US4264270 Actuator for adjustable vane means of a turbomachine
04/28/1981CA1099991A1 Centrifugal pump
04/15/1981EP0027077A1 Compact pump driven by an electric motor
04/15/1981EP0026823A1 Rotary-pump sealing, especially for cooling-water pumps in motor vehicles
04/14/1981US4261177 Method and apparatus for exchanging heat with a condensable fluid
04/14/1981US4261174 Temperature sensitive actuator and fan
04/08/1981EP0026631A1 Improvements in or relating to rotary face seals
04/08/1981EP0026567A1 Improvements in mixing or pumping devices
04/07/1981US4260658 Molybdenum or tungsten carbide surface with coating of silicon nitride, silicon carbide, or titanium diboride
04/07/1981US4260327 Guide vane assembly for reverse flow cooled dynamoelectric machine
04/07/1981CA1098893A1 Modified castor oil lubricant for refrigerator systems employing halocarbon refrigerants
04/07/1981CA1098879A1 Centrifugal blower control apparatus
04/02/1981WO1981000877A1 Exhaust pipe of turbine
03/1981
03/31/1981US4258821 Sound-absorbent blower cover
03/24/1981US4257744 Impeller and shaft assembly for high speed gas compressor
03/24/1981US4257738 Rotor mounting assembly for rotary wing aircraft
03/24/1981US4257733 Diffuser control
03/10/1981US4255170 Venting device for the housing of a rotary machine
03/10/1981US4255083 Method and device for reducing the noise of turbo-machines
03/10/1981US4254619 Partial span inlet guide vane for cross-connected engines
03/10/1981CA1097285A1 Insulated hub arrangement for high temperature centrifugal fan
03/03/1981US4253800 Wheel or rotor with a plurality of blades
03/03/1981US4253798 Centrifugal pump
03/03/1981US4253796 Fan or blower assembly
03/03/1981US4253490 Vortex eliminator
03/03/1981CA1096703A1 Sealing system for use in composite multi-stage pump
03/03/1981CA1096595A1 Method and apparatus for manufacturing parts for rotary fluid machines
02/1981
02/24/1981US4252502 Radial blower especially for heaters and air conditioners in motor vehicles
02/24/1981CA1096347A1 Self cleaning fan housing
02/18/1981EP0023993A1 Face type shaft seal for liquid metal pumps
02/17/1981US4251189 Fan
02/17/1981US4251183 Crossover duct assembly
02/10/1981US4249861 Fan blade reinforcement plate
02/10/1981US4249860 Pumping apparatus for fluids containing abrasive particulates
02/10/1981CA1095588A1 Rim-type hydroelectric machine
02/03/1981US4248571 Centrifugal impellers
02/03/1981US4248570 Air blower for spas or the like
02/03/1981CA1095002A2 Rotary device with bypass system
01/1981
01/28/1981EP0022864A1 Centrifugal fan or pump
01/28/1981EP0022832A1 A thrust bearing device, particularly for taking up oscillating rotational movements.
01/27/1981US4247250 Fabricated pump casing
01/27/1981US4247246 Vortex blower
01/27/1981US4246996 Screw operated coupling
01/27/1981CA1094518A1 Axial-flow fan
01/22/1981WO1981000139A1 Multi-stage centrifugal compressor
01/20/1981US4245960 Connecting structure for a hub and fan blade
01/20/1981US4245957 Bladed fan assembly and compression loaded connector
01/20/1981US4245952 Pump
01/13/1981US4244630 Journal mounting for the shaft of a water pump or the like
01/13/1981CA1093527A1 Fluid flow devices
01/13/1981CA1093517A1 Box fans
01/13/1981CA1093385A1 Wear liners for abrasive-material handling equipment
01/13/1981CA1093318A1 Turbine engine with induced pre-swirl at compressor inlet
01/07/1981EP0021709A1 Multi stage centrifugal compressor and its application to a turbine