Patents for F04D 29 - Details, component parts, or accessories (70,655)
03/1982
03/09/1982CA1119566A1 Adjustable pitch fan
03/02/1982CA1119140A1 Centrifugal vapor compressor and a diffuser control therefor
02/1982
02/24/1982EP0046173A1 Rotary machine, particularly radial-flow compressor
02/23/1982US4316522 Acoustic filter silencer
02/16/1982US4315715 Diffuser for fluid impelling device
02/16/1982US4315714 Rotary compressors
02/09/1982US4314486 Vibration dampening ring
02/09/1982CA1117924A1 Temperature-sensitive actuator and fan
02/02/1982US4313712 Mounting of rotor assemblies
01/1982
01/27/1982EP0044564A1 Turbo compressor having a surge suppressing arrangement
01/26/1982CA1117086A1 Vane axial fan assembly
01/20/1982EP0044243A2 Axial flow fan imparting both radial and axial flow components to the airflow
01/20/1982EP0043952A2 Optionally foamed intumescent masses
01/19/1982US4311937 Axial gap electric motors
01/19/1982US4311025 Gas compression system
01/19/1982US4311004 Gas compression system and method
01/19/1982CA1116508A1 Evaporation air humidifier
01/13/1982EP0043452A2 Regulation device for axial-flow compressors
01/06/1982EP0043162A1 Improvements in electrically powered, submersible centrifugal pumps
01/06/1982EP0043017A1 Guide vanes variation means for a radial compressor
12/1981
12/30/1981EP0042797A1 Centrifugal pump with dismountable diffusor
12/29/1981US4308000 Discharge outlet coupling and guiderail assembly for submersible pumps
12/29/1981US4307574 Air compressing system and process
12/23/1981EP0042345A1 Hydrostatic bearing fail-safe means for a pump
12/23/1981EP0042044A1 Axial-flow compressor with displaced surge limit
12/22/1981US4306838 Force transferring elements
12/22/1981US4306833 Regenerative rotodynamic machines
12/22/1981CA1114792A1 Fan blade with bends forming general blade curvature
12/16/1981EP0041712A1 Turbo compressor having a surge suppressing arrangement
12/15/1981US4305214 In-line centrifugal pump
12/15/1981CA1114311A1 Degasification system
12/09/1981EP0041438A1 Hydrodynamic auxiliary bearing in motor-driven pump
12/02/1981EP0040769A1 Arrangement for lowering the surge limit of a rotary type compressor
12/01/1981US4303373 Device for generating a curtain of high velocity gas
12/01/1981CA1113435A1 Fan spider with rake angle
11/1981
11/25/1981EP0040569A1 Self-priming regenerative pump for pumping liquefied gas out of a buried tank
11/25/1981EP0040534A1 Compressor diffuser
11/25/1981EP0040532A1 Construction of fan blades
11/24/1981US4302657 Method for arc-welding the blades to the disc or counterdisc of rotary machine rotors
11/24/1981US4302150 Centrifugal compressor with diffuser
11/17/1981US4300869 Method and apparatus for controlling clamping forces in fluid flow control assemblies
11/17/1981CA1112622A1 Fan comprising a blade pitch control mechanism
11/17/1981CA1112515A1 Centrifugal pump
11/12/1981WO1981003201A1 Noise reduction system
11/11/1981EP0039459A1 Silenced turbo-machine
11/11/1981EP0039435A1 Free floating sealing disk for centrifugal fluid pump
11/10/1981US4299535 Fan inlet guide vane assembly
11/10/1981CA1112222A1 Fan blade assemblies for box fans
11/04/1981EP0039101A1 A heat-insulated container provided with a locating and/or supporting device
10/1981
10/27/1981US4296979 Journal bearing for the shaft of a water pump or the like
10/27/1981US4296916 Submersible pump puller
10/27/1981CA1111397A1 Impeller and shaft assembly for high speed gas compressor
10/27/1981CA1111312A1 Turbine pump
10/27/1981CA1111268A1 Oil separation and return system for centrifugal refrigerant compressors
10/20/1981US4296308 Apparatus for welding impeller
10/20/1981US4295895 Preventing, removing salt deposits with high water vapor pressure
10/20/1981US4295803 Separating machine
10/20/1981US4295789 Cover plates for tank heads
10/14/1981EP0037637A1 A pump with means for adjusting the clearances between the impeller and the housing
10/06/1981US4293288 Submersible pump housing
09/1981
09/30/1981EP0036714A1 Axial-flow rotary compressor
09/29/1981US4292055 Turbine, rotary disks
09/17/1981WO1981002613A1 Improvements in or relating to pumps
09/16/1981EP0035891A1 Face seal system
09/16/1981EP0035838A1 Diffusion apparatus
09/15/1981US4289457 Combination sea valve and deballast pump
09/15/1981US4289450 Rotor for operation in a flow medium
09/15/1981US4289449 Fan wheel for electric machinery
09/15/1981US4289445 Rotary pump assembly
09/15/1981US4289320 Face seal for washer tub and water pump
09/15/1981US4289317 Pump shaft closure
09/08/1981US4288204 Support for multi-stage compressors
09/08/1981US4288202 Fan having internal polyhedral strut frame
09/08/1981US4287758 Shaft mounting device and method
09/08/1981CA1108571A1 Fan
09/08/1981CA1108379A1 Apparatus for cleaning gaseous fluids
09/02/1981EP0034909A1 Discharge outlet coupling and guiderail assembly for submersible pumps
09/01/1981CA1108012A1 Oilroom
09/01/1981CA1108011A1 Articulated turbine pump
08/1981
08/25/1981US4285635 Impeller in a centrifugal blower
08/25/1981US4285631 Radial flow centrifugal impeller
08/11/1981US4283645 Electrical drive motor, in particular for water pumps in the field of aquaria
08/11/1981CA1106811A1 Stall stabilizer for a centrifugal fan
08/11/1981CA1106697A1 Submersible pump arrangement
08/06/1981WO1981002184A1 Pump safety device
08/05/1981EP0033272A1 Safeguarding device for a pump
08/04/1981US4281973 Case structure for rotary machines
08/04/1981US4281963 Apparatus for the conveyance and/or treatment of hot gases
08/04/1981CA1106332A1 Automotive cooling fan with biased flexible blades
08/04/1981CA1106331A1 Axial fan
08/04/1981CA1106290A1 Reduced drag airfoil platforms
08/04/1981CA1106238A1 High pressure pump with seal ring
08/04/1981CA1106237A1 Modified volute pump casing
07/1981
07/29/1981EP0032885A1 Regenerative pump with tangential outlet
07/29/1981EP0032601A1 Blower for pneumatic transportation
07/22/1981EP0032433A1 Means for cooling positive clearance radial face seals
07/22/1981EP0032348A1 Vortex pump
07/21/1981US4279571 Pitot pump with fluid lubricated bearings
07/21/1981US4279452 Bearing assembly
07/21/1981US4279325 Acoustic treatment for fans