Patents for F01D 7 - Rotors with blades adjustable in operation; Control thereof (641)
12/1986
12/23/1986US4630999 Axial fan
12/03/1986EP0203881A1 Ducted prop engine
11/1986
11/11/1986US4621978 For a gas turbine engine
07/1986
07/31/1986WO1986004385A1 Ram air turbine
04/1986
04/02/1986EP0175809A1 Rotor for an axial-flow ventilating fan having individually adjustable blades
04/01/1986US4579510 Axial flow fan impeller
03/1986
03/25/1986US4578019 Ram air turbine
11/1985
11/26/1985US4555218 Turbo machine of the rotodynamic type
09/1985
09/10/1985US4540335 Controllable-pitch moving blade type axial fan
07/1985
07/02/1985CA1189795A1 Wind energy conversion system
06/1985
06/04/1985US4521158 Fluid-flow machine
04/1985
04/24/1985EP0138537A2 An axial flow fan impeller
04/24/1985EP0137873A1 Variable pitch axial flow fan
01/1985
01/22/1985US4495423 Wind energy conversion system
06/1984
06/20/1984EP0111049A1 Device for the adjustment of blades of variable pitch
04/1984
04/12/1984WO1984001406A1 Turbo machine of the rotodynamic type
04/04/1984EP0104343A1 Fluid flow machine with adjustable blades
12/1983
12/27/1983US4422826 Propeller runner having swivelling blades for turbines
12/07/1983EP0095908A2 Speed control apparatus
12/06/1983US4419050 Method and apparatus for controlling propeller pitch
09/1983
09/27/1983CA1154352A1 Adjustable blade pitch rotor for turbines
07/1983
07/19/1983US4394109 Arrangement and equipment for the displacement of blades, particularly propeller blades
03/1983
03/17/1983WO1983000899A1 Wind energy conversion system
04/1982
04/13/1982CA1121775A1 Impeller for a variable pitch axial flow fan
07/1981
07/28/1981US4280797 Method of controlling the supercharge pressure in an internal-combustion engine, and exhaust-gas turbosupercharger for performing the method
02/1981
02/17/1981US4251188 Four-blade rotor, especially for helicopters
12/1979
12/11/1979US4178127 Variable pitch impeller
01/1979
01/02/1979US4132503 Variable-pitch propeller
11/1978
11/07/1978US4124330 Cam-operated pitch-change apparatus
04/1978
04/04/1978US4082378 Deformable bearing seat
02/1978
02/28/1978US4076453 Bearing ring for blade of a controllable pitch propeller
09/1977
09/13/1977US4047842 Variable pitch mechanism for fan blades
09/06/1977US4046435 Bearing seat usable in a gas turbine engine
09/06/1977US4046434 Deformable bearing seat
07/1977
07/26/1977US4037986 Bladed rotors having control means for effecting blade pitch adjustment
11/1976
11/30/1976US3994128 Dual output variable pitch turbofan actuation system
08/1976
08/24/1976US3976397 Rotary actuators suitable for bladed rotors
07/1976
07/20/1976US3970410 Rotary actuators suitable for bladed rotors
06/1976
06/22/1976US3964839 Pitch change mechanism
05/1976
05/25/1976US3958887 Shaft couplings
03/1976
03/09/1976US3942911 Bladed rotors
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