Fluid reaction surfaces (i.e. – impellers) – Interrelated controls for impeller and drive means – Pitch adjustment and throttle regulation with condition...
Patent
1974-06-07
1976-01-13
Gordon, Clarence R.
Fluid reaction surfaces (i.e., impellers)
Interrelated controls for impeller and drive means
Pitch adjustment and throttle regulation with condition...
416 29, 416 30, 60 3916R, 60 3928R, 60226A, 60236, 60239, B63H 310, F02C 902, B64C 1144
Patent
active
039320588
ABSTRACT:
A control for a variable pitch fan propulsor driven by a turbine type of power plant which fan is mounted in an engine bypass duct having a variable exit nozzle. The control serves to coordinate the control of fuel flow to the engine, the area of the fan exit nozzle, and the pitch of the fan blades by biasing the power lever position signal with Flight Mach No. An additional feature is the inclusion of fan surge control derived from signals of flight Mach No. and corrected free turbine speed.
REFERENCES:
patent: 3686860 (1972-08-01), White
patent: 3761042 (1973-09-01), Denning
patent: 3797233 (1974-03-01), Webb et al.
patent: 3854287 (1974-12-01), Rembold
Harner Kermit I.
Schneider Roy W.
Del Ponti John D.
Gordon Clarence R.
United Technologies Corporation
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