Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Impeller rotation speed responsive
Patent
1988-05-20
1990-04-03
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
With control means responsive to non-cyclic condition...
Impeller rotation speed responsive
416129, 416139, B64C 1134
Patent
active
049136232
ABSTRACT:
A pitch feathering system for a gas turbine driven aircraft propeller having multiple variable pitch blades utilizes a counter-weight linked to the blades. The weight is constrained to move, when effecting a pitch change, only in a radial plane and about an axis which rotates about the propeller axis. The system includes a linkage allowing the weight to move through a larger angle than the associated pitch change of the blade.
REFERENCES:
patent: Re24530 (1958-09-01), Biermann
patent: 1829443 (1931-10-01), Gobereau et al.
patent: 2032254 (1936-02-01), Caldwell
patent: 2054947 (1936-09-01), Riddle
patent: 2146334 (1939-02-01), De Caria
patent: 2353334 (1944-07-01), Haugh
patent: 2607430 (1952-08-01), Dean
patent: 3794442 (1974-02-01), McMurtry
patent: 4111601 (1978-09-01), Richard
Adamson Arthur P.
Bathori Julius
Schilling Jan C.
Walker Neil
General Electric Company
Herkamp Nathan D.
Powell Jr. Everette A.
Squillaro Jerome C.
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