Aircraft propeller assembly with blade pitch reset for ground id

Details Aircraft propeller assembly with blade pitch reset for ground id Aircraft propeller assembly with blade pitch reset for ground id

1990-02-26

1991-10-29

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With control means responsive to non-cyclic condition...

Impeller rotation speed responsive

416 48, 416 49, B64C 1140

Patent

active

050611534

ABSTRACT:
An aircraft propeller has adjustable pitch blades which are reset from a low pitch in-flight idle position to a lower pitch ground idle position by a beta feedback and reset mechanism. The reset mechanism includes a set of cam elements supported for movement in response to rotation of the blades and positioned to engage a follower plate adjustably mounted on the beta feedback control rods.

REFERENCES:
patent: 2694459 (1954-11-01), Biermann
patent: 3167131 (1965-01-01), Voisard
patent: 3249159 (1966-05-01), Biermann
patent: 3261405 (1966-07-01), Andrews
patent: 3380535 (1968-04-01), Biermann
patent: 3389640 (1968-06-01), Best et al.
patent: 3551069 (1970-12-01), Morris
patent: 3575529 (1971-04-01), Biermann
patent: 4097189 (1978-06-01), Harlamert
patent: 4648798 (1987-03-01), Voisard
patent: 4650402 (1987-03-01), Jones, Jr. et al.

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