Cuffed aircraft propeller

Details Cuffed aircraft propeller Cuffed aircraft propeller

1984-04-02

1987-02-10

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416239, 416245R, 244134A, B64C 1120, B64D 1500

Patent

active

046420282

ABSTRACT:
A variable pitch propeller is provided with a blade cuff, with a radially inner portion of the cuff formed in closely surrounding relation to the cylindrical shank of the blade, and with a nose portion of the cuff extending radially outwardly and smoothly flaring to the full cordwise dimension of the cuff, through the conventional blade opening in a spinner. The arrangement eliminates regions for ice entrapment or build-up, and permits a heater boot to be applied to the leading edge down to or even into the blade opening.

REFERENCES:
patent: 2289400 (1942-07-01), Woods
patent: 2309466 (1943-01-01), Martin
patent: 2408677 (1946-10-01), Owner
patent: 2592214 (1952-04-01), Wallace
patent: 2614638 (1952-10-01), Beaupre
patent: 2743890 (1956-05-01), La Rue
patent: 2793702 (1957-05-01), Cushman
patent: 2886112 (1959-05-01), Barish et al.
patent: 2924282 (1960-02-01), Perryman
patent: 2934150 (1960-04-01), Fink
patent: 4419053 (1983-12-01), Swearingen, Jr.

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