Foldable propulsion system

Details Foldable propulsion system Foldable propulsion system

1989-06-19

1990-12-25

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Working member foldable, pivotable or collapsible to non-use...

Member movement in rotation plane

416 87, 416140, 244 329, B64C 2750

Patent

active

049798766

ABSTRACT:
An improved blade folding system for a propfan propulsion system comprises a fan blade journaled for rotation from a folded position substantially tangentially related to the housing of an engine to a radially extending run condition.

REFERENCES:
patent: 2608257 (1952-08-01), Godfrey
patent: 3047726 (1962-07-01), Warnken
patent: 3633850 (1972-01-01), Feldman
patent: 3853288 (1974-12-01), Bode
patent: 3957229 (1976-05-01), Davis

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