Thrust reverser-cascade two door pre-exit

Details Thrust reverser-cascade two door pre-exit Thrust reverser-cascade two door pre-exit

1978-03-13

1980-01-29

Barefoot, Galen L.

Aeronautics and astronautics

Retarding and restraining devices

Friction brakes

23926529, 23926531, 60226A, B64C 1504

Patent

active

041857984

ABSTRACT:
A thrust reverser for a fan jet engine enclosed by an engine nacelle. The nacelle has a forward section fixed to the aircraft structure and a rearward translatable section attached to the forward section. The nacelle forming a secondary fan nozzle. A pair of blocker doors are pivotally attached to the rearward translatable nacelle section. Drag links are pivotally attached to the forward nacelle section and one of the drag link connects to each blocker door. A cascade ring is fixedly attached to the rear nacelle section and is translatable therewith for positioning within the opening between the nacelle portions when the rearward section is in a translated position. An air motor with drive connections to a plurality of ball-screw actuators provides the means for uniformly translating the rearward section. A recess in the inner surface of the rearward section is provided for the stowing of the links in a position out of the engine gas flow stream when the rearward section is in its stowed forward position.

REFERENCES:
patent: 2950595 (1960-08-01), Laucher et al.
patent: 3434666 (1969-03-01), Shaw
patent: 3616648 (1971-11-01), Weise

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