Jam tolerant rotary actuation system

Details Jam tolerant rotary actuation system Jam tolerant rotary actuation system

1982-09-03

1987-08-25

Barefoot, Galen

Aeronautics and astronautics

Aircraft control

244213, 74411, 74665L, 74665R, 74661, B64C 1334

Patent

active

046887440

ABSTRACT:
This invention relates to a jam tolerant rotary actuation system having multiple flight control surfaces. The actuation system includes in combination an actuation mechanism for each flight control surface. Each actuation mechanism is releaseably coupled to a main drive line shaft. The main drive line shaft is mechanically, serially coupled to each actuation mechanism to thereby establish an actuation assembly.
A power drive unit is provided and is drivingly coupled to either end of the actuation assembly to thereby create an actuation system that will respond to the jamming of one of the flight control surfaces by the release of the actuation mechanism associated with the jammed surface from the main drive line shaft and the actuation of the remaining surfaces by the power drive unit.

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patent: 4260121 (1981-04-01), Baston et al.
patent: 4441675 (1984-04-01), Boehringer et al.

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