System for controlling the high-lift flaps of an aircraft

Details System for controlling the high-lift flaps of an aircraft System for controlling the high-lift flaps of an aircraft

1987-11-06

1988-12-06

Barefoot, Galen

Aeronautics and astronautics

Aircraft control

Pilot operated

244 75R, 244213, B64C 1310, B64C 1340

Patent

active

047891190

ABSTRACT:
This invention relates to a system for controlling the high-lift flaps of an aircraft subjected to the blast of at least one engine. The system includes reversible hydraulic jacks for actuating the flaps arranged so that each flap is actuated by a jack and each of the two chambers of one jack are connected to the corresponding chamber of the other jack, as well as to an orifice in a hydraulic fluid distributing unit, so that the supply and exhaust of the corresponding chambers of the jacks are respectively simultaneous. The high-lift flaps are connected by a mechanical torsional connection which allows a dissymetry of position of the high-lift flaps in extended position. A safety system is also provided to block the high-lift flaps in position as soon as the extent of dissymetry of position between the high-lift flaps in extended position reaches a predetermined threshold.

REFERENCES:
patent: 2745357 (1956-05-01), Strayer
patent: 4143839 (1979-03-01), Anator et al.
patent: 4441675 (1984-04-01), Boehringer et al.

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