Landing gear door with controlled kinematic control

Details Landing gear door with controlled kinematic control Landing gear door with controlled kinematic control

2005-02-03

2008-03-04

Eldred, J. W (Department: 3641)

Aeronautics and astronautics

Landing gear

Retractable

C244S1020SS

Reexamination Certificate

active

07338012

ABSTRACT:
An aircraft landing gear door comprises a rigid one-piece panel (14), hinged onto the aircraft structure by arms (18). The panel (14) is installed such that it pivots on the arms (18) in order to prevent any risk of contact between the panel (14) and the wheels (40) as the door opens and closes when the landing gear is extended, and a jack (34) automatically varies the angle Φ formed between these two parts, according to a predetermined kinematic law. A control system (28) automatically controls the jack (34) as a function of the jack (26) being actuated to control opening and closing of the door.

REFERENCES:
patent: 2457625 (1948-12-01), Amiot
patent: 2731221 (1956-01-01), Holton
patent: 6352221 (2002-03-01), Sakurai
patent: 6499694 (2002-12-01), Roloff
patent: 6854689 (2005-02-01), Lindahl et al.
patent: 1 129 938 (2001-09-01), None
patent: 1 129 939 (2001-09-01), None
patent: 1 220 130 (1971-01-01), None
patent: WO 01/56878 (2001-08-01), None

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