Aircraft undercarriage including a plurality of...

Details Aircraft undercarriage including a plurality of... Aircraft undercarriage including a plurality of...

2006-08-22

2010-12-21

Dinh, Tien (Department: 3644)

Aeronautics and astronautics

Landing gear

Wheel

Reexamination Certificate

active

07854411

ABSTRACT:
The invention relates to an aircraft undercarriage including a steerable bottom portion and a steering member suitable for turning the steerable bottom portion in response to a steering order. According to the invention, the steering member comprises a plurality of electromechanical steering actuators each having at least one main electric motor, and the actuators are disposed on the undercarriage so as to enable all of them to co-operate simultaneously with the steerable bottom portion in order to steer it, each of the electro-mechanical steering actuators including controllable coupling means for selectively placing the actuator either in a coupled state in which it is coupled with the steerable bottom portion , in which the main electric motor of the actuator is suitable for causing the steerable bottom portion to turn; or else in an uncoupled state in which it is uncoupled from the steerable bottom portion and in which the main electric motor of the actuator is isolated from the steerable bottom portion.

REFERENCES:
patent: 2906143 (1959-09-01), Walton
patent: 3954232 (1976-05-01), Harper
patent: 4575027 (1986-03-01), Cronin
patent: 4730788 (1988-03-01), Metcalf et al.
patent: 5086994 (1992-02-01), Donnelly et al.
patent: 5360185 (1994-11-01), Derrien
patent: 2677951 (1992-12-01), None
Patent Abstracts fo Japan vol. 015, No. 134(M-1099) Apr. 3, 1991 & JP 03016896 A (Mitsubishi Heavy Ind Ltd) Jan. 24, 1991.

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