Spoiler deployment mechanism

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 9/32 (2006.01)

Patent

CA 2721251

An aircraft wing assembly comprising: a wing (1); a spoiler (2) pivotally attached to the wing; and a spoiler deployment mechanism. The deployment mechanism comprises a scissor linkage mechanism (7) comprising an upper link (9) pivotally attached to the spoiler at an upper pivot (10), and a lower link (11) pivotally attached to the wing at a lower pivot (10) and to the upper link (9) at a central pivot (13). An actuator (8) is pivotally attached to the wing at a proximal pivot and to the scissor linkage mechanism at a distal pivot. The actuator is adjustable between expanded and contracted configurations so as to vary the distance between the proximal and distal pivots. This opens up the angle between the upper (9) and lower (11) links of the scissor linkage mechanism and pushes the spoiler up into the air-stream above the wing.

Linvention concerne un ensemble aile daéronef comprenant : une aile (1); un spoiler (2) fixé de manière pivotante sur laile; et un mécanisme de déploiement de spoiler. Le mécanisme de déploiement comprend un mécanisme de liaison en ciseaux (7) comprenant une liaison supérieure (9) fixée de manière pivotante sur le spoiler au niveau dun pivot supérieur (10), et une liaison inférieure (11) fixée de manière pivotante sur laile au niveau dun pivot inférieur (12) et sur la liaison supérieure (9) au niveau d'un pivot central (13). Un actionneur (8) est fixé de manière pivotante sur laile au niveau dun pivot proximal et sur le mécanisme de liaison en ciseaux au niveau dun pivot distal. Lactionneur peut être ajusté entre des configurations déployée et contractée de manière à modifier la distance entre les pivots proximal et distal. Cela permet délargir langle entre les liaisons supérieure (9) et inférieure (11) du mécanisme de liaison en ciseaux et de relever le spoiler dans le flux dair au-dessus de laile.

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