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US 11,235,854 B2Granted
Shutter door mechanism for wing leading edge slat cut-outs
AssigneeYaborã IndúStria AeronáUtica S.A.
InventorsAndre Ganam de Queiroz, Alexandre Takao Motoyama, Azelio Pasquini, Douglas Carrari Firming, Egon dos Santos Borges, Henrique Fonseca de Araujo, Luiz Flavio Fernandes, Nilson Luiz David
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Abstract
An aircraft wing is provided with a shutter mechanism to close a cut-out opening in the leading edge of the wing when a leading edge wing slat associated with the wing leading edge is moved to a deployed condition.
Claims14
An aircraft wing comprising:
- a wing leading edge;
- a cut-out opening in the wing leading edge;
- and
- a shutter mechanism to close the cut-out opening when a wing leading edge slat is moved from a retracted condition to a deployed condition thereof, wherein the shutter mechanism comprises:
- (i) a shutter door sized and configured to substantially close the cut-out opening when moved from a retracted position to an extended position thereof;
- (ii) a linkage assembly comprising a support shaft and having an upper end pivotally connected to the shutter door and a lower end connected to the support shaft for rotational movements about a pivot axis defined by the support shaft;
- and
- (iii) a torsion spring assembly operatively connected to the support shaft and exerting a bias force on the linkage assembly in a direction to move the shutter door from the retracted position thereof and into the extended position thereof.
5 more elements
Dependencies are inferred from the claim text.