US 12,486,020 B2
Leading-edge droop actuation system
Kyle Steven Wydock, Everett, WA (US); Ramón Burin, Lake Stevens, WA (US); John A. Standley, Seattle, WA (US); Mark Steven Good, Seattle, WA (US); and Samuel Block, Bothell, WA (US)
Assigned to THE BOEING COMPANY, Arlington, VA (US)
Filed by THE BOEING COMPANY, Arlington, VA (US)
Filed on Dec. 8, 2023, as Appl. No. 18/533,603.
Prior Publication US 2025/0187718 A1, Jun. 12, 2025
Int. Cl. B64C 9/34 (2006.01); B64C 3/50 (2006.01); B64C 9/14 (2006.01); B64C 13/36 (2006.01)
CPC B64C 9/34 (2013.01) [B64C 13/36 (2013.01); B64C 3/50 (2013.01); B64C 2009/143 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An aircraft comprising:
a wing;
a leading-edge aerodynamic surface coupled to the wing;
an actuator disposed within the wing and coupled to the leading-edge aerodynamic surface via a linkage system; and
two or more hinge systems coupled to the leading-edge aerodynamic surface and configured to rotate about a fixed axis internal to the wing to move the leading-edge aerodynamic surface between a retracted position and a drooped position, wherein each of the two or more hinge systems comprises a hinge arm configured to have a multi-point attachment, wherein the multi-point attachment includes a first point of attachment coupled to a first bracket and a second point of attachment coupled to a second bracket, wherein the first bracket and the second bracket are each coupled to the leading-edge aerodynamic surface.