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US 12,486,020 B2Granted
Leading-edge droop actuation system
AssigneeThe Boeing Company
InventorsKyle Steven Wydock, Ramón Burin, John A. Standley, Mark Steven Good, Samuel Block
Life of this patent
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Abstract
An aircraft includes a wing and a leading-edge aerodynamic surface coupled to the wing. An actuator is disposed within the wing and coupled to the leading-edge aerodynamic surface via a linkage system. Two or more hinge systems are 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.
Claims20
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.
2 more elements
A leading-edge droop actuation system comprising:
- an actuator configured to be disposed within a wing of an aircraft, wherein the actuator is configured to be coupled to a leading-edge aerodynamic surface of the aircraft via a linkage system;
- and
- two or more hinge systems configured to be coupled to the leading-edge aerodynamic surface to enable rotation 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.
A leading-edge droop actuation system comprising:
- a leading-edge aerodynamic surface;
- an actuator coupled to the leading-edge aerodynamic surface and configured to be disposed within a wing in an orientation that provides linear motion in a spanwise direction of the wing;
- a linkage system coupled to the actuator, the linkage system including a bell crank and one or more links coupled to the actuator and to the leading-edge aerodynamic surface;
- and
- two or more hinge arms coupled to the leading-edge aerodynamic surface and configured to be coupled to pivot points of the wing to enable rotation about a fixed axis internal to the wing to move the leading-edge aerodynamic surface between a retracted position and a drooped position, wherein at least one of the two or more hinge arms is 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.
2 more elements
Dependencies are inferred from the claim text.