Mechanism for at least regionally adjusting the curvature of airfoil wings
First Claim
1. A variable wing section having an adjustable profile shape extending in a wing-span direction, comprising:
- a plurality of torsion boxes arranged in a longitudinal direction of the wing section and torsionally stiff about the wing-span direction, each torsion box including a first wing skin, a second wing skin opposite the first wing skin and at least one spar; and
at least one vertebra including a transmission element connected to the first wing skin by a pendulum joint configured to compensate for a relative movement between the first wing skin and the at least one vertebra, the at least one vertebra including a vertically spaced-apart point of connection to at least one drive chord having a length changeable in accordance with a control command;
wherein the length of the drive chord is configured to change as a function of a control signal; and
wherein the at least one vertebra is configured to rotate about the wing-span direction so that a shape of the torsion boxes and the profile shape are changed in a predetermined manner.
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Accused Products
Abstract
A variable wing section having an adjustable profile shape extending in the wing-span direction, includes a plurality of torsion boxes, which are positioned in the longitudinal direction, are torsionally stiff about the wing-span direction, and are each constituted of a first wing skin, a second wing skin opposite to it, and at least one spar. The variable wing section includes at least one vertebra, which has a transmission element that is connected to the first wing skin by a pendulum joint in order to compensate for a relative movement between the first wing skin and the at least one vertebra, and which has a vertically spaced-apart point of connection to a drive chord, the length of which may be changed, using a control command. The length of the drive chord is changed as a function of a control signal, and the at least one vertebra is rotated about the wing-span direction, so that the shape of the torsion boxes, and thus the profile shape, are changed in a predetermined manner.
89 Citations
9 Claims
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1. A variable wing section having an adjustable profile shape extending in a wing-span direction, comprising:
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a plurality of torsion boxes arranged in a longitudinal direction of the wing section and torsionally stiff about the wing-span direction, each torsion box including a first wing skin, a second wing skin opposite the first wing skin and at least one spar; and
at least one vertebra including a transmission element connected to the first wing skin by a pendulum joint configured to compensate for a relative movement between the first wing skin and the at least one vertebra, the at least one vertebra including a vertically spaced-apart point of connection to at least one drive chord having a length changeable in accordance with a control command;
wherein the length of the drive chord is configured to change as a function of a control signal; and
wherein the at least one vertebra is configured to rotate about the wing-span direction so that a shape of the torsion boxes and the profile shape are changed in a predetermined manner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification
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- Resources
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Current AssigneeEADS Deutschland GmbH (Airbus SE)
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Original AssigneeEADS Deutschland GmbH (Airbus SE)
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InventorsPerez, Juan
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Primary Examiner(s)Poon, Peter M.
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Assistant Examiner(s)Collins, Timothy D
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Application NumberUS10/008,779Publication NumberTime in Patent Office728 DaysField of Search244/219, 244/213, 244/214, 244/215, 244/216, 244/75.R, 244/211, 244/212US Class Current244/219CPC Class CodesB64C 3/48 by relatively-movable parts...
