Aircraft airfoil having a stitched trailing edge and manufacturing method thereof
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United States of America Patent
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Mar 23, 2021
Grant Date -
Aug 31, 2017
app pub date -
Feb 22, 2017
filing date -
Feb 29, 2016
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Abstract
A configuration and manufacturing method for a trailing edge of an aircraft airfoil, such as a control surface or a lifting surface is described. The trailing edge is formed and configured by upper and lower composite covers, which are stitched to each other with a metallic wire, such as the metallic wire is electrically in contact with upper and lower metallic meshes to provide electrical continuity between meshes. According to a method, upper and lower covers configuring the trailing edge, are stitched with the metallic wire before curing the covers, so that the metallic wire gets embedded within the composite material. A trailing edge for an aircraft airfoil, which is easy to manufacture and that at the same time fulfills aerodynamic, mechanical and electrical conductivity requirements is described.
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