Three-position variable camber Krueger leading edge flap

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5158252
SERIAL NO

07782525

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A variable camber flap assembly having first and second operative positions. A rotatable drive arm powers first and second linkage subassemblies. The first linkage subassembly extends the flap panel in a downward and forward direction to its operative positions, and also rotates a hinged bullnose outwardly so as to foreshorten the distance between the leading and trailing edges of the flexible flap panel, increasing the camber of the flap. The second linkage subassembly cooperates with the first to angularly orientate the flap panel in its operative positions, and also positions the trailing edge of the panel relative to the leading edge of the airfoil. In the first operative position the trailing edge of the panel is spaced forwardly from the leading edge of the airfoil so as to form an aerodynamic slot; in the second operative position the flap panel is drawn rearwardly so that its trailing edge forms an aerodynamic seal with the airfoil.

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Patent Owner(s)

Patent OwnerAddress
BOEING COMPANY THE A CORP OF DE7755 MARGINAL WAY SOUTH SEATTLE WA 98124

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sakurai, Seiya Seattle, WA 93 1738

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