Seal for a variable area fan nozzle
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United States of America Patent
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Aug 11, 2015
Grant Date -
Jul 4, 2013
app pub date -
Dec 29, 2011
filing date -
Dec 29, 2011
priority date (Note) -
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Abstract
A primary seal assembly for a variable area fan nozzle (VAFN) equipped turbofan engine includes a deformable seal and a seal retainer attached to the seal. The seal includes an inner wall and webs attached to the inner wall and extending transversely there-from. The inner wall and the webs extend circumferentially at least partially around a bypass duct of the turbofan engine. An inner surface of the inner wall interfaces with the VAFN when the VAFN is in the stowed position. The seal is compressed between the VAFN and the seal retainer when the VAFN is in the stowed position. And each of the webs is deformed into a non-planar configuration when the VAFN is in the stowed position.
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