Variable area fan nozzle with one or more integrated blocker doors
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United States of America Patent
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Jan 24, 2017
Grant Date -
Jan 30, 2014
app pub date -
Jul 24, 2013
filing date -
Jul 24, 2012
priority date (Note) -
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Abstract
A nacelle assembly for a turbofan engine includes a forward nacelle portion having an aft edge and defining a bypass duct that transports bypass airflow of the turbofan engine, a translatable sleeve that is translatable aft of the forward nacelle portion, and a variable area fan nozzle (VAFN) airfoil that is movable between a stowed position, a VAFN flow position, and a thrust reverse position. Blocker doors for the thrust position are integrated into the VAFN airfoil.
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