Gas turbine engine variable area exhaust nozzle
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United States of America Patent
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Apr 11, 2017
Grant Date -
Dec 12, 2013
app pub date -
Aug 13, 2013
filing date -
Nov 5, 2008
priority date (Note) -
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Abstract
A gas turbine engine variable area exhaust nozzle has a plurality of first and second movable members arranged circumferentially around a fan casing extending in downstream. The first and second movable members alternate around the variable area nozzle. During cruise conditions the first and second movable members are in un-actuated positions. At take off conditions the first movable members are in an actuated position and the second movable members are in the un-actuated position. At top of climb conditions the first movable members are in the un-actuated position and the second movable members are in an actuated position. The first movable members move radially outwardly from the un-actuated position to the actuated position and the second movable members move radially inwardly from the un-actuated position to the actuated position.
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