Variable area fan nozzle with wall thickness distribution
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United States of America Patent
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May 28, 2019
Grant Date -
Mar 2, 2017
app pub date -
Jun 9, 2016
filing date -
Jan 31, 2012
priority date (Note) -
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Abstract
A gas turbine engine includes a core engine that has at least a compressor section, a combustor section and a turbine section disposed along a central axis. A fan is coupled to be driven by the turbine section. A fan nozzle is aft of the fan and defines an exit area. The fan nozzle has a body that defines an airfoil cross-section geometry. The body includes a wall that has a controlled mechanical property distribution that varies by location on the wall in accordance with a desired flutter characteristic at the location.
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