Flutter sensing system for a gas turbine engine
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United States of America Patent
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Feb 11, 2014
Grant Date -
May 10, 2012
app pub date -
Jan 9, 2012
filing date -
Mar 5, 2007
priority date (Note) -
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Abstract
An exemplary gas turbine engine assembly includes a fan casing within a nacelle, a variable area fan nozzle. A controller is operable to move the variable area fan nozzle to influence a discharge airflow area associated with the variable area fan nozzle in response to an airfoil flutter condition. A gear train reduces a rotational speed of a fan in the gas turbine engine relative to another portion of the gas turbine engine.
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