Gas turbine engine variable area fan nozzle control
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United States of America Patent
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Oct 28, 2014
Grant Date -
Aug 1, 2013
app pub date -
Feb 3, 2012
filing date -
Jan 31, 2012
priority date (Note) -
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Abstract
A method of managing a gas turbine engine operating line includes detecting an air speed and a fan speed. A data table is referenced that includes a desired variable area fan nozzle position based upon air speed and fan speed. The detected air speed and detected fan speed are compared to the data table to determine a target variable area fan nozzle position. An actual variable area fan nozzle position is adjusted to the target variable area fan nozzle position.
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