Method of operating a gas turbine engine
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United States of America Patent
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Dec 14, 1999
Grant Date -
N/A
app pub date -
Dec 23, 1997
filing date -
Dec 23, 1997
priority date (Note) -
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Abstract
The present invention provides a method of maintaining fan airflow at 100% for throttle transients from 100% military power to 30% thereof by increasing exhaust nozzle area as the fuel flow the engine decreases until the exhaust nozzle reaches its fully open position. Subsequent reductions in fuel flow produce a commensurate reduction fan airflow.
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