Constant-speed pump system for engine thermal management system AOC reduction and environmental control system loss elimination
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United States of America Patent
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Oct 6, 2015
Grant Date -
Sep 19, 2013
app pub date -
Mar 14, 2012
filing date -
Mar 14, 2012
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Abstract
A gas turbine engine has a spool, a towershaft connected to the spool and an impeller pump. An integrated drive pump is connected to the towershaft and to the impeller pump for driving the impeller pump at a constant speed. The integrated drive pump is positioned on an engine core. The gas turbine engine includes a fan and a bypass duct located between a cowl and the engine core. The gas turbine engine includes an intake manifold for the impeller pump, and the intake manifold receives air from the bypass duct.
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