Low-power bowed rotor prevention and monitoring system
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United States of America Patent
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Sep 29, 2020
Grant Date -
Dec 21, 2017
app pub date -
Jun 20, 2016
filing date -
Jun 20, 2016
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Abstract
A bowed rotor prevention system for a gas turbine engine includes a core turning motor operable to drive rotation of an engine core of the gas turbine engine. The bowed rotor prevention system also includes a full authority digital engine control (FADEC) that controls operation of the gas turbine engine in a full-power mode and controls operation of the core turning motor to drive rotation of the engine core using a reduced power draw when the FADEC is partially depowered in a low-power bowed rotor prevention mode.
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