Propulsion system for an aircraft
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United States of America Patent
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Oct 13, 2020
Grant Date -
Dec 13, 2018
app pub date -
Jun 9, 2017
filing date -
Jun 9, 2017
priority date (Note) -
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Abstract
A hybrid electric propulsion system includes a gas turbine engine and an electric machine coupled to the gas turbine engine. A method for operating the propulsion system includes determining, by one or more computing devices, a baseline power output for the gas turbine engine; operating, by the one or more computing devices, the gas turbine engine to provide the baseline power output; determining, by the one or more computing devices, a desired power output greater than or less than the baseline power output; and providing, by the one or more computing devices, power to, or extracting, by the one or more computing devices, power from, the gas turbine engine using the electric machine such that an effective power output of the gas turbine engine matches the determined desired power output.
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