Method and system to ensure full oil tubes after gas turbine engine shutdown
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United States of America Patent
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Mar 30, 2021
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N/A
app pub date -
May 18, 2020
filing date -
Apr 24, 2017
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Abstract
A method of operating a lubrication system for a gas turbine engine includes pumping a lubricant from a supply conduit to a bearing compartment. A pressure differential in the bearing compartment. The supply conduit is evacuated in response to the pressure differential creating step. The supply conduit is refilled with the lubricant from a reservoir conduit fluidly joined to the supply conduit at a junction by gravitationally draining the reservoir conduit.
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