System and method of reducing post-shutdown engine temperatures
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United States of America Patent
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Oct 19, 2021
Grant Date -
Jul 6, 2017
app pub date -
Dec 30, 2015
filing date -
Dec 30, 2015
priority date (Note) -
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Abstract
A cooling system configured to reduce a temperature within a gas turbine engine in a shutdown mode of operation includes a first gas turbine engine including a compressor having a bleed port. In a first operating mode of the gas turbine engine, the compressor bleed port is configured to channel a high pressure flow of air from the compressor. During a shutdown mode of operation, the compressor bleed port is configured to channel an external flow of cooling air into the compressor. The cooling system also includes a source of cooling air and a conduit coupled in flow communication between the compressor bleed port and the source of cooling air. The source of cooling air configured to deliver a flow of cooling air into the compressor through the compressor bleed port.
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