DILUTION HOLES WITH RIDGE FEATURE FOR GAS TURBINE ENGINES
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United States of America
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Issued Date -
Dec 23, 2021
app pub date -
Sep 3, 2021
filing date -
Sep 3, 2021
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Abstract
A grommet may define a dilution hole in a combustor panel. The grommet may comprise a ridge having a stepped geometry formed about an inner diameter of the grommet, the ridge comprising a passage. The passage may comprise an outlet. The ridge may further comprise a fillet about the inner diameter of the grommet, wherein the outlet is configured to direct a cooling flow circumferentially along the fillet and fill the ridge with the cooling flow.
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