Combustor liner with reverse flow for gas turbine engine
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United States of America Patent
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Sep 28, 2010
Grant Date -
Jun 24, 2010
app pub date -
Jul 27, 2006
filing date -
Jul 27, 2006
priority date (Note) -
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Abstract
A combustor liner (231) for a gas turbine engine combustor (200) comprises an inner wall (232), an outer wall (238), a flow channel (244) formed there between, and an end-capping ring (246). The end-capping ring (246) is sealingly attached to the downstream end of the inner wall (232). In operation air passes within the end-capping ring (246), into the flow channel (244), and through holes (250) disposed in the inner wall (232). In some embodiments, an end-capping ring variation, a flow-diverting ring (357) comprises a plurality of holes (360) that, during gas turbine engine operation, may additionally dispense a flow of cooling air. One or more surfaces may be coated with a thermal barrier coating (237) to provide additional protection from thermal damage.
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