Combustor dome heat shield
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United States of America Patent
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May 29, 2018
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N/A
app pub date -
Nov 20, 2013
filing date -
Nov 20, 2013
priority date (Note) -
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Abstract
A combustor heat shield has lips with fins distributed on the lips. The lip-fins have an extended end portion projecting rearwardly from the back face of the heat shield. Impingement jets may be directed against the rearwardly extended end portions of the lip-fins to enhance cooling. The heat shield may define a fuel nozzle opening surrounded by a rail on the back side of the heat shield. Impingement holes or slots may be defined in the rail for allowing cooling air passing therethrough to impinge upon the lip-fins.
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