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Combustor liner cooling system

  • US 8,499,566 B2
  • Filed: 08/12/2010
  • Issued: 08/06/2013
  • Est. Priority Date: 08/12/2010
  • Status: Active Grant
First Claim
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1. A combustor liner comprising:

  • an upstream portion;

    a downstream end portion extending from the upstream portion along a generally longitudinal axis, the downstream end portion including an inner surface and an outer surface, the inner surface defining a plurality of microchannels, each of the plurality of microchannels extending longitudinally along the inner surface, the downstream end portion further defining a plurality of passages extending between the inner surface and the outer surface, wherein the plurality of microchannels are fluidly connected to the plurality of passages such that each of the plurality of passages is directly connected to one of the plurality of microchannels; and

    a cover layer associated with the inner surface of the downstream end portion,wherein the plurality of microchannels are configured to flow a cooling medium therethrough, cooling the combustor liner.

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