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Hot gas path component cooling system

United States Patent

February 18, 2014
View the Complete Patent at the US Patent & Trademark Office
A cooling system for a hot gas path component is disclosed. The cooling system may include a component layer and a cover layer. The component layer may include a first inner surface and a second outer surface. The second outer surface may define a plurality of channels. The component layer may further define a plurality of passages extending generally between the first inner surface and the second outer surface. Each of the plurality of channels may be fluidly connected to at least one of the plurality of passages. The cover layer may be situated adjacent the second outer surface of the component layer. The plurality of passages may be configured to flow a cooling medium to the plurality of channels and provide impingement cooling to the cover layer. The plurality of channels may be configured to flow cooling medium therethrough, cooling the cover layer.
Lacy; Benjamin Paul (Greer, SC), Bunker; Ronald Scott (Niskayuna, NY), Itzel; Gary Michael (Simpsonville, SC)
General Electric Company (Schenectady, NY)
12/ 765,372
April 22, 2010
FEDERAL RESEARCH STATEMENT This invention was made with Government support under contract number DE-FC26- 05NT42643 awarded by the Department of Energy. The Government may have certain rights in the invention.