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HOT GAS PATH COMPONENT HAVING NEAR WALL COOLING FEATURES

United States Patent Application

*** PATENT GRANTED ***
20160363054
9,828,915
A1
View the Complete Application at the US Patent & Trademark Office
A method for providing micro-channels in a hot gas path component includes forming a first micro-channel in an exterior surface of a substrate of the hot gas path component. A second micro-channel is formed in the exterior surface of the hot gas path component such that it is separated from the first micro-channel by a surface gap having a first width. The method also includes disposing a braze sheet onto the exterior surface of the hot gas path component such that the braze sheet covers at least of portion of the first and second micro-channels, and heating the braze sheet to bond it to at least a portion of the exterior surface of the hot gas path component.
Miranda, Carlos Miguel (Greer, SC), Kottilingam, Srikanth Chandrudu (Simpsonville, SC), Lacy, Benjamin Paul (Greer, SC)
14/ 739,849
June 15, 2015
FEDERAL RESEARCH STATEMENT [0001] The subject matter of this disclosure was made with Government support under Contract No. DE-FC26-05NT42643, awarded by the Department of Energy (DOE), and the Government has certain rights in the subject matter claimed herein.