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HOT GAS PATH COMPONENT TRAILING EDGE HAVING NEAR WALL COOLING FEATURES

United States Patent Application

20160362985
A1
View the Complete Application at the US Patent & Trademark Office
A hot gas path component includes a substrate having an outer surface and an inner surface. The inner surface defines an interior space. The outer surface defines a pressure side surface and a suction side surface. The pressure and suction side surfaces are joined together at a leading edge and at a trailing edge. A first cooling passage is formed in the suction side surface of the substrate. It is coupled in flow communication to the interior space. A second cooling passage, separate from the first cooling passage, is formed in the pressure side surface. The second cooling passage is coupled in flow communication to the interior space. A cover is disposed over at least a portion of the first and second cooling passages. The interior space channels a cooling fluid to the first and second cooling passages, which channel the cooling fluid therethrough to remove heat from the component.
Lacy, Benjamin Paul (Greer, SC), Kottilingam, Srikanth Chandrudu (Simpsonville, SC), Miranda, Carlos Miguel (Greer, SC), Itzel, Gary Michael (Simpsonville, SC)
14/ 739,944
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.