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HOT GAS PATH COMPONENT AND METHODS OF MANUFACTURE

United States Patent Application

20160186575
A1
View the Complete Application at the US Patent & Trademark Office
Various embodiments of the disclosure include a turbomachine component. and methods of forming such a component. Some embodiments include a turbomachine component including: a first portion including at least one of a stainless steel or an alloy steel; and a second portion joined with the first portion, the second portion including a nickel alloy including an arced cooling feature extending therethrough, the second portion having a thermal expansion coefficient substantially similar to a thermal expansion coefficient of the first portion, wherein the arced cooling feature is located within the second portion to direct a portion of a coolant to a leakage area of the turbomachine component.
Lacy, Benjamin Paul (Greer, SC), Kottilingam, Srikanth Chandrudu (Simpsonville, SC), Porter, Christopher Donald (Greenville, SC), Schick, David Edward (Greenville, SC)
14/ 584,442
December 29, 2014
GOVERNMENT LICENSE RIGHTS [0001] This invention was made with Government support under contract number DE-FC26-05NT42643, awarded by the Department of Energy. The government has certain rights in the invention.