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Sequential cooling insert for turbine stator vane

United States Patent

April 1, 2014
View the Complete Patent at the US Patent & Trademark Office
A sequential impingement cooling insert for a turbine stator vane that forms a double impingement for the pressure and suction sides of the vane or a triple impingement. The insert is formed from a sheet metal formed in a zigzag shape that forms a series of alternating impingement cooling channels with return air channels, where pressure side and suction side impingement cooling plates are secured over the zigzag shaped main piece. Another embodiment includes the insert formed from one or two blocks of material in which the impingement channels and return air channels are machined into each block.
Jones; Russell B (North Palm Beach, FL), Krueger; Judson J (Jupiter, FL), Plank; William L (Tequesta, FL)
Florida Turbine Technologies, Inc. (Jupiter, FL)
13/ 685,053
November 26, 2012
FEDERAL RESEARCH STATEMENT This invention was made with Government support under contract number DE-FE-0006696 awarded by Department of Energy. The Government has certain rights in the invention.