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Low transient thermal stress turbine engine components

United States Patent

June 28, 2011
View the Complete Patent at the US Patent & Trademark Office
A turbine vane includes a platform; and at least one airfoil mounted to the platform and having a trailing edge and a leading edge, wherein the vane is composed of a functionally graded material having a first material and a second material, wherein the trailing edge includes a greater amount of the first material than the second material, and the leading edge includes a greater amount of the second material than the first material.
Shi; Jun (Glastonbury, CT), Schmidt; Wayde R. (Pomfret Center, CT)
United Technologies Corporation (Hartford, CT)
11/ 829,391
July 27, 2007
GOVERNMENT RIGHTS The United States Government may have certain rights in the invention pursuant to contract number DE-FC02-00CH11060 awarded by the Department of Energy.