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Turbine vane segment and impingement insert configuration for fail-safe impingement insert retention

United States Patent

May 13, 2003
View the Complete Patent at the US Patent & Trademark Office
An impingement insert sleeve is provided that is adapted to be disposed in a coolant cavity defined through a stator vane. The insert has a generally open inlet end and first and second pairs of diametrically opposed side walls, and at least one fail-safe tab defined at a longitudinal end of the insert for limiting radial displacement of the insert with respect to the stator vane.
Burdgick; Steven Sebastian (Schenectady, NY), Kellock; Iain Robertson (Greenville, SC)
General Electric Company (Schenectady, NY)
09/ 682,195
August 3, 2001
FEDERAL RESEARCH STATEMENT The Government may have certain rights in this invention pursuant to Contract No. DE-FC21-95MC31176 awarded by the U.S. Department of Energy.