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Angel wing seals for blades of a gas turbine and methods for determining angel wing seal profiles

United States Patent

January 14, 2003
View the Complete Patent at the US Patent & Trademark Office
A gas turbine has buckets rotatable about an axis, the buckets having angel wing seals. The seals have outer and inner surfaces, at least one of which, and preferably both, extend non-linearly between root radii and the tip of the seal body. The profiles are determined in a manner to minimize the weight of the seal bodies, while maintaining the stresses below predetermined maximum or allowable stresses.
Wang; John Zhiqiang (Greenville, SC)
General Electric Company (Schenectady, NY)
09/ 987,696
November 15, 2001
This invention was made with Government support under Contract No. DE-FC21-95MC31176 awarded by the Department of Energy. The Government has certain rights in this invention.