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Gas-path leakage seal for a turbine

United States Patent

August 10, 1999
View the Complete Patent at the US Patent & Trademark Office
A gas-path leakage seal for generally sealing a gas-path leakage-gap between spaced-apart first and second members of a turbine (such as combustor casing segments of a gas turbine). The seal includes a flexible and generally imperforate metal sheet assemblage having opposing first and second surfaces and two opposing raised edges extending a generally identical distance above and below the surfaces. A first cloth layer assemblage has a thickness generally equal to the previously-defined identical distance and is superimposed on the first surface between the raised edges. A second cloth layer assemblage is generally identical to the first cloth layer assemblage and is superimposed on the second surface between the raised edges.
Bagepalli; Bharat Sampathkumaran (Niskayuna, NY), Aksit; Mahmut Faruk (Troy, NY), Farrell; Thomas Raymond (Simpsonville, SC)
General Electric Company (Schenectady, NY)
08/ 888,823
July 7, 1997
This invention was made with Government support under Government Contract No. DEFC21-95-MC31176 awarded by the Department of Energy. The Government has certain rights to this invention.