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Flexible cloth seal assembly

United States Patent

June 29, 1999
View the Complete Patent at the US Patent & Trademark Office
A seal assembly having a flexible cloth seal which includes a shim assemblage surrounded by a cloth assemblage. A first tubular end portion, such as a gas turbine combustor, includes a longitudinal axis and has smooth and spaced-apart first and second surface portions defining a notch therebetween which is wider at its top than at its bottom and which extends outward from the axis. The second surface portion is outside curved, and a first edge of the cloth seal is positioned in the bottom of the notch. A second tubular end portion, such as a first stage nozzle, is located near, spaced apart from, and coaxially aligned with, the first tubular end portion. The second tubular end portion has a smooth third surface portion which surrounds at least a portion of the first tubular end portion and which is contacted by the cloth seal.
Bagepalli; Bharat Sampathkumar (Niskayuna, NY), Taura; Joseph Charles (Clifton Park, NY), Aksit; Mahmut Faruk (Troy, NY), Demiroglu; Mehmet (Troy, NY), Predmore; Daniel Ross (Clifton Park, NY)
General Electric Company (Schenectady, NY)
08/ 934,549
September 22, 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.