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Convolution seal for transition duct in turbine system

United States Patent

May 26, 2015
View the Complete Patent at the US Patent & Trademark Office
A turbine system is disclosed. In one embodiment, the turbine system includes a transition duct. The transition duct includes an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis. The outlet of the transition duct is offset from the inlet along the longitudinal axis and the tangential axis. The transition duct further includes an interface feature for interfacing with an adjacent transition duct. The turbine system further includes a convolution seal contacting the interface feature to provide a seal between the interface feature and the adjacent transition duct.
Flanagan; James Scott (Simpsonville, SC), LeBegue; Jeffrey Scott (Simpsonville, SC), McMahan; Kevin Weston (Greer, SC), Dillard; Daniel Jackson (Greenville, SC), Pentecost; Ronnie Ray (Travelers Rest, SC)
General Electric Company (Schenectady, NY)
13/ 459,533
April 30, 2012
This invention was made with government support under contract number DE-FC26-05NT42643 awarded by the Department of Energy. The government has certain rights in the invention.