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Leaf seal for transition duct in turbine system

United States Patent

8,459,041
June 11, 2013
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 member for interfacing with a turbine section. The turbine system further includes a leaf seal contacting the interface member to provide a seal between the interface member and the turbine section.
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/ 292,366
20130111911
November 9, 2011
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.