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Transition duct with divided upstream and downstream portions

United States Patent

July 14, 2015
View the Complete Patent at the US Patent & Trademark Office
Turbine systems are provided. In one embodiment, a turbine system includes a transition duct comprising an inlet, an outlet, and a duct 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 duct passage includes an upstream portion extending from the inlet and a downstream portion extending from the outlet. The turbine system further includes a rib extending from an outer surface of the duct passage, the rib dividing the upstream portion and the downstream portion.
McMahan; Kevin Weston (Greer, SC), LeBegue; Jeffrey Scott (Simpsonville, SC), Maldonado; Jaime Javier (Simpsonville, SC), Dillard; Daniel Jackson (Greenville, SC), Flanagan; James Scott (Simpsonville, SC)
General Electric Company (Schenectady, NY)
13/ 848,204
March 21, 2013
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.