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Turbine assembly containing an inner shroud

United States Patent

6,113,349
September 5, 2000
View the Complete Patent at the US Patent & Trademark Office
A turbine assembly having a turbine stator, a ceramic inner shroud, and a first spring. The stator has a longitudinal axis and an outer shroud block with opposing and longitudinally outward facing first and second sides. The first side has a longitudinally outward projecting first ledge and has a first side portion located radially outward of the first ledge. The ceramic inner shroud has a first hook portion longitudinally and radially surrounding the first ledge. The first spring is attached to one of the first side portion and the first hook portion and unattachedly and resiliently contacts the other of the first side portion and the first hook portion.
Bagepalli; Bharat Sampathkumaran (Niskayuna, NY), Corman; Gregory Scot (Ballston Lake, NY), Dean; Anthony John (Scotia, NY), DiMascio; Paul Stephen (Clifton Park, NY), Mirdamadi; Massoud (Niskayuna, NY)
General Electric Company (Schenectady, NY)
09/ 300,691
April 27, 1999
The U.S. Government may have certain rights in this invention pursuant to contract number DEFC02-92-CE41000 awarded by the U.S. Department of Energy .