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Ceramic turbine nozzle

United States Patent

5,584,652
December 17, 1996
View the Complete Patent at the US Patent & Trademark Office
A turbine nozzle and shroud assembly having a preestablished rate of thermal expansion is positioned in a gas turbine engine and being attached to conventional metallic components. The metallic components having a preestablished rate of thermal expansion being greater than the preestablished rate of thermal expansion of the turbine nozzle vane assembly. The turbine nozzle vane assembly includes a plurality of segmented vane defining a first vane segment and a second vane segment. Each of the first and second vane segments having a vertical portion. Each of the first vane segments and the second vane segments being positioned in functional relationship one to another within a recess formed within an outer shroud and an inner shroud. The turbine nozzle and shroud assembly provides an economical, reliable and effective ceramic component having a preestablished rate of thermal expansion being less than the preestablished rate of thermal expansion of the other component.
Shaffer; James E. (Maitland, FL), Norton; Paul F. (San Diego, CA)
Solar Turbines Incorporated (San Diego, CA)
08/ 369,245
January 6, 1995
"The Government of the United States of America has rights in this invention pursuant to Contract No. DE-AC02-92CE40960 awarded by the U.S. Department of Energy."