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Sealing apparatus for airfoils of gas turbine engines

United States Patent

*** EXPIRED ***
May 19, 1998
View the Complete Patent at the US Patent & Trademark Office
An improved airfoil tip sealing apparatus is disclosed wherein brush seals are attached to airfoil tips with the distal ends of the brush seal fibers sealingly contacting opposing wall surfaces. Embodiments for variable vanes, stators and both cooled and uncooled turbine blade applications are disclosed.
Jones; Russell B. (San Diego, CA)
Solar Turbines Incorporated (San Diego, CA)
08/ 770,757
December 19, 1996
The Government of the United States of America has rights in this invention pursuant to Contract No. DE-AC21-93MC30246 awarded by the U.S. Department of Energy.