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DUCTILE ALLOYS FOR SEALING MODULAR COMPONENT INTERFACES

United States Patent Application

*** PATENT GRANTED ***
20130004294
9,726,028
A1
View the Complete Application at the US Patent & Trademark Office
A vane assembly (10) having: an airfoil (12) and a shroud (14) held together without metallurgical bonding there between; a channel (22) disposed circumferentially about the airfoil (12), between the airfoil (12) and the shroud (14); and a seal (20) disposed in the channel (22), wherein during operation of a turbine engine having the vane assembly (10) the seal (20) has a sufficient ductility such that a force generated on the seal (20) resulting from relative movement of the airfoil (12) and the shroud (14) is sufficient to plastically deform the seal (20).
Marra, John J. (Winter Springs, FL), Wessell, Brian J. (Orlando, FL), James, Allister W. (Chuluota, FL), Marsh, Jan H. (Orlando, FL), Gear, Paul J. (Longwood, FL)
13/ 171,699
June 29, 2011
STATEMENT REGARDING FEDERALLY SPONSORED DEVELOPMENT [0001] Development for this invention was supported in part by Contract No. DE-FC26-05NT42644, awarded by the United States Department of Energy. Accordingly, the United States Government may have certain rights in this invention.