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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A turbine blade assembly includes a turbine blade having a pressure sidewall and an opposed suction sidewall and a first snubber assembly associated with one of the pressure sidewall and the suction sidewall. The first snubber assembly includes a first base portion extending outwardly from the one of the pressure sidewall and the suction sidewall, and a first snubber portion. The first base portion is integrally cast with the turbine blade and includes first connection structure. The first snubber portion is bicast onto the first base portion and includes second connection structure that interacts with the first connection structure to substantially prevent separational movement between the first base portion and the first snubber portion.
Messmann, Stephen John (Charlotte, NC), Campbell, Christian X. (Charlotte, NC), James, Allister William (Chuluota, FL), Morrison, Jay A. (Titusville, FL), Eshak, Daniel M. (Orlando, FL)
14/ 071,687
November 5, 2013
[0002] This invention was made with U.S. Government support under Contract Number DE-FC26-05NT42644 awarded by the U.S. Department of Energy. The U.S. Government has certain rights to this invention.