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Turbine repair process, repaired coating, and repaired turbine component

United States Patent

9,175,402
November 3, 2015
View the Complete Patent at the US Patent & Trademark Office
A turbine repair process, a repaired coating, and a repaired turbine component are disclosed. The turbine repair process includes providing a turbine component having a higher-pressure region and a lower-pressure region, introducing particles into the higher-pressure region, and at least partially repairing an opening between the higher-pressure region and the lower-pressure region with at least one of the particles to form a repaired turbine component. The repaired coating includes a silicon material, a ceramic matrix composite material, and a repaired region having the silicon material deposited on and surrounded by the ceramic matrix composite material. The repaired turbine component a ceramic matrix composite layer and a repaired region having silicon material deposited on and surrounded by the ceramic matrix composite material.
Das; Rupak (Greenville, SC), Delvaux; John McConnell (Fountain Inn, SC), Garcia-Crespo; Andres Jose (Greenville, SC)
General Electric Company (Schenectady, NY)
13/ 561,445
20140030464
July 30, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government retains license rights in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms by the terms of Government Contract No. DE-FC26-05NT42643 awarded by the United Stated Department of Energy.