ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,953, issued on Dec. 23, was assigned to RTX Corp. (Farmington, Conn.).
"Ceramic matrix composite component with coating" was invented by Juan Gomez (El Paso, Texas) and Nizar Zahed (Glastonbury, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blade outer air seal includes a center web having a radially inner face and a radially outer face, at least one mounting arm extending from the radially outer face, and a coating disposed on the radially inner face. The coating includes an environmental barrier coating layer and an abradable layer disposed on the environmental barrier layer. The abradable layer has a porosity of between about 15 percent ...