ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,418, issued on March 24, was assigned to RTX Corp. (Farmington, Conn.).
"CMC component with cooling cavity" was invented by Cheng Gao (Farmington, Conn.) and Howard J. Liles (Newington, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method is described for introducing cooling cavities into CMC components beneath flanges such as T-shaped flanges within the CMC components. During layup, preform is made having flanges formed from a Y-shaped weave in which plies of woven ceramic fiber tows form a radial flange section extending from a base of the preform and two bifurcated arms. The plies of the two bifurcated arms and plies of the base form a ...