ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,863, issued on Nov. 18, was assigned to General Electric Co. (Evendale, Ohio).
"Gas turbine engine having composite fan blades" was invented by Arthur William Sibbach (Boxford, Mass.) and Gary Willard Bryant Jr. (Loveland, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine includes: a turbomachine comprising a drive turbine and defining a working gas flowpath and an inlet to the working gas flowpath; a fan having a fan blade formed of a composite material, the fan blade defining a leading edge fan radius RFan_LE and a trailing edge fan radius RFan_TE, and the fan defining a leading edge hub radius RHub_LE and a trailing edge hu...