ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,990, issued on Dec. 30, was assigned to Rolls-Royce Corp. (Indianapolis).
"Dual-walled components for a gas turbine engine" was invented by Timothy Paul Fuesting (Indianapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-walled component of a gas turbine engine includes a cold section part, such as a spar, and a hot section part, such as a coversheet. The cold section part includes a single crystal or directionally solidified metal alloy and defines an outer surface, a hot section part comprising a polycrystalline metal alloy formed using additive manufacturing. The hot section part includes a plurality of support structures forming a plura...