ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,000, issued on Sept. 30, was assigned to RTX Corp. (Farmington, Conn.).
"Elongated journal bearing for high gear ratio epicyclic fan drive gear system" was invented by Mark A. Klein (Columbus, Ohio) and Michael E. McCune (Colchester, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan drive gear system for a turbine engine includes a gear system with a plurality of compound intermediate gears that each include a first gear portion and a second gear portion. The second gear portion includes a forward gear portion and an aft gear portion and a ring gear assembly includes a forward ring gear that is engaged to the forward gear portion and an af...