ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,283, issued on Feb. 18, was assigned to ROLLS-ROYCE PLC (London).
"Combustor apparatus" was invented by Frederic Witham (Bristol, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel swirl nozzle for a gas turbine engine comprises, in axial fuel flow sequence, a fuel inlet portion, a fuel stem portion, and a fuel/air swirler portion. The fuel inlet portion is configured to receive a flow of a fuel, with an inlet to the fuel stem portion being fluidly sealed against the fuel inlet portion, and an outlet from the fuel stem portion being fluidly sealed against the fuel/air swirler portion. The fuel/air swirler portion comprises an outer ...