ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,257, issued on June 10, was assigned to ROLLS-ROYCE plc (London).
"Combustor apparatus" was invented by Karpaga Vipran Kannan (Derby, Great Britain), Joseph R Hardy (Derby, Great Britain), Ryan L Rogers (Derby, Great Britain), Andres E Leiva Gonzalez (Loughborough, Great Britain) and Shahrokh Shahpar (Derby, 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. An inlet to the fuel stem portion is fluidly sealed against the fuel inlet portion, and an outlet from the fuel stem portion i...