ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,656, issued on Nov. 25, was assigned to ROLLS-ROYCE plc (London).
"Aircraft fuelling" was invented by Christopher P Madden (Derby, Great Britain), Craig W Bemment (Derby, Great Britain), Andrew T Smith (Derby, Great Britain) and Peter Swann (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a gas turbine engine; the gas turbine engine includes a combustor. The combustor includes a combustion chamber and a plurality of fuel spray nozzles configured to inject fuel into the combustion chamber. The plurality of fuel spray nozzles includes a first subset of fuel spray nozzles and a second subset of fuel spray nozzl...