ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,448, issued on March 24, was assigned to ROLLS-ROYCE PLC (London).
"Gas turbine operation" was invented by Peter Swann (Derby, Great Britain), Christopher P Madden (Derby, Great Britain) and Craig W Bemment (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A aircraft gas turbine engine and operation method, the engine including: a staged combustion system having pilot and main fuel injectors, and operates in a pilot-only range wherein fuel delivers to pilot fuel injectors, and a pilot-and-main operation range wherein fuel is delivered to at least the main fuel injectors. The engine further includes a fuel delivery regulator to pi...