ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,579, issued on Nov. 4, was assigned to ROLLS-ROYCE PLC (London).
"Propulsion system comprising a hydrogen-burning gas turbine engine" was invented by Michael C Willmot (Sheffield, Great Britain) and Richard Peace (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion system comprises a propulsive hydrogen-burning gas turbine engine, a first tank storing liquid hydrogen with an ullage and a first fuel line including a fuel pump and a vaporiser, the first fuel line providing gaseous hydrogen to the engine during operation of the system. A second tank storing gaseous hydrogen is coupled by a second fuel line to the first fuel ...