ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,917, issued on Oct. 28, was assigned to ROLLS-ROYCE plc (London).
"Gas turbine engine" was invented by Pascal Dunning (Derby, Great Britain), Roderick M. Townes (Derby, Great Britain) and Michael J. Whittle (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A highly efficient gas turbine engine is provided. The fan of the gas turbine engine is driven from a turbine via a gearbox, such that the fan has a lower rotational speed than the driving turbine, thereby providing efficiency gains. The efficient fan system is mated to a core that has low cooling flow requirements and/or high temperature capability, and which may have particula...
		
			