US Patent Issued to Rolls-Royce on July 22 for "Electrical energy system having active segments for variable voltage generation" (Indiana Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,359, issued on July 22, was assigned to Rolls-Royce Corp. (Indianapolis).

"Electrical energy system having active segments for variable voltage generation" was invented by David Russell Trawick (Indianapolis) and Mathew Gregory Hill (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example electrical machine is described that includes active segments for variable voltage generation. The electrical machine includes a drive shaft, a fixed rotor segment, an active rotor segment, and an actuator mechanism. The fixed rotor segment is coupled to the drive shaft, where the fixed rotor segment has affixed thereon first permanent magnets of alt...