ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,409, issued on March 4, was assigned to ROLLS-ROYCE plc (London).
"Aircraft propulsion system" was invented by Peter Swann (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion system includes first and second engines and first and second electrical machines coupled to the first and second engines respectively. The first electrical machine is arranged to be driven by electrical power in order to at least partially drive the first engine. The second electrical machine is arranged to be driven by the second engine to generate electrical power. An electrical network allows transmission of electrical power between t...