ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,450, issued on Nov. 25, was assigned to RTX Corp. (Farmington, Conn.).
"Hybrid electric multiple shaft core" was invented by Michael D. Greenberg (Bloomfield, Conn.), Lance L. Smith (West Hartford, Conn.), Dennis P. Cronin (Lebanon, Conn.), Nancy Poisson (Avon, Conn.), Christopher D. Ramsey (Glastonbury, Conn.) and Neil Terwilliger (Meriden, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid electric engine of an aircraft includes a compressor, a turbine operably connected to the compressor via a variable gear ratio gearbox and a combustor configured to drive the turbine via a flow of combustion products. An electric motor is operably con...