US Patent Issued to Raytheon on Nov. 11 for "Propulsion system with concentric rocket motor and electric motor" (Arizona Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,568, issued on Nov. 11, was assigned to Raytheon Co. (Arlington, Va.).

"Propulsion system with concentric rocket motor and electric motor" was invented by Keith M. Brock (Vail, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion system, such as for an aircraft, for instance an unmanned aircraft system (UAS), includes a rocket motor and an electric motor, with the rocket motor passing through a central opening in the electric motor. The electric motor may be a brushless outrunner electric motor, with a rotor of the electric motor radially outward of a stator of the electric motor. The electric motor may use part of the rocket motor, suc...