US Patent Issued to Baker Hughes Oilfield Operations on Nov. 4 for "Permanent magnet motor for electrical submersible pump and method of assembly rotor" (Oklahoma Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,479, issued on Nov. 4, was assigned to Baker Hughes Oilfield Operations LLC (Houston).

"Permanent magnet motor for electrical submersible pump and method of assembly rotor" was invented by Ameen Muhammed (Claremore, Okla.), James Christopher Clingman (Broken Arrow, Okla.) and John Knapp (Tulsa, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor for an electrical submersible pump includes a stator and rotor, where the rotor is made up of adjacent columns of magnets affixed onto an annular core. End rings on opposite ends of the core provide axial backstops for magnet columns. Thin coaxial sleeves are shrunk fit over the magnets and end rings...