ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,605, issued on Aug. 26, was assigned to Power Packer North America Inc. (Westfield, Wis.).
"High voltage motor-pump unit" was invented by Johnny Antonius Jacobus Wiggemans (Oldenzaal, Netherlands) and Marcel Gerardus Maria Nieuwenhuis (Oldenzaal, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic motor pump unit for pressurising a hydraulic fluid in a hydraulic circuit. The motor pump unit includes a motor having a motor stator holding a circular array of coils and a motor rotor having a motor rotor body having an outer circumferential rotor surface holding a circular array of magnets. The motor rotor body is positioned within th...