ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,783, issued on Oct. 21, was assigned to STABILUS GMBH (Koblenz, Germany).
"Direct-current electric motor and use thereof as a drive of a liftgate" was invented by Florian Hofer (Neuwied, Germany), Marian Bochen (Eitelborn, Germany) and Axel Knopp (Eitelborn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A DC electric motor for driving a tailgate of a vehicle is provided, the DC electric motor including a rotor and a stator, the rotor being rotatably supported about an axis of rotation, at least one of the rotor and the stator having a magnetic asymmetry for generating an asymmetric magnetic interaction between the rotor and the stator, wher...