ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,062, issued on April 8, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).

"Method for modulating torque ripple and/or radial force of a three-phase current operated electric machine" was invented by Andreas Langheck (Karlsruhe, Germany) and Dominik Stretz (Wiesengiech, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for modulating a torque ripple and/or the a radial force of a three-phase current-operated electric machine includes selecting at least one of a harmonic (HM1_EM) in a torque of the electric machine and a harmonic (HM_X) of a load coupled to the electric machine.The at least one selected harmo...