ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,107, issued on July 1, was assigned to Brose Fahrzeugteile SE & Co. KG Wurzburg (Wurzburg, Germany).
"Electric motor" was invented by Kevin Koch (Furth, Germany) and Michael Duncher (Wurzburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor has a stator and a rotor which is arranged on a motor shaft in a rotationally fixed manner. The motor shaft is rotatably mounted about a rotational axis in at least one rolling bearing within a motor housing. The rolling bearing is arranged in a bearing shield in a bearing receiving area, the outer ring of the rolling bearing is pretensioned by a spring disc which sits in the bearing recei...