ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,494, issued on March 18, was assigned to ebm-papst Mulfingen GmbH & Co. KG (Mulfingen, Germany).
"Electric motor with a stator and an axle that can be press-fitted thereto" was invented by Jochen Hafner (Blaufelden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor with a stator and an axle (20). The stator has a laminated stator core (10) formed from a multitude of individual teeth (11). At least some of the individual teeth (11) each have a radially inner pressing portion (13) for elastic and/or plastic deformation and establishment of a press-fit connection between the laminated stator core (10) and the axle (20). The stat...