ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,381, issued on June 24, was assigned to Bayerische Motoren Werke AG (Munich).
"Method for producing a rotor, and rotor" was invented by Dirk Aringsmann (Holzkirchen, Germany), Florian Beck (Freising, Germany) and Andreas Jahnke (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a rotor includes providing lamella elements and arranging the lamella elements to form a lamella bundle where the lamella bundle has webs. End plates are arranged at respective end faces of the lamella bundle where the end plates axially support the lamella bundle. The lamella bundle is axially fixed or pretensioned by winding conductor material aro...