ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,906, issued on Oct. 28, was assigned to AUDI AG (Ingolstadt, Germany).
"Method for reworking a faulty welded joint of a hairpin winding" was invented by Patrick Herrmann (Pfaffenhofen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for reworking a defective welded connection of a hairpin winding for a rotor or stator of an electrical machine, including providing the hairpin winding applied to a winding support. The hairpin winding has at least one conductor formed from multiple conductor sections. The conductor sections of the respective conductor are welded in pairs at a respective welded connection by a first welding method, and a...