ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,511, issued on Aug. 11, was assigned to Aktiebolaget SKF (Gothenburg, Sweden).
"Electrical machine with a conductive sleeve" was invented by Samuel Viault (Saint-Antoine-du-Rocher, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical machine providing a stationary part, a turning part, at least one bearing and an earthing fibre brush. The electrical machine having a conductive sleeve with an annular base made of an electrically conductive material, the annular base being fixed to the turning part or to a turning race of the bearing, and a conductive coating based on chromium nitride covering at least partly a surface of the base (21) ...