The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2026
Filed:
Jan. 31, 2023
Aktiebolaget Skf, Gothenburg, SE;
Samuel Viault, Saint-Antoine-du-Rocher, FR;
Aktiebolaget SKF, Gothenburg, SE;
Abstract
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 () so that the free end of the fibres is in sliding contact against the coating based on chromium nitride.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile