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:
Apr. 30, 2024
Filed:
Oct. 14, 2019
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Vyacheslav Brushkivskyy, Kressbronn am Bodensee, DE;
Gerhard Höring, Hagnau am Bodensee, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A seal device () for a rotating shaft (). The seal device has a shaft seal (), a shaft grounding connection () and a holding feature () for holding the shaft seal () and the shaft grounding connection (). The holding feature () has at least one opening (), between the shaft seal () and the shaft grounding connection (), for clearing particles away from the shaft seal () and the shaft grounding connection (). An electric machine with a rotor shaft () that can be driven in rotation and with a seal device () of the above type for sealing the rotor shaft () and, therefore, also sealing an inside space of the electric machine. Furthermore, a drive unit for electrically driving a motor vehicle, including an electric machine of the above type for providing drive power of the drive unit.