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:
Nov. 17, 2020
Filed:
Jan. 23, 2019
Applicant:
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Inventors:
Martin Reuter, Munich, DE;
Alfred Grom, Glonn, DE;
Assignee:
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/40 (2016.01); H01R 39/64 (2006.01); B60K 6/26 (2007.10); B60L 50/00 (2019.01); H02K 7/00 (2006.01);
U.S. Cl.
CPC ...
H02K 11/40 (2016.01); H01R 39/646 (2013.01); H02K 7/003 (2013.01); B60K 6/26 (2013.01); B60L 50/00 (2019.02); B60Y 2200/91 (2013.01); B60Y 2200/92 (2013.01); B60Y 2400/60 (2013.01);
Abstract
A drive device for a motor vehicle includes at least one electric machine and at least one shaft, which shaft is rotatably mounted on a housing element of the drive device and can be driven by the electric machine. At least one discharge ring is provided by which the shaft is brought into electrical contact with the housing element in order to dissipate electrical charges from the shaft to the housing element via the discharge ring. The discharge ring is formed from an electrically conductive fluid.