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:
Jun. 23, 2026
Filed:
Jul. 21, 2022
Audi Ag, Ingolstadt, DE;
Dr. Ing. H.c.f. Porsche Ag, Stuttgart, DE;
AUDI AG, Ingolstadt, DE;
DR. ING. H.C.F. PORSCHE AG, Stuttgart, DE;
Abstract
In a method for operating a vehicle electrical system for a motor vehicle, a vehicle battery of the vehicle electrical system that has at least two sub-batteries provides electrical energy from more than one of the at least two sub-batteries at a conventional supply terminal of the vehicle electrical system, the conventional supply terminal being electrically coupled to the vehicle battery. At least a first and a second safety supply terminal of the vehicle electrical system are supplied with electrical energy by a coupling device of the vehicle electrical system, the coupling device being connected to the vehicle battery, and the coupling device electrically coupling the at least a first and second safety supply terminal each to exactly one of the at least two sub-batteries in accordance with a coupling state of the coupling device.