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:
Dec. 30, 2025
Filed:
Oct. 21, 2021
Applicants:
Audi Ag, Ingolstadt, DE;
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Inventors:
Rolf Naumann, Michelau, DE;
Marco Baumgarth, Vordorf, DE;
Assignees:
AUDI AG, Ingolstadt, DE;
VOLKSWAGEN AKTIENGESELLSCHAFT, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 3/00 (2019.01); B60L 58/12 (2019.01);
U.S. Cl.
CPC ...
B60L 3/0046 (2013.01); B60L 58/12 (2019.02); B60L 2250/10 (2013.01);
Abstract
An internal resistance value of a vehicle battery is determined from a measured ripple current. An actual energy content of the vehicle battery is determined from the internal resistance value and a predetermined battery characteristic curve. A temperature value of the vehicle battery is measured and an available amount of energy of the vehicle battery for an emergency pulse is determined based on the actual energy content, an actual discharge current of the vehicle battery and the measured temperature value.