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. 03, 2018
Filed:
Feb. 05, 2015
Audi Ag, Ingolstadt, DE;
Audi AG, Ingolstadt, DE;
Abstract
A process to check a connection between a battery () supplying a low-voltage network () of a motor vehicle (), the voltage of which is less than the voltage of a high-voltage network () of the motor vehicle (), and the low-voltage network (); wherein a DC voltage converter (), which is configured for exchanging electrical power between the high-voltage network () and the low-voltage network (), connects the high-voltage network () to the low-voltage network (); wherein a DC voltage converter () modulates the output voltage into the low-voltage network at a modulation frequency; wherein the current hereby applied and the voltage hereby applied are measured by the battery (), and a resistance value is determined and evaluated with respect to at least one connection criterion, according to which a connection fault is determined when at least one connection criterion is not fulfilled.