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.

Date of Patent:
Mar. 19, 2024

Filed:

Sep. 28, 2020
Applicant:

Mercedes-benz Group Ag, Stuttgart, DE;

Inventors:

Urs Boehme, Ehningen, DE;

André Haspel, Sindelfingen, DE;

Assignee:

Mercedes-Benz Group AG, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01); B60L 3/00 (2019.01); G01R 31/40 (2020.01);
U.S. Cl.
CPC ...
G01R 31/007 (2013.01); B60L 3/0046 (2013.01); G01R 31/40 (2013.01);
Abstract

A method for monitoring at least one Y-capacitance of an electrical on-board power supply of a vehicle includes ascertaining a current capacitance value of the at least one Y-capacitance and a current on-board power supply voltage of the electrical on-board power supply. The method further includes determining a currently stored amount of energy in the at least one Y-capacitance depending on the current on-board power supply voltage of the electrical on-board power supply and the current capacitance value of the at least one Y-capacitance of the electrical on-board power supply, comparing the currently stored amount of energy in the at least one Y-capacitance to a predetermined threshold value, and generating a control signal when the predetermined threshold value is exceeded in the comparing.


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