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:
Aug. 25, 2026
Filed:
Mar. 18, 2024
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Marc Rasch, Immenstaad, DE;
Sebastian Besold, Neudrossenfeld, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A power supply system for a power electronic circuit of an electric vehicle includes a driver board with components configured to activate the power electronic circuit, a monitoring device configured to monitor the supply voltage, and a circuit assembly having a switching element arranged between an accumulator or a phase of the electric motor and the driver board so that the switching element provides a power supply from the accumulator or electric motor for components of the driver board. When the monitoring device detects a failure or reduction in the supply voltage of a component of the driver board, the monitoring device transfers the switching element from an open state to a closed state, for which the supply voltage has failed or collapsed.