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:
Jul. 01, 2025
Filed:
Jul. 22, 2021
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Frank Seemann, Euerbach, DE;
Andre Ehrsam, Bergrheinfeld, DE;
Martin Mach, Plzen, CZ;
Zbynek Stepan, Plzen, CZ;
Vladimir Dvorak, Plzen, CZ;
Gabriel Scherer, Deggenhausertal, DE;
Matthias Engicht, Bodman-Ludwigshafen, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A device for providing operating energy for an auxiliary drive for an electric vehicle. The device has a battery interface and an inverter, which is designed to convert, for a boost function, a direct voltage into an alternating voltage. The device also has a switch apparatus, which includes: —a switch terminal, which connects the switch apparatus to the inverter; —an auxiliary interface for connecting the device to the auxiliary drive; and —a charging interface for feeding electrical energy into the device. The switch apparatus is designed to connect the charging interface to the switch terminal and to the auxiliary interface by a switching signal.