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:
Oct. 13, 2026
Filed:
Nov. 07, 2019
Audi Ag, Ingolstadt, DE;
Johannes Haf, Neuburg, DE;
Thomas Lichius, Gaimersheim, DE;
Thomas Weustenfeld, Briarwood, NY (US);
Sebastian Albl, Ingolstadt, DE;
AUDI AG, Ingolstadt, DE;
Abstract
A fuel cell device for a vehicle has a fuel cell system comprising a fuel cell stack and has a first cooling circuit for cooling the fuel cell system and a second cooling circuit for cooling an electronic unit and/or an energy storage. The first cooling circuit and the second cooling circuit are thermally connected to each other, wherein only the second cooling circuit has a cooler for cooling the cooling water flowing in the second cooling circuit. A method for cooling a fuel cell device using such components is also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile