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:
Jul. 08, 2025

Filed:

Oct. 14, 2021
Applicant:

Audi Ag, Ingolstadt, DE;

Inventors:

Markus Ruf, Waldstetten, DE;

Hannah Staub, Karlsdorf-Neuthard, DE;

Assignee:

AUDI AG, Ingolstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04089 (2016.01); H01M 8/04082 (2016.01); H01M 8/04225 (2016.01); H01M 8/04228 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04097 (2013.01); H01M 8/04201 (2013.01); H01M 8/04225 (2016.02); H01M 8/04228 (2016.02); H01M 2008/1095 (2013.01);
Abstract

A fuel cell device with a fuel tank which has a fuel supply line which is branched into fuel portion supply lines, having a plurality of fuel cell stacks which stacks each have, on the anode inlet side, a fuel connection which is respectively fluidically connected to one of the fuel portion supply lines. Exclusively one of the fuel cell stacks is connected on the anode outlet side to a fuel recirculation line. The flow guidance of the fuel recirculation line is selected in such a way that the fuel can be returned exclusively into the fuel cell stack connected to the fuel recirculation line. Furthermore, a method for operating the fuel cell device is provided.


Find Patent Forward Citations

Ruf, Markus. (2025). Fuel recirculation in a fuel cell device having a plurality of fuel cell stacks (U.S. Patent No. 12355119). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12355119

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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