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:
Jun. 08, 2021
Filed:
Oct. 31, 2018
Applicants:
Audi Ag, Ingolstadt, DE;
Volkswagen Ag, Wolfsburg, DE;
Inventors:
Jan Denecke, Braunschweig, DE;
Maren Ramona Kirchhoff, Braunschweig, DE;
Assignees:
VOLKSWAGEN AG, Wolfsburg, DE;
AUDI AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04089 (2016.01); H01M 8/04082 (2016.01); H01M 8/0438 (2016.01); H01M 8/04746 (2016.01); H01M 8/04664 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04089 (2013.01); H01M 8/04201 (2013.01); H01M 8/04388 (2013.01); H01M 8/04679 (2013.01); H01M 8/04753 (2013.01); H01M 2250/20 (2013.01);
Abstract
The invention relates to a fuel cell system comprising a shut-off element arranged in each case in a supply path and exhaust path of the anode and/or cathode supply, and comprising a gas connection arranged in each case between a shut-off element and a fuel cell stack for connecting to an external test gas supply. The gas connections allow diagnosis and/or maintenance of the fuel cell stack in the installed state.
Denecke, Jan. (2021). Fuel cell system having integrated gas connections for connection to an external test gas supply (U.S. Patent No. 11031612). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11031612
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile