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. 17, 2023
Filed:
May. 10, 2019
Audi Ag, Ingolstadt, DE;
Volkswagen Ag, Wolfsburg, DE;
Adel Jilani, Burnaby, CA;
Siva Sankar Voosani Krishna, Burnaby, CA;
Volkswagen AG, Wolfsburg, DE;
Audi AG, Ingolstadt, DE;
Abstract
A fuel cell stack is provided comprising a first end plate and a second end plate between which a plurality of fuel cells is arranged. At least one elastic tensioning element is tensioned in the stack direction between the end plates. Furthermore, the fuel cell stack has at least one rotatably mounted mounting shaft. At least one end section of at least one tensioning element is fixed to the rotating mounting shaft. Moreover, the rotatable mounting shaft is connected to the fuel cell stack via a tensioned torsion spring. The torsion spring brings about an automatic retensioning of the tensioning element.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile