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:
Sep. 19, 2023
Filed:
May. 10, 2019
Audi Ag, Ingolstadt, DE;
Volkswagen Ag, Wolfsburg, DE;
Adel Jilani, Burnaby, CA;
Siva Sankar Voosani Krishna, Burnaby, CA;
Audi AG, Ingolstadt, DE;
Volkswagen AG, Wolfsburg, 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 a stack direction between the end plates. According to the invention, a section of the at least one tensioning element is arranged between a surface section of the fuel cell stack and a retensioning element, wherein a distance between the retensioning element and the surface section can be variably adjusted and set. In this way, the tensioning element can be stretched in a targeted manner by means of the retensioning element and as such the compressive tensile force acting on the fuel cell stack can be increased. A vehicle is also provided comprising such a fuel cell stack.