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:
Nov. 25, 2025
Filed:
Jul. 22, 2021
Avl List Gmbh, Graz, AT;
Avl Fuel Cell Canada Inc., Burnaby, CA;
Bhagwant Tejpaul Mann, Burnaby Burnaby, CA;
AVL List GmbH, Graz, AT;
AVL Fuel Cell Canada Inc., Burnaby, CA;
Abstract
This invention relates to designs and methods for desirably allowing the incorporation and/or removal of load cells () in a fuel cell stack () without significantly changing the load on the series stack of fuel cells when doing so. A relevant fuel cell stack () is of a simple construction comprising a compression assembly () located in an opening in an end-plate () in which the assembly comprises a spring cap () with an inner shoulder (), a load cell button () slidable in the stack direction, and a spring assembly (). A load cell () can then be incorporated along with an appropriate load cell cap (), or removed in a like manner, without a significant change in load.