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. 27, 2022
Filed:
Jun. 15, 2018
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Stefan Haase, Munich, DE;
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Abstract
A method for producing a bipolar plate for a fuel cell stack includes the following steps: providing two half-plates made of sheet metal, which form the bipolar plate when arranged on top of one another, wherein the half-plates are profiled via deformation of the sheet metal, and wherein, as a result of the profiling, the two half-plates arranged on top of one another contact at at least one contact region and do not contact at at least one non-contact region; carrying out at least one first cut in the non-contact region of at least one half-plate, before the half-plates are arranged on top of one another; Arranging the two half-plates on top of one another and connecting same; and carrying out at least a second cut in the contact region through both half-plates after they have been arranged on top of one another and connected.