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:
Jul. 23, 2024
Filed:
Feb. 27, 2022
Applicant:
Honda Motor Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04537 (2016.01); H01M 8/0273 (2016.01); H01M 8/248 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04619 (2013.01); H01M 8/0273 (2013.01); H01M 8/248 (2013.01);
Abstract
A leak inspection method and a leak inspection apparatus for a fuel cell stack, in which a plurality of fuel cells are stacked, each having an electrode member and a pair of separators sandwiching the electrode member therebetween, and seal members provided on an outer peripheral portion of each of the separators, wherein a first leak inspection is performed by applying a fastening load which is a load applied to the fuel cell stack at a time of product shipment, and a second leak inspection is performed by applying to the fuel cell stack a second load which is lower than the fastening load.