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. 13, 2021
Filed:
Jul. 10, 2019
Applicant:
Honda Motor Co., Ltd., Tokyo, JP;
Inventors:
Satoshi Oyama, Wako, JP;
Yu Tomana, Wako, JP;
Assignee:
HONDA MOTOR CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/00 (2016.01); H01M 8/0247 (2016.01); H01M 8/0276 (2016.01); H01M 8/241 (2016.01); H01M 8/0267 (2016.01); H01M 8/1004 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0247 (2013.01); H01M 8/0267 (2013.01); H01M 8/0276 (2013.01); H01M 8/1004 (2013.01); H01M 8/241 (2013.01);
Abstract
A fuel cell separator (first and second separators) of a fuel cell stack is formed in a plate shape, and includes a passage bead (projection) configured to form a seal that prevents leakage of fluid. The passage bead is formed integrally with a surface of the separator in a manner so as to project from the surface, and when viewed in cross section, is formed in a multistage trapezoidal shape.