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:
May. 24, 2016
Filed:
Jun. 23, 2010
Applicants:
Hajime Yui, Kanagawa-Ken, JP;
Shigeru Watanabe, Kanagawa-Ken, JP;
Kenichi Oba, Kanagawa-Ken, JP;
Inventors:
Assignee:
NOK CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2016.01); H01M 8/02 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 8/0276 (2013.01); H01M 8/0286 (2013.01); H01M 8/0297 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/521 (2013.01);
Abstract
To improve assembly precision of a fuel cell by improving a sealing property. A first gasketis integrally formed with a first gas diffusion layerand a second gasketis integrally formed with a second gas diffusion layer, and a hinge portionconnects the first gasketto the second gasket. The gas diffusion layer incorporated gasket sandwiches a membrane-electrode from both sides in the thickness direction. A seal protrusionis formed in a surface of the first gasketor the second gasketand comes into close contact with the membrane-electrode.