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. 09, 2013
Filed:
Jun. 12, 2008
Applicants:
Katsumi Kozu, Hyogo, JP;
Shinsuke Fukuda, Osaka, JP;
Inventors:
Katsumi Kozu, Hyogo, JP;
Shinsuke Fukuda, Osaka, JP;
Assignee:
Panasonic Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/14 (2006.01); H01M 8/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a fuel cell stack, a cell stack formed by laminating a membrane electrode assembly and a separator and sandwiching them from the both sides in the laminating direction with a pair of end plates is fastened by being tightened in the laminating direction with a first plate spring. The first plate spring includes two arm sections for pressing the pair of end plates and a connecting section connecting the arm sections, and has a C-shaped cross-section.