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:
Jan. 01, 2013
Filed:
Jun. 05, 2008
Toshihiro Matsumoto, Osaka, JP;
Hiroki Kusakabe, Osaka, JP;
Mitsuo Yoshimura, Kyoto, JP;
Yoko Yamaguchi, Osaka, JP;
Yoshiki Nagao, Osaka, JP;
Toshihiro Matsumoto, Osaka, JP;
Hiroki Kusakabe, Osaka, JP;
Mitsuo Yoshimura, Kyoto, JP;
Yoko Yamaguchi, Osaka, JP;
Yoshiki Nagao, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A polymer electrolyte fuel cell is provided with a fuel cell stack assembled by sandwiching a plurality of stacked single cell modules with a plurality of fastening members through a pair of end plates. The fuel cell includes a first elastic member arranged between the fastening member and the end plate and a plurality of second elastic members arranged between the end plate and the end of the fuel cell stack. Each of the second elastic members is arranged on the surface of the end plate corresponding to the electrode portion of a membrane electrode assembly in each of the single cell module, and each of the first elastic members is arranged on the surface of the end plate corresponding to a seal member arrangement region in which the seal member is arranged between the periphery of the membrane electrode assembly and a pair of separator plates in each single cell module.