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.

Date of Patent:
Nov. 04, 2008

Filed:

Nov. 23, 2005
Applicants:

Seiji Sugiura, Utsunomiya, JP;

Jun Kondo, Utsunomiya, JP;

Shigeru Inai, Tochigi-ken, JP;

Hiromichi Yoshida, Tochigi-ken, JP;

Hiroyuki Tanaka, Utsunomiya, JP;

Naoki Mitsuta, Nasukarasuyama, JP;

Inventors:

Seiji Sugiura, Utsunomiya, JP;

Jun Kondo, Utsunomiya, JP;

Shigeru Inai, Tochigi-ken, JP;

Hiromichi Yoshida, Tochigi-ken, JP;

Hiroyuki Tanaka, Utsunomiya, JP;

Naoki Mitsuta, Nasukarasuyama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/14 (2006.01); H01M 2/00 (2006.01); H01M 2/02 (2006.01); H01M 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel cell stack includes a stack body, an end separator, a terminal plate, an insulating plate, and an end plate provided at one end of the stack body in a stacking direction. The insulating plate has a recess for accommodating the terminal plate. Further, the insulating plate has a bypass passage connected between a fuel gas supply passage and a fuel gas discharge passage outside the recess for discharging condensed water. An insulating seal member is provided on the end separator to cover the bypass passage. The condensed water flows through an insulated passage formed by the insulating seal member and the bypass passage.


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