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:
Jun. 10, 2008

Filed:

Jun. 07, 2004
Applicants:

Masahiko Sato, Wako, JP;

Hideaki Kikuchi, Wako, JP;

Yosuke Fujii, Wako, JP;

Inventors:

Masahiko Sato, Wako, JP;

Hideaki Kikuchi, Wako, JP;

Yosuke Fujii, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

First and second fuel cell stacks having a simple and compact structure are connected in parallel to each other to enable ensuring a desired electric power generating performance. The first and second fuel cell stacks have the same structure and are arranged in parallel to each other with polarities thereof reversed. A manifold piping is mounted to one ends of the first and second fuel cell stacks. In order to supply an oxidizer gas, a fuel gas, and a coolant to the first and second fuel cell stacks, at least an oxidizer-gas supply pipe, a fuel-gas supply pipe, and a coolant supply pipe in the manifold piping are provided to be symmetrical with respect to the first and second fuel cell stacks.


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