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.:

US 7413821 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 19, 2008

Filed:

Mar. 05, 2002
Applicants:

Seiji Sugiura, Utsunomiya, JP;

Yoshinori Wariishi, Utsunomiya, JP;

Narutoshi Sugita, Utsunomiya, JP;

Naoyuki Enjoji, Utsunomiya, JP;

Inventors:

Seiji Sugiura, Utsunomiya, JP;

Yoshinori Wariishi, Utsunomiya, JP;

Narutoshi Sugita, Utsunomiya, JP;

Naoyuki Enjoji, Utsunomiya, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cell assembly includes a first unit cell and a second unit cell which are stacked to each other. The first unit cell has a first unified body, and the second unit cell has a second unified body. A plurality of oxidizing gas passages and a plurality of fuel gas passages are provided in the cell assembly. The oxidizing gas passages in the first unit cell and the oxidizing gas passages in the second unit cell are communicated in series to each other. The fuel gas passages in the first unit cell and the fuel gas passages in the second unit cell are communicated in series to each other.


Find Patent Forward Citations

Sugiura, Seiji. (2008). Solid polymer electrolyte fuel cell assembly with gas passages in serial communication, and method of supplying reaction gas in fuel cell (U.S. Patent No. 7413821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7413821

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