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:
Jul. 27, 2010

Filed:

Jan. 28, 2005
Applicants:

Kunihiro Ukai, Nara, JP;

Yumi Kondo, Osaka, JP;

Inventors:

Kunihiro Ukai, Nara, JP;

Yumi Kondo, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel cell system includes a hydrogen generator that generates hydrogen by a reforming reaction using a material and water. A fuel cell generates power by electrochemical reaction using the hydrogen and an oxidizing agent. A cooling water circulation portion circulates water for cooling the fuel cell. A water condenser condenses water discharged from the hydrogen generator or the fuel cell and the condensed water is stored in a water storage portion. A water supply portion moves the water from the water storage portion to the hydrogen generator, the fuel cell, or the cooling water circulation portion. A water replenishment portion replenishes water in the water storage portion from the cooling water circulation portion. A controller discards the water from the water storage portion through a discharge port and the water replenishment portion causes the cooling water circulation portion to replenish the water storage portion.


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