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:
Oct. 23, 2007

Filed:

Oct. 01, 2003
Applicants:

Akio Yamamoto, Saitama, JP;

Kazunori Fukuma, Saitama, JP;

Takatsugu Koyama, Saitama, JP;

Hideo Numata, Saitama, JP;

Masahiro Matsutani, Saitama, JP;

Inventors:

Akio Yamamoto, Saitama, JP;

Kazunori Fukuma, Saitama, JP;

Takatsugu Koyama, Saitama, JP;

Hideo Numata, Saitama, JP;

Masahiro Matsutani, Saitama, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 2/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus for dilution of discharged fuel of a fuel cell is provided, which has an inlet for guiding purged hydrogen gas coming from the fuel cell, a reservoir for storing the purged hydrogen gas guided through the inlet, and a cathode exhaust gas pipe penetrating the reservoir. The cathode exhaust gas pipe has a feature that it has holes inside the reservoir and is supplied with cathode exhaust gas of the fuel cell. Also the apparatus has a feature that the cathode exhaust gas pipe sucks the purged hydrogen gas stored in the reservoir through the holes and discharges the purged hydrogen gas diluted by mixing with the cathode exhaust gas.


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