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 9490495 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 08, 2016

Filed:

Jan. 05, 2013
Applicant:

Panasonic Corporation, Osaka, JP;

Inventors:

Yoshio Tamura, Hyogo, JP;

Koichi Kusumura, Osaka, JP;

Hirofumi Kokubu, Shiga, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 3/58 (2006.01); H01M 8/04 (2016.01); H01M 8/06 (2016.01); C01B 3/38 (2006.01);
U.S. Cl.
CPC ...
H01M 8/0675 (2013.01); C01B 3/38 (2013.01); C01B 3/58 (2013.01); H01M 8/04231 (2013.01); H01M 8/04776 (2013.01); H01M 8/04955 (2013.01); H01M 8/0612 (2013.01); C01B 2203/025 (2013.01); C01B 2203/0244 (2013.01); C01B 2203/0283 (2013.01); C01B 2203/066 (2013.01); C01B 2203/0811 (2013.01); C01B 2203/127 (2013.01); C01B 2203/1235 (2013.01); C01B 2203/148 (2013.01); C01B 2203/1609 (2013.01); Y02E 60/50 (2013.01);
Abstract

A hydrogen generator includes: a reformer configured to generate a hydrogen-containing gas by a reforming reaction using a material gas; a hydro-desulfurizer configured to remove a sulfur compound in the material gas; a material gas passage through which the material gas supplied to the reformer flows; a recycled gas passage connected between a first connection portion of a gas passage located downstream of the reformer and a second connection portion of the material gas passage located upstream of the hydro-desulfurizer; a first on-off valve disposed on the recycled gas passage; a second on-off valve disposed on the material gas passage between the second connection portion and the hydro-desulfurizer; and a controller configured to open the first on-off valve, after generation stop of the hydrogen-containing gas, to supply the material gas to the recycled gas passage, and to close the second on-off valve when the controller opens the first on-off valve.


Find Patent Forward Citations

Tamura, Yoshio. (2016). Hydrogen generator, fuel cell system, and method of operating hydrogen generator (U.S. Patent No. 9490495). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9490495

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