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:
Mar. 31, 2015

Filed:

Mar. 01, 2012
Applicants:

Shuichi Kazuno, Saitama, JP;

Hibiki Saeki, Saitama, JP;

Inventors:

Shuichi Kazuno, Saitama, JP;

Hibiki Saeki, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); B60L 11/18 (2006.01);
U.S. Cl.
CPC ...
B60L 11/1881 (2013.01); H01M 8/04873 (2013.01); H01M 8/04604 (2013.01); H01M 8/04753 (2013.01); H01M 8/04768 (2013.01); H01M 2250/20 (2013.01); Y02E 60/50 (2013.01); Y02T 90/32 (2013.01); Y02T 90/34 (2013.01);
Abstract

A fuel cell system is provided that includes a fuel cell stack, an air pump, a first convertor, a motor, and an ECU for controlling the air pump and the first convertor based on the target voltage and the switching voltage of the single cell. The ECU executes the first mode such that the actual voltage of the single cell corresponds to the target voltage, when the target voltage is equal to or less than the switching voltage, while the ECU executes the second mode such that the actual voltage of the single cell is kept at the switching voltage, when the target voltage is more than the switching voltage. Further, the ECU executes the second mode thereby to change the actual current of the single cell.


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