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:
May. 23, 2017

Filed:

Sep. 23, 2014
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventors:

Yuji Ishikawa, Aichi-ken, JP;

Ikuyasu Kato, Obu, JP;

Takashi Yamamoto, Okazaki, JP;

Takashi Yamada, Hekinan, JP;

Keigo Suematsu, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); H01M 8/10 (2016.01); G01R 31/36 (2006.01); H01M 8/04537 (2016.01); H01M 8/1004 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04649 (2013.01); H01M 8/04589 (2013.01); H01M 8/1004 (2013.01);
Abstract

A current measurement device includes a measurement part that is constituted by including a resistance part having a predetermined electric resistance value and a pair of current collector parts for extracting a potential difference generated by a current that flows the resistance part; a potential difference detector that is connected to the pair of current collector parts and detects a potential difference generated in the resistance part; and a current detector that detects the current that flows through the inside of a fuel cell. The measurement part is disposed to be integrated with one separator of the pair of separators and the pair of current collectors is disposed so as to overlap with the resistance part when seen from a direction orthogonal to the stacking direction of the cells.


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