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. 10, 2016

Filed:

Mar. 18, 2015
Applicants:

Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;

Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;

Inventors:

Kenji Kubo, Hitachi, JP;

Akihiko Kudo, Hitachinaka, JP;

Mutsumi Kikuchi, Mito, JP;

Akihiko Emori, Hitachi, JP;

Assignees:

Hitachi, Ltd., Tokyo, JP;

Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 11/18 (2006.01); G01R 31/36 (2006.01); G01R 19/165 (2006.01); H02J 7/00 (2006.01); G01R 35/00 (2006.01);
U.S. Cl.
CPC ...
B60L 11/1879 (2013.01); B60L 11/1855 (2013.01); B60L 11/1866 (2013.01); G01R 19/16542 (2013.01); G01R 31/36 (2013.01); G01R 31/3637 (2013.01); G01R 31/3658 (2013.01); H02J 7/0021 (2013.01); H02J 7/0026 (2013.01); G01R 35/00 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7061 (2013.01); Y02T 90/16 (2013.01);
Abstract

A battery system for vehicle comprises a battery unit that is constituted with a plurality of serially connected cell groups each include a plurality of serially connected battery cells, integrated circuits that are each disposed in correspondence to one of the cell groups of the battery unit and each measure terminal voltages at the battery cells in the corresponding cell group, and a signal transmission path through which one of the integrated circuits is connected to another one of the integrated circuits or to a circuit other than that of the integrated circuits.


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