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.:
Date of Patent:
Dec. 28, 2021
Filed:
Mar. 07, 2019
Applicant:
Keihin Corporation, Tokyo, JP;
Inventors:
Shingo Tsuchiya, Utsunomiya, JP;
Seiji Kamata, Utsunomiya, JP;
Assignee:
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H01M 10/48 (2006.01); H01M 10/46 (2006.01); H02J 7/02 (2016.01); B60L 50/64 (2019.01); B60L 53/62 (2019.01); B60L 58/10 (2019.01); H01M 50/20 (2021.01);
U.S. Cl.
CPC ...
H01M 10/482 (2013.01); B60L 50/64 (2019.02); B60L 53/62 (2019.02); B60L 58/10 (2019.02); H01M 10/46 (2013.01); H01M 50/20 (2021.01); H02J 7/0021 (2013.01); H02J 7/0024 (2013.01); H02J 7/022 (2013.01); H01M 2220/20 (2013.01);
Abstract
A vehicle battery device includes a plurality of battery cell groups in which battery cells are connected in series, connection switches which can switch an electrical connection between the plurality of battery cell groups to a series connection or a parallel connection, and current sensors which detect electric currents flowing in the respective battery cell groups in both of the series connection and the parallel connection, and the current sensor is provided in the vicinity of a positive electrode terminal or a negative electrode terminal of each of the battery cell groups.