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:
Feb. 02, 2016
Filed:
May. 23, 2011
Applicants:
Keiichiro Ohkawa, Hitachinaka, JP;
Youhei Kawahara, Tokyo, JP;
Ryouhei Nakao, Tokyo, JP;
Inventors:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H01M 10/44 (2006.01); B60L 11/18 (2006.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0014 (2013.01); B60L 11/1866 (2013.01); H01M 10/441 (2013.01); H02J 7/0016 (2013.01); B60L 2240/545 (2013.01); B60L 2240/547 (2013.01); B60L 2240/549 (2013.01); H01M 2010/4271 (2013.01); Y02T 10/7055 (2013.01);
Abstract
To satisfactorily carry out balancing even when balancing control is suspended. It is selected according to a condition which of battery cell information (old state information) by the last balancing stored in a storage device and battery cell information (new state information) acquired during a start of this time is used, and the balancing control is performed.