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:
Aug. 09, 2022
Filed:
Nov. 10, 2017
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Akihiro Machida, Hitachinaka, JP;
Tatsumi Yamauchi, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
The invention is directed to provide a battery pack in which a current sensor is eliminated and the whole size is reduced. In order to solve the problem described above, a battery pack of the invention includes a battery group in which a plurality of battery cells (lithium ion battery) are connected in series, a resistor (bus bar) connected in series to the battery group, cell voltage detection lines (cell voltage detection linesto) arranged at both ends of the battery cells (lithium ion battery) and the resistor (bus bar), and a battery controller connected to the cell voltage detection lines (cell voltage detection linesto), in which one cell voltage detection line (cell voltage detection linesto) adjacent to the battery cell (lithium ion battery) includes a terminal which is branched and connected to the battery controller.