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:
Apr. 09, 2019
Filed:
Jun. 08, 2015
Sanyo Electric Co., Ltd., Daito-shi, Osaka, JP;
Hiroyuki Okuda, Osaka, JP;
Seiji Omura, Hyogo, JP;
SANYO Electric Co., Ltd., Daito-shi, JP;
Abstract
A battery pack includes a plurality of unit cells, each including a cylindrical battery case, and a connecting member () that connects the unit cells to each other. The battery case of each unit cell includes a bottom surface portion () including a plurality of gas discharging sections () that open when an internal pressure of the unit cell reaches a predetermined pressure. The gas discharging sections () are separated from each other. The connecting member () is joined to a non-opening section () of the bottom surface portion (), the non-opening section () being disposed between the gas discharging sections ().