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:
Nov. 03, 1998
Filed:
Oct. 24, 1996
Miho Okamoto, Sakai, JP;
Shinji Hamada, Hirakata, JP;
Hiroshi Inoue, Neyagawa, JP;
Munehisa Ikoma, Nara, JP;
Matsushita Electric Industrial Co. Ltd., Osaka, JP;
Abstract
A long-life sealed rechargeable battery employing a plastic battery container in use for electric vehicles and the like, wherein at least one tube having the bottom is formed under the cover, the closed end of the tube is either brought as close as possible to the upper edge of the electrode group or put into direct contact with a lead tab of the positive or negative electrode, and a temperature sensor is inserted and fixed inside the tube in such a way that the temperature sensing part comes into direct contact with the inner surface of the closed end of the tube, thereby capable of measuring from the outside temperature variation in the cell so as to control charge and discharge.