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:
Mar. 31, 2009
Filed:
Jun. 04, 2002
Applicants:
Hideki Masuda, Osaka, JP;
Hiroshi Tasai, Kyoto, JP;
Koichi Nishiyama, Kyoto, JP;
Inventors:
Assignee:
GS Yuasa Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
An assembled battery device comprising a plurality of single cells which are placed with a predetermined space between each of them and an element for detecting swelling is set in the predetermined space between the single cells and operates in accordance with the transformation of the single cells by swelling. Therefore, when a single cell swells and transforms, resulting from being overcharged, the element for detecting swelling is activated in accordance with such transformation and detects the state of overcharging.