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. 01, 2008
Filed:
Jun. 03, 2003
Seiichi Uemoto, Izumi, JP;
Kenji Kimura, Kishiwada, JP;
Tatsuya Hashimoto, Naga-gun, JP;
Takabumi Fujii, Suita, JP;
Hironori Yukisada, Hirakata, JP;
Masatomo Nagatani, Naga-gun, JP;
Seiichi Uemoto, Izumi, JP;
Kenji Kimura, Kishiwada, JP;
Tatsuya Hashimoto, Naga-gun, JP;
Takabumi Fujii, Suita, JP;
Hironori Yukisada, Hirakata, JP;
Masatomo Nagatani, Naga-gun, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
In a battery pack () that accommodates a plurality of batteries () arranged in parallel in a case () that forms a cooling-air passage (), the cooling-air passage () and a gas-discharge passage () for discharging gas leaking from the battery () when the battery () falls into abnormal state are formed and separated from each other in the case ().