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:
Jan. 25, 2011
Filed:
Jul. 15, 2005
Shinji Hamada, Toyohashi, JP;
Toyohiko Eto, Toyota, JP;
Yoshitaka Sunagawa, Toyohashi, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
An inexpensive battery pack including a battery module wherein a safety valve is provided for each cell in which battery pack gas leakage can be prevented. A battery packhas a plurality of battery moduleseach including a plurality of cellsrespectively provided with a safety valve. The plurality of cellsincluded in each battery moduleare arranged such that safety-valve mounting wallsare oriented in the same direction. Each battery modulecomprises a gas duct membercovering all the safety valvesof the cellsincluded therein and forming a gas discharge pathbetween the gas duct memberand the safety-valve mounting walls, and a sealing memberfor hermetically sealing the gaps between each cell caseand the gas duct member