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:
Dec. 13, 2011
Filed:
Dec. 13, 2006
Takeyuki Goto, Ibaraki, JP;
Toshiaki Onuki, Saitama, JP;
Tunemi Aiba, Gunma, JP;
Koutarou Ikeda, Ibaraki, JP;
Takeyuki Goto, Ibaraki, JP;
Toshiaki Onuki, Saitama, JP;
Tunemi Aiba, Gunma, JP;
Koutarou Ikeda, Ibaraki, JP;
Hitachi Vehicle Energy, Ltd., Ibaraki, JP;
Abstract
The present invention provides to a battery module which is excellent in cooling performance of a battery and is improved in assembling easiness at low cast. A battery moduleaccommodates assembled battery blocksarranged in series in an exterior case formed in an approximately hexahedral shape in parallel, each assembled battery blockincluding six assembled battery units electrically connected in series and each assembled battery unit including four cylindrical unit cells arrange such that their polarities are alternating. An exterior case is formed by connecting a lower lidhaving a front face, a bottom face, and a back face and an upper lidhaving a left side face, an upper face, and a right side face. End portions of the left side face, the upper face, and the right side face of the upper lid are drawn at the sides of the front face and the back face of the lower lid.