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:
Aug. 23, 2005
Filed:
Apr. 16, 2001
Hironori Ura, Hiratsuka, JP;
Hiroki Takeshima, Fujisawa, JP;
Ryoichi Hamasaki, Katano, JP;
Osamu Aoya, Aichi, JP;
Takehiro Chinen, Aichi, JP;
Hironori Ura, Hiratsuka, JP;
Hiroki Takeshima, Fujisawa, JP;
Ryoichi Hamasaki, Katano, JP;
Osamu Aoya, Aichi, JP;
Takehiro Chinen, Aichi, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A battery pack includes a plurality of cells () stacked on top of one another in tiers; a heat collecting plate () made of a wave-like metal sheet and interposed between tiers of the cells so as to make contact with outer peripheral surfaces of upper and lower tiers of the cells alternately; a heat pipe () having its heating portion () fitted into a fitting groove () formed in the heat collecting plate; a pack case () for accommodating the cells, the heat collecting plate, and the heat pipe; and a heat dissipating member () attached to the pack case so as to close an opening of the pack case and having on its inner-surface side a concavely-formed receiving groove () into which a heat dissipating portion () of the heat pipe is fitted.