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:
May. 08, 2012
Filed:
Oct. 02, 2007
Shuhei Marukawa, Toyohashi, JP;
Naoki Fukusako, Toyohashi, JP;
Masahiro Misu, Nissin, JP;
Syogo Yoneda, Toyohashi, JP;
Toyohiko Eto, Toyota, JP;
Shuhei Marukawa, Toyohashi, JP;
Naoki Fukusako, Toyohashi, JP;
Masahiro Misu, Nissin, JP;
Syogo Yoneda, Toyohashi, JP;
Toyohiko Eto, Toyota, JP;
Panasonic EV Energy Co., Ltd., Kosai-shi, JP;
Abstract
In a battery pack where a fan is housed within a case housing a battery stack, the noise generated from turbulence of a medium that is supplied and exhausted between a fan opening of the fan and the battery stack is reduced. The battery pack has a battery stack, a cooling fan installed adjacent to the battery stack and having a fan opening formed in a top surface for taking in cooling air after cooling the battery stack, an upper case for covering the upper part of the battery stack and the cooling fan, and a junction duct for guiding the cooling air after cooling the battery stack to the fan opening. The junction duct is formed from the duct lower unit having an opening formed at a location facing the fan opening and one wall of the upper case in contact with a lower end and periphery of the duct lower unit.