Invention Grant
- Patent Title: Battery charger capable of efficiently cooling secondary battery in battery pack and charging circuit unit in battery charger
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Application No.: US14326214Application Date: 2014-07-08
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Publication No.: US09917452B2Publication Date: 2018-03-13
- Inventor: Yuji Kishima , Toshio Mizoguchi
- Applicant: HITACHI KOKI CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: Hitachi Koki Co., Ltd.
- Current Assignee: Hitachi Koki Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: JP2013-146381 20130712
- Main IPC: H02J7/00
- IPC: H02J7/00 ; H05K7/20
Abstract:
A battery charger that is configured to charge a battery pack including a secondary battery includes: a housing; and a charging circuit unit disposed in the housing. The housing defines a first air passage in which air flows to cool the secondary battery and a second air passage in which air flows to cool the charging circuit unit. The second air passage is independent from the first air passage.
Public/Granted literature
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