Battery charger capable of efficiently cooling secondary battery in battery pack and charging circuit unit in battery charger

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United States of America Patent

PATENT NO 9917452
SERIAL NO

14326214

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Abstract

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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.

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First Claim

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Patent Owner(s)

  • HITACHI KOKI CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kishima, Yuji Hitachinaka, JP 14 229
Mizoguchi, Toshio Hitachinaka, JP 25 478

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