Battery packs having improved heat radiation
First Claim
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1. A battery pack for a power tool comprising:
- a housing comprising charging and discharging terminals disposed on the housing for alternative coupling with the power tool and a battery charger,a plurality of battery cells disposed within the housing, with some of the battery cells including contact portions in contact with the charging and discharging terminals,a cooling air passage defined within the housing enabling cooling air to pass through the housing, anda partition separating the cooling air passage from the contact portions of the battery cells such that cooling air moving through the housing is prevented from encountering the contact portions of the battery cells.
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Abstract
A battery pack (1) has a double casing structure, including an inner case (2) disposed inside an outer case (3). The inner case (2) includes a radiator plate (9) that is in contact with the side walls of battery cells (4) disposed within the battery pack (1). A forked air passage (32) extends from an air inlet (27) and is defined between the inner case (2) and the outer case (3) and along the outer surface of the radiator plate (9) until reaching a pair of air outlets (31).
38 Citations
10 Claims
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1. A battery pack for a power tool comprising:
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a housing comprising charging and discharging terminals disposed on the housing for alternative coupling with the power tool and a battery charger, a plurality of battery cells disposed within the housing, with some of the battery cells including contact portions in contact with the charging and discharging terminals, a cooling air passage defined within the housing enabling cooling air to pass through the housing, and a partition separating the cooling air passage from the contact portions of the battery cells such that cooling air moving through the housing is prevented from encountering the contact portions of the battery cells. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification