Battery pack
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsSeiichi Uemoto, Kenji Kimura, Tatsuya Hashimoto, Takabumi Fujii, Hironori Yukisada, Masatomo Nagatani
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Abstract
In a battery pack (1) that accommodates a plurality of batteries (11) arranged in parallel in a case (2) that forms a cooling-air passage (3), the cooling-air passage (3) and a gas-discharge passage (4) for discharging gas leaking from the battery (11) when the battery (11) falls into abnormal state are formed and separated from each other in the case (2).
Claims1
A battery pack, including a plurality of batteries arranged in parallel and accommodated in a case that forms a cooling-air passage, wherein the cooling-air passage and a gas-discharge passage are formed and separated from each other in the case, and
- the case is formed by:
- a case body in which the cooling-air passage is formed in such a manner that one side face is opened and the other side face is closed and the gas-discharge passage is formed in such a manner that one side face is closed and the other side face is opened;
- and cover plates for respectively covering both side faces of the case body.
Dependencies are inferred from the claim text.