| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a battery-driven vacuum cleaner, with which a heated battery pack can be stably and surely cooled, and the battery pack to be used therefor. SOLUTION: The battery-driven vacuum cleaner is provided with a battery pack (3), with which a plurality of secondary batteries (4) are bundled and an electric wire is attached, a battery pack housing part (2) internally housing the battery pack, a motor (7) to be driven by the battery pack, a fan (6) to be driven by the motor for sucking air from the outside, a dust cup (9) for separately storing dust or the like in the air sucked by the fan, and a housing (1) for internally housing the battery pack housing part, the motor and the fan and inside the battery pack, a heat storage member (32) is arranged to conduct heat with the secondary batteries.</p> |
