초록 ▼

A charger includes a battery pack receiving therein a plurality of batteries and having a projection provided with a contacting terminal, and a charger section having a mounting hole provided with a charging terminal, the battery pack being set on the charger section with the projection mounted into

A charger includes a battery pack receiving therein a plurality of batteries and having a projection provided with a contacting terminal, and a charger section having a mounting hole provided with a charging terminal, the battery pack being set on the charger section with the projection mounted into the mounting hole of the charger section for charging the batteries. The battery pack has vent ports through a wall on the side having the projection, while the charger section has blast ports at positions opposing the vent ports and a blower disposed to be on a side of the mounting hole and below the blast ports, for blowing air from the blower, through the vent ports into the interior of the battery pack, for elevating blow rate to the battery pack, battery cooling and gas discharge out of the battery pack.

대표청구항 ▼

1. A charger comprising a battery pack, and a charger section;said battery pack including a housing containing a plurality of batteries, having a contacting terminal means disposed on an outer periphery of the pack, vent ports formed in a wall of the housing which said charger section engages, and a

1. A charger comprising a battery pack, and a charger section;said battery pack including a housing containing a plurality of batteries, having a contacting terminal means disposed on an outer periphery of the pack, vent ports formed in a wall of the housing which said charger section engages, and a temperature sensing means disposed in the housing for detecting a battery temperature; and said charger section having a charging terminal means engaging the contacting terminal means, means for charging the batteries in the battery pack through the contacting and charging terminal means, blast ports being aligned with the vent ports of the battery pack, and a blower for blowing air towards and into the blast ports to blast ventilation airflow through the blast and vent ports into the interior of the battery pack; a portion of the interior of the battery pack housing being isolated from the ventilation airflow to define a non-ventilated space, and wherein the temperature sensing means is disposed in the non-ventilated space.