Patent ID: 6339312
Filing Date: 2002-01-15
Classification: H01M,H02J,Y02E

Abstract:
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.