Anordning för att medge ventilation av en bärbar elektrisk apparat

摘要

Arrangement at a portable electric apparatus having a main unit containing electronic equipment, and a power source unit. The arrangement is designed to allow ventilation of gaseous media in both directions inside and out from the main unit and from the main unit and from the power source unit due to changes in ambient temperature. One or more channels are provided for ventilating gasesous media in a controlled fashion via vent orifices in one or both units.