Cooling system included in a battery charger for an electric vehicle.

摘要

[CONSTITUTION] A battery charger (28) for an electric vehicle comprises a built-in heatsink (162) provided with an air passage (163), and a built-in battery charger cooling fan (71) for producing an air current through the air passage (163) of the heatsink (162) to cool the heatsink (162). [EFFECT] The heatsink need not be provided with fins and hence the battery charger can be formed in a comparatively small size.