<p>A clothes dryer (D) comprising: a clothes dryer body having a heater (27) therein; a drying chamber rotatably provided in said body; a dual side bladed fan (17) of heat exchange type having in the outer portion a group of rotating grooves (22); and a partition member (28) having an opening of which the inner surface is opposed to the outer surface of said dual side bladed fan, for separating paths of said heated air (25) and said cooling air (33) together with said dual side bladed fan (17) in said body; said partition member (28) having in the inner portion a group of fixed grooves (30) engaged with said rotating grooves in labyrinth; said fixed grooves (30) having a rising portion (31) rising up to said heated air path on the base portion; said rising portion (31) having a hole (32) through which said fixed grooves (30) are connected with said heated air path (25) at the end in a direction of air flow.</p>
