Patent ID: 7302815

Claim:
A washing machine and dryer comprising: a cabinet; a tub provided in the cabinet; a drying unit including a drying duct of which one end is connected with an interior of the tub, and a heater provided in the tub; a condensation unit including; a condensation duct of which one end is connected with the drying duct and the other end is connected with the tub, and through which air in the tub passes, a cooling water supply unit, which supplies cooling water supplied from an outside to the interior of the condensation duct to contact the air passing through the condensation duct with the cooling water, and a cooling water dropping unit, which collects the cooling water supplied to an interior of the condensation duct and drops the cooling water to an interior space of the condensation duct; a circulation fan, which circulates the air in the tub via the condensation duct and the drying duct; a drain pump, which discharges washing water in the tub outside the cabinet; and a siphon hose connecting a drain hose connected with the drain pump with the cooling water supply unit.