Patent ID: 7634925

Claim:
A washing and drying machine comprising: a tub provided in a cabinet in a suspended manner; a drum rotatably provided inside said tub; a drying duct, having a drying heater and a circulating fan, said drying duct supplying hot air into said drum to dry laundry; and an air-cooling condensing unit that performs heat exchange between outside air introduced from the outside of the cabinet and circulated air to dry laundry such that water is condensed from the circulated air, wherein said air-cooling condensing unit comprises: an inlet port formed in the cabinet; an introduction channel that guides the outside air introduced through said inlet port into said tub; a condensing channel formed between the drum and the tub for condensing water from the circulated air; a condensing plate mounted in the condensing channel to perform heat exchange between the outside air introduced into the condensing channel and the circulated air; an outlet port formed in the cabinet; and a discharge channel that guides the heat-exchanged outside air to be discharged out of the cabinet through said outlet port.