Patent ID: 8166782

Claim:
A drum-type washing machine comprising: a tub having an inlet to allow in hot air and an outlet to discharge the hot air out of the tub, the tub providing a condensing space in which the hot air is condensed; a drum rotatably placed in the tub; a condensing device placed in the tub; a duct to circulate the condensed hot air, the duct directly connected to the inlet and outlet of the tub to receive the condensed air through the outlet and resupply into the tub through the inlet such that the hot air is condensed more in the condensing space of the tub than in the duct; a heater to heat the air of the duct; a blower to blow the air of the duct toward the tub, wherein the duct is disposed at an upper portion of the tub and the inlet is positioned at a front portion of the tub and the outlet is positioned at a rear portion of the tub, and wherein the outlet of the tub is positioned over the condensing device such that the condensed hot air from the condensing device flows into the duct.