US Patent 10184207 Laundry treatment apparatus

A laundry treatment apparatus includes a cabinet. The laundry treatment apparatus further includes an outer tub. The laundry treatment apparatus further includes a circulation duct that is configured to guide air circulating through the outer tub. The laundry treatment apparatus further includes an exhaust duct that is configured to guide air exhausted from the outer tub. The laundry treatment apparatus further includes an air suction duct that is configured to guide air from outside the laundry treatment apparatus into the outer tub. The laundry treatment apparatus further includes a fan that is configured to circulate air through the outer tub. The laundry treatment apparatus further includes a heater that is located in the circulation duct and that is configured to heat air entering the outer tub. The laundry treatment apparatus further includes a plurality of heat-exchanging tubes. The laundry treatment apparatus further includes a condensed water pipe.