Laundry dryer and method for controlling laundry dryer
AssigneeLG Electronics Inc.
InventorsYoungmin BYOUN, Daehyun KIM
Life of this patent
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Abstract
A method for controlling a laundry dryer includes a steam supplying step for supplying steam to a heat exchange unit, a cleaning step for controlling a cleaning unit after the steam supplying step to spray cleaning water to the heat exchange unit according to preset spraying criteria, and a drying step for drying the heat exchange unit after the cleaning step. The method is performed for eliminating and sterilizing foreign substances, microorganisms, and the like in the heat exchange unit.
Claims9
A method for controlling a laundry dryer, the laundry dryer including a heat exchange assembly and a washing device configured to wash the heat exchange assembly, the method comprising:
- supplying steam to the heat exchange assembly;
- after supplying the steam to the heat exchange assembly, spraying washing water to the heat exchange assembly by controlling the washing device;
- drying the heat exchange assembly after spraying the washing water to the heat exchange assembly;
- and
- blowing air toward the heat exchange assembly to thereby sterilize the heat exchange assembly by heating the heat exchange assembly based on a thermal equilibrium between the air and the heat exchange assembly.
Dependencies are inferred from the claim text.