Patent ID: 7854152

Claim:
A drum laundry machine comprising: a laundry tub; a laundry drum located inside the laundry tub; a water supply tube connected to a water supply valve; a steam generator provided in the laundry machine, the steam generator including: a container provided with a water supply port configured to be connected to the water supply tube of the laundry machine to receive water and a steam exhaustion port configured to be connected to a steam supply tube of the laundry machine to supply steam into the laundry tub of the laundry machine to perform a laundry course; a heater to heat the water supplied into the container; and a drain unit having an inlet to drain water which remains inside the container, wherein the water supply valve supplies water to the steam generator through the water supply tube to operate the drain unit after supplying steam into laundry tub, thereby maintaining the cleanness of the steam generator.