Patent ID: 7520146

Claim:
A steam drum washing machine comprising: a casing; a tub disposed within the casing and adapted so that water is supplied into the tub; a drum rotatably mounted in the tub and adapted so that clothes are put in the drum and the water is supplied into the drum; a vane located in the drum, the vane being configured to lift and drop clothes when the drum is rotated; a steam generator located in the casing to heat water to generate steam and to supply the steam into at least one of the tub and the drum; and a water-supply unit to supply water into the tub and to the steam generator, the water-supply unit including: a water-supply valve assembly mounted at the casing to supply water into the tub and to the steam generator; a tube connected between the water-supply valve assembly and the steam generator; and a steam tube having one end connected to the steam generator and the other end in communication with the inside of the tub.