Patent ID: 7950257

Claim:
A dryer or a washing machine comprising: a cabinet which forms an exterior of the dryer or the washing machine; a drum rotatably mounted in the cabinet; and a steam generator provided outside the drum and at an upper portion of the machine between the cabinet and the drum to supply steam to the drum, wherein the steam generator includes; a water chamber to hold water, the water chamber including a main portion having a vertical length greater than a horizontal length in which a heater is placed and the horizontal length of the water chamber at the main portion is smaller than that at any other portion of the water chamber; a steam chamber provided above the water chamber to hold steam generated as the water is heated, the steam chamber having a horizontal direction length relatively greater than the horizontal length of the main portion of the water chamber; and a steam discharge opening for discharging the steam from the steam chamber, wherein the steam discharge opening is provided with a wall to prevent the water from splashing into the drum through the discharge opening at the time the heater is heated in the water chamber.