US Patent 7758703 Dishwasher and method of supplying water to the dishwasher

Provided are a dishwasher and a method of supplying water in the dishwasher. The dishwasher includes a tub defining a washing chamber; a sump retaining washing water that is supplied to the tub; a steam generating device mounted on a side of the tub and having a steam chamber provided with a heater heating washing water; a first passage through which the washing water is supplied to the steam chamber; a second passage supplying the steam generated by the steam generating device from the steam chamber to the tub; and a third passage that supplies the washing water remained in the steam chamber to the sump after the steam is generated.