Patent ID: 7815746

Claim:
A dishwasher comprising: a tub enclosing a washing chamber; a sump holding washing water to be supplied to the tub; an air break assembly having a steam generating unit including a steam chamber having a heater to heat washing water to be supplied to the tub wherein a part of the steam generating unit is disposed at a side of the tub; a water supply passage formed in the air break assembly, through which washing water is supplied to the steam generating unit; a steam passage formed in the air break assembly and located higher than the water supply passage, through which the steam generated by the steam generating unit is supplied to the tub, wherein the steam passage can be openable through a steam valve when the steam is supplied to the steam chamber; and a tub passage that directly supplies water remaining in the steam generating unit to the sump, wherein the tub passage can be closable through a discharge valve when the steam is supplied to the steam chamber.