Patent ID: 7904980
Filing Date: 2011-03-15
Classification: D06F

Abstract:
1. A method of controlling a washing machine that performs a washing operation using steam, comprising: selecting a steam washing course; setting a first wash water level necessary to wet laundry received in a rotary drum; determining, based on a user input, that the laundry is delicate clothes; resetting the first wash water level; operating the rotary drum having the laundry received therein in reverse while supplying water to the reset first wash water level; supplying steam to the wet laundry, thus performing a steam washing operation; detecting a water level in a water tub during the steam washing operation; determining whether or not the detected water level is equal to a preset second wash water level for the steam washing operation; and supplying a predetermined amount of supplementary water while operating the rotary drum in reverse until the detected water level is equal to the preset second wash water level.