Patent ID: 8621695
Filing Date: 2014-01-07
Classification: D06F

Abstract:
1. A method of controlling a washing operation of a washing machine having a tub containing water, a drum rotatably installed in the tub, and a heater installed in the tub to heat water supplied to the tub, and a water supply pipe to guide water supplied from a water pipe through a water supply valve into the tub, comprising: supplying water into the tub through the water supply pipe; soaking a laundry with the water by rotating the drum; after completing the soaking the laundry, re-supplying water in the tub through the water supply pipe for controlling a water level in the tub to be a preset level required for a generation of steam; and generating the steam by heating the water in the tub using the heater, and supplying the steam into the drum through apertures of the drum, wherein the supplying the water includes supplying the water in the vicinity of a storage part provided at a bottom of the tub to allow the water to be supplied to the storage part without passing the laundry, and wherein the preset level in the re-supplying is a level that allows the heater to be submerged in the water, while not allowing a bottom of the drum to be submerged in the water.