Patent ID: 8695139
Filing Date: 2014-04-15
Classification: D06F

Abstract:
1. A control method of a washing machine having a water tub and a rotary drum rotatably mounted therein to receive laundry, comprising: performing a washing operation to wash the laundry in the rotary drum with bubbles generated by a first bubble generation operation; performing a first drainage operation after the washing operation to remove water and wash residue from the washing machine; and performing a second bubble generation operation during the first drainage operation to introduce bubbles in the water tub and the rotary drum, wherein performing the second bubble generation operation comprises cycling a bubble generator on and off during the drainage operation, the bubble generator being cycled on and off more than one time during the drainage operation, and wherein the bubbles generated during the second bubble generation operation cause wash residue to float so that wash residue can be discharged together with water during the drainage operation.