ratio of the impeller corresponding to the second load gear is 0 5 0 5 s with action time of 3 min and 10 s the rotation stop ratio of the impeller corresponding to the third load gear is 0 7 0 7 s with action time of 2 min and 13 s see fig7 after a certain time period of washing by using the agitating flow use the enhancing flow for washing and open the clothing so as to realize up down overturn of the clothing in the wash tub and achieve adequate washing at this moment rotation stop ratios of the impeller corresponding to the enhancing flow for the different load capacities are shown as follows during washing with the enhancing flow the overturning effect is not obvious due to less load and small friction on the loading cloth on the first load the rotation stop ratio of the impeller corresponding to the enhancing flow is that it rotates forward for 0 4 s and then stops for 0 4 s and again rotates forward for 0 4 s and then stops for 0 4 s after forward rotation in such a circular manner for 4 s it will rotate reversely for 0 4 s and then stop for 0 4 s and again run in such a circular manner for 4 s refer to fig6 for the gears of the second load and third load the impeller performs forward and reverse rotation as per corresponding rotation stop ratio namely the rotation stop.