Importance

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Abstract

A self-cleaning washing machine includes an inner drum, an outer drum and a chamber defined therebetween. The chamber is provided with cleaning pellets rotatable with water flow for cleaning walls of the inner and outer drums. An inner surface of the bottom of the outer drum includes at least one structure of: an inclined area formed on the inner surface along a circumferential direction with a height near a center of the bottom of the outer drum higher than that near a side wall of the outer drum; an annular water channel formed on the inner surface, being adjacent to the side wall of the outer drum, and recessed along the circumferential direction; and a water blocking convex rib formed on the inner surface corresponding to a side of the water drainage port along a rotation direction of the inner drum during dewatering.

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First Claim