Patent ID: 7644718
Filing Date: 2010-01-12
Classification: A47L

Abstract:
1. A sump assembly of a dishwasher, comprising: a sump case installed at a bottom of tub of the dishwasher, for reserving washing water; a sump cover which seats on the sump case to cover an opening defined on an upper end of the sump case, the sump cover allowing washing water to pass through; a filter supporting sleeve extended a predetermined height from a top surface of the sump cover; a self-cleaning filter assembly installed on the filter supporting sleeve, and including an upper cover, a lower cover disposed under the upper cover, and a mesh filter disposed between the upper and lower covers to filter foreign objects entrained in the washing water which flows backward from the sump case; and a fluid passage guide for discharging the washing water stored in the sump case in a predetermined direction, the fluid passage guide having a washing pump therein, wherein the upper surface of the self-cleaning filter assembly is configured to be higher than the upper surface of the sump cover.