Patent ID: 7896975

Claim:
A sump assembly comprising: a sump housing for holding washing water; an impeller housing secured to the sump housing for placing an impeller pumping the washing water therein; a filter housing provided on an upper portion of the impeller housing for placing a filter filtering the washing water therein; a connection device for making a lower portion of the filter housing in fluid communication with the sump housing and introducing leaked washing water in the filter housing into the sump housing to discharge the leaked washing water; and a soil chamber housing provided in the sump housing, having a flow passage for guiding pumped washing water to spray nozzles, wherein the connection device comprises an inlet hole formed in the filter housing, an outlet hole formed in the soil chamber housing, and a guide pipe for connecting the inlet hole with the outlet hole, the guide pipe providing an unobstructed passage from the inlet hole to the outlet hole and wherein the guide pipe does not contact the impeller housing.