Patent ID: 7922831

Claim:
A sump for a dishwasher, comprising: a sump case for collecting washing fluid; a pump housing seated on the sump case, the pump housing being provided with a pump case therein; a filtering assembly positioned on a upper portion of the pump housing to collect foreign objects and having a flow guide for collecting objects; and a sealing member disposed around the pump housing, wherein the flow guide includes a pressing rib for pressing a side surface of the sealing member and a volute rib spaced apart from the pressing rib, the pressing rib and the volute rib are protruded downward from the flow guide, and wherein the pump housing includes a supporter that supports the flow guide, a stepped portion on which the sealing member is disposed, and a volute rib seating portion that is stepped in response to a shape of the pump case, the stepped portion is provided at an outer side of the supporter and the volute rib seating portion is provided at an inner side of the supporter.