Patent ID: 8684016

Claim:
A dish washing machine comprising: a body; a washing tub in the body; a sump unit in the washing tub; a first injection nozzle disposed at a center portion of the sump unit and directly connected to the sump unit; and at least one second injection nozzle disposed at an upper side of the first injection nozzle, the sump unit comprising: a sump housing; an impeller arranged in the sump housing, to pump wash water from the sump housing; and a guide member, to which the sump housing is mounted, the guide member guiding the wash water pumped by the impeller directly to the injection nozzle, wherein the impeller has a center horizontally offset from a central vertical axis of the sump housing, wherein the guide member comprises a mounting portion to which the impeller is mounted, a first channel branched from the mounting portion while extending toward a center portion of the guide member so as to directly guide a flow of water discharged from the impeller to the first injection nozzle, and a second channel branched from the mounting portion while extending to surround an outer side of the first channel so as to guide the flow of water to the second injection nozzle.