Patent ID: 8434503

Claim:
A dishwasher, comprising: a sump that stores washing water; a drainage chamber provided at a side of the sump and linked with a drainage pump; a dirt chamber including a main path that supplies the washing water supplied from the sump to a plurality of spray arms, a sub path that supplies some of the washing water supplied from the sump to the drainage chamber, a dirt storage device that stores the washing water passed through the drainage chamber, and a collection pipe that supplies the washing water of the drainage chamber to the dirt storage device; a filter provided above the dirt storage device, that filters the washing water; a connection pipe linked to an end of the sub path and located inside the drainage chamber; and a bypass path having an inlet and an outlet, wherein the inlet of the bypass path is connected with the drainage chamber and the outlet of the bypass path is connected with a circumference of the sump, wherein the bypass path includes a bending part formed at a position higher than the filter, and wherein a path bending device is provided between an outlet of the connection pipe and the inlet of the bypass path to allow dirt drained from the connection pipe to be precipitated away from the inlet of the bypass path.