Patent ID: 7832418

Claim:
A dishwasher in which dishes are housing a washing chamber, and washing water is sprayed from washing nozzles to clean the dishes, and rinsing water is sprayed from rinsing nozzles to rinse the dishes in the washing chamber, comprising: a washing water distribution pipe arranged within the washing chamber and on which the washing nozzles are installed; and a rinsing water distribution pipe arranged within the washing chamber and on which the rinsing nozzles are installed and which can be installed integrally with the washing water distribution pipe, wherein an upstream end of the washing water distribution pipe is removably attached to a first connecting pipe connected to an outlet side of a washing water supply pump in a washing water tank in the bottom of the washing chamber such that the first connecting pipe extends toward the opposite side of the front surface of the washing water tank, wherein the rinsing water distribution pipe is removably attached to a second connecting pipe connected to the outlet side of a rinsing water supply pump in the washing water tank; wherein the washing water supply pump is installed in a front surface of the washing water tank so that an inlet and an outlet of the washing water supply pump are positioned within the washing water tank, wherein the washing water distribution pipe comprises a main line portion from the upstream end passing through a rear of the washing chamber to a top portion of an interior of the washing chamber, and an upper upstand pointing directly downwards in a center of the top portion, and the washing water distribution pipe further comprises a lower upstand directly below the upper upstand branching from the main line portion and pointing directly upwards, wherein the main line portion of the washing water distribution pipe is fixed to the rear surface of the washing chamber by a bracket, and wherein the rinsing water distribution pipe is arranged within the washing water distribution pipe, and the second connecting pipe is arranged within the first connecting pipe.