| 摘要 |
<p>Disclosed is a dishwasher, which reduces a pressure loss generated from a valve device to converting a channel. The dishwasher includes a washing tub (10) to wash dishes; a sump (20) installed under the washing tub to store washing water; a pump assembly (30) installed at one side of the sump to pump the washing water; upper and lower channels (41,42) connected to the pump assembly; and upper and lower spray arms (13,14) connected to the upper and lower channels (41,42) to spray the washing water to the inside of the washing tub, and a valve device (50) rotated around a rotary shaft parallel with the flowing direction of the washing water to selectively open the upper and lower channels is provided between the pump assembly and the upper and lower channels.
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