| 摘要 |
PROBLEM TO BE SOLVED: To newly provide a passage, a pump, and a filter structure for a dish washer. SOLUTION: This dish washer is equipped with an upper pump 76 for repeatedly pressurizing and supplying washing water to a spray arm 3, a pump 70 for circulating and draining including a lower pump 78 for draining washing water, a water collecting tub 60 formed on the washing passage connected to the pump 70 for circulating and draining under the bottom part inside the case 10, a filter equipped on the water collecting tub 60 to filter waste, a self- cleaning means for filter to clean the filter by itself, a waste collecting chamber 90 equipped on under the bottom face inside the case 10 to connect a delivery port 74b of the upper pump 76 and a drain passage 74f of the lower pump 78, a microfilter 92 equipped on the upper face of the waste collecting chamber 90 to filter waste from washing water discharged upside, and a filter means constituted of the microfilter self-cleaning means for self-cleaning of the microfilter 92 to filter washing water.
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