| 摘要 |
A pipe work 10 provided with a cleaning control valve V<SUB>1 </SUB>is connected to a rim 3 of a toilet main body 1 in a hygienic western-style toilet facility provided with an ejector inhaling and discharging air from a water-discharge channel where there is no possibility for odors and filthy water to be supplied to a toilet bowl in cleaning operation. A branch pipe 11 is branched from more upstream side than the cleaning control valve V<SUB>1 </SUB>of the water-supply pipe 10 , and is connected to the ejector 20 through a U-shaped pipe 12 and an ejector water-supply valve V<SUB>2</SUB>. A discharge outlet of water of the ejector 20 is connected to a second water-discharge channel 7 through a pipe work 13 . One end of a negative pressure transmission channel 21 is connected to an air suction inlet 20 a provided at a throat portion of the ejector 20 . The other end of the negative pressure transmission channel 21 is connected to an upper end 5 a of a rising portion of a first water-discharge channel 5.
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