| 摘要 |
PROBLEM TO BE SOLVED: To provide a hygienic Western-style toilet bowl provided with an ejector to absorb exhaust air from its drain channel and prevent the collection of odors and waste water at the bowl when it is washed. SOLUTION: A water pipe 10 equipped with a washing control valve V<SB>1</SB>is connected to the rim 3 of a toilet bowl body 1. A branch pipe 11 is branching from upstream the washing control valve V<SB>1</SB>of the water pipe 10 and is connected with an ejector 20 via a U-shaped tube 12 and an ejector water supply valve V<SB>2</SB>. A water discharge outlet of the ejector 20 is connected with a second drain channel 7 via piping 13. An end of a negative-pressure transmission channel 21 is connected with an air suction 20a provided at the throat of the ejector 20. The other end of the negative-pressure transmission channel 21 is connected with the upper end 5a of the rising section of first drain channel 5. COPYRIGHT: (C)2006,JPO&NCIPI
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