| 摘要 |
PROBLEM TO BE SOLVED: To provide a siphon-jet toilet bowl which enables savings in the quantity of flushing water, and which can secure a necessary flushing function. SOLUTION: This siphon-jet toilet bowl 10 for supplying the flushing water by utilizing water head pressure of the flushing water comprises a bowl portion 16, a rim spout 24, a drainage trap pipeline 28 for discharging filth by siphonage, a jet spout 26, a rim driving channel 32 for supplying the flushing water to the rim spout, and a jet driving channel 34 for supplying the flushing water to the jet spout. The jet driving channel comprises branch water channels 34a and 34b which branch off into a plurality of parts, a merging portion 36 which merges flushing water flows from the plurality of branch water channels with one another so as to whirl it toward the jet spout, and a flow straightening portion 38 for straightening the flushing water flow merged in the merging portion. The merging portion is provided with an outer wall portion 40 which is almost linearly formed so that the whirling flushing water in an outside area can frontally collide with it, and an inner wall portion 42 in which a curved portion is formed so that the whirling flushing water in an inside area can smoothly flow toward the jet spout. COPYRIGHT: (C)2009,JPO&INPIT
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