| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wash-out type sewerage discharging device for enabling efficient washing. <P>SOLUTION: The wash-out type sewerage discharging device (a sewerage washer 1 and a water closet 50) includes a bowl part 4 having a sewerage receiving face 12 and a rim part 14, a rim discharge part 20, and a drain trap duct 30 having an inlet 32, a rising duct 34 rising obliquely backward from the inlet along the back face of a rear wall forming the sewerage receiving face, and a falling duct 36 continued with the rising duct and extending downward. The rising duct includes a constant cross section part 40 where the cross section of the duct is constant only in a predetermined length from the rear wall lower end of the sewerage receiving face along the further downstream side than a position right-angled to a bottom face 38 of the rising duct, and an enlarged cross section part 42 where the cross section on the downstream side of the constant cross section part is gradually enlarged. <P>COPYRIGHT: (C)2013,JPO&INPIT |
