VACUUM WATER CLOSET

PROBLEM TO BE SOLVED: To prevent scattering of water in a bowl when a drainage valve is opened in a toilet bowl having a trap by providing a vacuum water closet in which the possibility of breakage of water seal is largely reduced. SOLUTION: A water projecting pipe 22 is provided around a rim of a bowl 21 of a toilet bowl 20 and water is supplied from a feed water pipe 23 to the pipe 22 through a feed water valve 24 so as to be delivered into the bowl 21. A trap 25 is provided at the bottom of the bowl. 21 and a secondary side of the trap 25 is connected to a flow outlet passage 26. A bowl discharge port at an end of the passage 26 is connected to a vacuum pipe 10 through a drainage valve 9. At the trap 25, a suspended wall 27 is 'provided so as to space the passage 26 apart from the bowl 21. A venting port 28 is provided at the upper surface of the passage 26 near the wall 27 and one end of a venting pipe 29 is connected to the port 28. The other end of the pipe 29 is raised to a level higher than the bowl 21.