Patent ID: 7594282

Claim:
A western-style toilet facility comprising: a western-style toilet body including; a rim and a toilet bowl, a first trap continuing into the toilet bowl, a second trap disposed at a downstream side of the first trap, a water-discharge channel for communicating the first trap and the second trap; an ejector inhaling and discharging air from the a water-discharge channel when the western-style toilet body is cleaned; a negative pressure transmission channel for transmitting negative pressure of the ejector to the water-discharge channel; a negative pressure tank provided in a middle of the negative pressure transmission channel; a negative pressure transmission valve opened when the western-style toilet body is cleaned, said negative pressure transmission valve being provided in the negative pressure transmission channel between the negative pressure tank and the water discharge channel, a water-supply pipe for supplying water to the rim; a cleaning control valve provided in a middle of the water-supply pipe; a branch pipe branched from the water-supply pipe at a more upstream side than the cleaning control valve, and connected to the ejector; an ejector water-supply valve for the ejector provided in the branch pipe; and a valve control device first forming negative pressure in the negative pressure tank by opening the ejector water-supply valve for the ejector for a predetermined time preceding to the cleaning operation for the toilet body, and then opening the cleaning control valve and the negative pressure transmission valve.