Jet pump and toilet stool having rim side water supply apparatus using the same

• Main Author: SHIN WOO-SEUNG,KIM BONG-SUK,LEE HONG-SUK
• Format: Patent
• Language: English
• Published: 09.11.2005
• Edition: 7
• Subjects: FIXED CONSTRUCTIONS; FLUSHING VALVES THEREFOR; SEWERAGE; WATER SUPPLY; WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES

A water closet mounted with a water supply device using a jet pump at a rim is provided to increase rim cleaning effect by installing the jet pump between a ball tap and a rim water passage of the water closet integrated with a reservoir. A water closet mounted with a water supply device using a jet pump(250) at a rim is composed of a reservoir for keeping the constant amount of the cleaning water by a ball tap(227) for supplying or cutting off the service water according to the inner water level; a water closet body having plural discharge holes separated at regular intervals on an inner peripheral surface of the rim receiving rim-cleaning water through a rim water passage(223) and a connecting pipe of the ball tap and a cleaning space formed at a lower side and connected with the lower side of the reservoir through a jet water passage(229); a water cock(213) for opening and closing the jet water passage discharge port formed at the lower side of the reservoir by an operating lever(212); the jet pump installed between the connecting pipe of the ball tap and the rim water passage to supply the mixed water formed by mixing the cleaning water of the reservoir and the service water to the rim water passage and composed of a jet nozzle, a throat, a diffuser, and an inlet port formed between the jet nozzle and the throat; and a ball guide pipe inserted with a ball and extended upward at predetermined depth between the jet nozzle and the throat to switch water supply toward the reservoir and the rim according to the water level.