Patent ID: 8657211

Claim:
A water spouting device comprising: a) a nozzle for spouting water; b) a first closed water storage container for storing water at a water level within a predetermined range; c) a first compressed air supplier for feeding compressed air in an upper space in the first water storage container; d) a first aqueduct for connecting the first water storage container and the nozzle; e) a first open/close valve provided at a point in the first aqueduct; f) a controller for controlling spouting of water from the nozzle and stopping of the spouting water by opening or closing the first open/close valve, while controlling the first compressed air supplier on the feeding of compressed air in a manner as to maintain an air pressure in the upper space in the first water storage container at a predetermined level; g) a water supplier for supplying water to the first water storage container, the water supplier including: g1) a second closed water storage container for storing water at a water level within a predetermined range: g2) a second compressed air supplier for feeding compressed air in an upper space in the second water storage container; g3) a second aqueduct for connecting the second water storage container and the first water storage container: and g4) a second open/close valve provided at a point in the second aqueduct, wherein, the water-supply controller controls supply of water to the first water storage container and stopping of the water supply by opening or closing the second open/close valve, while controlling the second compressed air supplier on the feeding of compressed air in a manner as to maintain the air pressure in the upper space in the second water storage container at a second predetermined pressure that is higher than the predetermined pressure; and h) a water-supply controller for monitoring a water level in the first water storage container and controlling the water supplier to keep the water level within a predetermined range.