| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water supply device whereby water stored in a water tank is sucked up by a pump into a duct and supplied and to automatically stop the supply of water from the tip of the duct by means of an inexpensive arrangement when the pump is stopped. <P>SOLUTION: An air suction valve 10 for sucking air into a portion of a hose 3 through which water in a water tank 1 is sucked up by a pump 2 is provided so that when the pump 2 is stopped, siphon action by which the water in the water tank 1 is sucked up to the hose 3 is shut off to automatically stop the supply of water from the tip of the duct by means of an inexpensive arrangement. <P>COPYRIGHT: (C)2013,JPO&INPIT |
