| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an intake valve, capable of preventing discharged water of from leaking out even when the discharged water flows backward from a water discharging pipe channel, and capable of flowing sucked open air through the water discharging pipe channel. <P>SOLUTION: The intake valve 1 attached to the water discharging pipe channel 2 while branching has an intake valve body 4 for sucking open air from the open air sucking opening 11 flowing the sucked open air the water discharging pipe channel 2 side in the ventilation opening 14. The storage 7 capable of storing a float 8 with a substantially semispheric shape is arranged between the intake in valve body 4 and the water discharging pipe channel 2. The float supporting part 55 supporting the float 8 in the back flow channel of the discharged water is arranged in the storage 7. The curved face part 54 is arranged in the water discharging pipe channel 2 side of a floating body 34 of the float 8 and the ventilating part 56 is secured around the float 8 supported by the float supporting part 55 in the storage 7. <P>COPYRIGHT: (C)2012,JPO&INPIT |
