| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a self-cleaning strainer which generates no negative pressure in the strainer when water is sucked by driving a pump, is automatically washed with discharged water and does not lower the water suction capacity of the pump, and an aeration device using the self-cleaning strainer. <P>SOLUTION: A discharge nozzle Po and a suction port Pe respectively connected to the suction port and discharge port of the pump P through a suction pipe P1 and a discharge pipe P2 are formed in a strainer housing 1. At least one side surface of the strainer housing is formed of a perforated plate so as to discharge water to the outside from the discharge nozzle Po through the strainer housing. <P>COPYRIGHT: (C)2004,JPO</p> |
