| 摘要 |
PROBLEM TO BE SOLVED: To provide a water jet pump capable of exhibiting strong suction force, for requiring to pumping out a large quantity of water and remove refuse, for example, when exchanging water of a water tank. SOLUTION: This water jet pump 10 comprises a spiral water jet pipe 11 connected to a faucet 13, a plurality of suction branch pipes 14 opening toward the inside 11a of this water jet pipe 11 and a suction main pipe 15 respectively connected with these suction branch pipes 14. The suction force of the plurality of suction branch pipes 14 is integrated, to be strongly sucked from a suction port of the suction main pipe 15. COPYRIGHT: (C)2008,JPO&INPIT
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