| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnet pump which eliminates the unbalance of an impeller and the vibration during the rotation, and stabilizes the head capacity. SOLUTION: In the magnet pump to transmit the drive force of a motor to the impeller by the attraction force between magnets facing each other across a pump body, a space between a back side of the impeller and a surface of an impeller housing to accommodate the impeller which faces the back side of the impeller is set to a value so as to be largely affected by the surface tension of a liquid discharged from the magnet pump.
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