| 摘要 |
PROBLEM TO BE SOLVED: To exhibit performance of cooling a frictional heat generated with sliding of a fixed axle and a rotational bearing as well as excellent self-suction performance. SOLUTION: A magnet capsule is installed to a fixed axle distributed in a casing body formed with a front casing and a rear casing through a fixed bearing and an impeller rotates in a magnet pump in which a concave groove is formed at regular intervals from an outside perimeter to an inside perimeter in an end circumference of the rear casing located at the rear side near the outer circumference of the impeller.
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