| 摘要 |
A magnet pump comprising a front casing, a rear casing provided behind the front casing with a partition wall interposed therebetween, a rotary shaft extending from the front casing into the rear casing and supported by a bearing device provided in the partition wall, an impeller fixed to the rotary shaft within the front casing, a driven magnet drivingly connected to the rotary shaft within the rear casing and a drive magnet provided outside the rear casing and drivingly rotatable by a motor, the magnet pump being characterized in that the bearing device is formed at an intermediate portion thereof with lubricant supply channels, the partition wall having bores opposed to the rear plate of the impeller for guiding the liquid within the front casing into the rear casing therethrough, the rear casing having a supply bore for supplying a lubricant from outside into the rear casing therethrough, guide blades for guiding the liquid from the rear casing into the channels of the bearing device being provided on at least one of the surface of the partition wall and the surface of the rear casing which define the interior space of the rear casing.
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