| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a canned motor pump that can restrain a decrease in pump efficiency.SOLUTION: In a canned motor pump 1, a restraining part 130 for restraining foreign bodies contained in liquid in a pump chamber 31 from flowing into a clearance between a rotor 80 and a separation plate 41 is provided at an outer periphery of an end part of the rotor 80 on the side of an impeller 70. The outer diameter of the restraining part 130 is made larger than the outer diameter of a magnet 82.</p> |
