| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor pump unit that utilizes a permanent magnet of a rotor to attract metal powder without an increase in the number of components.SOLUTION: In the motor pump unit in which a pump part is driven by a motor part, a drive shaft 50 is constituted by a magnetic material, the permanent magnet 72 of the rotor 70 is attached to one end of the drive shaft 50, the other end of the drive shaft 50 is exposed to a supply passage, and magnetic force of the permanent magnet 72 is caused to pass through the drive shaft 50, whereby a part of the drive shaft 50 exposed to the supply passage attracts the metal powder in the supply passage.SELECTED DRAWING: Figure 1 |
