| 摘要 |
PROBLEM TO BE SOLVED: To suppress corrosion of a magnet.SOLUTION: A rotor 10 includes: a rotor core 11 having an open hole 13; a magnet 20 inserted in the open hole 13; and a fixed material 30 composed of an insulation material filled inside the open hole 13. On a front end surface 23 in an insertion direction A in the magnet 20, a front side protrusion 25 composed of the insulation material is formed. An entire surface of the magnet 20 is covered with the front side protrusion 25 composed of the insulation material, a rear side protrusion 26, a first coupling protrusion 27, a second coupling protrusion 28, and the fixing material 30, so that the surface of the magnet 20 is not exposed outside.SELECTED DRAWING: Figure 2 |
