| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotor for a motor capable of suppressing a cogging torque by suppressing a positional deviation caused by a manufacturing variation and a brushless motor including the same.SOLUTION: The rotor 2 for a motor includes: a cylindrical yoke 21; a plurality of permanent magnets 20, evenly disposed at an outer circumference of the yoke 21; recess groves 201, each formed on one of facing surfaces of the yoke 21 and the permanent magnet 20; and protrusive streaks 211, each formed on the other one of facing surfaces of the yoke 21 and the permanent magnet 20, fitted to the recess grove 201 by being deformed.SELECTED DRAWING: Figure 3 |
