| 摘要 |
PROBLEM TO BE SOLVED: To provide a permanent magnet type electric rotating machine in which the motor efficiency can be enhanced while reducing cogging torque. SOLUTION: A relation ofθ1<=θ<=θ2 is set among the angleθformed between the center of rotation S and the opposite ends of each permanent magnet 9 where the inter-pole width is narrowest, the angleθ1 formed by the center of rotation S and the opposite ends at the slot opening part of a stator core 2 on the side facing a rotor 6, and the angleθ2 formed by the center of rotation S and the opposite ends at the tees part of the stator core 2 facing a rotor 6 through a gap 5. Since torque is enhanced, motor efficiency can be enhanced while reducing cogging torque.
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