| 摘要 |
A noise reducing structure for a fan motor is provided to layer a core diagonally and extend the slot width of the core and increase the length and eccentricity of the permanent magnet. A noise reducing structure for a fan motor is equipped with a permanent magnet and a core having a slot. The core is layered diagonally. The slot width of the core is extended and the eccentricity and the length of the permanent magnet are increased. The intensity of the magnetic reluctance repulsive power is small and the cogging noise is reduced as the magnetic force in the corner of the permanent magnet is weak. |
