| 摘要 |
PURPOSE: A fan is provided to achieve improved performance of the fan and lengthen useful life of the fan by preventing foreign substances from entering the fan. CONSTITUTION: A fan comprises a rotating unit(100), a fixing unit(200) and a casing(300). The rotating unit includes a blade part(110) having a plurality of blades(111) and a rotating shaft(112), a magnet(130) coupled to the inner periphery of the blade part, and a magnet support(120). The fixing unit includes a plurality of cores(210) wound with a coil(220), and a substrate(230) coupled with a power line(240). The casing includes a mounting portion where the fixing unit is coupled, a support(310) where the rotating shaft of the rotating unit is inserted, and which has a bearing(311), and a plurality of support ends(321) for supporting the mounting portion and the support. The fixing unit is molded with a plastic material, and the outer periphery of the core and the power line are exposed outward.
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