| 摘要 |
PURPOSE: A cooling fan for a synchronous generator is provided to prevent the reverse flow of circulating air into the inside of a frame by forming secondary wings on the outside of a fan body. CONSTITUTION: A fan compulsively circulates the inner heat of a synchronous generator(5). The synchronous generator includes a stator(11), a rotor(13), and a cooler(21). The rotor generates electricity by rotating on the center of the stator. The cooler cools heat which is generated by the rotation of the rotor. A main wing part is radially combined to the inside of a fan body. A plurality of secondary wing parts(33) is radially formed on the outside of the fan body.
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