Invention Grant
US09568008B2 Rotor structure of fan and manufacturing method thereof 有权
风机转子结构及其制造方法

Rotor structure of fan and manufacturing method thereof
Abstract:
A rotor structure of a fan includes a bushing, a hub, a shaft and a plurality of blades. The hub has a top portion and a sidewall, and the top portion of the hub covers the bushing. The hub and the bushing are made by the same material. One end of the shaft is connected to the bushing, and the shaft is disposed inside the top portion. The blades are disposed on the outer side of the sidewall of the hub. A manufacturing method of the rotor structure is also disclosed.
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