Birch, Stewart, Kolasch & Birch, LLP
Centrifugal fan and impeller thereof
An impeller applied to a centrifugal fan includes a base plate, a hub and a plurality of first blades. The hub is connected to the base plate and the first blades are disposed on the base plate with respect to the hub as a center. Furthermore, the hub has a plurality of second blades disposed around its outer wall to enhance its performance. A centrifugal fan including the impeller is also disclosed.
Delta Electronics, Inc.
F F F F F
F04D F04D F04D F04D F04D
inventional inventional inventional inventional inventional
Chung-Kai Wen-Shi Te-Tsai Huan-Chi
Lan Huang Chung Chen