发明授权
US06981843B2 Axial-flow fan structure 有权
轴流风机结构

Axial-flow fan structure
摘要:
An improved axial-flow fan structure is disclosed and claimed, which includes a hub and a plurality of blades. The hub has a top surface and a side surface around which the plurality of blades is mounted. A lateral air intake region is formed above the top surface of the hub and surrounded by edge portions of all of the blades. A lateral air intake surface around the lateral air intake region is constituted by the edge portions of all of the blades. A part of each of the edge portions is fastened to the side surface of the hub.
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