Yen Sun Technology Corp.

Chang-Sung Wang

Mei-Chih Fang

Graham Chen

Chia-Hsuan Kuo

A composite fan includes an outer frame, a hub body pivotably mounted to the outer frame, and a plurality of fan blades extending outwardly from the hub body. The outer frame includes a main frame body and an outer cover. The main frame body defines an air outlet opening in an axial direction and a plurality of air inlets opening radially. The outer cover is disposed on the main frame body and the outer cover and the main frame body are arranged in the axial direction, such that air is radially introduced into the composite fan through the air inlets and discharged through the air outlet in the axial direction.

Composite fan

A fan blade device includes a plurality of main fan blades and extension fan blades. Each main fan blade includes a main fan blade body arranged obliquely, a plurality of first protrusions, and at least one engaging groove. Each extension fan blade includes an extension fan blade body arranged obliquely and having a top surface that is contiguously flush with a top surface of the main fan blade body of a respective main fan blade, a plurality of second protrusions respectively abutting against the first protrusions of the respective main fan blade, and at least one engaging piece engaging the at least one engaging groove of the respective main fan blade.

Growing community of inventors

Kaohsiung, Taiwan

Chang-Sung Wang