Axial flow fan blade and axial flow fan
A technology of axial-flow blades and blades, which is applied in the direction of mechanical equipment, machines/engines, liquid fuel engines, etc., can solve the problem of unstable air outlet effect of the air supply air flow, so as to achieve not easy radial diffusion and stable air outlet effect Effect
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[0028] Example 1, please refer to Figure 1-Figure 5 As shown, this embodiment provides an axial fan blade, including: a hub 1 and several blades 2 arranged on the hub 1 along the circumferential direction, each blade 2 has a leading edge 21, an outer edge 22 and a tail connected in sequence. The straight line formed by the two ends of the edge 23 and the outer edge 22 is the first straight line, and the angle between the first straight line and the first plane is α, wherein, the first plane is perpendicular to the axis of the hub 1, and 20°≤α≤35 °.
[0029] In this embodiment, the axial-flow fan blade obtained through the above-mentioned design, by optimizing the structure of the blade 2, the angle between the straight line formed by the two ends of the outer edge 22 and the plane perpendicular to the axis of the hub 1 is α, and 20° ≤α≤35°. Therefore, the air outlet effect of the air supply airflow generated by the axial flow blades is more stable, and the problem of radial...
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