发明授权
US5501576A Static efficiency enhancer for axial fans 失效
用于轴流风机的静态效率增强器

Static efficiency enhancer for axial fans
摘要:
A static efficiency enhancer for an axial fan having a hub and a plurality of blades extending radially outward from the hub, the enhancer comprising a plurality of airfoils connected to the hub and extending outwardly therefrom to provide additional air velocity at the periphery of the hub.
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