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Axial fan, particularly for cooling a heat-exchanger in a motor-vehicle
Axial fan, particularly for cooling a heat-exchanger in a motor-vehicle
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机译:轴流风扇,特别是用于冷却机动车辆中的热交换器的轴流风扇
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摘要
The fan comprises a hub, the axis of which coincides with the axis of rotation of the fan, and a plurality of blades which extend from the hub between a minimum radial distance from the axis in the vicinity of the hub and a maximum radial distance. In the vicinity of the hub, the cross-section of each blade has an angle of attack and an angle of curvature which are substantially equal to 0° and, starting from the hub, the cross-sections of each blade have angles of attack and angles of curvature which increase as the radial distance from the axis increases, up to a radial distance of between 30% and 40% of the radial extent of the blade.
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