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    • 4. 发明授权
    • Siroco fan of a window type air conditioner
    • 窗式空调的Siroco风扇
    • US06461103B2
    • 2002-10-08
    • US09854692
    • 2001-05-15
    • Sung-Chun Kim
    • Sung-Chun Kim
    • F04D2928
    • F04D29/30F04D29/283Y10S416/02
    • A siroco fan of a window type air conditioner, in which the rotational speed can be increased without changing the quantity of the blowing air and without increasing the operational noise, thereby improving the marketability of the air conditioner. The siroco fan has a shroud and a plurality of blades disposed at the shroud and spaced apart at regular intervals, each of the blades having a trailing edge angle of 125° to 137°, a leading edge angle of 58° to 63°, a chord-to-pitch ratio of 0.75 to 0.85, an inner diameter-to-outer diameter ratio of 0.82 to 0.86, and a maximum camber position of 0.3 to 0.4 of a chord length of the blade.
    • 一种窗式空调的西洛酮风扇,其中可以增加旋转速度而不改变吹入空气的量并且不增加操作噪声,从而提高空调的可销售性。 硅酮风扇具有护罩和设置在护罩处并以规则间隔隔开的多个叶片,每个叶片具有125°至137°的后缘角度,58°至63°的前缘角度, 弦 - 间距比为0.75至0.85,内径与外径之比为0.82至0.86,最大外倾位置为叶片长度的0.3至0.4。