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    • 1. 发明授权
    • Fan blade for agricultural combine cooling system
    • 用于农业联合冷却系统的风扇叶片
    • US06616411B2
    • 2003-09-09
    • US10053515
    • 2001-10-25
    • Alan David SheidlerRebecca Ann Frana-GuthrieHenry OlsenYong ParkJackie NormanGary Keys
    • Alan David SheidlerRebecca Ann Frana-GuthrieHenry OlsenYong ParkJackie NormanGary Keys
    • F04D2938
    • F04D29/70F04D29/384
    • A passive fan blade for a cooling package for use in an agricultural combine comprises a generally rectangular member having an axis, a central mounting area and two opposed legs, each leg having a middle region, a leading region and a trailing region, the leading and trailing regions being angled toward the downstream direction of intended air flow. The trailing regions increase in width in proportion to distance from the axis, while the leading regions decrease in width in proportion to distance from the axis, whereby the member is impelled to rotate in the direction of the leading edges when air flows past the member. In an assembly, the passive fan blade is mounted via a bearing assembly and mounting hardware onto a hub connected to a bracket. In a cooling package, the passive fan blade assembly is mounted on a frame in close proximity to a face of a radiator or a charge air cooler to provide turbulence thereby minimizing accumulation of chaff, dust and debris in order to maintain cooling efficiency.
    • 一种用于农业组合件的用于冷却包装的无源风扇叶片包括具有轴线,中心安装区域和两个相对的腿的大致矩形的构件,每个腿部具有中间区域,前部区域和后部区域, 尾部区域朝向预期空气流的下游方向成角度。 尾部区域的宽度与从轴线的距离成比例地增加,而前导区域的宽度与从轴线的距离成比例地减小,由此当空气流过构件时,构件被推动沿着前缘的方向旋转。 在组件中,无源风扇叶片通过轴承组件和安装硬件安装到连接到支架的轮毂上。 在冷却包装中,无源风扇叶片组件安装在靠近散热器或增压空气冷却器的表面的框架上,以提供湍流,从而最小化谷壳,灰尘和碎屑的积聚,以保持冷却效率。