Cooling fan
    66.
    发明授权
    Cooling fan 有权
    冷风扇

    公开(公告)号:US08083480B2

    公开(公告)日:2011-12-27

    申请号:US11955297

    申请日:2007-12-12

    IPC分类号: F04D29/06

    摘要: A cooling fan includes a fan housing (10) having a shaft seat (16) extending downwardly therefrom, a stator (20) being fixedly mounted around the shaft seat, a shaft (80) with a top end being fixedly connected to the shaft seat and a free end (82) extending downwardly therefrom, a rotor (30) comprising a hub (32) having a plurality of blades (34) extending radially and outwardly, and a sleeve bearing (40). A fixing tube (36) extends upwardly from a center of the hub. The fixing tube has a closed bottom end and defines a fixing hole (360) therein. The sleeve bearing is fixedly received in the fixing hole of the fixing tube to rotate with the rotor. A bearing hole is defined in the sleeve bearing for extension of the free end of the shaft therethrough.

    摘要翻译: 冷却风扇包括具有从其向下延伸的轴座(16)的风扇壳体(10),围绕轴座固定地安装的定子(20);轴(80),其顶端固定地连接到轴座 和从其向下延伸的自由端(82),包括具有径向和向外延伸的多个叶片(34)的毂(32)的转子(30)和套筒轴承(40)。 固定管(36)从轮毂的中心向上延伸。 固定管具有封闭的底端并且在其中限定固定孔(360)。 套筒轴承固定在固定管的固定孔中,与转子一起旋转。 轴承孔被限定在套筒轴承中,用于延伸轴的自由端。