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    • 22. 发明申请
    • FAN
    • 风扇
    • US20110236228A1
    • 2011-09-29
    • US13052830
    • 2011-03-21
    • Nicholas Gerald FITTONKevin John Simmonds
    • Nicholas Gerald FITTONKevin John Simmonds
    • F04B53/20
    • F04D25/084F04D29/626F04D29/703F04F5/16
    • A portable fan includes a casing having an air inlet, and an air outlet having an interior passage for receiving an air flow, and a mouth for emitting the air flow, the interior passage extending about an opening through which air is drawn by the air flow emitted from the mouth. The fan includes an impeller and a motor for rotating the impeller to generate an air flow between the air inlet and an air outlet which has a static pressure of at least 150 Pa downstream from the impeller. A filter unit is detachably connected to the casing. A filter of the filter unit is located upstream of the air inlet to remove airborne particulates from the air flow before it enters the casing.
    • 便携式风扇包括具有空气入口的壳体和具有用于接收空气流的内部通道的空气出口,以及用于发射空气流的口,所述内部通道围绕空气流过空气的开口延伸 从嘴里排出 风扇包括叶轮和电动机,用于使叶轮旋转,以在空气入口和空气出口之间产生空气流,空气出口与叶轮下游具有至少150Pa的静压力。 过滤器单元可拆卸地连接到壳体。 过滤器单元的过滤器位于空气入口的上游,以在其进入壳体之前从空气流中除去空气中的微粒。