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发明公开
CN108302053A 直列式轴流风扇 无效 - 撤回

直列式轴流风扇
摘要：
本发明提供一种直列式轴流风扇，其具备：第一轴流风扇，其将从进气侧吸入的空气从排气侧吹出；以及第二轴流风扇，其沿着第一轴流风扇的中心轴连接于第一轴流风扇且将从进气侧吸入的空气从排气侧吹出，上述直列式轴流风扇对第一轴流风扇的排气侧的端部和第二轴流风扇的进气侧的端部进行了连接，而且，第一叶轮具备向径向外侧延伸并且沿着周向排列的多个第一叶片，第二叶轮具备向径向外侧延伸并且沿着周向排列的多个第二叶片，第一叶片以及第二叶片的至少一方具备辅助叶片部。而且，在将第一叶片的个数设为Nin、将第二叶片的个数设为Nout且将第一支撑肋以及第二支撑肋的个数设为Nrib时，满足Nin＜Nout＜Nrib。
摘要（英）：

A serial axial flow fan according to the present disclosure includes a first axial flow fan that blows out air drawn in from an intake side to an exhaust side, a second axial flow fan connected to thefirst axial flow fan along a central axis of the first axial flow fan, the second axial flow fan blowing out the air drawn in from an intake side to an exhaust side, wherein an end portion of the first axial flow fan on the exhaust side and an end portion of the second axial flow fan on the intake side are connected to each other. A first impeller includes a plurality of first blades that extendoutwards in the radial direction and that are arranged in a circumferential direction, the second axial flow fan including a second impeller that rotates about the central axis. A second impeller includes a plurality of second blades that extend outwards in the radial direction and that are arranged in the circumferential direction, auxiliary blade portions being included in at least either of thefirst blades and the second blades, and Nin

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