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    • 102. 发明授权
    • Axial flow fan with multiple segment blades
    • 带多段叶片的轴流风机
    • US07025569B2
    • 2006-04-11
    • US10321468
    • 2002-12-18
    • Shun-Chen ChangKuo-Cheng LinWen-Shi Huang
    • Shun-Chen ChangKuo-Cheng LinWen-Shi Huang
    • B63H1/16
    • F04D29/38F04D29/681
    • An axial flow fan with a plurality of segment blades is described. The axial flow fan has a base, a hub and a plurality of blade units. The hub is mounted on, or pivots on, the base and supports the blade units. Each of the blade units is connected to a periphery of the hub and extends radially outward from the base has a plurality of segment blades. A segment space between the segment blades reforms a boundary layer of fluid passing over the segment blades and reduces the thickness of the boundary layer on the blade surfaces. As a result, the separation between the blade surfaces and fluid is avoided to maintain a laminar flow of the fluid adjacent to the segment blades.
    • 描述了具有多个段叶片的轴流风扇。 轴流风扇具有基座,毂和多个叶片单元。 轮毂安装在底座上或枢转于底座并支撑刀片单元。 每个叶片单元连接到毂的周边并且从基部径向向外延伸具有多个段叶片。 段叶片之间的段空间改变了通过段叶片的流体的边界层,并且减小了叶片表面上的边界层的厚度。 结果,避免了叶片表面和流体之间的分离,以保持流体与片状叶片相邻的层流。