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    • 2. 发明授权
    • Integrally formed stamped sheet-metal blades having 3D structure
    • 整体成形的具有3D结构的冲压板金属片
    • US06634856B2
    • 2003-10-21
    • US10132217
    • 2002-04-26
    • Huan-Jan ChienYee-Ren ChenJing-Fuh ChenRong-Jau Liaw
    • Huan-Jan ChienYee-Ren ChenJing-Fuh ChenRong-Jau Liaw
    • F04D2944
    • F04D29/4266F04D29/2222F04D29/2233F04D29/281Y10S416/03
    • Integrally formed stamping sheet-metal blades having 3D structure for impeller or diffuser of a centrifugal pump or blower includes at least two integral forming blade or vane members. Each blade or vane member has a plurality of relatively short 3D blades or vanes extending radially outward and an engaging edge of selected shape. Two or more blade or vane members may be positioned and stacked together through mating the engaging edge and be spot welded to form a complete impeller or diffuser assembly. The blade or vane may be joined to form a completed smooth blade or vane, or may be spaced from each other to form a multi-row blade or vane assembly. The impeller and vane assembly may be made with less number of stamping molds and jigs. Production is less expensive. Positioning and assembly of the blade and vane is easier at a lower cost.
    • 具有用于离心泵或鼓风机的叶轮或扩散器的3D结构的整体形成的冲压片金属叶片包括至少两个整体形成的叶片或叶片构件。 每个叶片或叶片构件具有径向向外延伸的多个相对较短的3D叶片或叶片以及选定形状的接合边缘。 可以通过配合接合边缘将两个或更多个叶片或叶片构件定位和堆叠在一起,并进行点焊以形成完整的叶轮或扩散器组件。 叶片或叶片可以被连接以形成完整的平滑叶片或叶片,或者可以彼此间隔开以形成多排叶片或叶片组件。 叶轮和叶片组件可以用较少数量的冲压模具和夹具制成。 生产成本较低。 刀片和叶片的定位和组装更容易以更低的成本。