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发明授权
US07967553B2 Pump with cutting impeller 有权
泵与切割叶轮

Pump with cutting impeller
摘要：
A pump having an axial impeller (40) with helical blades (38) for sucking liquid through an intake opening (38) formed at a bottom side of the axial impeller (40), in which the blades (38) are provided, at the bottom side of the axial impeller (40), with a first cutting edge (58) which, when the axial impeller (40) rotates, are in cutting relation with at least one second cutting edge (60) formed at the intake opening (36).
摘要（中）：

一种具有轴向叶轮（40）的泵，其具有螺旋叶片（38），用于通过形成在所述轴向叶轮（40）的底侧处的入口（38）来吸入液体，所述入口开口（38）设置在所述轴向叶轮 具有第一切削刃（58），当所述轴向叶轮（40）旋转时，所述第一切削刃与形成在所述进气口（36）处的至少一个第二切削刃（60）处于切割关系 ）。

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