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    • 10. 发明授权
    • Water pumps
    • 水泵
    • US5749707A
    • 1998-05-12
    • US713352
    • 1996-09-13
    • Yuji Nomoto
    • Yuji Nomoto
    • F04D29/24F04B49/00
    • F04D29/242
    • A water pump comprises an impeller including a rotor main body and vanes arranged to protrude from an end face of the rotor main body and disposed radially. Each vane has an inlet portion which faces an inlet port of a housing and has an inner end which is substantially perpendicular to the direction of cooling water flowing from the inlet port to the inner periphery of each vane. The inlet portion of the vane has a circular arc with an inclination angle which is substantially identical to an inflow angle of cooling water.
    • 一种水泵,包括:叶轮,其包括转子主体和布置成从转子主体的端面突出并且径向设置的叶片。 每个叶片具有面向壳体的入口的入口部分,并且具有基本上垂直于从入口到每个叶片的内周边的冷却水的方向的内端。 叶片的入口部分具有与冷却水的流入角基本相同的倾斜角的圆弧。