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    • 3. 发明公开
    • Liquid ring pump
    • Flüssigkeitsringpumpe。
    • EP0554937A1
    • 1993-08-11
    • EP93200193.6
    • 1993-01-26
    • Tecnomare S.p.A.
    • Dalla Rosa, Alberto
    • F04C7/00
    • F04C7/00
    • A pumping device for multi-phase fluids in which in a disc casing of toroidal peripheral profile provided on its inner surface with a tube of Pitot tube type connected to a delivery pipe there is rotatably mounted a bladed impeller arranged eccentric to the casing axis in a position approximately diametrically opposite said Pitot tube, a second delivery pipe being provided in that casing region opposite the intake pipe about the plane containing both the axis of the casing and the axis of the impeller and in proximity to this latter axis, automatic valves being provided in the pipes.
    • 一种用于多相流体的泵送装置,其中在其内表面上设置有连接到输送管的皮托管型管的环形外周轮廓的圆盘壳体中可转动地安装有叶片式叶轮,其以 位于与皮托管大致直径相对的位置,第二输送管设置在与进气管相对的壳体区域中,围绕包含壳体的轴线和叶轮的轴线并且靠近后轴的平面,提供自动阀 在管道里。