CENTRIFUGAL PUMP
    1.
    发明申请
    CENTRIFUGAL PUMP 审中-公开
    离心泵

    公开(公告)号:US20150337973A1

    公开(公告)日:2015-11-26

    申请号:US14719935

    申请日:2015-05-22

    Abstract: The multi-stage submersible pump at the exit side is provided with a non-return valve (9) including a valve seat (19) and a shut-off body (15) which is movably arranged thereto in a limited manner and which is arranged with a positive fit and in a movable manner within a guide (16) surrounding the shut-off body (15) with play. The inner contour of the guide (16) tapers inwards towards the valve seat (19), counter to the main flow direction (13).

    Abstract translation: 在出口侧的多级潜水泵设置有止回阀(9),该止回阀(9)包括阀座(19)和截止阀体(15),其以有限的方式可移动地布置在其上并且布置 在具有游隙的围绕着切断体(15)的引导件(16)内以正的配合和可移动的方式。 引导件(16)的内部轮廓相对于主流动方向(13)朝向阀座(19)向内逐渐变细。

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