Axial pump and riser
    1.
    发明授权

    公开(公告)号:US12146508B2

    公开(公告)日:2024-11-19

    申请号:US17826111

    申请日:2022-05-26

    Inventor: Paul V. Cooper

    Abstract: A device for pumping molten metal includes a pump configured to pump molten metal, wherein the pump comprises (i) a motor, (ii) a shaft having a first end connected to the motor, and a second end connected to a rotor, wherein the rotor is configured to push molten metal upwards as it rotates. At least part of the shaft and the rotor are positioned in a conduit of a riser. The riser has an outer surface, a front, a bottom, a two-stage conduit, an inlet and an outlet above the inlet and below the motor. The two-stage conduit has a lower stage and a an upper stage, wherein the lower stage is generally cylindrical and the upper stage has a circular cross-sectional portion and one or more lobes extending from and in communication with the circular cross-sectional portion.

    Liquid dispensing tap and closure assembly therefor

    公开(公告)号:US10112818B1

    公开(公告)日:2018-10-30

    申请号:US15615891

    申请日:2017-06-07

    Inventor: Chris Murray

    Abstract: A liquid dispensing tap having a body and a closure assembly. The closure assembly having a stirrup, a closure member and a spring assembly attached to each of the stirrup and the closure member. The spring assembly having a first spring and a second spring on opposing sides of the closure member, the springs having a first end and a second end and a curved region therebetween, the first ends of the spring members being oblique to the closure axis of the closure member and the second ends of the spring members being oblique to the stirrup plane of the stirrup plane.

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