Axial pump and riser
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 19, 2024
Grant Date -
Nov 30, 2023
app pub date -
May 26, 2022
filing date -
May 26, 2022
priority date (Note) -
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status (Latency Note)
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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.
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