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Mixed flow rotor for molten metal pumping device

DC
  • US 6,303,074 B1
  • Filed: 05/14/1999
  • Issued: 10/16/2001
  • Est. Priority Date: 05/14/1999
  • Status: Expired due to Term
First Claim
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1. A device for pumping molten metal, the device comprising:

  • (a) a superstructure;

    (b) a motor positioned on the superstructure;

    (c) a drive shaft having a first end and a second end, the first end being connected to the motor;

    (d) a pump base having an input port, a pump chamber, a chamber wall and a discharge leading to an output port; and

    (e) a rotor connected to the second end of the drive shaft, the rotor positioned in said pump chamber and having a vane including;

    (i) a first surface for moving molten metal into the pump chamber, the first surface being angled;

    (ii) a second surface for moving molten metal towards the chamber wall, the second surface being positioned farther from the inlet than the first surface.

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