Molten metal pump impeller system

Details Molten metal pump impeller system Molten metal pump impeller system

2005-07-19

2005-07-19

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Smooth runner surface for working fluid frictional contact

C415S206000, C416S181000, C416S182000

Reexamination Certificate

active

06918741

ABSTRACT:
An impeller system for use in a molten metal pump, the impeller system including a generally cylindrical outer wall with outlets therein, an impeller lid mounted on the impeller walls, the impeller lid including a plurality of inlets, with the shaft being mounted directly into a base, which is mounted relative to the outer wall. The impeller system has an open interior defined by the outer wall, the lid and the base, and the impeller shaft mounts directly into the base without the need for a collar or attachment to the impeller lid.

REFERENCES:
patent: 6464458 (2002-10-01), Vild et al.

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