Molten metal impeller

Details Molten metal impeller Molten metal impeller

1997-04-23

1998-07-28

Verdier, Christopher

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Specific casing or vane material

415206, 4152171, 416181, 416182, 416241B, F04D 706

Patent

active

057854947

ABSTRACT:
An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a shaft. A plurality of circumferentially spaced passages extend from the top surface to a side wall of the impeller, each of the passages being separate and preferably having an inlet opening which is equal to or less than the corresponding outlet opening in size.

REFERENCES:
patent: 1865918 (1932-07-01), Junkers
patent: 2948524 (1960-08-01), Sweeney et al.
patent: 5088893 (1992-02-01), Gilbert et al.
patent: 5180280 (1993-01-01), Honda
patent: 5330328 (1994-07-01), Cooper

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