Molten metal pump with filter

Details Molten metal pump with filter Molten metal pump with filter

1989-02-10

1990-07-10

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With separating means or guard for solid matter in working...

75407, 266227, F04D 2970

Patent

active

049403842

ABSTRACT:
A molten metal pump includes a filter that prevents ingestion of foreign material such as dross from molten metal within which the pump is immersed. The filter is a large structure that is secured to the base of the pump surrounding the pump's inlet. The filter forms a cavity adjacent the pump's inlet. The ratio of the surface area of the filter to the inlet area of the pump is very large; the filter has a low porosity while maintaining a high flow rate for the pump.

REFERENCES:
patent: 2808782 (1957-10-01), Thompson et al.
patent: 3289473 (1966-12-01), Sweeney et al.
patent: 4456424 (1984-06-01), Araoka
patent: 4504392 (1985-03-01), Groteke
patent: 4743428 (1988-05-01), McRae et al.
patent: 4786230 (1988-11-01), Thut

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