Molten metal pump with filter

Details Molten metal pump with filter Molten metal pump with filter

1990-06-05

1994-02-15

Kwon, John T.

Rotary kinetic fluid motors or pumps

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

266227, F04D 2970

Patent

active

052861635

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 due in part to a corrugated end wall included as part of the filter. The filter has a low porosity while maintaining a high flow rate for the pump.

REFERENCES:
patent: 585188 (1897-06-01), Davis
patent: 1673594 (1928-06-01), Schmidt
patent: 2566892 (1951-09-01), Jacobs
patent: 2698583 (1955-01-01), House et al.
patent: 4940384 (1990-07-01), Amra et al.

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