Seal-free impeller pump for fluids containing abrasive materials

Details Seal-free impeller pump for fluids containing abrasive materials Seal-free impeller pump for fluids containing abrasive materials

1984-02-17

1985-07-09

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

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

415121G, 415213A, 415170B, 415 98, F03B 1310, F04D 706

Patent

active

045279470

ABSTRACT:
A submersible impeller pump capable of pumping fluids carrying materials such as sand, stones, sewage, and which requires little or no maintenance is provided. The pump includes a housing having an impeller unit including arcuate vanes, eccentrically mounted therein, the impeller having a pair of circular expeller faces on each side of the arc-shaped vanes, in order to effect water seals within the pump housing, to eliminate the need for mechanical seals. Thus, only the motor driving the pump need be sealed, when submersed, the pump itself requiring no critical bearings or seals.

REFERENCES:
patent: 2207317 (1940-07-01), Gear
patent: 2890660 (1959-06-01), Umbricht
patent: 3154019 (1964-10-01), Hoyt
patent: 3171357 (1965-03-01), Egger

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