Centrifugal pump for abrasive liquids

Details Centrifugal pump for abrasive liquids Centrifugal pump for abrasive liquids

1978-09-13

1981-05-26

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415170B, F04D 2908

Patent

active

042695660

ABSTRACT:
In the pumping of abrasive liquids, particularly drilling mud, the packing and seals of the centrifugal pump are quickly cut out, making replacement and down time a problem. The present invention utilizes the abrasive liquid being pumped to function instead of packing and seals, furthermore, the suction chamber is between the abrasive liquid forming the seal, within the sealing housing, and the primary impeller chamber.

REFERENCES:
patent: 1314875 (1919-09-01), La Bour
patent: 1789528 (1931-01-01), Lewis
patent: 2603160 (1952-07-01), La Bour
patent: 2711332 (1955-06-01), Audemar
patent: 3230890 (1966-01-01), Yokota et al.
patent: 3639073 (1972-02-01), Beck, Jr. et al.

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