Air-assisted hydraulic re-circulatory bouyancy pump

Details Air-assisted hydraulic re-circulatory bouyancy pump Air-assisted hydraulic re-circulatory bouyancy pump

1979-10-01

1982-02-23

Freeh, William L.

Conveyors: fluid current

With adjunctive substance added

Solid

37 61, 417108, F04F 118

Patent

active

043166806

ABSTRACT:
A pump system for being set up to work in deep water, for use in sea bed mining; the system including three pipes, a first of which carries compressed air downward and to a lower portion of a main second or eduction pipe through which mined material is carried upwardly with sea water, and a third pipe also carrying bouyancy media downward to the lower portion of the main pipe, so to assist the upward flow of the water carrying the mined material.

REFERENCES:
patent: 1932497 (1933-10-01), Wellensiek
patent: 3010232 (1961-11-01), Skakel et al.
patent: 4028009 (1977-06-01), Gudzenko et al.
patent: 4106817 (1978-08-01), Tsuzuku et al.

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