Buoyant pump assembly

Details Buoyant pump assembly Buoyant pump assembly

1991-01-31

1993-02-16

Bertsch, Richard A.

Pumps

Buoyantly supported

417 12, 415 7, 2102421, F04D 1500

Patent

active

051866102

ABSTRACT:
A drilling mud water recovery apparatus for water collecting on drilling mud precipitated out of the mixture includes a buoyant pump assembly free floating on a layer of water above drilling mud. The pump assembly is connected with a source of electrical energy through electrical controls for a predetermined timed operation of the pump and protecting the pump motor against high and low voltages above or below a predetermined value and a current interrupting function in the event of an electrical short.

REFERENCES:
patent: 3397647 (1968-08-01), Daniel
patent: 3547553 (1970-12-01), Stanfield
patent: 4405458 (1983-09-01), McHugh, Jr.
patent: 4744729 (1988-05-01), Hasten et al.
patent: 4789307 (1988-12-01), Sloan

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