Method for filtration of machine tool coolant

Details Method for filtration of machine tool coolant Method for filtration of machine tool coolant

1993-10-04

1995-01-10

Hruskoci, Peter A.

Liquid purification or separation

Processes

Separating

210783, 184 624, 409137, B01D 3600, F01M 110, F01M 1103

Patent

active

053804465

ABSTRACT:
A system and method for returning coolant from a number of machines to filter units, in which contaminated coolant collected in machines sumps is drawn upwardly through draw tubes and into an overhead downwardly inclined collector header by applying a vacuum in the collector header. The draw tubes extend above the collector header and are inclined downwardly and enter the collector header to aid the flow of coolant down the collector header. The contaminated coolant is drawn through the filter units, and the filtered coolant is drawn into venturi ejectors which generate the system vacuum, emptying into a clean tank from which is supplied filtered coolant back to the machine units.

REFERENCES:
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patent: 2426817 (1947-09-01), Charlton et al.
patent: 2430097 (1947-11-01), Bauer
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patent: 4430231 (1984-02-01), Bratten
patent: 4568460 (1986-02-01), Bratten
patent: 4861494 (1989-08-01), Bratten
patent: 5209841 (1993-05-01), Bratten
patent: 5230793 (1993-07-01), Lenhart et al.
patent: 5262071 (1993-11-01), Tuck

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