Apparatus for processing metalworking fluid

Details Apparatus for processing metalworking fluid Apparatus for processing metalworking fluid

1997-12-24

1999-09-07

Upton, Christopher

Liquid purification or separation

Structural installation

Closed circulating system

210171, 2101951, 210254, 210523, 2105321, 210538, B01D 1712

Patent

active

059482443

ABSTRACT:
An apparatus 18 for processing metalworking fluid disposed in a sump 12 beneath a machine 10 is disclosed. Various construction details of the apparatus are developed and provide for removal of tramp oil from the working medium fluid and the aeration of the metalworking fluid to retard the formation of anaerobic bacteria. In one detailed embodiment, the apparatus includes a circulation system 42 having a by-pass flowpath 82f for supplying pressurized metalworking fluid to a fluid distribution system 14 and thence to the sump.

REFERENCES:
patent: 4655940 (1987-04-01), Harms
patent: 4773992 (1988-09-01), Dietrich et al.
patent: 4872997 (1989-10-01), Becker
patent: 5089118 (1992-02-01), Mahoney
patent: 5300220 (1994-04-01), McEwen
patent: 5458770 (1995-10-01), Fentz

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