Liquid purification or separation – Processes – Separating
Patent
1987-05-06
1988-09-20
Sever, Frank
Liquid purification or separation
Processes
Separating
210805, 210806, 210807, 210 86, 210 98, 210104, 210124, 2101951, 210241, 210244, 210258, 210259, 210265, 210313, 210314, B01D 2500, B01D 2700
Patent
active
047724021
ABSTRACT:
A system for processing and reclaiming machine tool coolant wherein filtering apparatus mounted upon a portable frame is transported to the machine tool and includes pumps for cycling coolant from the machine tool coolant reservoir through coarse and fine filters to remove contaminating foreign matter, including bacteria. The apparatus includes an accumulating reservoir receiving and supplying pumped coolant and the pumps are controlled by float-operated switches maintaining a sequence of pump operation to assure efficient pump operation.
REFERENCES:
patent: 3897335 (1975-07-01), Brandt
patent: 4361488 (1982-11-01), White et al.
patent: 4519904 (1985-05-01), Helmick
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