Liquid purification or separation – Diverse distinct separators – Including a filter
Patent
1984-07-24
1986-09-23
Fisher, Richard V.
Liquid purification or separation
Diverse distinct separators
Including a filter
210342, 2104165, 210469, 2104973, B01D 2926
Patent
active
046134379
ABSTRACT:
A coolant filter assembly is described particularly adapted for filtering particulate matter from coolant fluid used with corrective lens grinding and edging machines. The device has a bowl-shaped housing which has an opened upper end and a lower end having a fluid outlet duct. A primary filter screen is attached across the opened end of the housing and is preferably made from stainless steel wire mesh. The central portion of the primary filter screen is covered by a coolant distribution dish which radially distributes discharged contaminated coolant fluid around the periphery of the primary filter screen. After passing through the primary filter screen, coolant material flows through a pair of concentrically arranged cylindrical particulate filters and thereafter is discharged through the outlet duct into a coolant tank. The device is easily used with existing coolant handling systems and features removable filter elements for cleaning or replacement.
REFERENCES:
patent: 911583 (1909-02-01), Focht
patent: 1332358 (1920-02-01), Petersen
patent: 2675102 (1954-04-01), Scales
patent: 2835392 (1958-05-01), Hamilton
patent: 2955390 (1960-10-01), Phillips
patent: 3239065 (1966-03-01), Hunt
patent: 3920554 (1975-11-01), Sanders
patent: 4205710 (1980-06-01), Dunicz
patent: 4344777 (1982-08-01), Siposs
Fisher Richard V.
Millard Wanda L.
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