Filtering apparatus

Details Filtering apparatus Filtering apparatus

1980-01-07

1981-08-04

Granger, Theodore A.

Liquid purification or separation

Structural installation

Closed circulating system

210DIG8, 210172, 210331, 2104161, B01D 2924

Patent

active

042820944

ABSTRACT:
An oil filtering and purifying apparatus comprising a closed pressure tank with fluid inlet and outlet openings and a plurality of vertically stacked filter units removably arranged within the tank; the filter units have central hubs with vertical flow passages; the flow passages of adjacent hubs communicate with each other and with the outlet opening; each unit includes a lower horizontal plate carried by its hub, a felting screen supported in spaced relationship above the plate and cooperating therewith to define a fluid conducting chamber below the screen and about the hub; and fluid ports in the hub communicating with the flow passage therein and with the chamber related thereto; the apparatus next includes a deposit of particulate filtering material atop the felting screen of each unit; a section line from said inlet opening to a supply of oil to be filtered; and a motor driven fluid pump with its inlet communicating with said outlet opening and its outlet communicating with an oil delivery line.

REFERENCES:
patent: 2902161 (1959-09-01), Humbert, Jr.
patent: 3147220 (1964-09-01), Avery
patent: 3187898 (1965-06-01), Belter
patent: 3279605 (1966-10-01), Shepherd
patent: 3337055 (1967-08-01), Strame et al.
patent: 3630361 (1971-12-01), Keaty
patent: 4043916 (1977-08-01), Wecher, Jr.

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