Cartridge-type filtering assembly for motor oil and the like

Details Cartridge-type filtering assembly for motor oil and the like Cartridge-type filtering assembly for motor oil and the like

1982-01-18

1983-09-27

Therkorn, Ernest G.

Liquid purification or separation

Diverse distinct separators

Including a filter

210342, 210487, 210492, 2104931, B01D 2700

Patent

active

044067879

ABSTRACT:
A cartridge-type oil-filtering assembly comprises two coaxially nested tubular filter elements of star-shaped cross-section consisting of undulating sheet material of fine and super-fine porosity, respectively, each filter element defining an annular array of generally triangular compartments. Respective compartments of the fine and the super-fine filter element communicate with each other through the pores of the super-fine filter element as well as through individual bypasses of relatively reduced cross-section; these bypasses may be formed by channels extending within annular face plates of the cartridge or by apertures in the undulation peaks of the super-fine filter element.

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