Disposable fluid filters

Details Disposable fluid filters Disposable fluid filters

1978-12-21

1982-06-15

Cuchlinski, Jr., William A.

Liquid purification or separation

Plural distinct separators

Filters

210343, 210444, 210489, B01D 2502

Patent

active

043349943

ABSTRACT:
A disposable, oil filter cartridge is described. The cartridge comprises a shell of circular outline within which a stack of interconnected filter discs of octagonal outline are held in preloaded, compressed condition by an end cap attached to the outer, or open, end of the shell. The stack of filter elements has a plurality of tortuous passageways through which oil flows and is discharged, after filtration, centrally of the stack of filter elements, through the end cap. A compression spring maintains the integrity of the tortuous passageways which might otherwise be lost due to the expected reduction in thickness of the filter elements during use. A second embodiment of the invention illustrates a similar cartridge in which the filter discs are of hexagonal outline which facilitates their fabrication from a sheet of filter material.

REFERENCES:
patent: 2359475 (1944-10-01), Gauthier
patent: 2836302 (1958-05-01), Buckman
patent: 2856076 (1958-10-01), Whipple
patent: 3425563 (1969-02-01), Wilansky
patent: 3481472 (1969-12-01), Petri
patent: 3690460 (1972-09-01), Lindboe

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