High-strength filter with improved fatigue rating

Details High-strength filter with improved fatigue rating High-strength filter with improved fatigue rating

1987-07-06

1988-05-10

Therkorn, Ernest G.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

210443, 210DIG17, B01D 2708

Patent

active

047433744

ABSTRACT:
A high-strength spin-on filter (10) of improved fatigue strength comprises a cylindrical housing (12), a unitary cover (28) and an internal filter element assembly (18). The open end of the housing (12) is folded inwardly over the periphery of the cover (28) and into deformable engagement with radial projections (54) thereon to secure the cover and housing against both relative rotation and separation without stress concentrations that would otherwise decrease fatigue life of the filter (10) in high-pressure pulsatile hydraulic systems.

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