Multi-stage filter frame assembly

Details Multi-stage filter frame assembly Multi-stage filter frame assembly

1992-04-30

1993-02-02

Hart, Charles

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

55483, 55486, 55493, 55513, 55DIG31, B01D 4602

Patent

active

051834880

ABSTRACT:
A multi-stage filter assembly having a number of filter media layers, at least one of which is removably mounted to a filter frame, utilizes a retaining clip to hold the filter media in place. The retaining clip is in the form of an elongated strip that extends across the filter media and has its ends disposed within channels formed in the frame. The elongated strip is provided with a centrally located bend that causes the ends of the clip to be urged upwardly into engagement with the framework and causes a portion of the clip to be urged downwardly into engagement with the filter media.

REFERENCES:
patent: 3243943 (1966-04-01), Geyzin
patent: 3774377 (1973-11-01), Bishop
patent: 4762053 (1988-08-01), Wolfert

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