Barrier flange filter assembly including cover

Details Barrier flange filter assembly including cover Barrier flange filter assembly including cover

1986-03-20

1991-04-09

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210137, 210232, 210420, 210456, 210485, 2104932, 55461, 55498, 55502, 55503, 55521, B01D 2706, B01D 2708

Patent

active

050062352

ABSTRACT:
The disclosure describes a filter assembly comprising a housing, a cover, a barrier flange, a flow tube, and a filter unit. The housing has an opening and the cover is detachably and sealingly mounted to the housing at one end of the opening. The barrier flange is detachably and sealingly mounted to the housing within the opening and has upstream and downstream sides and an aperture extending therebetween. The housing further has at least one port which communicates with the opening between the cover and the barrier flange. The flow tube has first and second ends. It is joined at the first to the cover and extends through the aperture and the barrier flange and is joined to the barrier flange. The flow tube also includes at least one orifice between the barrier flange and the cover. The filter unit is mounted to the second end of the flow tube and includes a hollow cylindrical filter element and first and second impervious end caps, the flow tube communicating with the interior of the filter element via an aperture in the first end cap.

REFERENCES:
patent: Re30779 (1981-10-01), Cooper
patent: 3908693 (1975-09-01), Cooper
patent: 4279746 (1981-07-01), Leutz
patent: 4299696 (1981-11-01), Rosaen et al.

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