Filter with filtration envelope spacing means

Details Filter with filtration envelope spacing means Filter with filtration envelope spacing means

1988-01-11

1989-05-09

Hart, Charles

Liquid purification or separation

Structural installation

Closed circulating system

210314, 2104165, 210445, B01D 3506

Patent

active

048286940

ABSTRACT:
A fluid filter for use in a fluid system wherein fluid is forced through the filter by a suction source connected to the filter outlet is disclosed. In addition to a housing defining a volume, with an inlet and an outlet, and a filtration media envelope inside said volume, the filter further includes an envelope spacing means to support the envelope against collapse, and fluid flow spacing means between the housing and the envelope. In a preferred embodiment, the envelope spacing means comprises a grid assembly inside the envelope, connected to the housing inlet to maintain proper positioning.

REFERENCES:
patent: 3784011 (1974-01-01), Ward
patent: 4402827 (1983-09-01), Joseph
patent: 4410341 (1983-10-01), Edwards et al.
patent: 4450081 (1984-05-01), Anderson et al.
patent: 4600511 (1986-07-01), Sherman et al.
patent: 4604200 (1986-08-01), Machart

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