Filtering column for filtering heavy fuels under pressure at hig

Details Filtering column for filtering heavy fuels under pressure at hig Filtering column for filtering heavy fuels under pressure at hig

1982-09-28

1987-04-21

Metz, Andrew H.

Liquid purification or separation

Filter

With movable means to compress medium

2104164, 210338, 210346, 210488, 210498, B07B 2300

Patent

active

046594680

ABSTRACT:
The filtering column is of the type comprising a perforated hollow metal tubular body (11) around which is disposed a stack (20) of metal rings (27) having deformations forming spacing elements and defining therebetween filtering interstices. The rings (27) have an inside diameter exceeding the outside diameter of the tubular body (11) so as to define between the inner periphery of each ring and the outer periphery of the tubular body a limited radial clearance (26) which does not exceed the elastic limit of each individual ring. The rings (27) constitute a stack (20) retained axially on the hollow body (11) in an undetachable manner with an axial clearance exceeding the aforementioned radial clearance.

REFERENCES:
patent: 4402829 (1983-09-01), Cordua

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