Self-cleaning filter

Details Self-cleaning filter Self-cleaning filter

1987-02-10

1989-02-21

Castel, Benoit

Liquid purification or separation

Diverse distinct separators

Including a filter

210305, 210315, 210338, 210342, 210422, 2104973, 210499, B01D 2904

Patent

active

048062421

ABSTRACT:
A filter without moving parts comprises a filter body adapted to be fitted in the flow direction into a conduit conveying a fluid to be filtered. A filter screen has a frustoconical outer filter wall with at least part of its larger diameter end inside the filter body. A collection space inside the filter body surrounds the filter screen. At least one offtake conduit is connected to this collection space. An inner filter wall of the filter screen extends at least partly into the outer filter wall from its smaller diameter end. A back wall intersects the inner filter wall and a further collection space is delimited by the inner filter wall and this back wall at the end of this inner filter wall farthest removed from the smaller diameter end of the outer filter wall. A further, separate offtake conduit is connected to the further collection space and passes substantially radially through the inner filter wall and the outer filter wall of the filter screen.

REFERENCES:
patent: 3794179 (1974-02-01), Doucet
patent: 4565631 (1986-01-01), Bitzer et al.
"Selection Guide for Victaulie Gaskers", Rexdale, Ontario Canada, 1981, pp. 1-3.

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