Two-layer fluid filter with spacer

Details Two-layer fluid filter with spacer Two-layer fluid filter with spacer

1984-08-20

1986-07-15

Fisher, Richard V.

Liquid purification or separation

Diverse distinct separators

Including a filter

210317, 210455, 210495, B01D 2708

Patent

active

046005110

ABSTRACT:
In a fluid filter having a filtering medium comprising upper and lower layers defining therebetween a fluid receiving space into which the fluid to be filtered is introduced, and in which the filter supporting structure comprises a part which extends through both of the layers of the filtering medium, a spacer surrounds that part and retains the filter medium layers spaced from one another thereat, thereby significantly to increase the filtering capacity of the filter unit.

REFERENCES:
patent: 1989795 (1935-02-01), Fellows
patent: 3168468 (1965-02-01), Jagdmann
patent: 3335867 (1967-08-01), Perl
patent: 3371793 (1968-03-01), Fowler
patent: 3515280 (1970-06-01), Parker
patent: 3784011 (1974-01-01), Ward
patent: 4136011 (1979-01-01), Joseph et al.
patent: 4264443 (1981-04-01), Anderson et al.
patent: 4328097 (1982-05-01), Whaley et al.
patent: 4352737 (1982-10-01), Taniguchi
patent: 4387023 (1983-06-01), Napier
patent: 4402827 (1983-09-01), Joseph
patent: 4410341 (1983-10-01), Edwards et al.
patent: 4450081 (1984-05-01), Anderson et al.

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