Parallel filtering circuit with conduits of different rates

Details Parallel filtering circuit with conduits of different rates Parallel filtering circuit with conduits of different rates

1990-03-15

1991-05-28

Dawson, Robert A.

Liquid purification or separation

Serially connected distinct treating with or without storage...

Parallel

210314, 55324, 55484, 123196A, B01D 3600

Patent

active

050192574

ABSTRACT:
Disclosed is a parallel filtering circuit comprising at least two filters of a depth layer filtering type connected in parallel to each other in conduits showing different fluid resistances respectively, whereby, even when both the filters are clogged with particles of contaminants, the total flow rate may not decrease sharply, so that a preventive measure can be immediately taken before a fatal situation occurs. An orifice may be connected at its inlet to the outlet of the conduit having a smaller fluid resistance and at its outlet to the outlet of the conduit having a having fluid resistance.

REFERENCES:
patent: 2565106 (1951-08-01), Wasterind et al.
patent: 2729338 (1956-01-01), Heigl
patent: 2979160 (1961-04-01), Haas
patent: 3715416 (1973-02-01), Campbell et al.
patent: 3770623 (1973-11-01), Seidel
patent: 3868322 (1975-02-01), Orlaff
patent: 3935108 (1976-01-01), Forgues
patent: 3988127 (1976-10-01), Schumann
patent: 4478714 (1984-10-01), Blake et al.
patent: 4655914 (1987-04-01), Wada

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