Filter device

Details Filter device Filter device

1990-04-03

1992-03-03

Dawson, Robert A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210193, 210287, 21032187, 2104935, 21050023, B01D 2448, B01D 2702, B01D 2706

Patent

active

050929909

ABSTRACT:
A filter device for cleaning water and having a reinforcing member for preventing reduction of filtering area due to deformation of filter membrane. The filter device comprises a generally cylindrical casing and a filter element contained in said casing for passing water from the primary side thereof to the secondary side thereof, the filter element including a corrugated filter membrane and a reinforcing member for supporting the corrugated filter membrane. The filter device is particularly suited for use together with a powdered absorbent such as activated carbon.

REFERENCES:
patent: 3193101 (1965-07-01), Humbert, Jr.
patent: 3625363 (1971-12-01), Eberle
patent: 4051033 (1977-09-01), Blace
patent: 4495068 (1985-01-01), Rosaen
patent: 4552657 (1985-11-01), Ogawa
patent: 4714546 (1987-12-01), Solomon et al.

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