Aerobic aquarium filter chamber

Details Aerobic aquarium filter chamber Aerobic aquarium filter chamber

1993-10-13

1995-03-14

Dawson, Robert A.

Liquid purification or separation

With gas-liquid surface contact means

With separator

210169, 2101951, 210196, 2104162, 210418, 119260, A01K 6304

Patent

active

053974638

ABSTRACT:
A combination of a physical filter and aerobic filter positioned entirely on the outside of an aquarium tank. Water is pumped into the physical filter chamber and upon reaching a level above the chamber walls of the physical filter it spills by gravity flow to both an aerobic filter also contained within the housing and back into the aquarium tank. The water entering the aerobic filter is filtered and passed back to the physical filter where the filtering is repeated.

REFERENCES:
patent: 3774766 (1973-11-01), Brock
patent: 4512885 (1985-04-01), Willinger
patent: 4735715 (1993-04-01), Willinger
patent: 5108594 (1992-04-01), Giovanetti et al.
patent: 5160622 (1992-11-01), Gunderson et al.
patent: 5176824 (1993-01-01), Willinger
patent: 5242582 (1993-09-01), Marioni

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