Aquarium filtration system

Details Aquarium filtration system Aquarium filtration system

1988-10-13

1989-09-05

Fisher, Richard V.

Liquid purification or separation

Structural installation

Closed circulating system

210220, 119 5, 261 77, 261122, 261123, A01K 6304

Patent

active

048635944

ABSTRACT:
An aquarium filtration system using airlift to circulate water within the living area to display aquatic organisms, water rising up through the bottom gravel, the gravel providing biological filtration. The living area of the acquarium is free from mechanical obstructions and rising air bubbles. A relatively inexpensive air pump generates the air lift, for circulating water within the living area. Water is removed at the water's surface and thereafter mechanically and chemically filtrated. A protein skimmer device is provided as an integral part of the air lift and mechanical filtration chamber to remove dissolved organic and inorganic compounds.

REFERENCES:
patent: 3135238 (1964-06-01), Eyl
patent: 3516544 (1970-06-01), Sesholtz
patent: 3815547 (1974-06-01), Willinger et al.
patent: 3827560 (1974-08-01), Morton
patent: 4025431 (1977-05-01), Saxton
patent: 4042510 (1977-08-01), Sullins
patent: 4098230 (1978-07-01), Jackson

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