Water filtration and aeration system for aquariums

Details Water filtration and aeration system for aquariums Water filtration and aeration system for aquariums

1993-05-14

1994-08-09

Hruskoci, Peter A.

Liquid purification or separation

Structural installation

Closed circulating system

210220, 2104162, 119261, 261 93, 261123, A01K 6304

Patent

active

053364015

ABSTRACT:
A water filtration and aeration system fastened to an aquarium to let gas (CO2, O.sub.2) be admitted in minute bubbles into water and then to let treated water be guided back to the aquarium. The system includes a gas diffusing unit, a flow guide assembly connected to the gas diffusing unit by a coupler, and an extension cylinder coupled to the flow guide assembly at the bottom. Gas and aquarium water are guided downwards to a mixing chamber in the coupler where they are mixed by a motor-driven vane, then treated water is guided by the flow guide assembly to flow out of the extension cylinder to the aquarium again.

REFERENCES:
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patent: 2275428 (1942-03-01), Haldeman
patent: 2515538 (1950-07-01), Wall
patent: 3273717 (1966-09-01), Canterbury
patent: 3295681 (1967-01-01), Rubert et al.
patent: 3891555 (1975-06-01), Bennett et al.
patent: 4944871 (1990-07-01), Ogawa
patent: 5006238 (1991-04-01), Tominaga
patent: 5011600 (1991-04-01), Mowka et al.
patent: 5092991 (1992-03-01), Ogawa
patent: 5131821 (1992-07-01), Marioni et al.

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