Inside multi-functional aquarium sponge filter

Details Inside multi-functional aquarium sponge filter Inside multi-functional aquarium sponge filter

1992-05-21

1993-04-20

Silverman, Stanley S.

Liquid purification or separation

Structural installation

Closed circulating system

119 5, A01K 6304

Patent

active

052039900

ABSTRACT:
An inside multi-functional sponge filter for an aquarium tank is described which consists of a vertical cyclindrical sponge filtering medium surrounding two interchangeable cylindrical components which functions as the clean water receiving chamber in which an optional filter medium cartridge can be added. The outer diameter of the sponge is cut with shallow rectangular grooves oriented along the longitudinal axis. The longitudinally oriented slots about the circumference which provide for maximum decontaminated fluid flow rates into the chamber. The two cylindrical components are fitted with other filter sections via male/female connections constructed as part of the component. The lower cylinder is attached to a weighted cylindrical flanged base to prevent floatation. Attached to the upper cylinder is a circular adapter to permit attachment of airline tubing and an optional air diffuser to permit effective aeration and to maximize flow rates as well as to accommodate the utilization of peripheral air supply equipment. The adaptable configuration of the system enables a convenient rearrangement of components to allow pre-filtration of highly contaminated water.

REFERENCES:
patent: 3785494 (1974-01-01), Sama
patent: 3899424 (1975-08-01), Lake
patent: 3947362 (1976-03-01), Etani
patent: 4295965 (1981-10-01), Koster
Dirt Magnet Advertisement, published in Tropical Fish Hobbyist Magazine, p. 41, Jun. 1991.

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