Aquatic aeration and filtering system

Details Aquatic aeration and filtering system Aquatic aeration and filtering system

1986-12-17

1989-04-04

Hirsch, Paul J.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

119 3, 210169, 2104162, A01K 6300

Patent

active

048175617

ABSTRACT:
An aeration and filtering system for an aquarim includes a porous filter bed that is spaced above the tank bottom with pump means located in the chamber defined below the filter bed and having an upper inlet for receiving oxygen-enriched liquid from adjacent the liquid level in the tank and at the same time receiving oxygen-deficient liquid from adjacent the bottom of the tank. These two liquids are then mixed within the pump to provide an oxygen-enriched liquid which is fed through a discharge port that is directed generally parallel to the liquid level and slightly below to provide an exercising environment for aquatic life.

REFERENCES:
patent: 616997 (1899-01-01), Whitney
patent: 950999 (1910-03-01), Erlwein et al.
patent: 2243302 (1941-05-01), Weinig
patent: 2678512 (1954-05-01), Maston
patent: 3294239 (1966-12-01), Dayes
patent: 3734853 (1973-05-01), Horvath
patent: 3897338 (1975-07-01), Bennett et al.

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