Gravity vacuum system

Details Gravity vacuum system Gravity vacuum system

1997-01-22

1998-12-15

Hruskoci, Peter A.

Liquid purification or separation

Structural installation

Closed circulating system

210232, 2104162, 119215, 119226, 119245, 119248, 119264, 119269, A01K 6304

Patent

active

058491856

ABSTRACT:
A gravity vacuum system for a fish tank which will fit onto any standard fish tank and will get rid of waste through a gravitational system. The top of the system is a false bottom for the upper portion of the fish tank. The false bottom features openings small enough to allow the waste to pass. A solid pyramid directly in the middle of the lower one third supports the false bottom. At the right and left foot of the pyramid are drainage valve areas enclosed in boxes. When the drainage valves are opened, the waste flows through the false bottom and into the triangular areas and left of the pyramid. The waste then flows down through the triangular spaces and into the drainage valve areas. The owner then hooks connective tubing to the drainage valves for easy drainage.

REFERENCES:
patent: 2787981 (1957-04-01), Landesberg
patent: 3515097 (1970-06-01), Sherman
patent: 3638616 (1972-02-01), Carmouche
patent: 3827560 (1974-08-01), Morton
patent: 3893421 (1975-07-01), Dinnerstein
patent: 4098230 (1978-07-01), Jackson
patent: 4897188 (1990-01-01), Ogawa
patent: 4913811 (1990-04-01), Huang et al.
patent: 5172650 (1992-12-01), Hsu et al.

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