Animal husbandry – Entomological culture device – Egg treatment – production – or storage
Patent
1975-11-24
1977-05-17
Mancene, Louis G.
Animal husbandry
Entomological culture device
Egg treatment, production, or storage
210169, 261123, A01K 6300
Patent
active
040235289
ABSTRACT:
An aquarium having a tank with a flat, built-in aerator mounted at the rear. The aerator includes a housing having a number of narrow internal baffles arranged to form a zig-zag passageway for the upward flow of air into a space in the top of the housing. The bottom of the zig-zag passageway is disposed above a clear space in the lower part of the aerator housing, and each of the baffles runs from a first end at a first side edge to termination short of the opposite side edge of the housing. The baffles extend alternately from the opposite sides of the aerator housing, and each slopes slightly upwardly from its first end to its other end within the housing. The baffles are so arranged that each adjacent pair defines a transverse leg of the zig-zag passageway extending from one side of the aerator housing to the other and diverging vertically from a restricted entrance end to a far end where the entrance to the next higher leg of the passageway is situated. The aerator housing has openings into the clear space in its lower part to admit aquarium water and compressed air. The incoming air travels upwardly through the zig-zag passageway in turbulent contact with aquarium water in the passageway. The aerator has a top outlet for the aerated water through which it is returned to the main body of water in the tank.
REFERENCES:
patent: 608397 (1898-08-01), Schwartz, Jr.
patent: 3101564 (1963-08-01), Stoessel
patent: 3294239 (1966-12-01), Dayes
patent: 3735738 (1973-05-01), Lake
patent: 3778976 (1973-12-01), Pond
Crowe John H.
Mancene Louis G.
Skiff Peter K.
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