Animal husbandry – Aquatic animal culturing – Fish culturing
Patent
1999-03-18
1999-11-09
Price, Thomas
Animal husbandry
Aquatic animal culturing
Fish culturing
A01K 6300
Patent
active
059793627
ABSTRACT:
Aquaculture system includes a plurality of tanks each capable of holding a volume of water and one or more marine animals. A separate liner is provided for each tank. Liners are attached along the upper peripheral edges to their respective tanks. Displacement system is used for selectively raising and lowering each liner by pumping air between outside surface of liners and inside surface of the tanks. As air is pumped in the liner it inflates and effectively balloons away from the inside surface of its tank. As this occurs, water within the tank is displaced and flows through a water transport conduit formed with each tank to beneath the liner. Accordingly, the liner is progressively raised from a lining position in which it sits inside its tank, to a lifted position in which it overlies the water with the tank. To return the liner to its lining position, the system is again operated this time to direct air into the conduit. When this occurs, air displaces water within the conduit lifting it onto an inside surface of the liner progressively lowering the liner back to its lining position. Channels provide fluid communication between the tanks. When the liner of one tank is raised, the marine animals held within that tank are effectively forced through one or more channels to another tank. With the liner in its lifted or inverted position, it can be easily cleaned. Filter is coupled to the tanks to allow filtering of the water during the lifting of a liner.
REFERENCES:
patent: 4140079 (1979-02-01), Frucktnicht
patent: 4290437 (1981-09-01), Lin
patent: 4972801 (1990-11-01), Hunt
patent: 5320068 (1994-06-01), Redditt
patent: 5540521 (1996-07-01), Biggs
patent: 5593574 (1997-01-01), Van Toever
patent: 5660142 (1997-08-01), Van Rijn
patent: 5733464 (1998-03-01), Bunch
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