FISH CAGE WITH IMPROVED WATER EXCHANGE AND BREEDING CONDITIONS Russian patent published in 2023 - IPC A01K61/13 A01K61/60 A01K63/04 

FIELD: fish cage.

SUBSTANCE: cage (1) has an upper area (10) and a lower area (19), is made with the possibility of swimming in the water layer (99) and contains a surrounding floating body (11) in the upper area (10) of the cage (1), and the surrounding floating body (11) is made with the possibility of floating on the water surface (90), the body (2) between the upper area (10) and the lower area (19) of the cage (1), and the body (2) is closed in the lower area (19) of the cage (1) and forms the inner part (21) and the outer part (23) and a waterproof wall (5) in the upper region (10), wherein said waterproof wall (5) is attached to the floating body (11) and extends from the water surface (90) down in the water layer (99), while the waterproof wall (5) forms the lower edge region (59). The cage (1) is equipped in its upper area (10) with at least one flow amplifier (4) to create a circular water flow (40) within the waterproof wall (5). The flow amplifier (4) is configured to supply water from the inner part (21) in the upper region (10) of the cage (1). The cage (1) is configured to introduce an upward water flow (49) into the centre of the cage (1) in the lower region (19). A method for creating an upward flow (49) of fresh water within the cage (1) is proposed. Circular water flow 40 forms an ascending central water flow 49.

EFFECT: invention ensures the supply of the cage with fresh water from the environment coming from the bottom area of the cage.

11 cl, 14 dwg