US 12,433,262 B2
Buoyant egg-shaped fish farming tank
Åsmund Hellesøy, Blomsterdalen (NO); and Cato Lyngøy, Hjelmås (NO)
Assigned to OVUM AS, Bergen (NO)
Appl. No. 18/268,008
Filed by OVUM AS, Bergen (NO)
PCT Filed Dec. 20, 2021, PCT No. PCT/NO2021/050274
§ 371(c)(1), (2) Date Jun. 16, 2023,
PCT Pub. No. WO2022/131930, PCT Pub. Date Jun. 23, 2022.
Claims priority of application No. 20201405 (NO), filed on Dec. 19, 2020.
Prior Publication US 2024/0065236 A1, Feb. 29, 2024
Int. Cl. A01K 61/60 (2017.01)
CPC A01K 61/60 (2017.01) 23 Claims
OG exemplary drawing
 
1. A buoyant, egg-shaped fish farming tank with a shell with an internal farming volume, comprising:
a vertical main axis of the egg-shaped shell in an operative, filled condition of the fish farming tank, wherein a blunter end of the shell is directed downwards, while a more tapered end is directed upwards;
one or more inlets from ambient seawater to a farming volume through a portion of a lower blunter end of the shell, said inlets being passive inlets without pumps; and
pumps arranged in proximity of outlets, the outlets being in proximity of a water surface of the ambient seawater, the outlets leading back to the ambient seawater,
wherein the pumps are arranged to suction water out from an upper part of the farming volume.