AERATOR Russian patent published in 1995 - IPC

FIELD: devices used for dissolution of air oxygen in water. SUBSTANCE: aerator uses a hollow shaft, whose lower end is connected to rotor, and the upper end-to drive shaft, longitudinal holes in the upper part of the hollow shaft for air supply, external housing with an air-intake duct. Leading walls of holes are made as blades of a centripetal fan, and the upper end of the hollow shaft is blanked off. EFFECT: improved design. 2 dwg