Aeras Water Systems, Inc.

Charles C Song

Dominic S Arbisi

The present invention provides a device designed to more efficiently aerate a body of liquid. The aeration device generally includes a nozzle, a liquid delivery means, and an air delivery means. The nozzle is submersed within the body of liquid and directed substantially laterally relative to the surface of the body of liquid. The nozzle includes a liquid delivery tube, which defines an upstream end of the nozzle, a coaxially aligned contraction member having a converging profile, a coaxially aligned throat member having a uniform diameter, and a coaxially aligned diffuser member having a diverging profile and an exit facing downstream, and a coaxially aligned focus member having a uniform diameter all of which are in fluid communication in series relative to one another. The liquid delivery tube is in fluid communication with the liquid delivery means, which draws liquid from the body of liquid and delivers it under pressure to the liquid delivery tube. An air delivery tube, extending concentrically within the liquid delivery tube and the contraction member, also has an exit that faces downstream. The air delivery tube is in fluid communication with the air deilvery means, which delivers air from the atmosphere to the air delivery tube.

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Excelsior, MN, United States of America

Charles C Song