| 摘要 |
An aerator device which includes a submersible unitized electric motor-pump assembly designed by a housing in which is an electric motor having a shaft projecting therefrom and carrying a pump impeller, a second housing having a liquid chamber in which is located the pump impeller, a first opening in the second housing through which the pump impeller is insertable into the liquid chamber, a second opening in the second housing in general axial alignment with the first opening through which liquid is drawn into the liquid chamber, first and second plurality of nozzles arranged in generally axially aligned pairs for directing a liquid discharge from the liquid chamber in generally radially outwardly directed streams to atmosphere, and an aerator chamber opening into individual aerator chambers between the pairs of nozzles for aerating the liquid prior to the discharge thereof into a body of water within which the device is adapted to be submerged.
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