Gas and liquid contact apparatus – Contact devices – Rotating
Patent
1978-05-02
1979-08-28
Chiesa, Richard L.
Gas and liquid contact apparatus
Contact devices
Rotating
D22 22, 43 57, 119 3, 210219, 261 91, 261121M, 261DIG27, B01F 304
Patent
active
041660862
ABSTRACT:
An aerator device for maintaining a high level of oxygen in live bait storage containers is disclosed. The aerator device comprises a cover for the container on which is mounted a suitable drive motor. The shaft of the motor extends downwardly through the cover and carries at its lower end an impeller which is driven by the motor at a high rate of speed to vigorously stir and aerate the water in the container. The upper portion of the shaft is enclosed by a housing which depends from the cover and extends down below the water level in the container. The lower end of the shaft and the impeller are surrounded by a relatively stiff screen having openings large enough to allow the free circulation of water, but small enough to prevent bait from reaching the impeller. Air inlets are provided on the cover and on the shaft housing to admit air to the interior of the housing.
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