Gas and liquid contact apparatus – Contact devices – Rotating
Patent
1996-12-06
1998-12-22
Bushey, C. Scott
Gas and liquid contact apparatus
Contact devices
Rotating
261 93, B01F 304
Patent
active
058514430
ABSTRACT:
An aerator for mixing a gas with a liquid has a motor, fan, rotating central shaft, housing enclosing the shaft, and an air flow pathway between the central shaft and the housing. Rotation of the shaft in the air flow path reduces friction in the flow path and increases efficiency. The shaft may be hollow to provide a second air flow path, also with a rotating shaft in the air flow path to reduce friction, increasing air flow volume and efficiency. A non-lubricated material bearing rotatably mounts the central shaft, and has openings to allow increased air flow through the aerator.
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