Improved aerator and mixer

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 7/00 (2006.01) B01F 3/04 (2006.01) C02F 3/20 (2006.01) B01F 13/00 (2006.01)

Patent

CA 2463670

An aerator/mixer which includes a rotatable hollow drive shaft one or more air intake ports adjacent one end, and a propeller and an air permeable diffuser mounted adjacent to the other end; the diffuser is mounted below the propeller; and is in communication with the interior of the hollow drive shaft such that air supplied to the air intake port can exit only through the diffuser; the aerator/mixer further includes means for rotating the drive shaft and the propeller and means for supplying air at above atmospheric pressure to the or each air intake port.

L'invention concerne un aérateur/mélangeur comportant un arbre de transmission creux rotatif, muni d'un ou plusieurs orifices d'entrée d'air adjacents à une extrémité, ainsi qu'une hélice et un diffuseur perméable à l'air situés à l'autre extrémité. Le diffuseur est situé en dessous de l'hélice, et est en communication avec l'intérieur de l'arbre de transmission creux, de sorte que l'air qui arrive à l'orifice d'entrée d'air ne peut sortir qu'à travers le diffuseur. L'aérateur/mélangeur comprend également des éléments permettant de faire tourner l'arbre de transmission et l'hélice, ainsi que des éléments servant à amener de l'air à l'orifice ou aux orifices d'entrée d'air, à une pression supérieure à la pression atmosphérique.

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