Aeration apparatus and method

Details Aeration apparatus and method Aeration apparatus and method

2006-10-03

2006-10-03

Soohoo, Tony G. (Department: 1723)

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

C416S23100A

Reexamination Certificate

active

07114844

ABSTRACT:
The present invention provides an improved aeration impeller for use in a mixing assembly having an axis of rotation. The aeration impeller includes a hub and a first and second blades that are connected to the hub. Each blade has a first portion positioned at an angle to the axis of rotation and a second portion positioned at an angle to the first portion. The first portion of each blade has an opening that at least partially extends the width of the first portion.

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