Patent ID: 7651075
Filing Date: 2010-01-26
Classification: B01F

Abstract:
1. A bubble generator comprising: a) an air intake device; b) an air guide device, wherein the air guide device is adapted to be at least partially immersed in liquid, wherein the air guide device guides air flowed into the air guide device through the air intake device toward the liquid; c) an aeration disc that is attached to the air guide device and produces negative pressure by being rotated in the liquid and moving the liquid whereby air guided by the air guide device produces air bubbles in the liquid; and d) a rotating device that rotates the aeration disc; wherein the air intake device provides ambient air into an air guide device, wherein the aeration disc comprises one or more blades that spin to create a vacuum of air moving downward through the air intake device and air guide device and into the liquid, and an arcuate wall that comprises one or more slots.