Patent ID: 7963508

Claim:
An apparatus for aerating a body of liquid, in which an air pump is used to supply air to the apparatus, comprising: a) an upright standing aeration chamber having upper and lower ends, said aeration chamber having a circumferential wall; b) a liquid inlet being disposed on said lower end of said aeration chamber and a liquid outlet being disposed on said upper end of said aeration chamber; c) an upright standing air feed conduit having a bore and having upper and lower ends being substantially centrally disposed in said aeration chamber, said conduit having a plurality of air outlet apertures therein, wherein said plurality of air outlet apertures are disposed adjacent said lower end of said air feed conduit, said conduit having an air inlet on said upper end of said conduit; d) a plurality of walls projecting radially from said air feed conduit, said walls extending from said upper to lower ends of said air feed conduit, each said wall having an end, wherein said end is contiguous to said wall of said aeration chamber, a plurality of partitions being disposed in said aeration chamber between each said wall; e) an air manifold being disposed on said upper end of said air feed conduit, said manifold having upper and lower ends, said manifold having an air inlet on said upper end and an air outlet on said lower end, wherein said air outlet of said manifold connects to said air inlet of said conduit so that air can flow from said air inlet of said manifold to said air outlet apertures of said air feed conduit; and, f) an impingement member being disposed between said upper end of said air manifold and said liquid outlet so that the body of liquid is impinged against said impingement member, wherein the body of liquid is aerated.