Apparatus for introducing air into a liquid including a liquid pump mounted within an aerator pressure chamber

Claim 1

Apparatus for introducing air into a liquid, said apparatus comprising an assembly including a motor, an aerator coupled to said motor as a unit, said aerator including a housing having inner and outer walls defining an inner pressure chamber and an outer air chamber, jet nozzles carried by said inner walls and opening radially outwardly for directing liquid jets from said pressure chamber through said air chamber, catching nozzles carried by said outer wall and opening outwardly therefrom, each catching nozzle being aligned with one of said jet nozzles for receiving a combined liquid and air flow therefrom, liquid pump means coupled to said motor for driving thereby, said liquid pump means being mounted in said pressure chamber, a compressed air generator mounted on said motor and driven thereby, and an air conduit leading from said compressed air generator into said air chamber.