Patent ID: 8820663

Claim:
A pressurized air-assisted liquid spray nozzle comprising: a nozzle body having a liquid spray discharge orifice at a downstream end; said nozzle body having an upstream end for coupling to a liquid supply; an air direction member disposed within said nozzle body having a longitudinal airflow passage having an upstream end for coupling to a pressurized air supply; said air direction member having a plurality of cross-passages extending in transverse intersecting relation to the longitudinal airflow passage for directing a plurality of pressurized air streams radially outwardly through circumferentially spaced air discharge orifices of the cross-passages; a liquid direction guide within said nozzle body defining a plurality of circumferentially spaced liquid passages corresponding in number to said cross-passages each extending transversely across an air discharge orifice of a respective one of said cross-passages for intersecting pressurized liquid and air streams and pre-atomizing the liquid; said nozzle body having an expansion chamber for receiving said pre-atomized liquid; and said liquid spray discharge orifice communicating centrally with said expansion chamber for emitting a predetermined atomized liquid spray pattern from the spray nozzle.