Patent ID: 6827299
Filing Date: 2004-12-07
Classification: B05B

Abstract:
A liquid spray module comprising:a spray gun cartridge including an elongated cartridge body with a central liquid passage, a spray nozzle at a discharge end of said cartridge body having a liquid discharge orifice in communication with said cartridge body liquid passage, a valve needle mounted for reciprocating movement within said cartridge body for controlling liquid passage through said discharge orifice, said cartridge body having a cylinder air passage into which pressurized air may be directed for reciprocating said valve needle between on and off positions, said cartridge body having an atomizing air passage into which pressurized air may be directed for assisting in atomization of liquid to be discharged from said nozzle, a manifold body having an elongated bore extending therethrough into which said spray gun cartridge is removably mounted, and said manifold body having a liquid inlet passage and at least one pressurized air inlet passage on a common side thereof for connection with fluid supply lines for permitting communication of liquid to said spray gun cartridge liquid passage and pressurized air to said cylinder air and atomizing air passages when said spray gun cartridge is mounted in said manifold body bore, and said spray gun cartridge being removable from said manifold body without disconnection of said fluid supply lines from said manifold body.