Patent attributes
A spray arm assembly for a dishwasher system is disclosed. The spray arm assembly includes a spray arm which has an internal chamber, a liquid inlet in flow communication with the internal chamber to supply the internal chamber with liquid from a source of liquid, an outlet passageway in flow communication with the internal chamber for discharging liquid from the internal chamber, an air inlet in flow communication with the outlet passageway, and a region adjacent the air inlet and defining part of the outlet passageway. The region is configured to create a venturi effect at the air inlet when the liquid passes through the region so that air is drawn into the outlet passageway from the air inlet and a mixture of air and liquid is discharged from the outlet passageway. A dishwasher system incorporating such a spray arm assembly is also disclosed.
