Patent ID: 6423280
Filing Date: 2002-07-23
Classification: A47L,Y10T

Abstract:
An apparatus for maintaining an effective concentration of alkaline detergent in an aqueous medium in a warewashing machine, which apparatus comprises:(a) a batch-fill warewashing machine having an aqueous rinse system, an alkaline detergent dispenser and a sump sized for a predetermined volume of the alkaline detergent in the aqueous medium; (b) a source of the aqueous medium fluidly connected to the rinse system; (c) means for controlling a flow of the aqueous medium through the rinse system; (d) a diverter for splitting the flow of the aqueous medium into the two unequal streams and for obtaining a predetermined portion of the aqueous flow from the rinse system and for directing the diverted portion through a metering tip to the alkaline detergent dispenser, thereby to dissolve the alkaline detergent; and (e) means for directing the dissolved alkaline detergent to the sump; wherein the detergent is dispensed and directed to the sump only during the rinse cycle and an effective concentration of alkaline detergent is maintained in the warewashing machine sump.