Patent ID: 7413637

Claim:
An automatic dishwashing appliance comprising a washing compartment having a washing basin, a tableware rack located within the washing compartment, a first unattached electrolytic device located on the tableware rack and configured to treat tableware, a second, non-buoyant unattached electrolytic device at least partially immersed in a fluid in the washing basin, and injection openings coupled to a rotary nozzle disposed underneath the tableware rack, wherein the first unattached electrolytic device and the second, non-buoyant unattached electrolytic device provide an improvement in cleaning, sanitizing, and/or stain removal, and each comprises: (a) a body comprising at least one inlet port for collecting an aqueous electrolytic solution provided by said washing basin; (b) an electrochemical cell, located within said body, comprising at least one inlet opening and one outlet opening, and at least one pair of electrodes defining a cell gap comprising a cell passage formed therebetween through which said aqueous electrolytic solution can flow; and (c) a source of electrical current supply for providing electrical current between said pair of electrodes; wherein the injection openings are configured to deliver said aqueous electrolytic solution to the first unattached electrolytic device on the tableware rack.