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Self-contained, self-powered electrolytic devices for improved performance in automatic dishwashing

  • US 7,413,637 B2
  • Filed: 08/16/2002
  • Issued: 08/19/2008
  • Est. Priority Date: 05/17/2002
  • Status: Active Grant
First Claim
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1. 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.

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