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Distribution/retention plate for minimizing off-gassing

  • US 7,493,906 B2
  • Filed: 06/08/2005
  • Issued: 02/24/2009
  • Est. Priority Date: 04/12/2002
  • Status: Active Grant
First Claim
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1. An apparatus for promoting the efficient use of gas dissolved in a liquid by limiting the amount of off-gassing from the liquid, the apparatus comprising:

  • a treatment chamber;

    a liquid reservoir;

    a distribution/retention plate separating the treatment chamber from the liquid reservoir; and

    a pressure relief device to increase pressure in the liquid reservoir relative to the pressure in the treatment chamber and limit off-gassing from liquid in the liquid reservoir,wherein the apparatus is utilized in a dishwashing system and the distribution/retention plate comprises at least one downward flow passage to promote the flow of liquid from the treatment chamber to the liquid reservoir.

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