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Fluid circulation arrangement for providing an intensified wash effect in a dishwasher and an associated method

  • US 9,301,670 B2
  • Filed: 08/10/2010
  • Issued: 04/05/2016
  • Est. Priority Date: 08/10/2009
  • Status: Active Grant
First Claim
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1. A dishwasher comprising:

  • a tub;

    a rack configured to be positioned within the tub, wherein the rack defines a bottom of the rack and at least one sidewall that extends upwardly from the bottom of the rack, the rack adapted to receive dishware therein;

    a dishwashing fluid supply channel configured to supply a dishwashing fluid;

    a spray arm positioned below the rack, wherein the spray arm is configured to receive the dishwashing fluid and to dispense the dishwashing fluid; and

    a spray assembly directly coupled to the sidewall of the rack, the spray assembly comprising at least one nozzle member adapted to receive the dishwashing fluid from the dishwashing fluid supply channel and to dispense the dishwashing fluid therefrom into an intensified wash zone, the spray assembly comprising a manifold coupled to the sidewall and a plurality of nozzle members coupled thereto, wherein the manifold is positioned adjacent to the sidewall such that the nozzle members extend at least partially through the sidewall; and

    wherein the dishwashing fluid dispensed from the spray arm is incident on the intensified wash zone from a different direction than the dishwashing fluid dispensed from the spray assembly.

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