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Multiple wash zone dishwasher

  • US 7,947,132 B2
  • Filed: 08/10/2009
  • Issued: 05/24/2011
  • Est. Priority Date: 06/17/2003
  • Status: Expired due to Fees
First Claim
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1. A dishwasher comprising:

  • an interior tub having walls, including at least opposing side walls connected by a rear wall, defining an interior wash chamber for washing dishes;

    a first dish rack having sides, including at least opposing sides connected by a rear side, and located within the wash chamber such that the sides are adjacent to a corresponding wall of the interior tub;

    a first spray arm assembly located beneath the first dish rack and configured to spray a first flow of wash liquid toward the first dish rack to provide a first wash zone; and

    a spray manifold mounted on one of the walls of the interior tub adjacent to a corresponding side of the first dish rack and configured to provide a second flow of wash liquid toward the first dish rack thereby providing a second wash zone, the spray manifold comprising;

    at least one passageway; and

    multiple nozzles fluidly coupled by at least one passageway, each of the nozzles having a plurality of apertures.

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