Patent ID: 7445013

Claim:
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; 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 the at least one passageway, each of the nozzles having a plurality of apertures; and a supply tube in fluid communication with the first spray arm assembly and the at least one passageway and configured to simultaneously provide wash liquid to the first spray arm assembly and the spray manifold; wherein at least one of a shape, size, angle, arrangement and number of apertures is varied so that the second flow of wash liquid is at least one of more intensified and more concentrated than the first flow of wash liquid.