Patent ID: 8240321
Filing Date: 2012-08-14
Classification: A47L

Abstract:
1. A dishwasher, comprising: a tub defining a wash chamber, the tub comprising a bottom wall having an upper surface that faces the wash chamber and a lower surface that faces away from the wash chamber, wherein the bottom wall has formed therein a sump that extends downwardly from the upper surface of the bottom wall and a column that extends upwardly from the upper surface of the bottom wall, at least one dish rack movably positioned in the wash chamber, a sprayer located in the wash chamber, a machine compartment located outside of the tub, a motor located in the machine compartment, a first magnetic coupler located outside the wash chamber adjacent the lower surface of the column, the first magnetic coupler being coupled to and rotatably driven by the motor wherein the first magnetic coupler includes at least one first magnet, a top surface, and a wall extending downwardly from the top surface and the wall has an outer surface facing away from the upper surface of the column and an inner surface facing the upper surface of the column, and the at least one first magnet is fixed to the inner surface of the wall, and a second magnetic coupler located in the wash chamber adjacent the upper surface of the column, the second magnetic coupler being coupled to the sprayer and magnetically coupled to and rotatable with the first magnetic coupler such that rotation of the first magnetic coupler rotates the sprayer.