Patent ID: 7195023
Filing Date: 2007-03-27
Classification: A47L

Abstract:
1. A dishwasher comprising: (A) means for receiving power from a 110–120 volt, 15–20 amp power supply; (B) a washing chamber including at least one spray head and a recirculatory and reheating sump; (C) a rack configured and dimensioned to be received within said washing chamber for holding kitchenware to be bathed, washed, initially rinsed, finally rinsed, and optionally cooled; (D) a water tank disposed substantially externally of said washing chamber; (E) first means for providing communication between a fresh water supply providing water at no more than 140° F. and said tank, and second means for providing communication between the fresh water supply and said washing chamber during selected ones of the bathe, wash, rinse and optional cooling cycles; (F) actuatable preheat means for introducing water from said fresh water supply into said tank via said first communication means in a tank fill step and for using power from the power supply to heat the received water in said tank to at least 190°–205° F. prior to commencement of selected ones of the bathe, wash and initial and final rinse cycles; (G) pump means using power from the power supply for forcing heated water from said tank into said washing chamber for spraying the heated water onto the kitchenware on said rack via said at least one spray head; and (H) means for determining the soil load level of the kitchenware in said washing chamber and, where appropriate, in response thereto modifying the tank fill step.