Cleaning and liquid contact with solids – Processes – Combined
Patent
1995-06-08
1997-09-23
Warden, Jill
Cleaning and liquid contact with solids
Processes
Combined
134 251, 134 252, 134 56D, B08B 920
Patent
active
056699832
ABSTRACT:
An automatic dishwashing machine includes enhanced drying and draining cycles. Toward the end of the rinse and hold cycle when the water is draining, a second quantity of water is added to the machine resulting in a purging action which reduces the concentration of soil in the wash pump. During the normal wash cycle, if the dishwashing machine determines that the water is sufficiently dirty, a second drain is initiated to remove any dirty water that is present in the bottom of the pump after the first drain. During the dry cycle, the machine senses the temperature of the water and the presence of a rinse aid to select an appropriate dry cycle. The possible dry cycles include a delayed dry cycle and a pulsed dry cycle.
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Cooper Randall L.
Corbett Mitchell N.
Cracraft Mark A.
Kennedy Mary E.
Markoff Alexander
Maytag Corporation
Warden Jill
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