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US 8,574,373 B2Granted
Method of operating a dishwasher
AssigneeWhirlpool Corporation
InventorsKristopher L. Delgado, Barry E. Tuller
Life of this patent
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Abstract
A method of operating a dishwasher includes storing wash liquid in a portion of the spray system of the dishwasher for subsequent reuse. The spray system can include one or more supply conduits, and wash liquid can be alternatively supplied to the supply conduits to store the wash liquid in at least one of the supply conduits.
Claims9
A method of operating a dishwasher having a treating chamber supplied with wash liquid by a spray system having multiple, independent supply conduits each terminating in at least one sprayer, the method comprising:
- introducing wash liquid into the treating chamber;
- recirculating the wash liquid from the treating chamber to the spray system;
- while recirculating the wash liquid, actuating a diverter valve to sequentially fluidly couple the recirculating wash liquid to sequential ones of the supply conduits to sequentially supply the recirculated wash liquid to the supply conduits to store the wash liquid in all of the supply conduits;
- terminating the recirculation of wash liquid when a predetermined amount of wash liquid is stored;
- actuating the diverter valve such that the stored wash liquid is retained in all of the supply conduits when the recirculation of the wash liquid is terminated;
- and
- draining any remaining wash liquid from a sump of the treating chamber.
4 more elements
Dependencies are inferred from the claim text.