Patent ID: 8574373
Filing Date: 2013-11-05
Classification: A47L

Abstract:
1. 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.