US Patent 7841217 Clothes washer temperature control systems and methods

A washing machine wherein a cold water valve is opened during a hot fill operation is described. In one embodiment, the washing machine comprises a cabinet, a tub and basket mounted within the cabinet, and an agitation element mounted within the basket. The machine also includes a cold water valve for controlling flow of cold water to the tub, and a hot water valve for controlling flow of hot water to the tub. A control coupled to the cold water valve controls opening and closing of the cold water valve during the hot fill operation.