A dishwasher for treating dishes according to a cycle of operation, the dishwasher having a tub at least partially defining a treating chamber, a dish rack having a first wash zone and a second wash zone, and a spray tube having at least one set of nozzles and rotatable between a first position and a second position.

A dishwasher for treating dishes according to a cycle of operation, the dishwasher having a tub at least partially defining a treating chamber, a dish rack having a first wash zone and a second wash zone, and a spray tube having at least one set of nozzles and rotatable between a first position and a second position.

A dishwasher for treating dishes according to a cycle of operation, the dishwasher having a tub at least partially defining a treating chamber, a dish rack having a first wash zone and a second wash zone, and a spray tube having at least one set of nozzles and rotatable between a first position and a second position.

Provided are a control method for a dishwasher and a dishwasher. The dishwasher includes a spray rod and a spray rod driver configured to drive the spray rod to rotate. The control method for the dishwasher includes acquiring a predetermined washing signal; controlling the spray rod driver to drive the spray rod to rotate into a predetermined washing region from a current position; and adjusting a parameter of sprayed fluid flow when the spray rod rotates into the predetermined washing region.

Provided are a control method for a dishwasher and a dishwasher. The dishwasher includes a spray rod and a spray rod driver configured to drive the spray rod to rotate. The control method for the dishwasher includes acquiring a predetermined washing signal; controlling the spray rod driver to drive the spray rod to rotate into a predetermined washing region from a current position; and adjusting a parameter of sprayed fluid flow when the spray rod rotates into the predetermined washing region.

A cup washer includes a tub providing a space in which a cup is accommodated, and a sprayer disposed on the tub and configured to spray water toward the cup. The sprayer includes a first spray nozzle and a second spray nozzle coupled to the first spray nozzle. The second spray nozzle is disposed on a central portion of the first spray nozzle. The first spray nozzle extends away from an outer circumference of the second spray nozzle. The first spray nozzle is rotatable around the second spray nozzle.

A cup washer includes a tub providing a space in which a cup is accommodated, and a sprayer disposed on the tub and configured to spray water toward the cup. The sprayer includes a first spray nozzle and a second spray nozzle coupled to the first spray nozzle. The second spray nozzle is disposed on a central portion of the first spray nozzle. The first spray nozzle extends away from an outer circumference of the second spray nozzle. The first spray nozzle is rotatable around the second spray nozzle.