Soft water forming device and washing machine including the same

摘要

A soft water forming device includes; a capacitive deionization stack (“CDI”) stack including at least one anode and at least one cathode that are separately and alternately stacked to adsorb ions contained in water, and a pumping unit which pumps one of water supplied to the CDI stack and water which has passed through the CDI stack, the pumping unit including; a casing have a water inlet and a water outlet and a rotor which rotates due to motive power supplied by an external motor and pumps the water supplied into the casing.