Patent ID: 9709320
Date: 2017-07-18
CPC Classifications: F25D

Claim:
1. A refrigerator comprising: a storing chamber configured to store water; a first gas supplying unit comprising a first discharge valve for discharging a first gas from a first compressed gas container configured to store the first gas; a second gas supplying unit including a second discharge valve for discharging a second gas from a second compressed gas container configured to store the second gas; and a dissolution chamber configured to receive water supplied from the storing chamber; wherein gas discharged from the first gas supplying unit and the second gas supplying unit is a solute that is operable to dissolve in the water in the dissolution chamber; an input unit configured to receive a user selection of a functional beverage and generate a first signal indicating the selection of the functional beverage, and receive a user selection of a concentration level of the functional beverage and generate a second signal indicating a selected concentration level; and a controller configured to: select a corresponding discharge valve from the first discharge valve and the second discharge valve according to the user selection of the functional beverage responsive to the first signal and the second signal; and control corresponding discharge valve based on the selected concentration level responsive to the first signal and the second signal, wherein the solute is one of oxygen gas and carbon dioxide gas, and the functional beverage is one of oxygen water beverage and carbonated water beverage.