Method for control of purified water passage of refrigerator with water purifying filter


Application Number: 00108014
Application Date: 2000.06.08
Publication Number: 1276510
Publication Date: 2000.12.13
Priority Information: 1999/6/8 KR 21212/1999
International: F25D15/00;F25D29/00
Applicant(s) Name: LG Electronics Inc.
Address:
Inventor(s) Name: Kim Il-Cin;Gwon Yong-Cheol;Kim Si-Chae
Patent Agency Code: 11219
Patent Agent: gu gongxia
Abstract A method for controlling the purified water passage of a refrigerator with a water purifying filter is disclosed. The refrigerator has a first valve for controlling water supply to the water purifying filter and a second valve for controlling water supply to a dispenser and an ice-making unit. The method comprises the following steps: Determining whether the dispenser and the ice-making unit are operated. Opening the first and second valves if the dispenser and the ice-making unit are operated. Determining whether a refrigerator compartment door and a freezer compartment door are closed if one of the dispenser and the ice-making unit is operated. Closing the first and second valves if at least one of the refrigerator compartment door and the freezer compartment door is opened. Closing the first and second valves if the dispenser and the ice-making unit are not operated.