Method for controlling opening/closing of cool air discharge por

Details Method for controlling opening/closing of cool air discharge por Method for controlling opening/closing of cool air discharge por

1998-05-28

2000-04-25

Wayner, William

Refrigeration

Automatic control

Of external fluid or means

165288, 236 78B, 454258, F24F 700, F25D 1700

Patent

active

060529997

ABSTRACT:
A method for controlling opening/closing of cool air discharge ports of a refrigerator is disclosed. The refrigerator has a device for opening/closing the ports. The device has a member for opening/closing the ports, and a motor for driving the member. A microcomputer measures temperatures at positions in a cooling compartment, and calculates a difference between the measured temperatures. When the difference is more than a predetermined value, the motor is driven so that the member repeats opening and closing of the ports. Then, the circulation effect of the cool air in the cooling compartment is enhanced, and the temperature in the cooling compartment maintained uniform.

REFERENCES:
patent: 5785244 (1998-07-01), McBroom
patent: 5884491 (1999-03-01), Kim et al.

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