Temperature controlling method for refrigerator and apparatus th

Details Temperature controlling method for refrigerator and apparatus th Temperature controlling method for refrigerator and apparatus th

1997-03-12

1998-04-28

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

236 91E, 62231, F25D 2900

Patent

active

057431043

ABSTRACT:
A temperature controlling method for a refrigerator and an apparatus therefor are provided, in which a sensing error between temperature sensors is corrected, thereby maintaining the interior temperature of the refrigeration compartment in equilibrium. The temperature controlling method includes the steps of: sensing temperatures of the different locations within the refrigeration compartment using the plurality of temperature sensors several times when the temperatures in the refrigeration compartment are in equilibrium; calculating the average temperatures of the respective temperature sensors from a number of the temperatures respectively sensed by the plurality of temperature sensors; selecting one of the plurality of temperature sensors as a reference sensor and calculating error values of the average temperatures of the remaining temperature sensors with respect to that of the reference sensor; adding the error values of the respective temperature sensors to the temperatures directly sensed by the corresponding temperature sensors to obtain corrected temperature values; and controlling discharge of cool air based on the corrected temperature values. Also, the temperature controlling apparatus includes an operator for calculating corrected temperature values and a controller for controlling the discharge of the cool air.

REFERENCES:
patent: 4381549 (1983-04-01), Stamp, Jr. et al.
patent: 5335514 (1994-08-01), Hennessee et al.
patent: 5584437 (1996-12-01), Deuk Ik et al.

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