Uniform cooling apparatus for refrigerator and control method th

Details Uniform cooling apparatus for refrigerator and control method th Uniform cooling apparatus for refrigerator and control method th

1999-07-20

2000-09-19

Tapolcai, William E.

Refrigeration

Processes

Circulating external gas

62186, 62414, F25D 1706

Patent

active

061194689

ABSTRACT:
A uniform cooling apparatus for a refrigerator and a control method thereof install a plurality of temperature sensors into a refrigerating compartment, mount an air circulation fan in addition to a prior refrigerating compartment fan into the refrigerating compartment, and thus obtain a uniform cooling effect by minimizing a refrigerating compartment temperature deviation. The uniform cooling apparatus includes: a plurality of temperature sensors which are mounted to at least two positions inside of the refrigerating compartment; and an air circulation fan which is additionally mounted to the refrigerating compartment, is turned on or off according to a deviation among temperatures sensed by the plurality of temperature sensors, and makes a uniform cool air in the refrigerating compartment. The uniform cooling control method for the refrigerator comprising the steps of: (a) sensing a refrigerating compartment temperature by using the plurality of temperature sensors; (b) calculating a temperature deviation among the refrigerating compartment temperatures sensed in the step (a); and (c) driving the air circulation fan if the temperature deviation is higher than a predetermined temperature deviation, and uniformly cooling the refrigerating compartment.

REFERENCES:
patent: 3005321 (1961-10-01), Devery
patent: 3026688 (1962-03-01), O'Connell
patent: 3027732 (1962-04-01), Mann et al.
patent: 3633375 (1972-01-01), McLean
patent: 5220806 (1993-06-01), Jaster et al.
patent: 5816061 (1998-10-01), Lee et al.
patent: 5826437 (1998-10-01), Kim

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