Apparatus for controlling a dual evaporator, dual fan refrigerator with independent temperature controls
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United States of America Patent
Stats
-
Sep 29, 1992
Issued Date -
N/A
app pub date -
Feb 12, 1992
filing date -
Jan 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A refrigerator apparatus is provided having a cabinet with a freezer compartment and a fresh food compartment. The compartments define two passageways allowing air circulation therebetween. A refrigerator system is included having a compressor, a condenser, an expansion valve, an evaporator situated in the freezer compartment. The refrigerator system elements are connected in series in a closed loop, in a refrigerant flow relationship. A first fan is situated in the freezer compartment for providing air flow over the evaporator. A second fan is situated in one of the two passageways for providing air circulation between the two compartments. A first thermostatic controlller situated in the freezer compartment for maintaining a desired temperature in the freezer compartment by causing the compressor and the first fan to operate. A second thermostatic controller situated in the fresh food comaprtment for maintaining a desired temperature in the fresh food compartment by causing operation of the second fan circulating air between the compartments thereby cooling the fresh food compartment.
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