Refrigeration – Automatic control – Of external fluid or means
Patent
1994-11-18
1995-12-05
Tapolcai, William E.
Refrigeration
Automatic control
Of external fluid or means
62209, 165 22, 236 495, F24F 700
Patent
active
054718490
ABSTRACT:
Energy efficient independent temperature control is achieved in refrigerators by minimizing evaporator fan on time. A circuit including a first switch responsive to a freezer thermostat and a second switch responsive to a fresh food thermostat controls operation of the refrigeration system and the evaporator fan. The first and second switches are connected so that the refrigeration system and the evaporator fan can be activated only when the freezer thermostat demands cooling. A fan interlock having one or more relays prevents the first switch from inactivating the evaporator fan if the fresh food thermostat demands cooling. Thus, the evaporator fan only runs while the refrigeration system is operating or has immediately shut off.
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General Electric Company
Tapolcai William E.
Webb II Paul R.
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