Method and apparatus for circulating cold air for an indirect-co

Details Method and apparatus for circulating cold air for an indirect-co Method and apparatus for circulating cold air for an indirect-co

1990-12-20

1992-10-20

Wayner, William E.

Refrigeration

Automatic control

Of external fluid or means

62408, 62443, F25D 1704

Patent

active

051560151

ABSTRACT:
A cold air circulating method and apparatus for an indirect-cooling type refrigerator which supplies the whole cold air from an evaporator only to a freezer compartment, discharges most of the cold air circulated within the freezer compartment into a fresh food compartment, while the rest of the cold air in a small amount is sucked into the evaporator, and returns the cold air circulated within the fresh food compartment into the evaporator. The apparatus includes an air duct for supplying the whole cold air from the evaporator only to the freezer compartment and a guide opening for discharging most of the cold air circulated within the freezer compartment into the fresh food compartment. This method and apparatus enable the effective use of the cold air and enhance freezing efficiency of the refrigerator.

REFERENCES:
patent: 2240882 (1941-05-01), Brain
patent: 3590594 (1971-07-01), Arend

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