Refrigeration – Gas controller or director – Cooled gas directed relative to cooled enclosure
Patent
1997-05-30
1998-06-16
Doerrler, William
Refrigeration
Gas controller or director
Cooled gas directed relative to cooled enclosure
62441, F25D 1704
Patent
active
057653887
ABSTRACT:
A refrigerator for selectively discharging vertical stream of cool air to the front of the freezer and freshfood compartments is disclosed. The refrigerator comprises: a cabinet formed with a freezing compartment and a fresh food compartment, which are partitioned by a partitioning wall; an evaporator for generating cool air; a fan for transferring the cool air to the freezing compartment and the fresh food compartment; an air curtain duct installed at the partitioning wall, for transferring the cool air generated by the evaporator to doors for the freezing compartment and the fresh food compartment; an upper and lower air curtain ports formed at the front end portion of the air curtain duct, for discharging the cool air towards the freezing compartment and fresh food compartment; a cross flow fan installed in air curtain duct, for supplying the cool air to the air curtain duct; and a changing damper for selectively closing the upper or lower air curtain port to selectively directing the cool air supplied through air curtain duct to the freezing compartment or the fresh food compartment. Thus, leakage of the cool air through the openings of the freezing compartment and the fresh food compartment can be effectively prevented, and the temperatures in the both compartments are maintained constant, thus enhancing the cooling efficiency.
REFERENCES:
patent: 4379391 (1983-04-01), Rhee
patent: 4899554 (1990-02-01), Kato et al.
Daewoo Electronics Co. Ltd.
Doerrler William
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