Refrigerator with an air curtain generator

Details Refrigerator with an air curtain generator Refrigerator with an air curtain generator

1997-04-03

1998-07-28

Doerrler, William

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

62419, 62441, 62256, F25D 1704

Patent

active

057848955

ABSTRACT:
A refrigerator provided with an air curtain generator in a refrigerating room is disclosed. A supply duct for an air curtain is installed at the uppermost portion of the refrigerating room. A crossflow fan is provided within the supply duct, and a supply port is formed at a terminal end of the supply duct adjacent to a door for the refrigerating room. The supply port is slit-shaped and extends along a width direction of the refrigerating room. At least one step is provided on a lower surface of the inside of the supply duct. The supply duct is communicated with a suction duct constituting a cooling system of the refrigerator. When the door is opened, the air curtain is formed over the open side of the refrigerating room to block the invasion of the surrounding air.

REFERENCES:
patent: 2794325 (1957-06-01), Shearer
patent: 2926507 (1960-03-01), Ingolia
patent: 4058989 (1977-11-01), Horvay et al.
patent: 4210000 (1980-07-01), Lee
patent: 4379391 (1983-04-01), Rhee

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