Cool air circulation device of a refrigerator

Details Cool air circulation device of a refrigerator Cool air circulation device of a refrigerator

1996-09-25

1997-10-14

Tapolcai, William E.

Refrigeration

Automatic control

Of external fluid or means

62426, F25D 1708

Patent

active

056759800

ABSTRACT:
A cool air circulation device of a refrigerator to forcefully circulate cool air to the fresh food compartment by circulation fan for maximizing a cooling efficiency of the refrigerator is disclosed. A driving motor having belt pully on its shaft is installed in the rear wall of the refrigerator. Controller controls the drive unit to run periodically or continuously, and to stop when opening the door of the refrigerator is provided. Circulation fan having belt pully on its shaft in which the fan rotatably installed in the installation space in the cool air circulation fan accommodation shelf is included. The lower and upper plates of shelf have a number of holes and protect the circulation fan. The rotation of the driving motor is transmitted to the circulation fan by belt.

REFERENCES:
patent: 2165480 (1939-07-01), Hastings
patent: 2321687 (1943-06-01), Kucher
patent: 2902840 (1959-09-01), Smith
patent: 3090209 (1963-05-01), Hubacker
patent: 3107502 (1963-10-01), Herdon, Jr. et al.
patent: 5315846 (1994-05-01), Lee
patent: 5495726 (1996-03-01), Lee

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