Refrigerator and method of manufacturing metal photocatalyst filter of the refrigerator
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United States of America Patent
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Oct 31, 2017
Grant Date -
Sep 4, 2014
app pub date -
Feb 10, 2014
filing date -
Feb 12, 2013
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Abstract
A refrigerator includes a main body having a storage room formed therein, a door that opens and closes the storage room, a filter module, and a cool air circulation fan that circulates cool air through the filter module. The filter module includes a metal photocatalyst filter and a UV LED module for radiating UV rays to the metal photocatalyst filter. The metal photocatalyst filter has photocatalysts made of one of ZnTiO2, CuTiO2, AgTiO2 or FeTiO2 coated on a filter base. The filter module may allow the entire storage room to be uniformly subject to antibiosis and sterilization at a relatively low cost.
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