Refrigerator

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12228326
APP PUB NO 20230175757A1
SERIAL NO

17923730

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Importance

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Abstract

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A refrigerator includes an evaporator, a defrost heater, a temperature sensor to detect a temperature associated with the evaporator, and controller to control the defrost heater. In response to a defrosting operation start time point arriving, the controller is configured to perform a defrost operation mode including a pre-defrost cooling mode, a heater operation mode, and a post-defrost cooling mode, perform a pulse operation mode in which the defrost heater is repeatedly turned on and off based on the heater operation mode, and change a magnitude of cooling power supplied in the post-defrost cooling mode based on an ON period of the defrost heater or a temperature of a cooling compartment in the pulse operation mode.

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Patent Owner(s)

  • LG ELECTRONICS INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cha, Kyunghun Seoul, KR 21 20
Cho, Yunsu Seoul, KR 9 16
Choi, Sangbok Seoul, KR 35 42
Park, Kyongbae Seoul, KR 27 59
Song, Youngseung Seoul, KR 10 7

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