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公开(公告)号：US20210207874A1
公开(公告)日：2021-07-08
申请号：US17212521
申请日：2021-03-25
Applicant: LG Electronics Inc.
Inventor： Soonkyu LEE , Sungwook KIM , Kyongbae PARK , Sangbok CHOI
Abstract: A method for controlling a refrigerator includes providing an initial input value to a heater configured to supply heat to an evaporator, performing a continuous operation of the heater based on the initial input value to increase a temperature of the evaporator to a predetermined temperature, determining a period of time taken to increase the temperature of the evaporator to the predetermined temperature, determining whether the period of time is within a reference period of time, operating the heater based on a first input value that is equal to the initial input value based on a determination that the period of time is outside of the reference period of time, and operating the heater based on a second input value that is less than the initial input value based on a determination that the period of time is within the reference period of time.
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Patent Agency Ranking
公开(公告)号：US20180313597A1
公开(公告)日：2018-11-01
申请号：US15964387
申请日：2018-04-27
Applicant: LG Electronics Inc.
Inventor： Soonkyu LEE , Sungwook KIM , Kyongbae PARK , Sangbok CHOI
CPC classification number: F25D21/08 , F25D21/002 , F25D2600/02
Abstract: A method for controlling a refrigerator includes providing an initial input value to a heater configured to supply heat to an evaporator, performing a continuous operation of the heater based on the initial input value to increase a temperature of the evaporator to a predetermined temperature, determining a period of time taken to increase the temperature of the evaporator to the predetermined temperature, determining whether the period of time is within a reference period of time, operating the heater based on a first input value that is equal to the initial input value based on a determination that the period of time is outside of the reference period of time, and operating the heater based on a second input value that is less than the initial input value based on a determination that the period of time is within the reference period of time.
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公开(公告)号：US20220011043A1
公开(公告)日：2022-01-13
申请号：US17483112
申请日：2021-09-23
Applicant: LG Electronics Inc.
Inventor： Kyongbae PARK , Sungwook KIM , Wookyung BAIK , Soonkyu LEE , Sangbok CHOI
Abstract: A method for controlling a refrigerator includes: a step for determining whether or not a defrosting initiation condition is satisfied with respect to an evaporator; a step for, if the defrosting initiation condition is satisfied, detecting a pressure differential by means of one differential pressure sensor for measuring the pressure differential between a first through hole, which is positioned between the evaporator and an inlet port having air flowing in from a storage chamber, and a second through hole which is positioned between the evaporator and a discharge port having air discharged to the storage chamber; and a defrosting step for variably defrosting in accordance with the measured pressure differential.
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公开(公告)号：US20190285332A1
公开(公告)日：2019-09-19
申请号：US16349046
申请日：2017-11-10
Applicant: LG Electronics Inc.
Inventor： Sungwook KIM , Sangbok CHOI , Kyongbae PARK , Soonkyu LEE
Abstract: The present invention provides a refrigerator comprising: a cabinet provided with a storage compartment; a chamber provided with an evaporator for supplying cold air, a discharge duct through which the cold air having gone through a heat exchange by means of the evaporator is supplied to the storage compartment, and an introduction duct guiding the air in the storage compartment to the evaporator; a first temperature sensor for measuring the temperature of the evaporator; a second temperature sensor for measuring the temperature of the storage compartment; a third temperature sensor for measuring the temperature of the air supplied from the chamber to the storage compartment; and a control unit for determining the time for defrosting the evaporator on the basis of the temperatures measured by the first temperature sensor, the second temperature sensor and the third temperature sensor.
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公开(公告)号：US20200056833A1
公开(公告)日：2020-02-20
申请号：US16348765
申请日：2017-11-10
Applicant: LG Electronics Inc.
Inventor： Kyongbae PARK , Sungwook KIM , Wookyung BAIK , Soonkyu LEE , Sangbok CHOI
Abstract: The present invention provides a method for controlling a refrigerator comprising: a step for determining whether or not a defrosting initiation condition is satisfied with respect to an evaporator; a step for, if the defrosting initiation condition is satisfied, detecting a pressure differential by means of one differential pressure sensor for measuring the pressure differential between a first through hole, which is positioned between the evaporator and an inlet port having air flowing in from a storage chamber, and a second through hole which is positioned between the evaporator and a discharge port having air discharged to the storage chamber; and a defrosting step for variably defrosting in accordance with the measured pressure differential.
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公开(公告)号：US20180313596A1
公开(公告)日：2018-11-01
申请号：US15964379
申请日：2018-04-27
Applicant: LG Electronics Inc.
Inventor： Soonkyu LEE , Sungwook KIM , Kyongbae PARK , Sangbok CHOI
CPC classification number: F25D21/08 , F25D21/006 , F25D2600/02 , F25D2700/10
Abstract: A method for controlling a refrigerator includes operating a heater of the refrigerator in a first mode to increase a temperature of an evaporator of the refrigerator to a predetermined temperature, the first mode comprising a continuous operation of the heater, determining a period of time taken to increase the temperature of the evaporator to the predetermined temperature, determining whether the period of time is within a reference period of time, maintaining operation of the heater in the first mode based on a determination that the period of time is outside of the reference period of time, and operating the heater in a second mode that is different from the first mode based on a determination that the period of time is within the reference period of time.
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