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公开(公告)号：US20240011697A1
公开(公告)日：2024-01-11
申请号：US18019730
申请日：2021-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Kyong Bae PARK , Sangbok CHOI , Sungwook KIM
CPC classification number: F25D21/02 , F25D17/062 , F25D21/002
Abstract: A refrigerator includes a first heater, a second heater, and a third heater, and the third heater is located inside a frost detection flow path and generates heat. Accordingly, during a defrosting operation, the inside of the frost detection flow path may be prevented from being blocked. Or freezing of the frost check sensor provided in the frost detection flow path may be prevented.
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公开(公告)号：US20230288123A1
公开(公告)日：2023-09-14
申请号：US18019642
申请日：2021-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Kyong Bae PARK , Sangbok CHOI , Sungwook KIM
IPC: F25D21/02
CPC classification number: F25D21/02
Abstract: A fluid inlet part of a frosting detection duct protrudes toward a flow path of a fluid to provide flow path resistance. Accordingly, a material property detected by a frosting detecting device may secure the discrimination sufficient to additionally recognize frosting-related information in addition to detecting frosting.
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公开(公告)号：US20200370815A1
公开(公告)日：2020-11-26
申请号：US16991479
申请日：2020-08-12
Applicant: LG ELECTRONICS INC.
Inventor： Sungwook KIM , Kyongbae PARK , Sangbok CHOI , Sung JHEE
Abstract: A refrigerator includes an inner case defining a storage chamber; a cold-air duct for guiding air flowing in the storage chamber and forming a heat exchange space, together with the inner case; an evaporator positioned in the heat exchange space; a bypass passage disposed at the cold-air duct and allowing air to flow while bypassing the evaporator; a sensor disposed in the bypass passage and having an output value which changes according to the flow rate of the air flowing through the bypass passage; a defroster for removing frost generated on a surface of the evaporator; and a controller for controlling the defroster on the basis of the value output by the 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：US20190277554A1
公开(公告)日：2019-09-12
申请号：US16349103
申请日：2017-11-10
Applicant: LG ELECTRONICS INC.
Inventor： Kyongbae PARK , Wookyung BAIK , Sangbok CHOI , Sungwook KIM
Abstract: The resent invention provides a refrigerator comprising: a cabinet having a storage chamber; a door for opening and closing the storage chamber; a case having a discharge port through which air is discharged to the storage chamber; an evaporator provided inside the case and for supplying cold air by means of heat exchange with air; a fan installed on the discharge port and for generating the airflow discharging to the storage chamber the air which has been heat exchanged in the evaporator; and a differential pressure sensor having a first pipe, of which one end is positioned on a part where the air is withdrawn to the fan, and a second pipe of which one end is positioned on a part where the air is discharged from the fan.
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Patent Agency Ranking
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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公开(公告)号：US20230280081A1
公开(公告)日：2023-09-07
申请号：US18019440
申请日：2021-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Kyong Bae PARK , Sangbok CHOI , Sungwook KIM
CPC classification number: F25D21/004 , F25D21/02
Abstract: A refrigerator in which a performance cycle for a next frost detection operation according to a logic temperature (ΔHt) checked through a frost detection operation may be changed. Thus, unnecessary power consumption may be reduced and power consumption efficiency may be improved.
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公开(公告)号：US20210025639A1
公开(公告)日：2021-01-28
申请号：US17032566
申请日：2020-09-25
Applicant: LG ELECTRONICS INC.
Inventor： Sangbok CHOI , Kyongbae PARK , Sungwook KIM , Sung JHEE
Abstract: A method for controlling a refrigerator includes operating, for a set duration, a heating element of a sensor which responds to changes in air flow; sensing the temperature of the heating element in on or off state; and sensing residual frost on an evaporator on the basis of the difference in value of the temperature between a first sensed temperature, which is the lowest value, and a second sensed temperature, which is the highest value, from among the sensed temperatures of the heating element.
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公开(公告)号：US20190285331A1
公开(公告)日：2019-09-19
申请号：US16348711
申请日：2017-11-10
Applicant: LG Electronics Inc.
Inventor： Sungwook KIM , Sangbok CHOI , Wookyung BAIK , Kyongbae PARK
Abstract: The present invention provides a control method of a refrigerator, comprising: a first defrosting step of defrosting an evaporator and terminating the defrosting when the evaporator reaches a first temperature; a step of detecting pressure difference by means of a differential pressure sensor for measuring pressure difference between a first thru-hole, disposed between the evaporator and an inlet through which air flows in from a storage compartment, and a second thru-hole disposed between the evaporator and an outlet through which the air is discharged into the storage compartment; and a second defrosting step of additionally defrosting the evaporator if the measured pressure difference is greater than a configured pressure.
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公开(公告)号：US20240230206A9
公开(公告)日：2024-07-11
申请号：US18278059
申请日：2022-03-11
Applicant: LG ELECTRONICS INC.
Inventor： Junghun LEE , Sungwook KIM , Namgyo Lee
IPC: F25D23/00
CPC classification number: F25D23/003 , F25D2323/0021 , F25D2323/00261 , F25D2323/00271
Abstract: Proposed is a home appliance in which each of air inlets and each of air outlets formed on a machine room cover are configured to have flow rates different from each other. Accordingly, a design for the volume of air introduced into a machine room and the volume of air discharged to the outside of the machine room from the inside thereof may be facilitated.
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