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公开(公告)号：US20220235976A1
公开(公告)日：2022-07-28
申请号：US17434714
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Seongmin SONG , Junghun LEE , Hoyoun LEE
Abstract: A refrigerator according to an embodiment of the present invention can comprise: a refrigerator chamber; a freezer chamber partitioned from the refrigerator chamber; a deep-freezing chamber accommodated inside the freezer chamber and partitioned from the freezer chamber; and a freezer evaporator chamber formed on the rear side of the deep-freezing chamber. A refrigerator according to an embodiment of the present invention can further comprise a partition wall comprising a grill fan, which partitions the freezer evaporator chamber and the freezer chamber, and a shroud which is connected to the back surface of the grill fan and forms a flow path for supplying cold air of the freezer evaporator chamber to the freezer chamber.
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公开(公告)号：US20220236001A1
公开(公告)日：2022-07-28
申请号：US17434642
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Junghun LEE , Hoyoun LEE
Abstract: A method for controlling a refrigerator according to an embodiment of the present invention is characterized by comprising: a step for determining whether a defrosting period (POD) for defrosting a freezing chamber and a deep freezing chamber has elapsed; a step for, when it is determined that the defrosting period has elapsed, performing a deep cooling operation for bringing at least one among the temperature of the deep freezing chamber and temperature of the freezing chamber down to a temperature lower than a control temperature; and a step for defrosting the deep freezing chamber when the deep cooling operation is terminated, wherein, when the defrosting of the deep freezing chamber is started, a freezing chamber valve is closed to block cold air flow to the heat sink, the defrosting of the deep freezing chamber includes cold sink defrosting and heat sink defrosting performed after the cold sink defrosting is completed, and while the heat sink defrosting is being performed, a deep freezing chamber fan is driven to remove vapor generated during the cold sink defrosting.
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公开(公告)号：US20220154994A1
公开(公告)日：2022-05-19
申请号：US17434338
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Junghun LEE , Hoyoun LEE
Abstract: In a refrigerator control method according to an embodiment of the present invention, a control unit intermittently turns on a temperature sensor on a predetermined cycle when a deep-freezing chamber mode is turned off, so that the temperature sensor senses the internal temperature of a deep-freezing chamber for a first set time, and the sensed internal temperature of the deep-freezing chamber is transmitted to the control unit so as to minimize power consumption.
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公开(公告)号：US20200011583A1
公开(公告)日：2020-01-09
申请号：US16487729
申请日：2018-01-02
Applicant: LG Electronics Inc.
Inventor： Seokjun YUN , Changho SEO , Younghoon YUN
Abstract: A refrigerator includes a cabinet, a first inner case that defines a freezing compartment, a second inner case that defines a refrigerating compartment, a thermal siphon unit that is configured to carry a working fluid for heat transfer and that has a closed loop shape that includes a first part arranged at an outer side of the first inner case and a second part arranged at an outer side of the second inner case, and a cool air storage unit arranged in a space partitioned in the first inner case. The cool air storage unit is configured to accommodate cool air of the freezing compartment and transfer the cool air to the first part of the thermal siphon unit arranged outside of the first inner case.
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公开(公告)号：US20220235977A1
公开(公告)日：2022-07-28
申请号：US17434288
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Junghun LEE , Hoyoun LEE
IPC: F25B21/04
Abstract: A method for controlling a refrigerator according to an embodiment of the present invention comprises the steps of: determining whether or not an ultra-low temperature compartment mode is turned on; determining whether or not an ultra-low temperature compartment load-responsive operation input condition is satisfied; and determining whether or not a freezer compartment load-responsive operation input condition is satisfied, wherein if the ultra-low temperature compartment mode is turned on, and the ultra-low temperature compartment load-responsive operation input condition and the freezer compartment load-responsive operation input condition are both satisfied, a corresponding ultra-low temperature compartment load-responsive operation is preferentially performed.
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Patent Agency Ranking
公开(公告)号：US20220170675A1
公开(公告)日：2022-06-02
申请号：US17434158
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Junghun LEE , Hoyoun LEE
Abstract: A method for controlling a refrigerator, according to an embodiment of the present invention, comprises: a step in which it is determined whether a period of defrosting (POD) for defrosting a freezing compartment and a deep-freezing compartment has elapsed; a step in which, when it is determined that the period of defrosting has elapsed, a deep cooling operation for cooling at least one from among the temperature of the deep-freezing compartment and the temperature of the freezing compartment to be lower than a control temperature is performed; and a step in which, when the deep cooling operation finishes, a defrosting operation for defrosting the freezing compartment and the deep-freezing compartment is performed. When the defrosting operation starts, a freezing compartment valve is closed so as to prevent cold air from flowing to a freezing compartment evaporator and a heat sink, and at least a portion of a freezing compartment defrosting section and at least a portion of a deep-freezing compartment defrosting section overlap with each other.
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公开(公告)号：US20220146154A1
公开(公告)日：2022-05-12
申请号：US17433957
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Junghun LEE , Hoyoun LEE
Abstract: In a refrigerator control method according to an embodiment of the present invention, an operation corresponding to a freezer chamber load is performed when a heat load penetrates the inside of the freezer chamber, and the internal temperature of a deep-freezing chamber is differently set and controlled according to the on/off state of a deep-freezing chamber mode, and thus the input condition of the operation corresponding to the freezer chamber load can be differently set according to the on/off state of the deep-freezing chamber mode.
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公开(公告)号：US20220238777A1
公开(公告)日：2022-07-28
申请号：US17434708
申请日：2020-03-25
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Junghun LEE , Hoyoun LEE
Abstract: A thermoelectric module according to an embodiment of the present invention may comprise: a cold sink; a thermoelectric element having a heat absorption surface coupled to the cold sink; a heat sink coupled to a heating surface of the thermoelectric element to dissipate heat transferred from the cold sink to the outside of the thermoelectric element; and a sealing cover for connecting the edge of the cold sink and the edge of the heat sink to surround the thermoelectric element, wherein the cold sink, the heat sink, and the thermoelectric element may be integrally formed by the sealing cover.
In addition, the thermoelectric element may be a cascade type thermoelectric element in which two thermoelectric elements having the same or different specifications are coupled to each other.-
公开(公告)号：US20220214083A1
公开(公告)日：2022-07-07
申请号：US17433403
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Seokjun YUN , Hyoungkeun LIM , Junghun LEE , Hoyoun LEE
Abstract: A method for controlling a refrigerator according to an embodiment of the present invention comprises: if an ultra-low temperature compartment mode is turned on, performing control such that one of low voltage, middle voltage, high voltage, and reverse voltage is applied to the thermoelectric module according to the operation mode of the refrigerator; and if the temperature of the ultra-low temperature compartment is determined to be in a satisfactory temperature range, applying low voltage to the thermoelectric module by the control unit.
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公开(公告)号：US20220146156A1
公开(公告)日：2022-05-12
申请号：US17433567
申请日：2020-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Hyoungkeun LIM , Seokjun YUN , Junghun LEE , Hoyoun LEE
Abstract: A refrigerator according to an embodiment of the present invention comprises an inlet port and an outlet port which are formed in a sink body forming a heat sink, so as to guide coolant inflow and coolant outflow respectively, wherein the center line of the inlet port passes through the center of a thermoelectric element attached to the heat sink.
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