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公开(公告)号：US20190186803A1
公开(公告)日：2019-06-20
申请号：US16222443
申请日：2018-12-17
Applicant: LG ELECTRONICS INC.
Inventor： Giseok SEONG , Kyungseok KIM , Kyeongyun KIM , Seunguk AHN , Myungjin CHUNG
CPC classification number: F25D11/022 , F25B13/00 , F25B49/02 , F25B2600/2511 , F25D17/065 , F25D21/006 , F25D21/08 , F25D2331/803
Abstract: A refrigerator including a compressor, a condenser, a freezing chamber evaporator, a freezing chamber fan, a defrosting heater, a wine chamber evaporator, a wine chamber fan, a path switching device configured to guide the refrigerant condensed in the condenser to the freezing chamber evaporator in a freezing chamber mode and to guide the refrigerant condensed in the condenser to the wine chamber evaporator in a wine chamber mode, and a controller configured to turn on the defrosting heater to perform a freezing chamber defrosting mode for defrosting the freezing chamber evaporator, to control the path switching device to the wine chamber mode while the temperature of the wine chamber is dissatisfied when the temperature of the wine chamber is dissatisfied in the freezing chamber defrosting mode, and to drive the wine chamber fan.
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公开(公告)号：US20210310719A1
公开(公告)日：2021-10-07
申请号：US17265068
申请日：2019-08-01
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk AHN , Kyunghun CHA , Sunam CHAE
Abstract: A refrigerator control method of the present embodiment comprises the steps of: operating a compressor by operating a first cooling cycle for cooling a first storage chamber, and operating a first cold air supply means for the first storage chamber; and operating the compressor by switching into a second cooling cycle for cooling a second storage chamber, and operating a second cold air supply means, when a stop condition of the first cooling cycle is satisfied, wherein the cooling capacity of the compressor in the current second cooling cycle is determined on the basis of the representative temperature of the second storage chamber during one operating cycle which includes the previous first cooling cycle and the previous second cooling cycle, and a control unit performs control such that the compressor is operated in the current second cooling cycle with the determined cooling capacity.
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公开(公告)号：US20200149798A1
公开(公告)日：2020-05-14
申请号：US16628347
申请日：2018-07-05
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk AHN , Kyungseok KIM , Sunam CHAE
Abstract: A refrigerator is disclosed. The refrigerator includes a cabinet including a storage compartment, a cool air supply means configured to operate to supply cool air to the storage compartment, a temperature sensor configured to sense a temperature of the storage compartment, and a controller configured to control an output of the cool air supply means based on a difference between a set temperature and a current temperature sensed by the temperature sensor and increase or decrease in temperature of the storage compartment sensed by the temperature sensor at a predetermined time interval.
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公开(公告)号：US20230114081A1
公开(公告)日：2023-04-13
申请号：US18078608
申请日：2022-12-09
Applicant: LG ELECTRONICS INC.
Inventor： Myungjin CHUNG , Kyeongyun KIM , Kyungseok KIM , Soyoon KIM , Seunguk AHN , Kyunghun CHA
Abstract: A control method for a refrigerator includes sensing a temperature of a storage room; operating a cool air supply at a cooling power when the sensed temperature of the storage room is equal to or above a first reference temperature; operating the cool air supply at a delay power, which is less than the cooling power, when the sensed temperature of the storage room is equal to or below a second reference temperature, which is less than the first reference temperature while the cool air supply is operating at the cooling power; and adjusting the cooling power or the delay power of the cool air supply according to the temperature of the storage room while the cool air supply is operating at the delay power, and operating the cool air supply at the determined adjusted cooling power or delay power.
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公开(公告)号：US20230022847A1
公开(公告)日：2023-01-26
申请号：US17955937
申请日：2022-09-29
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk AHN , Kyungseok Kim , Sunam Chae
Abstract: A method of controlling a refrigerator that includes: operating a cool air supply means with a predetermined output; a controller determining the output of the cool air supply means based on a current temperature of a storage compartment sensed by a temperature sensor while the cool air supply means operates with the predetermined output; and the controller operating the cool air supply means with the determined output. The controller determines that the output of the cool air supply means is decreased or increased when an absolute value of a difference between a previous temperature and a current temperature of the storage compartment is equal to or greater than a first reference value, and wherein the output of the cool air supply means is decreased or increased again when the absolute value of the difference between a current temperature of the storage compartment sensed again after a predetermined time has elapses and the previous temperature of the storage compartment is equal to or greater than the first reference value.
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Patent Agency Ranking
公开(公告)号：US20220026134A1
公开(公告)日：2022-01-27
申请号：US17493154
申请日：2021-10-04
Applicant: LG ELECTRONICS INC.
Inventor： Giseok SEONG , Kyungseok KIM , Kyeongyun KIM , Seunguk AHN , Myungjin CHUNG
Abstract: A refrigerator including a compressor, a condenser, a freezing chamber evaporator, a freezing chamber fan, a defrosting heater, a wine chamber evaporator, a wine chamber fan, a path switching device configured to guide the refrigerant condensed in the condenser to the freezing chamber evaporator in a freezing chamber mode and to guide the refrigerant condensed in the condenser to the wine chamber evaporator in a wine chamber mode, and a controller configured to turn on the defrosting heater to perform a freezing chamber defrosting mode for defrosting the freezing chamber evaporator, to control the path switching device to the wine chamber mode while the temperature of the wine chamber is dissatisfied when the temperature of the wine chamber is dissatisfied in the freezing chamber defrosting mode, and to drive the wine chamber fan.
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公开(公告)号：US20210055042A1
公开(公告)日：2021-02-25
申请号：US16961202
申请日：2019-01-10
Applicant: LG ELECTRONICS INC.
Inventor： Myungjin CHUNG , Kyungseok KIM , Kyeongyun KIM , Giseok SEONG , Seunguk AHN , Jeongwon PARK , Yonghun SUH
Abstract: A refrigerator includes a cabinet in which a storage chamber is formed, a cooler configured to cool the storage chamber, a heater configured to heat the storage chamber, a temperature sensor configured to sense a storage chamber temperature, and a controller configured to control the cooler and the heater, in which the controller selectively performs a plurality of modes, the plurality of modes include a cooling mode in which the cooler is operated or stopped, a heating mode in which the heater is operated or stopped, and a standby mode in which the cooler and the heater are stopped, and the plurality of modes are performed in the order of the cooling mode, the standby mode, and heating mode, or are performed in the order of the heating mode, the standby mode, and the cooling mode.
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公开(公告)号：US20210302092A1
公开(公告)日：2021-09-30
申请号：US17265311
申请日：2019-08-01
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk AHN , Kyunghun CHA , Sunam CHAE
Abstract: A method for controlling a refrigerator comprises: as a first refrigeration cycle for refrigeration of a first storage chamber is operated, operating a compressor and operating a first cold air supply; when the first refrigeration cycle has been operated for a first run time, converting to a second refrigeration cycle for refrigeration of a second storage chamber, and operating a second cold air supply; and if the second refrigeration cycle has been operated for a second run time, stopping the second refrigeration cycle. A first reference time is determined using a representative value obtained based on the temperature of the first storage chamber during a single run cycle, which includes a previous first refrigeration cycle and a previous second refrigeration cycle. A second reference time period is determined using a representative value obtained on the basis of the temperature of the second storage chamber during the single run cycle.
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公开(公告)号：US20200158423A1
公开(公告)日：2020-05-21
申请号：US16628310
申请日：2018-07-05
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk AHN , Kyungseok KIM , Sunam CHAE
Abstract: A method of controlling a refrigerator is disclosed. The method includes: operating a cool air supply means with a predetermined output; a controller determining the output of the cool air supply means based on a current temperature of a storage compartment sensed by a temperature sensor while the cool air supply means operates with the predetermined output; and the controller operating the cool air supply means with the determined output. The controller determines that the output of the cool air supply means is decreased or increased when an absolute value of a difference between a previous temperature and a current temperature of the storage compartment is equal to or greater than a first reference value, and wherein the output of the cool air supply means is decreased or increased again when the absolute value of the difference between a current temperature of the storage compartment sensed again after a predetermined time has elapses and the previous temperature of the storage compartment is equal to or greater than the first reference value.
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公开(公告)号：US20200088462A1
公开(公告)日：2020-03-19
申请号：US16571603
申请日：2019-09-16
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk AHN , Sunam CHAE , Kyunghun CHA
Abstract: The method for controlling the refrigerator includes operating a first cooling cycle for cooling the first storage compartment to operate the compressor and operating a first fan for the first storage compartment, and switching the first cooling cycle to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating a second fan when a stop condition of the first cooling cycle is satisfied. A temperature of each storage compartment is sensed at sampling time intervals in each cooling cycle. Further, a cooling power of the compressor is determined for each sampling time based on a sensed current temperature of the storage compartment, and the compressor is operated at the determined cooling power.
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