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公开(公告)号：US11480382B2
公开(公告)日：2022-10-25
申请号：US16725071
申请日：2019-12-23
Applicant: LG ELECTRONICS INC.
Inventor： Giseok Seong , Jeongwon Park , Myungjin Chung , Kyungseok Kim , Tackwon Han , Jinho Kim , Yonghun Suh
IPC: F25D17/06 , F25D23/02 , F25D29/00 , F25D31/00 , F25D11/02 , F25D23/04 , F25B47/02 , F25D21/00 , F25D21/08 , F25D21/06
Abstract: A refrigerator includes a cabinet configured to form a first storage chamber and a second storage chamber, a first evaporator configured to cool the first storage chamber, a first fan configured to circulate air in the first storage chamber to the first evaporator and the first storage chamber, a second evaporator configured to cool the second storage chamber, a compressor configured to be connected to the first evaporator and the second evaporator, a second fan configured to circulate air in the second storage chamber to the second evaporator and the second storage chamber; a refrigerant valve configured to guide refrigerant to the first evaporator or the second evaporator, and a controller configured to perform a plurality of modes sequentially to defrost the second evaporator.
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公开(公告)号：US11150012B2
公开(公告)日：2021-10-19
申请号：US16621731
申请日：2018-06-12
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk Ahn , Sunam Chae , Kyungseok Kim
Abstract: A method of controlling a refrigerator includes: controlling a cooling unit such that an output of the cooling unit becomes a first reference output for a first reference time previously determined; controlling the cooling unit such that the output of the cooling unit becomes a second reference output for a second reference time previously determined; calculating a representative value of a temperature of a storage compartment for an operating period, which is made by a sum of the first reference time and the second reference time, and comparing the calculated representative value with a specific temperature in a temperature satisfying range of the storage compartment; and varying, by a control unit, at least one of the first reference time and the second reference time depending on a comparison result between the specific temperature and the representative value and controlling operating of the cooling unit based on a varied reference time.
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公开(公告)号：US10941969B2
公开(公告)日：2021-03-09
申请号：US15780587
申请日：2016-12-12
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：US10928126B2
公开(公告)日：2021-02-23
申请号：US16238808
申请日：2019-01-03
Applicant: LG ELECTRONICS INC.
Inventor： Myungjin Chung , Kyungseok Kim , Kyeongyun Kim , Giseok Seong , Seunguk Ahn
Abstract: A refrigerator includes a wine chamber, a wine chamber evaporator, a compressor, a wine chamber heater, a valve, a wine chamber temperature sensor, and a controller. The controller selectively performs a cooling mode and a heating mode.
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公开(公告)号：US10775094B2
公开(公告)日：2020-09-15
申请号：US15947069
申请日：2018-04-06
Applicant: LG ELECTRONICS INC.
Inventor： Kyunghun Cha , Soyoon Kim , Myungjin Chung , Kyungseok Kim
Abstract: A refrigerator according to an embodiment includes: a duct dividing the inside of a storage compartment body into a storage compartment and an air channel and having a main discharge port and a sub-discharge port; an air guide dividing the air channel into a first channel communicating with the main discharge port and a second channel guiding air in the first channel to the sub-discharge port; a heat exchanger provided in the first channel; and a fan suctioning air in the storage compartment and sending the air to the first channel. According to the refrigerator, it is possible to maximize the volume of the storage compartment and separately discharge air to the main discharge port and the sub-discharge port, using a simple structure.
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Patent Agency Ranking
公开(公告)号：US11906243B2
公开(公告)日：2024-02-20
申请号：US17955937
申请日：2022-09-29
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk Ahn , Kyungseok Kim , Sunam Chae
CPC classification number: F25D29/00 , F25D11/02 , F25D17/067 , F25D2700/122
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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公开(公告)号：US11885547B2
公开(公告)日：2024-01-30
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
CPC classification number: F25B49/022 , F25B49/02 , F25D17/045 , F25D17/06 , F25D19/00 , F25D29/00 , F25B2500/11 , F25B2600/0253 , F25B2700/151 , F25B2700/2104 , F25D2500/04 , F25D2700/12
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：US11680742B2
公开(公告)日：2023-06-20
申请号：US16648957
申请日：2018-09-19
Applicant: LG ELECTRONICS INC.
Inventor： Wookyung Baik , Jeongwon Park , Kyungseok Kim
CPC classification number: F25D17/067 , F25D11/02 , F25D17/065 , F25D25/021 , F25D25/025
Abstract: A refrigerator may include a body formed with a storage space and a cooling module accommodating space; a cooling module disposed in the cooling module accommodating space and having a heat absorption part and a heat radiating part; a drawer supporter disposed inside the storage space; and a drawer supported by the drawer supporter, and the drawer supporter is formed with an inner passage through which cold air flowing from the heat absorption part passes, and the drawer supporter is formed with a plurality of cold air discharge ports through which cold air of the inner passage is discharged in an opposite direction. Therefore, it is possible to maximize the depth of the storage space in the front-rear direction while minimizing the number of parts, and cool the entire storage space evenly.
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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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公开(公告)号：US11549736B2
公开(公告)日：2023-01-10
申请号：US17148379
申请日：2021-01-13
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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