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公开(公告)号：US20220146191A1
公开(公告)日：2022-05-12
申请号：US17584624
申请日：2022-01-26
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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公开(公告)号：US10969155B2
公开(公告)日：2021-04-06
申请号：US15994538
申请日：2018-05-31
Applicant: LG ELECTRONICS INC.
Inventor： Sunam Chae , Kyungseok Kim , Soyoon Kim , Kyunghun Cha
Abstract: A refrigerator includes a cabinet including a storage compartment, a storage compartment door to open or close the storage compartment, a cool air duct provided in the storage compartment and positioned at an upper portion of the storage compartment to discharge cool air to the storage compartment, a damper to adjust an amount of cool air introduced into the cool air duct, and a door discharge duct communicating with the cool air duct and extending in a front-rear direction toward the storage compartment door to discharge cool air received from the cool air duct to the storage compartment door.
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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：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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公开(公告)号：US11415359B2
公开(公告)日：2022-08-16
申请号：US16896759
申请日：2020-06-09
Applicant: LG ELECTRONICS INC.
Inventor： Soyoon Kim , Kyunghun Cha , Kyungseok Kim
Abstract: A refrigerator a duct arranged to partition an inner space of a storage chamber body into a storage chamber and an air flow channel, wherein the duct has an ejection hole defined therein; a roll-bond evaporator disposed in the air flow channel, wherein the roll-bond evaporator has a top and a bottom, a left end and a right end; a blowing fan configured to draw air from the storage chamber to blow the air into the air flow channel; and a defrost sensor closer to one of the top and bottom than the other of the top and the bottom, wherein said one is closer to the blowing fan than the other, wherein the sensor is closer to one of the left end and the right end than the other of the left end and the right end.
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Patent Agency Ranking
公开(公告)号：US11835291B2
公开(公告)日：2023-12-05
申请号：US17584624
申请日：2022-01-26
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk Ahn , Sunam Chae , Kyunghun Cha
CPC classification number: F25D29/003 , F25B49/022 , F25D11/022 , F25D17/065 , F25D17/067 , F25D2317/0671 , F25D2317/0682 , F25D2700/121
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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公开(公告)号：US11732948B2
公开(公告)日：2023-08-22
申请号：US17265311
申请日：2019-08-01
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk Ahn , Kyunghun Cha , Sunam Chae
CPC classification number: F25D11/022 , F25B5/02 , F25B49/022 , F25D29/00 , F25B2400/19 , F25B2500/15 , F25B2600/01 , F25B2600/02 , F25B2600/0253 , F25B2600/2511 , F25B2700/2104 , F25D2600/02 , F25D2700/12
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：US11268751B2
公开(公告)日：2022-03-08
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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公开(公告)号：US12228326B2
公开(公告)日：2025-02-18
申请号：US17923730
申请日：2021-04-21
Applicant: LG ELECTRONICS INC.
Inventor： Youngseung Song , Kyongbae Park , Yunsu Cho , Kyunghun Cha , Sangbok Choi
Abstract: A refrigerator includes an evaporator, a defrost heater, a temperature sensor to detect a temperature associated with the evaporator, and controller to control the defrost heater. In response to a defrosting operation start time point arriving, the controller is configured to perform a defrost operation mode including a pre-defrost cooling mode, a heater operation mode, and a post-defrost cooling mode, perform a pulse operation mode in which the defrost heater is repeatedly turned on and off based on the heater operation mode, and change a magnitude of cooling power supplied in the post-defrost cooling mode based on an ON period of the defrost heater or a temperature of a cooling compartment in the pulse operation mode.
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公开(公告)号：US11879681B2
公开(公告)日：2024-01-23
申请号：US17265068
申请日：2019-08-01
Applicant: LG ELECTRONICS INC.
Inventor： Seunguk Ahn , Kyunghun Cha , Sunam Chae
CPC classification number: F25D11/022 , F25B5/02 , F25B49/02 , F25D29/00 , F25B2400/19 , F25B2600/01 , F25B2600/2511 , F25B2700/2104 , F25D2700/121
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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