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公开(公告)号：US11549740B2
公开(公告)日：2023-01-10
申请号：US16965273
申请日：2018-12-21
Applicant: LG ELECTRONICS INC.
Inventor： Sungwook Kim , Kyongbae Park , Sangbok Choi , Yunsu Cho
Abstract: There is disclosed a controlling method for a refrigerator comprising: a first defrosting step of performing defrosting for an evaporator, the first defrosting step which ends when the temperature of the evaporator reaches a first temperature; a pressure difference sensing step of measuring a difference between the pressure in a first through-hole arranged between an inlet hole for drawing air from a storage compartment and the evaporator and the pressure in a second through-hole arranged between an outlet hole for discharging air towards the storage compartment and the evaporator by using one differential pressure sensor; and a second defrosting step of performing additional defrosting for the evaporator when the measured pressure difference is a preset pressure or more.
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2.发明授权公开(公告)号：US10018398B2
公开(公告)日：2018-07-10
申请号：US13911614
申请日：2013-06-06
Applicant: LG Electronics Inc.
Inventor： Deulre Min , Ahreum Park , Kyongbae Park
CPC classification number: F25D17/042 , F25D25/00 , F25D2317/043 , Y10T137/0396 , Y10T137/86083
Abstract: A refrigerator having an air pressure controllable storage container is allowed to control air pressure of the storage container to be temporarily lower than initial air pressure by turning on and off a vacuum pump. The vacuum pump sucks internal air of the storage container, and a controller turns on the vacuum pump such that internal air pressure of the storage container is lower than the initial air pressure, and turns off the vacuum pump such that the internal air pressure is restored to the initial air pressure.
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公开(公告)号：US09212847B2
公开(公告)日：2015-12-15
申请号：US14718813
申请日：2015-05-21
Applicant: LG Electronics Inc.
Inventor： Deulre Min , Ahreum Park , Kyongbae Park
CPC classification number: F25D25/025 , B65D25/22 , F25D23/12 , F25D25/028 , F25D2201/10 , F25D2300/00 , F25D2400/00 , F25D2600/04
Abstract: This specification relates to a vegetable storage container for a refrigerator, and more particularly, a sealing structure of a vegetable storage container for a refrigerator capable of sealing an inside of an accommodation space of a vegetable box simply by using a lever after closing the accommodation space with a cover. This specification provides a refrigerator with a vegetable storage container, which includes a vegetable box having a front part and a main body both forming an accommodation space therein as a storage space for vegetables, the vegetable box being installed to be drawn out of the refrigerator, a vegetable box cover horizontally installed on the accommodation space to selectively cover an upper opening of the vegetable box, and a pressing unit to seal the accommodation space after the accommodation space of the vegetable box is closed by the vegetable box cover.
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4.发明申请REFRIGERATOR HAVING AIR PRESSURE ADJUSTING APPARATUS FOR STORAGE CONTAINER 审中-公开具有用于储存容器的空气压力调节装置的制冷机公开(公告)号：US20130340868A1
公开(公告)日：2013-12-26
申请号：US13924025
申请日：2013-06-21
Applicant: LG Electronics Inc
Inventor： Kyongbae Park , Dullae Min , Deuire Min
IPC: F25D23/00
CPC classification number: F25D23/00 , F25D17/047 , F25D2317/043 , Y10T137/86083
Abstract: The present disclosure relates to a refrigerator having an air pressure adjusting apparatus for a storage container, and more particularly, a refrigerator having an air pressure adjusting apparatus for a storage container, capable of uniformly maintaining internal air pressure of the storage container by increasing the internal air pressure by way of an introduction of external air when the internal air pressure is excessively lowered and also preventing damages of the storage container. The refrigerator includes a storage container having an inner accommodating space and installed to be drawn out of and inserted into the refrigerator, and an air pressure adjusting apparatus to allow external air to be introduced into the storage container based on internal air pressure of the storage container, so as to increase the internal air pressure.
Abstract translation: 本发明涉及一种具有用于储存容器的空气压力调节装置的冰箱，更具体地说，涉及一种具有用于储存容器的空气压力调节装置的冰箱，能够通过增加内部容器来均匀地保持储存容器的内部空气压力 当内部空气压力过度降低时通过引入外部空气的空气压力，并且还防止存储容器的损坏。 冰箱包括具有内部容纳空间并被安装以被拉出并插入冰箱的储存容器，以及空气压力调节装置，用于根据储存容器的内部空气压力将外部空气引入储存容器 ，以增加内部空气压力。
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公开(公告)号：US11867448B2
公开(公告)日：2024-01-09
申请号：US17032566
申请日：2020-09-25
Applicant: LG ELECTRONICS INC.
Inventor： Sangbok Choi , Kyongbae Park , Sungwook Kim , Sung Jhee
CPC classification number: F25D21/006 , F25D21/02 , F25D21/08 , F25D2700/02
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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Patent Agency Ranking
公开(公告)号：US20230160625A1
公开(公告)日：2023-05-25
申请号：US17923485
申请日：2021-04-21
Applicant: LG ELECTRONICS INC.
Inventor： Youngseung Song , Kyongbae Park , Yunsu Cho , Sangbok Choi , Namsoo Cho
IPC: F25D21/08
CPC classification number: F25D21/08 , F25D2700/10 , F25D2321/00
Abstract: The present disclosure relates to a refrigerator. The refrigerator according to an embodiment of the present disclosure comprises: an evaporator; a defrost heater; a temperature sensor to sense ambient temperature around the evaporator; and a controller to control the defrost heater, wherein the controller is configured to: perform a defrost operation mode in a case of reaching a defrosting operation start time point; perform, based on the defrost operation mode, a continuous operation mode in which the defrost heater is continuously turned on, and a pulse operation mode in which the defrost heater is repeatedly turned on and off; and perform the continuous operation mode again after performing the pulse operation mode. Accordingly, defrosting efficiency may be improved, and power consumption may be reduced.
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公开(公告)号：US20210010738A1
公开(公告)日：2021-01-14
申请号：US17030888
申请日：2020-09-24
Applicant: LG Electronics Inc.
Inventor： Sangbok Choi , Kyongbae Park , Sungwook Kim , Sung Jhee
Abstract: A method for controlling a refrigerator includes operating, for a predetermined period of time, a heating element of a sensor disposed on a bypass passage which allows a portion of air to bypass an evaporator disposed in a heat-exchange space; sensing the temperature of the heating element in on or off state; and sensing the blockage of an air passage in the heat-exchange space 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：US10190813B2
公开(公告)日：2019-01-29
申请号：US15029227
申请日：2016-01-21
Applicant: LG ELECTRONICS INC.
Inventor： Myungjin Chung , Namsoo Cho , Kyongbae Park , Jangseok Lee
Abstract: Provided are a refrigerator and a method for controlling the same. The refrigerator includes a cabinet defining a storage compartment, a door selectively opening or closing the storage compartment, a heater disposed in the cabinet or door to prevent dew from being formed on a surface of the cabinet or door, a refrigerator temperature sensor detecting a temperature of the storage compartment of the refrigerator, and a control unit adjusting an operation factor or output of the heater on the basis of a temperature value detected by the refrigerator temperature sensor.
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公开(公告)号：US11668512B2
公开(公告)日：2023-06-06
申请号：US17212521
申请日：2021-03-25
Applicant: LG Electronics Inc.
Inventor： Soonkyu Lee , Sungwook Kim , Kyongbae Park , Sangbok Choi
CPC classification number: F25D21/004 , F25D17/067 , F25D21/002 , F25D21/08 , F25D2321/1413 , F25D2600/02 , F25D2700/10
Abstract: A method for controlling a refrigerator includes providing an initial input value to a heater configured to supply heat to an evaporator, performing a continuous operation of the heater based on the initial input value to increase a temperature of the evaporator to a predetermined temperature, 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, operating the heater based on a first input value that is equal to the initial input value based on a determination that the period of time is outside of the reference period of time, and operating the heater based on a second input value that is less than the initial input value 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：US20210055034A1
公开(公告)日：2021-02-25
申请号：US17012993
申请日：2020-09-04
Applicant: LG ELECTRONICS INC.
Inventor： Sangbok Choi , Kyongbae Park , Sungwook Kim , Sung Jhee
Abstract: A control method of a refrigerator includes the steps in which: a heating element of a sensor which is responsive to a change in the flow rate of air is turned off after being turned on for a predetermined period of time; a first sensing temperature (Ht1) of the heating element is sensed in a state in which the heating element is on, and a second sensing temperature (Ht2) of the heating element is sensed in a state in which the heating element is off; and a defrosting operation of removing frost on an evaporator is determined on the basis of the temperature difference value between the first sensing temperature (Ht1) and the second sensing detection temperature (Ht2).
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