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公开(公告)号：US20200318882A1
公开(公告)日：2020-10-08
申请号：US16087925
申请日：2017-03-24
Applicant: LG Electronics Inc.
Inventor： Namgyo Lee , Yonghyeon CHO , Jindong KIM , Sunghee KANG , Jihyun IM , Youngseung SONG , Namgi LEE , Namsoo CHO
Abstract: A control method for a refrigerator comprises sensing a temperature of a first storage chamber; increasing an output of a first cooling fan if the temperature reaches a value greater than or equal to a second reference temperature; reducing the output of the first cooling fan if the temperature reaches a value less than or equal to a first reference temperature; increasing the output of the first cooling fan if a first reference time has passed after the temperature has reached the value or if the temperature chamber reaches a first setting temperature between the first reference temperature and the second reference temperature; and reducing the output of the first cooling fan if a second reference time has passed after the output of the first cooling fan has been changed, or if the temperature reaches a preset second setting temperature between the first setting temperature and the first reference temperature.
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公开(公告)号：US20210239383A1
公开(公告)日：2021-08-05
申请号：US17159875
申请日：2021-01-27
Applicant: LG Electronics Inc.
Inventor： Kihwang KIM , Sunghee KANG , Sangho JUNG , Yonghyeon CHO
Abstract: A refrigerator includes: an evaporator provided in a storage space and configured to supply cold air to the storage space, a duct assembly provided above the evaporator and configured to guide the cold air supplied to the storage space, a door supply duct coupled to the duct assembly and configured to guide a part of the cold air flowing through the duct assembly to a door, and a fan motor assembly coupled to a lower end of the duct assembly and configured to suction air cooled by the evaporator and blow the suctioned air into the duct assembly. The duct assembly defines a first passage and a second passage that are spaced apart from each other, where the second passage includes a main passage configured to supply the cold air to the storage space and a sub-passage branched from the main passage and coupled to the door supply duct.
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公开(公告)号：US20190331393A1
公开(公告)日：2019-10-31
申请号：US16329960
申请日：2017-12-06
Applicant: LG Electronics Inc.
Inventor： Donghyoung LEE , Kihwang KIM , Daesig SHIN , Sunghee KANG , Yonghyeon CHO
Abstract: Disclosed is a refrigerator including a main body forming a refrigerating chamber and a freezing chamber each including a temperature sensor, a cooling unit having a compressor and an evaporator accommodated inside the main body and driven to circulate a refrigerant in the compressor and the evaporator to generate cold air around the evaporator, a fan positioned inside the main body to supply the cold air to the freezing chamber, a damper positioned between the freezing chamber and the refrigerating chamber and opened and closed to allow the freezing chamber and the refrigerating chamber to selectively communicate with each other, and a controller controlling the damper for a predetermined damper opening time when a temperature of the freezing chamber reaches a freezing satisfaction temperature according to driving of the cooling unit. A temperature change of the refrigerating chamber over time may be reduced and power consumption may be improved.
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Patent Agency Ranking
公开(公告)号：US20200300530A1
公开(公告)日：2020-09-24
申请号：US16087872
申请日：2017-03-24
Applicant: LG Electronics Inc.
Inventor： Hosan KIM , Sunghee KANG , Jindong KIM , Jeongwon PARK , Namgyo Lee , Jihyun IM , Namsoo CHO , Yonghyeon CHO
Abstract: A control method for a refrigerator comprises: driving a first cooling fan to cool a first storage chamber; adjusting a damper to cause cold air to simultaneously flow through first and second cold-air passages; adjusting a damper to reduce the opening angle of the first cold-air passage, when the temperature of a high-temperature chamber reaches a value smaller than or equal to a second reference temperature for the high-temperature chamber; adjusting a damper to reduce the opening angle of the second cold-air passage, when the temperature of a low-temperature chamber reaches a value smaller than or equal to a second reference temperature for the low-temperature chamber; and driving a second cooling fan to cool a second storage chamber. When a predetermined time elapses or the sensed temperature of the high-temperature chamber reaches a first set temperature, the damper is adjusted to increase the opening angle of the first cold-air passage.
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公开(公告)号：US20190107322A1
公开(公告)日：2019-04-11
申请号：US16087979
申请日：2017-03-20
Applicant: LG Electronics Inc.
Inventor： Namgyo LEE , Jindong KIM , Yonghyeon CHO , Sunghee KANG , Jihyun IM
IPC: F25D29/00
Abstract: The present invention relates to a refrigerator and a control method therefor. The present invention provides a refrigerator and a control method therefor, the control method comprising: a first step for driving a compressor for compressing a refrigerant and a fan for moving air; a second step for driving the compressor and stopping the fan; a third step for stopping the compressor and driving the fan; and a fourth step for stopping the compressor and the fan.
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公开(公告)号：US20170261251A1
公开(公告)日：2017-09-14
申请号：US15430738
申请日：2017-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Yonghyeon CHO , Sunghee KANG
Abstract: A refrigerator comprises: a cabinet having a refrigerating chamber; a refrigerating chamber evaporator provided to correspond to the refrigerating chamber, and configured to generate cool air by a driving of a compressor; an evaporator temperature sensor mounted to the refrigerating chamber evaporator, and configured to sense a temperature; a blower fan configured to supply cool air generated from the refrigerating chamber evaporator to the refrigerating chamber; and a controller configured to determine whether to stop the blower fan or not, based on a temperature of the refrigerating chamber evaporator sensed by the evaporator temperature sensor when the compressor is stopped.
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公开(公告)号：US20210310726A1
公开(公告)日：2021-10-07
申请号：US17350551
申请日：2021-06-17
Applicant: LG Electronics Inc.
Inventor： Namgyo LEE , Jindong KIM , Yonghyeon CHO , Sunghee KANG , Jihyun IM
Abstract: A control method for controlling a refrigerator includes a first step for driving a compressor for compressing a refrigerant and a fan for moving air, a second step for driving the compressor and stopping the fan, a third step for stopping the compressor and driving the fan, and a fourth step for stopping the compressor and the fan.
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公开(公告)号：US20170261250A1
公开(公告)日：2017-09-14
申请号：US15381400
申请日：2016-12-16
Applicant: LG ELECTRONICS INC.
Inventor： Yonghyeon CHO , Sunghee Kang
CPC classification number: F25D17/062 , F25D11/00 , F25D17/065 , F25D23/02 , F25D23/04 , F25D2317/0661 , F25D2317/0671 , F25D2323/021 , F25D2323/023
Abstract: A refrigerator comprising a cabinet comprising a storage compartment provided therein; a first door rotatably coupled to the cabinet to open and close the storage compartment; an outer door rotatable opening and closing an opening that is provided in the inner door; and a multi-duct provided in an inner well of the, storage compartment and comprising: a first duct comprising a first upper outlet hole a first middle outlet hole and a first lower outlet hole for exhausting cold air toward the first door of the storage compartment; and a second duct comprising a second upper outlet hole, a second middle outlet hole and a second lower outlet hole for exhausting cold air toward the inner door of the storage compartment, wherein an inlet hole for sucking cold air to the first duct is smaller than an inlet hole for sucking cold air to the second duct.
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