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公开(公告)号：US09861008B2
公开(公告)日：2018-01-02
申请号：US14661038
申请日：2015-03-18
Applicant: LG ELECTRONICS INC.
Inventor： Kakjoong Kim , Jaehwa Jung , Chiwoo Song
CPC classification number: H05K7/2039 , F24F1/24 , H05K7/20272
Abstract: An outdoor unit of an air conditioner is disclosed. The outdoor unit of the air conditioner includes an outdoor unit body, a printed circuit board having a heat generating element installed thereat, an electronic box mounted in the outdoor unit body, the electronic box having the printed circuit board installed therein, a heat dissipation module contacting the heat generating element, the heat dissipation module allowing refrigerant to flow therethrough, and a heat dissipation module support mounted in the outdoor unit body such that the heat dissipation module is fixed to the heat dissipation module support to support the heat dissipation module. Shaking of the heat dissipation module can be minimized when the electronic box is separated, thereby improving reliability of the heat dissipation module.
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12.发明申请公开(公告)号：US20150176848A1
公开(公告)日：2015-06-25
申请号：US14582450
申请日：2014-12-24
Applicant: LG ELECTRONICS INC.
Inventor： Jaehwa JUNG , Chiwoo Song , Kakjoong Kim
CPC classification number: F24F3/065 , F25B13/00 , F25B2313/005 , F25B2313/006 , F25B2313/0231 , F25B2313/0233 , F25B2313/0252 , F25B2313/0253 , F25B2313/0272 , F25B2313/02741 , F25B2700/21152
Abstract: An air conditioning system and a method of controlling an air conditioner system are provided. The air conditioning system may include an outdoor device disposed in an outdoor space, the outdoor device including a compressor and an outdoor heat exchanger, a plurality of indoor devices disposed in an indoor space, the plurality of indoor devices including an indoor heat exchanger, and a distributor that distributes and introduces a refrigerant into the plurality of indoor devices. The outdoor device may include an outdoor branch branched into a plurality of refrigerant paths, a first outdoor tube that extends from the outdoor branch to guide the refrigerant to a first heat exchanger of the outdoor heat exchanger, a second outdoor tube that extends from the outdoor branch to guide the refrigerant to a second heat exchanger of the outdoor heat exchanger, and a bypass tube that extends from the outdoor branch to allow the refrigerant to bypass the outdoor heat exchanger, thereby guiding the refrigerant to the compressor.
Abstract translation: 提供一种空调系统和一种空调系统的控制方法。 所述空调系统可以包括设置在室外空间的室外机，所述室外机具备压缩机和室外热交换器，设置在室内空间的多个室内机，所述多个室内机具备室内热交换器， 分配器，其将制冷剂分配并引入到多个室内装置中。 室外机可以包括分支成多个制冷剂路径的室外分支，从室外分支延伸以将制冷剂引导到室外热交换器的第一热交换器的第一室外管，从室外延伸的第二室外管 分支以将制冷剂引导到室外热交换器的第二热交换器;以及旁路管，其从室外分支延伸以允许制冷剂绕过室外热交换器，从而将制冷剂引导到压缩机。
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公开(公告)号：US12117219B2
公开(公告)日：2024-10-15
申请号：US17546212
申请日：2021-12-09
Applicant: LG ELECTRONICS INC.
Inventor： Jiyoung Jang , Yongcheol Sa , Chiwoo Song
CPC classification number: F25B49/022 , F24F11/36 , F25B41/24 , F25B49/02 , F25B2500/22 , F25B2500/222 , F25B2600/0251 , F25B2600/2513 , F25B2600/2515 , F25B2600/2519 , F25B2700/19
Abstract: An air conditioner may include an outdoor unit having a compressor; at least one indoor unit having an indoor heat exchanger, an indoor expansion valve, and a leak sensor that senses leakage of the refrigerant; a gaseous line; a liquid line; a first shut-off valve disposed adjacent to the at least one indoor unit that opens and closes the gaseous line; a second shut-off valve disposed adjacent to the at least one indoor unit that opens and closes the liquid line; a subcooling pipe branched from the liquid line and connected to an inlet of the compressor; a subcooling expansion valve that expands refrigerant, flowing through the subcooling pipe; and a controller configured to control operation of the compressor and to control opening and closing of the first shut-off valve, the second shut-off valve, the indoor expansion valve, and the subcooling expansion valve.
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公开(公告)号：US12078396B2
公开(公告)日：2024-09-03
申请号：US17378969
申请日：2021-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Chiwoo Song , Yongcheol Sa , Jiyoung Jang
CPC classification number: F25B49/02 , F25B13/00 , F25B39/00 , F25B41/31 , F25B41/40 , F25B2313/02741 , F25B2600/2513 , F25B2700/02 , F25B2700/1931 , F25B2700/2103 , F25B2700/2104 , F25B2700/2106
Abstract: A multi-air conditioner for heating and cooling may include at least one indoor unit for both cooling and heating including an indoor heat exchanger, an outdoor unit, and a distributor disposed between the outdoor unit and the at least one indoor unit. The outdoor unit may include a compressor, a plurality of outdoor heat exchangers, and a switching unit disposed on a discharge side of the compressor to switch a flow of refrigerant. The plurality of outdoor heat exchangers may include a first heat exchanger, a second heat exchanger disposed under the first heat exchanger, and a third heat exchanger disposed under the second heat exchanger. A first end of the third heat exchanger may be connected to the discharge side of the compressor, and a second end of the third heat exchanger may be connected to the indoor unit.
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公开(公告)号：US20240230190A9
公开(公告)日：2024-07-11
申请号：US18380267
申请日：2023-10-16
Applicant: LG ELECTRONICS INC.
Inventor： Daehyoung KIM , Yongcheol Sa , Jiyoung Jang , Chiwoo Song , Jisung Lee
CPC classification number: F25B49/02 , F25B13/00 , F25B2313/007 , F25B2313/0233 , F25B2313/0291 , F25B2313/0292 , F25B2600/2513 , F25B2700/1933
Abstract: An air conditioner may include a controller; a compressor; an outdoor heat exchanger; a plurality of indoor heat exchangers; a switching valve that selectively guides a refrigerant discharged from the compressor to the outdoor heat exchanger or the plurality of indoor heat exchangers; high pressure pipes that connect the switching valve and the plurality of indoor heat exchangers; high pressure valves installed in the high pressure pipes; low pressure pipes that connect an inlet of the compressor and the high pressure pipes. low pressure valves installed in the low pressure pipes; indoor pipes, which are opposite to the high pressure pipes with respect to the plurality of indoor heat exchangers and connected to the plurality of indoor heat exchangers; indoor expansion valves installed in the indoor pipes; a liquid pipe that connects the outdoor heat exchanger and the indoor pipes; and an outdoor expansion valve installed in the liquid pipe.
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Patent Agency Ranking
公开(公告)号：US20240142131A1
公开(公告)日：2024-05-02
申请号：US18384084
申请日：2023-10-26
Applicant: LG Electronics Inc.
Inventor： Daehyoung KIM , Yongcheol SA , Jiyoung Jang , Chiwoo Song , Jisung Lee
IPC: F24F11/84 , F24F1/0035 , F24F11/46 , F24F11/63
CPC classification number: F24F11/84 , F24F1/0035 , F24F11/46 , F24F11/63 , F24F2140/12
Abstract: An air conditioner is provided that may include an outdoor unit provided with a compressor; a plurality of indoor units connected to the outdoor unit, each having an indoor heat exchanger, and each disposed in a different space; a low pressure pipe that connects the indoor heat exchanger and the compressor and in which low pressure gaseous refrigerant flows; a switching device provided with a low pressure valve disposed between the indoor heat exchanger and the low pressure pipe; an indoor temperature sensor that measures a temperature of a space in which an indoor unit of the respective indoor unit is disposed; and a controller that is electrically connected to the indoor temperature sensor and adjusts an opening degree of the low pressure valve. The controller may adjust the opening degree of the low pressure valve based on a difference between a value measured by the indoor temperature sensor and a previously input set temperature. By increasing an evaporation pressure in the indoor unit, noise from the air conditioner may be suppressed or prevented and comfort improved.
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公开(公告)号：US11892209B2
公开(公告)日：2024-02-06
申请号：US17409929
申请日：2021-08-24
Applicant: LG ELECTRONICS INC.
Inventor： Jaehwa Jung , Yongcheol Sa , Chiwoo Song
CPC classification number: F25B41/24 , F24F11/36 , F25B40/02 , F25B41/31 , F25B49/022 , F25B41/20 , F25B2500/22 , F25B2500/222 , F25B2500/27 , F25B2600/0251 , F25B2600/2501 , F25B2600/2513 , F25B2600/2515 , F25B2600/2519
Abstract: A multi-air conditioner for heating and cooling may include at least one indoor unit, an outdoor unit, and at least one leak shut-off valve. The at least one indoor unit is installed in an indoor space and includes an indoor heat exchanger and an indoor expansion valve. The outdoor unit is connected to the at least one indoor unit via a refrigerant pipeline and includes an outdoor heat exchanger, a compressor, an outdoor expansion valve, and a four-way valve. The outdoor unit may decrease a pressure of the refrigerant pipeline when a refrigerant leak occurs from the refrigerant pipeline. The at least one leak shut-off valve is provided on the refrigerant pipeline and blocks a flow of refrigerant in the refrigerant pipeline when a refrigerant leak from the refrigerant pipeline occurs in the indoor space.
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公开(公告)号：US11578898B2
公开(公告)日：2023-02-14
申请号：US16808047
申请日：2020-03-03
Applicant: LG Electronics Inc.
Inventor： Ilyoong Shin , Yongcheol Sa , Chiwoo Song , Jisung Lee
IPC: F25B13/00
Abstract: An air conditioning apparatus includes an outdoor unit configured to circulate refrigerant, an indoor unit configured to circulate water, and a heat exchange device that connects the indoor unit to the outdoor unit and that is configured to perform heat exchange between the refrigerant and the water. The heat exchange device includes a first heat exchanger and a second heat exchanger, a first refrigerant pipe and a second refrigerant pipe that are connected to the first heat exchanger, a third refrigerant pipe and a fourth refrigerant pipe that are connected to the second heat exchanger, a first expansion valve disposed at the second refrigerant pipe, a second expansion valve disposed at the fourth refrigerant pipe, a bypass pipe that connects the second refrigerant pipe to the third refrigerant pipe, and a bypass valve disposed at the bypass pipe.
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公开(公告)号：US20220065505A1
公开(公告)日：2022-03-03
申请号：US17409929
申请日：2021-08-24
Applicant: LG Electronics Inc.
Inventor： Jaehwa JUNG , Yongcheol Sa , Chiwoo Song
Abstract: A multi-air conditioner for heating and cooling may include at least one indoor unit installed in an indoor space and comprising an indoor heat exchanger and an indoor expansion valve; an outdoor unit connected to the at least one indoor unit via a refrigerant pipeline and comprising an outdoor heat exchanger, a compressor, an outdoor expansion valve, and a four-way valve; and at least one leak shut-off valve provided on the refrigerant pipeline, that blocks a flow of refrigerant in the refrigerant pipeline when a refrigerant leak from the refrigerant pipeline occurs in the indoor space. The outdoor unit may decrease a pressure of the refrigerant pipeline when a refrigerant leak occurs from the refrigerant pipeline. Therefore, it is possible to minimize an amount of refrigerant leakage when there is a refrigerant leak in the indoor space.
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公开(公告)号：US20210278095A1
公开(公告)日：2021-09-09
申请号：US17143328
申请日：2021-01-07
Applicant: LG ELECTRONICS INC.
Inventor： Chiwoo Song , Yongcheol Sa , Ilyoong Shin , Jisung Lee
Abstract: An air conditioning apparatus is provided that may include an outdoor unit including a compressor and an outdoor heat exchanger and through which a refrigerant is circulated, an indoor unit through which a fluid, such as water is circulated, and at least one heat exchange device including a heat exchanger in which the refrigerant and the fluid are heat-exchanged with each other. The at least one heat exchange device may include a high-pressure guide tube that extends from a high-pressure gas tube of the outdoor unit so as to be connected to a first side of the heat exchanger, a low-pressure guide tube that extends from a low-pressure gas tube of the outdoor unit so as to be combined with the high-pressure guide tube, a liquid guide tube that extends from a liquid tube of the outdoor unit so as to be connected to a second side of the heat exchanger, and a solenoid valve installed in the high-pressure guide tube or the low-pressure guide tube to perform an opening and closing operation so as to allow the refrigerant to flow in a first direction. The high-pressure gas tube and the low-pressure gas tube may be connected to each other by a single gas tube, and when the indoor unit performs a cooling operation or a heating operation, flow of refrigerant in the first direction may be blocked in a state in which power is applied to the solenoid valve.
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