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公开(公告)号:US20200326092A1
公开(公告)日:2020-10-15
申请号:US16849656
申请日:2020-04-15
Applicant: LG Electronics Inc.
Inventor: Chiwoo SONG , Yongcheol SA , Ilyoong SHIN , Jisung LEE
Abstract: An air conditioning apparatus includes a heat exchange device that connects an outdoor unit to an indoor unit and that includes a heat exchanger configured to perform heat exchange between refrigerant and water, thereby reducing an amount of refrigerant used to perform a cooling operation or a heating operation. The apparatus further includes a switching mechanism that connects the outdoor unit to the heat exchange device and that is configured to be connected to both a simultaneous outdoor unit and a switchable outdoor unit to thereby allow the heat exchange device to be installed regardless of the type of the outdoor unit.
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公开(公告)号:US20230003399A1
公开(公告)日:2023-01-05
申请号:US17778477
申请日:2020-08-26
Applicant: LG ELECTRONICS INC.
Inventor: Jisung LEE , Yongcheol SA , Chiwoo SONG , Ilyoong SHIN
Abstract: An air conditioning system and a method for controlling an air conditioning system are provided. The air conditioning system may determine loads for each indoor unit of a plurality of indoor units considering capacities of the plurality of indoor units, a length of an indoor unit pipe connected from a pump to each indoor unit, and map the plurality of indoor units and a plurality of pumps based on the determined loads.
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公开(公告)号:US20200309418A1
公开(公告)日:2020-10-01
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:US20240230193A9
公开(公告)日:2024-07-11
申请号:US18380291
申请日:2023-10-16
Applicant: LG ELECTRONICS INC.
Inventor: Daehyoung KIM , Yongcheol SA , Jiyoung JANG , Chiwoo SONG , Jisung LEE
CPC classification number: F25B49/022 , F25B41/34 , F25B2313/0233 , F25B2600/2513
Abstract: An air conditioner may include a controller; a compressor that compresses a refrigerant; an outdoor heat exchanger through which the refrigerant discharged from the compressor flows; a plurality of expansion valves that expands the refrigerant passed through the outdoor heat exchanger; a plurality of indoor heat exchangers through which the refrigerant passed through the plurality of expansion valves flows; a plurality of connection pipes that connects the plurality of indoor heat exchangers and the compressor; and a plurality of variable valves installed in the plurality of connection pipes. An opening degree of each of the plurality of variable valves may be adjustable via the controller.
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公开(公告)号:US20240377109A1
公开(公告)日:2024-11-14
申请号:US18656865
申请日:2024-05-07
Applicant: LG ELECTRONICS INC.
Inventor: Jiyoung JANG , Yongcheol SA , Chiwoo SONG , Jisung LEE
IPC: F25B13/00
Abstract: An air conditioner of the present disclosure includes one or more outdoor units comprising a compressor and an outdoor heat exchanger which exchanges heat between a refrigerant flowing through the compressor and external air; and a plurality of indoor units which are connected to the outdoor unit, and have an indoor heat exchanger, wherein the plurality of indoor units include a first indoor unit group and a second indoor unit group, wherein the outdoor unit and the first indoor unit group are connected by a first gas pipe and a liquid pipe, and wherein the outdoor unit and the second indoor unit group are connected by a second gas pipe and the liquid pipe.
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公开(公告)号:US20240133605A1
公开(公告)日:2024-04-25
申请号:US18380291
申请日:2023-10-15
Applicant: LG ELECTRONICS INC.
Inventor: Daehyoung KIM , Yongcheol SA , Jiyoung JANG , Chiwoo SONG , Jisung LEE
CPC classification number: F25B49/022 , F25B41/34 , F25B2313/0233 , F25B2600/2513
Abstract: An air conditioner may include a controller; a compressor that compresses a refrigerant; an outdoor heat exchanger through which the refrigerant discharged from the compressor flows; a plurality of expansion valves that expands the refrigerant passed through the outdoor heat exchanger; a plurality of indoor heat exchangers through which the refrigerant passed through the plurality of expansion valves flows; a plurality of connection pipes that connects the plurality of indoor heat exchangers and the compressor; and a plurality of variable valves installed in the plurality of connection pipes. An opening degree of each of the plurality of variable valves may be adjustable via the controller.
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公开(公告)号:US20210199349A1
公开(公告)日:2021-07-01
申请号:US17108423
申请日:2020-12-01
Applicant: LG ELECTRONICS INC.
Inventor: Jisung LEE , Yongcheol Sa , Chiwoo Song , Ilyoong Shin
Abstract: An air conditioner includes a bypass pipe connecting a first bypass branch of a first connection pipe, through which high-pressure refrigerant flows, with a second bypass branch of a third connection pipe, through which low-pressure refrigerant flows, to allow bypassing of high-pressure refrigerant in the first connection pipe to the third connection pipe, and a bypass valve mounted in the bypass pipe. During a cooling operation of an indoor unit, the bypass valve is opened to allow bypassing of high-pressure refrigerant of the first connection pipe to the third connection pipe.
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公开(公告)号:US20200370795A1
公开(公告)日:2020-11-26
申请号:US16775916
申请日:2020-01-29
Applicant: LG Electronics Inc.
Inventor: Chiwoo SONG , Ilyoong SHIN , Yongcheol SA , Jisung LEE
Abstract: An air conditioning apparatus includes an outdoor device that is configured to circulate refrigerant and that includes a compressor and an outdoor heat exchanger, a plurality of indoor devices configured to circulate water, and a heat exchange device connecting the outdoor device with the indoor device. The heat exchange device includes a heat exchanger configured to exchange heat between the refrigerant and the water, and a switch device configured to control flow of refrigerant between the indoor devices and the heat exchanger.
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公开(公告)号:US20200326091A1
公开(公告)日:2020-10-15
申请号:US16792042
申请日:2020-02-14
Applicant: LG Electronics Inc.
Inventor: Ilyoong SHIN , Yongcheol SA , Chiwoo SONG , Youngjoo SHIN , Jisung LEE
IPC: F24F11/84 , F24F1/32 , F24F1/0007 , F24F13/30
Abstract: An air conditioning apparatus includes: an outdoor unit configured to circulate refrigerant; an indoor unit configured to circulate water; 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; and a plurality of pipes and valves. The heat exchange device includes first and second heat exchangers. The air conditioning apparatus is configured to perform a cooling operation or a heating operation based on operating one or both of the first heat exchanger and the second heat exchanger and one or more of the valves.
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