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公开(公告)号：US20160003512A1
公开(公告)日：2016-01-07
申请号：US14790442
申请日：2015-07-02
Applicant: LG ELECTRONICS INC.
Inventor： Jaehwa JUNG , Chiwoo SONG
CPC classification number: F25B43/02 , F25B13/00 , F25B31/002 , F25B31/004 , F25B40/00 , F25B40/02 , F25B43/006 , F25B2400/13 , F25B2400/23
Abstract: An air conditioner is provided. The air conditioner includes a compressor for compressing a refrigerant, an oil separator for separating an oil of the refrigerant discharged from the compressor to collect the separated oil into the compressor, a condenser for condensing the refrigerant separated from the oil separator, and a supercooling part in which a main refrigerant that is the refrigerant condensed by the condenser is heat-exchanged with a branch refrigerant branched from the main refrigerant. At least a portion of the oil collected into the compressor passes through the supercooling part.
Abstract translation: 提供空调。 空调机包括用于压缩制冷剂的压缩机，用于分离从压缩机排出的制冷剂的油的油分离器，以将分离的油收集到压缩机中，用于冷凝从分油器分离的制冷剂的冷凝器和过冷却部件 其中作为由冷凝器冷凝的制冷剂的主制冷剂与从主制冷剂分支的分支制冷剂进行热交换。 收集到压缩机中的油的至少一部分通过过冷部分。
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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：US20220018581A1
公开(公告)日：2022-01-20
申请号：US17378969
申请日：2021-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Chiwoo SONG , Yongcheol SA , Jiyoung JANG
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 for both cooling and heating including 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; and a distributor disposed between the outdoor unit and the at least one indoor unit, that distributes the refrigerant. The plurality of outdoor heat exchangers in the outdoor unit may include a first heat exchanger, a first end of which is connected to the switching unit, and a second end of which is connected to the distributor; a second heat exchanger disposed under the first heat exchanger, a first end of which is configured to be coupled to or decoupled from the second end of the first heat exchanger, and a second end of which is connected to the distributor; and a third heat exchanger disposed under the second heat exchanger, a first end of which is connected to the discharge side of the compressor, and a second end of which is connected to the indoor unit.
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公开(公告)号：US20210231317A1
公开(公告)日：2021-07-29
申请号：US17143310
申请日：2021-01-07
Applicant: LG ELECTRONICS INC.
Inventor： Kakjoong KIM , Chiwoo SONG , IIyoong SHIN , Yongcheol SA
Abstract: An air conditioning apparatus may include an outdoor unit through which a first fluid, such as refrigerant circulates, an indoor unit through which a second fluid, such as water circulates, a heat exchange device which is configured to connect the outdoor unit to the indoor unit and in which the first fluid and the second fluid are heat-exchanged with each other, a first inner tube which is configured to connect the outdoor unit to the heat exchange device and through which the first fluid at high-pressure flows, a second inner tube which is configured to connect the outdoor unit to the heat exchange device and through which the first fluid at low-pressure flows, and a third inner tube which is configured to connect the outdoor unit to the heat exchange device and through which the first fluid in liquid form flows. The heat exchange device may include a bypass tube configured to bypass the second inner tube and a flow control valve provided in the bypass tube.
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Patent Agency Ranking
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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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：US20220090832A1
公开(公告)日：2022-03-24
申请号：US17474346
申请日：2021-09-14
Applicant: LG Electronics Inc.
Inventor： Chiwoo SONG , Yongcheol SA , Jiyoung JANG
Abstract: The present disclosure provides a multi-air conditioner for heating/cooling operation, including: at least one indoor unit which is installed in a room, and comprises an indoor heat exchanger; an outdoor unit which is connected to the indoor unit through a refrigerant pipe, and comprises an outdoor heat exchanger, a compressor, an outdoor expansion valve, and a four-way valve; at least one leakage blocking valve which is formed on the refrigerant pipe, and blocks a refrigerant flow in the refrigerant pipe when a refrigerant leak occurs from the refrigerant pipe in the room; and a buffer unit which is installed on the refrigerant pipe between the indoor unit and the outdoor unit, and collects refrigerant leaking from the refrigerant pipe. Accordingly, when the refrigerant leaks into the room, it is possible to minimize the amount of the leaking refrigerant by collecting the refrigerant in the buffer tank.
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公开(公告)号：US20200370794A1
公开(公告)日：2020-11-26
申请号：US16775912
申请日：2020-01-29
Applicant: LG Electronics Inc.
Inventor： Chiwoo SONG , Yongcheol SA , Youngjoo SHIN , Ilyoong SHIN
IPC: F25B13/00
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 that connects 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 device and the heat exchanger.
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