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公开(公告)号：US10317113B2
公开(公告)日：2019-06-11
申请号：US15296649
申请日：2016-10-18
Applicant: LG ELECTRONICS INC.
Inventor： Chiwoo Song , Pilhyun Yoon , Kakjoong Kim , Jaehwa Jung
Abstract: An air conditioner is provided that may include at least one compressor that compresses a refrigerant to a high pressure; a plurality of heat exchanger that condenses the refrigerant compressed in the at least one compressor; a plurality of outdoor valves, respectively, provided at an outlet side pipe of the plurality of heat exchangers; a gas liquid separator that separates the refrigerant into gas and liquid refrigerants and supplies the gas refrigerant to the at least one compressor; and one or more bypass devices connected to the outlet side pipe of one or more of the plurality of heat exchangers and an inlet side pipe of the gas liquid separator, the one or more bypass devices controlling a flow of the liquid refrigerant. During a cooling low load operation in which a portion of the plurality of heat exchangers is operating, a liquid refrigerant loaded into a heat exchanger of the plurality of heat exchangers, which is not operated, may flow through the one or more bypass device.
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公开(公告)号：US09267716B2
公开(公告)日：2016-02-23
申请号：US13756926
申请日：2013-02-01
Applicant: LG Electronics Inc.
Inventor： Chiwoo Song , Yongcheol Sa
CPC classification number: F25B30/02 , F24F1/14 , F25B39/00 , F25B41/04 , F25B49/02 , F28D1/0417 , F28D1/05308 , F28D1/05316 , F28F9/262 , F28F27/02 , F28F2250/06
Abstract: A heat exchanger included in an air conditioner includes a first header pipe to have a refrigerant, compressed by a compressor, to flow therein and a first heat exchange unit coupled to the first header pipe to receive the refrigerant flowing in the first header, a second header pipe to have the refrigerant to flow therein and a second heat exchange unit coupled to the second header pipe to receive the refrigerant flowing in the second header pipe in the air cooling operation. A bypass pipe couples the first heat exchange unit with the second header pipe and a bypass valve controls a flow of the refrigerant through the bypass pipe. A controller controls the bypass valve such that the refrigerant is allowed to flow from the first heat exchange unit to the second header pipe in the air cooling operation.
Abstract translation: 包括在空调器中的热交换器包括：具有由压缩机压缩的制冷剂流入其中的第一集管和耦合到第一集管的第一热交换单元，以接收在第一集管中流动的制冷剂，第二集管 集管，以使制冷剂流入其中;以及第二热交换单元，其耦合到第二集管，以在空气冷却操作中接收在第二集管中流动的制冷剂。 旁通管将第一热交换单元与第二总管连接，旁通阀控制制冷剂通过旁通管的流动。 控制器控制旁通阀，使得制冷剂在空气冷却操作中被允许从第一热交换单元流动到第二总管。
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公开(公告)号：US20150271949A1
公开(公告)日：2015-09-24
申请号：US14661038
申请日：2015-03-18
Applicant: LG ELECTRONICS INC.
Inventor： Kakjoong KIM , Jaehwa Jung , Chiwoo Song
IPC: H05K7/20
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.
Abstract translation: 公开了一种空调的室外机。 空调机的室外机包括室外机主体，安装有发热元件的印刷电路板，安装在室外机体中的电子盒，安装有印刷电路板的电子盒，散热模块 使所述发热元件接触，所述散热模块允许制冷剂流过其中;以及散热模块支撑件，其安装在所述室外单元主体中，使得所述散热模块固定到所述散热模块支撑件以支撑所述散热模块。 当电子盒分离时，散热模块的振动可以最小化，从而提高散热模块的可靠性。
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公开(公告)号：US20130219944A1
公开(公告)日：2013-08-29
申请号：US13756926
申请日：2013-02-01
Applicant: LG Electronics Inc.
Inventor： Chiwoo Song , Yongcheol Sa
CPC classification number: F25B30/02 , F24F1/14 , F25B39/00 , F25B41/04 , F25B49/02 , F28D1/0417 , F28D1/05308 , F28D1/05316 , F28F9/262 , F28F27/02 , F28F2250/06
Abstract: A heat exchanger included in an air conditioner includes a first header pipe to have a refrigerant, compressed by a compressor, to flow therein and a first heat exchange unit coupled to the first header pipe to receive the refrigerant flowing in the first header, a second header pipe to have the refrigerant to flow therein and a second heat exchange unit coupled to the second header pipe to receive the refrigerant flowing in the second header pipe in the air cooling operation. A bypass pipe couples the first heat exchange unit with the second header pipe and a bypass valve controls a flow of the refrigerant through the bypass pipe. A controller controls the bypass valve such that the refrigerant is allowed to flow from the first heat exchange unit to the second header pipe in the air cooling operation.
Abstract translation: 包括在空调器中的热交换器包括：具有由压缩机压缩的制冷剂流入其中的第一集管和耦合到第一集管的第一热交换单元，以接收在第一集管中流动的制冷剂，第二集管 集管，以使制冷剂流入其中;以及第二热交换单元，其耦合到第二集管，以在空气冷却操作中接收在第二集管中流动的制冷剂。 旁通管将第一热交换单元与第二总管连接，旁通阀控制制冷剂通过旁通管的流动。 控制器控制旁通阀，使得制冷剂在空气冷却操作中被允许从第一热交换单元流动到第二总管。
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公开(公告)号：US20240068686A1
公开(公告)日：2024-02-29
申请号：US18112612
申请日：2023-02-22
Applicant: LG ELECTRONICS INC.
Inventor： Ilyoong SHIN , Chiwoo Song , Ahrae Jo , Eunjun Cho
CPC classification number: F24F11/43 , F24F1/0068 , F24F5/0035 , F24F11/64 , F24F11/84 , F24F13/30 , F24F1/005
Abstract: An air conditioner may include a case through which outdoor air flows into an indoor space is formed; a first heat exchanger that exchanges heat between the air and refrigerant; a second heat exchanger disposed downstream of the first heat exchanger, through which the refrigerant selectively flows, and that exchanges heat between the air and the refrigerant; a liquid pipe connected to each of the first and second heat exchangers; a high-pressure gas pipe connected to each of the first and second heat exchangers; a low-pressure gas pipe through which the gaseous refrigerant discharged from the first and second heat exchangers flows; a high-pressure gas pipe valve; a low-pressure gas pipe valve; an expansion valve installed in the liquid pipe; and a controller configured to control an opening degree of the low-pressure gas pipe valve, based on a temperature of the refrigerant flowing through the first heat exchanger.
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Patent Agency Ranking
公开(公告)号：US11898782B2
公开(公告)日：2024-02-13
申请号：US17474346
申请日：2021-09-14
Applicant: LG ELECTRONICS INC.
Inventor： Chiwoo Song , Yongcheol Sa , Jiyoung Jang
CPC classification number: F25B41/40 , F25B41/24 , F25B49/02 , F25B2345/002 , F25B2500/222 , F25B2600/2515
Abstract: A multi-air conditioner for heating/cooling operation may include: at least one indoor unit which is installed in a room, and includes an indoor heat exchanger; an outdoor unit which is connected to the indoor unit through a refrigerant pipe, and includes 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：US11867423B2
公开(公告)日：2024-01-09
申请号：US17212220
申请日：2021-03-25
Applicant: LG ELECTRONICS INC.
Inventor： Youngjoo Shin , Chiwoo Song , Jaewon Lee , Soyoon Kim
IPC: F25B5/02 , F25B25/00 , F24F1/0003 , F24F1/0007 , F24F1/06 , F24F11/83 , F24F11/84 , F24F1/0068
CPC classification number: F24F11/84 , F24F1/0068
Abstract: A heat pump and a method for operating a heat pump are provided. The heat pump may include an outdoor unit including a compressor that compresses a refrigerant and an outdoor heat exchanger that exchanges heat between the refrigerant and outdoor air, a hybrid unit including at least one fluid-refrigerant heat exchanger that exchanges heat between the refrigerant supplied from the outdoor unit and a fluid, such as water, and at least one refrigerant control valve that controls an amount of refrigerant flowing through the at least one fluid-refrigerant heat exchanger, a plurality of indoor units each including an indoor heat exchanger that exchanges heat between the fluid supplied from the hybrid unit and indoor air, and a controller. The controller may calculate operation loads of the plurality of indoor units and control an opening degree of the at least one refrigerant control value based on the operation loads of the plurality of indoor units.
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公开(公告)号：US11725855B2
公开(公告)日：2023-08-15
申请号：US17088773
申请日：2020-11-04
Applicant: LG ELECTRONICS INC.
Inventor： Chiwoo Song , Yongcheol Sa , Kakjoong Kim , Ilyoong Shin
CPC classification number: F25B13/00 , F24F3/065 , F25B25/005 , F25B2313/0231 , F25B2600/2501
Abstract: Provided is an air conditioning apparatus. The air conditioning apparatus includes a heat exchanger in which the refrigerant and the water are heat-exchanged with each other, a high-pressure guide tube extending from a high-pressure gas tube of an outdoor unit so as to be connected to one side of the heat exchanger, a low-pressure guide tube extending 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 extending from a liquid tube of the outdoor unit so as to be connected to the other side of the heat exchanger, a bypass tube configured to connect a bypass branch point of the high-pressure gas tube to a bypass combination point of the liquid guide tube to bypass a high-pressure refrigerant existing in the high-pressure tube to the liquid guide tube, and a bypass valve installed in the bypass tube.
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公开(公告)号：US11629864B2
公开(公告)日：2023-04-18
申请号：US17394595
申请日：2021-08-05
Applicant: LG ELECTRONICS INC.
Inventor： Chiwoo Song , Yongcheol Sa , Ilyoong Shin , Ahrae Jo
IPC: F24F3/10 , F24F11/84 , F24F1/0007 , F24F1/0038 , F24F1/0063 , F24F13/10
Abstract: A multi-type air conditioner may include three pipes, including a high-pressure pipe, a low-pressure pipe, and a liquid line which may be connected to a plurality of indoor units, in which some of the indoor units may be operated in a cooling mode and the rest of the indoor units may be operated in a heating mode, such that waste heat from the indoor units operated in the heating mode may be recovered to be used for the indoor units operated in the cooling mode.
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公开(公告)号：US11506427B2
公开(公告)日：2022-11-22
申请号：US17088760
申请日：2020-11-04
Applicant: LG ELECTRONICS INC.
Inventor： Jisung Lee , Ahrae Jo , Yongcheol Sa , Chiwoo Song , Ilyoong Shin
IPC: F25B13/00 , F24F1/0059 , F24F1/32 , F25B40/00
Abstract: Provided is an air conditioning apparatus. The air conditioning apparatus includes an outdoor unit which includes a compressor and an outdoor heat exchanger and through which a refrigerant is circulated, an indoor unit through which water is circulated, a heat exchanger in which the refrigerant and the water are heat-exchanged with each other, a water tube configured to guide the water circulated through the indoor unit and the heat exchanger, a pump installed in the water tube, and a controller configured to analyze an output signal of the pump so as to calculate a ration of an air layer in the water tube, the controller being configured to control a target supercooling degree or target superheating degree of the heat exchanger according to the calculated ratio of the air layer.
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