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公开(公告)号：US20250067484A1
公开(公告)日：2025-02-27
申请号：US18806980
申请日：2024-08-16
Applicant: LG ELECTRONICS INC.
Inventor： Eunjun CHO , Jihoon Jun , Woojoo Choi , Ilyoong Shin , Dongkeun Yang
Abstract: The receiver of the present disclosure includes: a housing having a space therein; an inflow pipe supplying a fluid to the housing; and an outflow pipe discharging the fluid stored in the housing to the outside, and the outflow pipe is inserted into the housing by a predetermined length or more, and a plurality of outflow holes are formed in the outflow pipe in a direction extending to the inside of the housing.
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公开(公告)号：US20230228469A1
公开(公告)日：2023-07-20
申请号：US18022873
申请日：2021-08-27
Applicant: LG ELECTRONICS INC.
Inventor： Daehyoung KIM , Yongcheol SA , Eunjun CHO , Junseong PARK
CPC classification number: F25B41/42 , F25B39/028 , B01D19/0042 , B01D19/0068 , F25B2400/0409 , F25B2400/23
Abstract: Disclosed is an air conditioner. The air conditioner of the present disclosure for achieving the above or other object, there is provided an air conditioner including: a compressor which compresses refrigerant; an accumulator which supplies refrigerant to the compressor; a condenser which condenses refrigerant discharged from the compressor; an expansion valve which expands refrigerant passing through the condenser; an evaporator which has a heat exchange pipe through which refrigerant passing through the expansion valve flows, and evaporates refrigerant flowing through the heat exchange pipe; a gas-liquid separation pipe which connects a first point and a second point located between one end and the other end of the heat exchange pipe; and a bypass pipe which has one end connected to the gas-liquid separation pipe and the other end connected to the accumulator, wherein the gas-liquid separation pipe comprises: a first part which has one end connected to the first point and the other end connected to one end of the bypass pipe; and a second part which extends from the first part at between one end and the other end of the first part, and is connected to the second point.
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公开(公告)号：US20210262709A1
公开(公告)日：2021-08-26
申请号：US17184156
申请日：2021-02-24
Applicant: LG ELECTRONICS INC.
Inventor： Jihyeong RYU , Eunjun CHO , Minsoo KIM , Youngmin LEE , Hojin SEO
Abstract: A heat pump may include a compressor configured to compress a refrigerant, a first temperature sensor configured to detect an outdoor temperature, a second temperature sensor provided in heating pipes connected to a heating device, and a controller. Based on a first sensing value of the first temperature sensor, the controller may be configured to control a compressor, control power to a boiler, and/or calculate an expected efficiency of the heat pump. Based on the expected efficiency and/or a second sensing value of a second temperature sensor, the controller may be configured to control power to the boiler.
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公开(公告)号：US20210131695A1
公开(公告)日：2021-05-06
申请号：US16962929
申请日：2019-01-18
Applicant: LG ELECTRONICS INC.
Inventor： Eunjun CHO , Yongcheol SA , Jiyoung JANG
Abstract: Provided is a multi-type air conditioner, including: an outdoor unit having a liquid pipe through which a liquid refrigerant flows, and a gas pipe through which a gas refrigerant flows; a plurality of indoor units comprising a first indoor unit and a second indoor unit each connected to the liquid pipe and the gas pipe to circulate a refrigerant; a gas pipe connecting tube connecting the gas pipe and the plurality of indoor units so that a gas refrigerant flows therethrough; and a liquid pipe connecting tube connecting the liquid pipe and the plurality of indoor units so that a liquid refrigerant flows therethrough. The first indoor unit may include: a first indoor heat exchanger comprising a first heat exchanger configured to perform heat exchange between indoor air and a refrigerant, and a second heat exchanger configured to perform heat exchange between indoor air and a refrigerant and arranged in a stacked fashion with the first heat exchanger; a first indoor fan configured to blow air to the first heat exchanger and the second heat exchanger; a first liquid branch pipe connecting the liquid pipe connecting tube and the first heat exchanger so that a refrigerant flows therethrough; a first gas branch pipe connecting the gas pipe connecting tube and the second heat exchanger so that a refrigerant flows therethrough; a first heat exchanger connecting pipe connected to the first heat exchanger so that a refrigerant flows therethrough; a second heat exchanger connecting pipe connected to the second heat exchanger so that a refrigerant flows therethrough; a return pipe having one side connected to the first gas branch pipe and the other side connected to the first heat exchanger connecting pipe and the second heat exchanger connecting pipe; a first indoor expansion valve disposed at the second heat exchanger connecting pipe, wherein an opening amount of the first indoor expansion valve is adjusted in response to an input signal from a controller to selectively expand a flowing refrigerant; and a first expansion valve disposed in the return pipe, wherein an opening amount of the first expansion valve is adjusted in response to an input signal from the controller to selectively expand a flowing refrigerant.
Since the multi-type air conditioner according to the present disclosure can operate the first heat exchanger as a condenser and the second heat exchanger as an evaporator among the indoor heat exchangers, it is possible to constantly operate the dehumidifying mode while maintaining a room temperature within a predetermined range.-
公开(公告)号：US20200318870A1
公开(公告)日：2020-10-08
申请号：US16837469
申请日：2020-04-01
Applicant: LG Electronics Inc.
Inventor： Eunjun CHO , Pilhyun YOON , Sungheon RYU , Kiwoong PARK , Jungmin PARK , Hyungyul YUM , Yejin KIM
Abstract: A heat exchanger includes heat exchange fins, refrigerant pipes are arranged across the heat exchange fins, and connecting pipes connected to the refrigerant pipes to thereby define refrigerant passages. The connecting pipes include a first pipe portion having a first end connected to one of the refrigerant pipes, a branch pipe portion that is branched from the first pipe portion, that extends parallel to the first pipe portion, and that is connected to another of the refrigerant passages, and a second pipe that is connected to the first pipe portion and that is configured to guide gas-phase refrigerant separated from the refrigerant in the first pipe portion. The second pipe includes an inner insert portion inserted into a second end of the first pipe portion and an outlet portion that extends from the inner insert portion in direction opposite to the second end of the first pipe portion.
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Patent Agency Ranking
公开(公告)号：US20160047581A1
公开(公告)日：2016-02-18
申请号：US14825489
申请日：2015-08-13
Applicant: LG ELECTRONICS INC.
Inventor： Eunjun CHO , Beomsoo SEO , Kiwoong PARK
IPC: F25B41/00
CPC classification number: F25B41/003 , F25B41/067 , F25B2400/0411 , F25B2400/06
Abstract: An air conditioner is provided that may include a heat exchanger including a plurality of refrigerant tubes, a distributor disposed at one side of the heat exchanger to divide a refrigerant into a plurality of flow paths, a plurality of capillary tubes that extends from the distributor toward the plurality of refrigerant tubes, and a bypass tube that extends from the plurality of refrigerant tubes. The bypass tube may allow the refrigerant to bypass the distributor, thereby guiding a flow of the refrigerant toward an outlet of the distributor.
Abstract translation: 提供一种空调机，其可以包括：热交换器，包括多个制冷剂管，分配器，设置在热交换器的一侧，将制冷剂分成多个流路;多个毛细管，从分配器向着 多个制冷剂管和从多个制冷剂管延伸的旁通管。 旁通管可以允许制冷剂绕过分配器，从而将制冷剂的流动引导到分配器的出口。
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17.发明公开公开(公告)号：US20240027077A1
公开(公告)日：2024-01-25
申请号：US18218791
申请日：2023-07-06
Applicant: LG ELECTRONICS INC.
Inventor： Yejin KIM , Eunjun CHO , Woojoo Choi , Jihyeong RYU , Dongkeun Yang
CPC classification number: F24D17/0005 , F24D19/1051 , F24D2200/31 , F24D2220/0242 , F24D2220/0271 , F24D2220/06
Abstract: A hybrid multi-air conditioning system and a method for controlling a hybrid multi-air conditioning system are provided. The hybrid multi-air conditioning system may include a hot water supply unit including a hot water supply heat exchanger that exchanges heat between refrigerant and water accommodated in a water tank and a first hot water supply expansion valve that blocks or allows refrigerant condensed in the hot water supply heat exchanger to flow through a first hot water supply discharge pipe; at least one indoor device installed indoors and including an indoor heat exchanger and at least one indoor expansion valve; an outdoor device connected to the at least one indoor device and the hot water supply unit through a refrigerant pipe and including an outdoor heat exchanger, a compressor, and an outdoor expansion valve; a second hot water supply discharge pipe having a first side branched from the first hot water supply discharge pipe, which connects the hot water supply heat exchanger and the indoor heat exchanger, and a second side that joins a first discharge pipe, which connects the compressor and the outdoor heat exchanger; and a second hot water supply expansion valve installed on the second hot water supply discharge pipe.
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公开(公告)号：US20230288105A1
公开(公告)日：2023-09-14
申请号：US18015569
申请日：2021-07-12
Applicant: LG ELECTRONICS INC.
Inventor： Jihyeong RYU , Eunjun CHO , Minsoo KIM , Youngmin LEE , Hojin SEO
CPC classification number: F25B25/005 , F24D3/1008 , F24D3/18 , F25B49/02 , F25B2500/24 , F25B2700/19
Abstract: The present disclosure relates to a heat pump and a control method thereof, and to a heat pump including an outdoor unit including a compressor for compressing a first refrigerant, a first outdoor heat exchanger for exchanging heat between the first refrigerant and outdoor air, an expansion mechanism for expanding the first refrigerant, and a second outdoor heat exchanger for exchanging heat between the first refrigerant and a second refrigerant; a first refrigerant pipe which connects the compressor, the first outdoor heat exchanger, and the expansion mechanism, and through which the first refrigerant flows; a pressure sensor disposed in the first refrigerant pipe; a second refrigerant pipe which is connected to the second outdoor heat exchanger, and through which the second refrigerant flows; an indoor heat exchanger which is disposed in the second refrigerant pipe, and exchanges heat between indoor air and the second refrigerant; and a controller configured to determine a supply of the second refrigerant by determining a flow rate of the second refrigerant based on surging occurred in a pressure of the first refrigerant measured by the pressure sensor, so that the flow rate of the second refrigerant flowing through the second refrigerant pipe is determined only by the pressure value of the first refrigerant measured by the pressure sensor disposed in the first pipe, thereby determining the flow rate of the second refrigerant without a separate flow sensor, and a control method thereof.
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公开(公告)号：US20230077481A1
公开(公告)日：2023-03-16
申请号：US17801956
申请日：2021-02-24
Applicant: LG ELECTRONICS INC.
Inventor： Seongho HONG , Eunjun CHO , Hojin SEO
IPC: F24F11/36
Abstract: A heat pump including a housing configured to be disposed outdoors; a compressor that compresses a refrigerant; a fluid refrigerant heat exchanger configured to perform heat exchange between the refrigerant and a fluid; an outdoor heat exchanger configured to perform heat exchange between the refrigerant and outdoor air; a pressure sensor configured to detect a pressure of the refrigerant flowing between the compressor and the fluid refrigerant heat exchanger; a first shut-off valve disposed in a pipe connected to a discharge of the compressor; a second shut-off valve disposed between the outdoor heat exchanger and the compressor; and a controller configured to: determine whether the refrigerant leaks, control the first shut-off valve to be closed, when the refrigerant leaks, and control the second shutoff valve to be closed, when the pressure sensed by the pressure sensor is less than a predetermined reference pressure.
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公开(公告)号：US20220404076A1
公开(公告)日：2022-12-22
申请号：US17836133
申请日：2022-06-09
Applicant: LG ELECTRONICS INC
Inventor： Eunjun CHO , Minsoo KIM , Hojin SEO , Dongkeun YANG
Abstract: A device is provided that may include a compressor configured to compress a refrigerant, a condenser configured to condense the compressed refrigerant, an expander configured to expand the refrigerant condensed by the condenser, an evaporator configured to evaporate the refrigerant expanded by the expander, a separation mechanism connected to an outlet pipe of the evaporator to separate liquid refrigerant and gaseous refrigerant discharged from the evaporator, a bypass pipe to guide the gaseous refrigerant separated from the liquid refrigerant to the compressor, a first pipe connected to the separation mechanism and through which the liquid refrigerant discharged from the separation mechanism flows, an accumulator connected to the first pipe to separate the gaseous refrigerant, which is not separated from the liquid refrigerant by the separation mechanism, from the liquid refrigerant and discharge the separated gaseous refrigerant, and a second pipe configured to guide the gaseous refrigerant discharged from the accumulator to the compressor.
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