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公开(公告)号：US10436487B2
公开(公告)日：2019-10-08
申请号：US14663598
申请日：2015-03-20
申请人： LG Electronics Inc.
发明人： Byoungjin Ryu , Younghwan Ko , Beomchan Kim
IPC分类号： F25B49/02
摘要： An air conditioner and a method for controlling an air conditioner are provided that efficiently inject a refrigerant into a compressor. The air conditioner may include a compressor to compress a refrigerant; a condenser to condense the refrigerant compressed at the compressor; an evaporator to evaporate the refrigerant condensed at the condenser; and an injection module to selectively or simultaneously inject some or a portion of the refrigerant flowing from the condenser to the evaporator into a high pressure side and a low pressure side of the compressor.
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公开(公告)号：US10184472B2
公开(公告)日：2019-01-22
申请号：US14988105
申请日：2016-01-05
申请人： LG ELECTRONICS INC.
发明人： Byoungjin Ryu , Younghwan Ko , Byeongsu Kim , Beomchan Kim , Baikyoung Chung
摘要： A scroll compressor and an air conditioner including a scroll compressor are provided. The scroll compressor may include a main frame configured to support an upper portion of a rotating shaft; a fixed scroll coupled to the main frame and having a first wrap; an orbiting scroll provided to perform an orbiting motion with respect to the fixed scroll and having a second wrap which forms a plurality of compressions chamber between the first wrap and the second wrap; a suction port configured to enable a first refrigerant to be suctioned into the compression chamber; a first introduction port provided at a first side of the fixed scroll and configured to inject the first refrigerant into the plurality of compression chambers; a second introduction port provided at a second side of the fixed scroll and configured to inject a second refrigerant having a pressure different from a pressure of the first refrigerant into the plurality of compression chambers; and a third introduction port provided at a third side of the fixed scroll and configured to inject a third refrigerant having a pressure different from the pressure of the first refrigerant and the second refrigerant into the compression chamber. The first introduction port may be provided at a position at which injecting of the refrigerant through the first introduction port is able to be performed before suctioning of the refrigerant through the suction port is completed.
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公开(公告)号：US20230250976A1
公开(公告)日：2023-08-10
申请号：US18106575
申请日：2023-02-07
申请人： LG ELECTRONICS INC.
发明人： Jusu Kim , Sungoh Choi , Beomchan Kim , Youngheon Kwon , Yeoji Jung , Dongkeun Yang
摘要： An air conditioner is provided that may include a case having a supply flow path formed therein and through which outside air flows into an interior space, a first heat exchanger disposed on the supply flow path, in which refrigerant flows, and that exchanges heat between the air and the refrigerant, a second heat exchanger disposed downstream of the second heat exchanger on the supply flow path, in which refrigerant selectively flows, and that exchanges heat between the air and the refrigerant, and a refrigerant distributer configured to send the refrigerant to the first heat exchanger or the second heat exchanger.
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公开(公告)号：US11280551B2
公开(公告)日：2022-03-22
申请号：US15260914
申请日：2016-09-09
申请人： LG ELECTRONICS INC.
发明人： Beomchan Kim , Byoungjin Ryu , Taeman Yang , Choonmyun Chung
摘要： A micro channel type heat exchanger in which a first heat exchange module and a second heat exchange module are stacked, the micro channel type heat exchanger including a plurality of flat tubes disposed within the first heat exchange module and the second heat exchange module, and a heat blocking member configured to form a heat blocking space by separating the first heat exchange module and the second heat exchange module, wherein the heat blocking member forms a heat blocking space between the first heat exchange module and the second heat exchange module that minimizes heat conductivity and improves thermal exchange performance of the heat exchanger.
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公开(公告)号：US10670343B2
公开(公告)日：2020-06-02
申请号：US15258200
申请日：2016-09-07
申请人： LG ELECTRONICS INC.
发明人： Beomchan Kim , Byoungjin Ryu , Taeman Yang , Choonmyun Chung
摘要： A micro channel type heat exchanger having a first pass disposed in some flat tubes located in a first heat exchange module and along which a refrigerant flows in one direction, a second pass disposed in some of the remaining flat tubes located in the first heat exchange module and along which the refrigerant supplied from the first pass flows in an opposite direction to that of the first pass, a third pass distributed and located in the remainder of flat tubes located in the first heat exchange module other than the first pass and the second pass and in some flat tubes located in a second heat exchange module, and a fourth pass disposed in the remainder of the flat tubes located in the second heat exchange module and along which a refrigerant supplied from the third pass flows in an opposite direction to a direction of the third pass.
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公开(公告)号：US09797658B2
公开(公告)日：2017-10-24
申请号：US14792036
申请日：2015-07-06
申请人： LG ELECTRONICS INC.
发明人： Beomchan Kim , Byoungjin Ryu , Byeongsu Kim
CPC分类号： F28D7/16 , F25B13/00 , F25B2400/13 , F28D7/10 , F28F9/013 , F28F2265/30
摘要： Provided are a supercooler and an air conditioner including the same. The supercooler disposed between a condenser and an evaporator of an air conditioner to supercool a refrigerant condensed in the condenser, thereby allowing the supercooled refrigerant to flow into the evaporator includes an inner tube in which a first refrigerant passing through the condenser flows, an outer tube having an inner space in which the inner tube is disposed, the outer tube allowing a second refrigerant heat-exchanged with the first refrigerant to flow by using the inner tube as a boundary, and a baffle supporting the inner tube to prevent the inner tube from being shaken within the outer tube.
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公开(公告)号：US11971189B2
公开(公告)日：2024-04-30
申请号：US17550082
申请日：2021-12-14
申请人： LG ELECTRONICS INC.
发明人： Beomchan Kim , Jusu Kim , Eunseong Pack , Yeongpin Chu , Janghoon Shin , Jaeik Jang
IPC分类号： F24F12/00 , F24F1/0035 , F24F1/0083 , F24F3/14 , F24F3/153 , F24F13/22 , F24F13/30
CPC分类号： F24F12/00 , F24F1/0035 , F24F1/0083 , F24F3/1405 , F24F3/153 , F24F13/222 , F24F13/30 , F24F2003/1452
摘要： An air conditioner may include an outdoor unit including a compressor and an outdoor heat exchanger configured to heat exchange compressed refrigerant; an indoor unit having an air inlet and an air outlet and connected with the outdoor unit through a first pipe through which refrigerant discharged from the compressor flows and a second pipe through which refrigerant discharged from the outdoor heat exchanger flows; a blowing fan disposed in the indoor unit; a main heat exchanger configured to heat exchange air, which flows inside through the air inlet, and connected with the second pipe; a reheat exchanger disposed downstream of the main heat exchanger and connected with the first pipe; and a waste heat exchanger disposed upstream of the main heat exchanger and configured to heat-exchange air, which flows inside through the air inlet, and condensate water, which is produced at the main heat exchanger, with each other. Accordingly, air flowing inside through the air inlet is primarily cooled before exchanging heat through the main heat exchanger, whereby the cooling and dehumidifying performance is improved.
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8.发明授权公开(公告)号：US10197325B2
公开(公告)日：2019-02-05
申请号：US14662494
申请日：2015-03-19
申请人： LG Electronics Inc.
发明人： Beomchan Kim , Younghwan Ko , Byeongsu Kim
摘要： An air conditioner and a method for controlling an air conditioner are provided that inject a refrigerant into a compressor to perform a defrosting operation. The air conditioner may include a compressor; an outdoor heat exchanger; an indoor heat exchanger; a first injection module that injects a refrigerant flowing from the indoor heat exchanger to the outdoor heat exchanger into the compressor during a heating operation and that does not inject a refrigerant flowing from the outdoor heat exchanger to the indoor heat exchanger into the compressor during a defrosting operation; and a second injection module that injects a refrigerant flowing from the indoor heat exchanger to the outdoor heat exchanger into the compressor during the heating operation and that injects a refrigerant flowing from the outdoor heat exchanger to the indoor heat exchanger into the compressor during the defrosting operation.
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公开(公告)号：US09989281B2
公开(公告)日：2018-06-05
申请号：US14247579
申请日：2014-04-08
申请人： LG ELECTRONICS INC.
发明人： Byeongsu Kim , Beomchan Kim , Younghwan Ko , Byoungjin Ryu
CPC分类号： F25B13/00 , F25B30/02 , F25B41/04 , F25B2313/005 , F25B2313/02741 , F25B2313/0314 , F25B2313/0315 , F25B2400/13 , F25B2600/2509 , F25B2700/21151 , F25B2700/21152
摘要： An air conditioner includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, a converting unit, a first injection module, and a second injection module. The first injection module injects a portion of refrigerant flowing from the indoor heat exchanger to the outdoor heat exchanger to the compressor in a heating operation and supercools refrigerant flowing from the outdoor heat exchanger to the indoor heat exchanger in a cooling operation. The second injection module injects a portion of refrigerant flowing from the indoor heat exchanger to the outdoor heat exchanger to the compressor in the heating operation and injects refrigerant flowing from the outdoor heat exchanger to the indoor heat exchanger to the compressor in the cooling operation.
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公开(公告)号：US09746210B2
公开(公告)日：2017-08-29
申请号：US14825935
申请日：2015-08-13
申请人： LG ELECTRONICS INC.
发明人： Younghwan Ko , Byeongsu Kim , Beomchan Kim
CPC分类号： F25B1/10 , F25B40/02 , F25B41/04 , F25B43/00 , F25B2341/0662 , F25B2400/0401 , F25B2400/075 , F25B2400/13 , F25B2600/2501 , F25B2600/2509 , F25B2600/2513
摘要： An air conditioner and a method of controlling the same are provided. The air conditioner includes first and second compressors capable of performing multi-stage compression, a condenser for condensing a refrigerant compressed in the first and second compressors, a refrigerant separation device for separating the refrigerant to be injected to the first or second compressor of the refrigerant condensed in the condenser, injection tubes extending from the refrigerant separation device to the first and second compressors to guide injection of the refrigerant, a main expansion device disposed at an outlet-side of the refrigerant separation device to decompress the refrigerant, an evaporator for evaporating the refrigerant decompressed in the main expansion device, a valve device disposed at an outlet-side of the first compressor to guide the refrigerant compressed in the first compressor to the condenser or the second compressor, and a bypass tube extending from the valve device to an suction-side of the second compressor.
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