公开(公告)号：US20250155207A1

公开(公告)日：2025-05-15

申请号：US18835857

申请日：2023-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Subeen SHIN ,  Younghwan KO ,  Hae Seung LEE ,  Yeongpin CHU

IPC: F28F13/18 ,  F28F19/04

Abstract: The present disclosure relates to a complex coating film, and a fin and tube type heat exchanger and a microchannel type heat exchanger comprising the same. The complex coating film in the present disclosure comprises a metallic material; a first coating layer being formed on the metallic material; and a second coating layer being formed on the first coating layer, wherein the first coating layer comprises 10-40 wt % of a first hydrophilic resin, 1-20 wt % of a metal compound, 5-20 wt % of an amide-based cross linker, 1-15 wt % of a silane compound and water as a remaining component, and the second coating layer comprises 1-20 wt % of a second hydrophilic resin, 1-20 wt % of a silica particle, 0.01-5 wt % of a cross linker, 0.1-5 wt % of a solvent, and water as a remaining component, providing long-lasting corrosion resistance and hydrophilicity to the complex coating film.

公开(公告)号：US20150267954A1

公开(公告)日：2015-09-24

申请号：US14663598

申请日：2015-03-20

Applicant: LG Electronics Inc.

Inventor： Byoungjin RYU ,  Younghwan KO ,  Beomchan KIM

IPC: F25B49/02 ,  F25B41/04 ,  F25B31/00

CPC classification number: F25B49/02 ,  F25B2500/19 ,  F25B2600/0253 ,  F25B2600/2509 ,  F25B2600/2513 ,  F25B2700/1931 ,  F25B2700/195 ,  F25B2700/197 ,  F25B2700/21152 ,  F25B2700/2116 ,  F25B2700/2117 ,  Y02B30/741

Abstract: 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.

Abstract translation: 提供了一种有效地将制冷剂注入压缩机的空调和空调控制方法。 空调机可以包括压缩机以压缩制冷剂; 用于冷凝在压缩机处被压缩的制冷剂的冷凝器; 用于蒸发在冷凝器处冷凝的制冷剂的蒸发器; 以及喷射模块，用于选择性地或同时地将从冷凝器流向蒸发器的一部分或一部分制冷剂喷射到压缩机的高压侧和低压侧。

公开(公告)号：US20250035390A1

公开(公告)日：2025-01-30

申请号：US18783257

申请日：2024-07-24

Applicant: LG ELECTRONICS INC.

Inventor： Donghyun SEO ,  Younghwan KO ,  Yeol LEE ,  Minsoo KIM ,  Hyeok-jin YOON

IPC: F28F19/04 ,  C09D5/08 ,  C09D133/08

Abstract: A coating composition, a coating film, and a micro-channel type heat exchanger using the same are disclosed herein. The coating composition contains a hydrophilic resin at 10 to 40% by weight; a metal compound at 1 to 10% by weight; an amide-based crosslinking agent at 0.5 to 5% by weight; a phosphoric acid-based compound at 1 to 5% by weight; a preservative at 0.1 to 3% by weight; and water as a remainder. Thus, the coating composition provides a coating film that has both long-term corrosion resistance and long-term hydrophilicity.

公开(公告)号：US20160201954A1

公开(公告)日：2016-07-14

申请号：US14992618

申请日：2016-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Byoungjin RYU ,  Younghwan KO ,  Byeongsu KIM ,  Beomchan KIM ,  Baikyoung CHUNG

IPC: F25B30/02 ,  F25B41/04 ,  F25B31/02

CPC classification number: F25B30/02 ,  F25B1/04 ,  F25B1/10 ,  F25B13/00 ,  F25B31/026 ,  F25B41/043 ,  F25B41/046 ,  F25B2313/02741 ,  F25B2400/13 ,  F25B2600/2509

Abstract: An air conditioner is provided. The air conditioner includes a compressor having a suction unit and a plurality of injection inlets, an inside heat exchanger into which refrigerant compressed in the compressor is introduced during a heating operation, an outside heat exchanger into which refrigerant compressed in the compressor is introduced during a cooling operation, a plurality of refrigerant separation devices through which refrigerant condensed in the inside heat exchanger or the outside heat exchanger pass, a plurality of injection flow paths which extends from the three refrigerant separation devices to the plurality of injection inlets, and a bypass flow path which extends from any one injection flow path among the plurality of injection flow paths to the suction unit of the compressor.

Abstract translation: 提供空调。 空调机包括具有吸入单元和多个注入口的压缩机，内部热交换器，在制热运转期间将在压缩机中被压缩的制冷剂引入的内部热交换器，在压缩机中被压缩的制冷剂在其内引入的外部热交换器 在内部热交换器或外部热交换器中冷凝的制冷剂通过的多个制冷剂分离装置，从三个制冷剂分离装置延伸到多个注入口的多个喷射流路，以及旁通流 从多个喷射流路中的任一个喷射流路延伸到压缩机的抽吸单元的路径。

公开(公告)号：US20160047576A1

公开(公告)日：2016-02-18

申请号：US14825935

申请日：2015-08-13

Applicant: LG ELECTRONICS INC.

Inventor： Younghwan KO ,  Byeongsu KIM ,  Beomchan KIM

IPC: F25B1/10 ,  F25B43/00 ,  F25B40/02

CPC classification number: F25B1/10 ,  F25B40/02 ,  F25B41/04 ,  F25B43/00 ,  F25B2341/0662 ,  F25B2400/0401 ,  F25B2400/075 ,  F25B2400/13 ,  F25B2600/2501 ,  F25B2600/2509 ,  F25B2600/2513

Abstract: 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.

Abstract translation: 提供一种空调及其控制方法。 空调机包括能够执行多级压缩的第一和第二压缩机，用于冷凝在第一和第二压缩机中被压缩的制冷剂的冷凝器，用于将待喷射的制冷剂分离到制冷剂的第一或第二压缩机的制冷剂分离装置 在冷凝器中冷凝的注入管从制冷剂分离装置延伸到第一和第二压缩机以引导制冷剂的注入，主膨胀装置设置在制冷剂分离装置的出口侧以使制冷剂减压，蒸发器用于蒸发 在主膨胀装置中减压的制冷剂，设置在第一压缩机的出口侧的阀装置，将在第一压缩机中压缩的制冷剂引导到冷凝器或第二压缩机;以及旁通管，其从阀装置延伸到 第二压缩机的吸入侧。

公开(公告)号：US20140305150A1

公开(公告)日：2014-10-16

申请号：US14247579

申请日：2014-04-08

Applicant: LG ELECTRONICS INC.

Inventor： Byeongsu KIM ,  Beomchan KIM ,  Younghwan KO ,  Byoungjin RYU

IPC: F25B13/00 ,  F25B30/02

CPC classification number: F25B13/00 ,  F25B30/02 ,  F25B41/04 ,  F25B2313/005 ,  F25B2313/02741 ,  F25B2313/0314 ,  F25B2313/0315 ,  F25B2400/13 ,  F25B2600/2509 ,  F25B2700/21151 ,  F25B2700/21152

Abstract: 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.

Abstract translation: 空调机包括压缩机，室外热交换器，室内热交换器，转换单元，第一喷射模块和第二喷射模块。 第一注入模块在制热运转中将从室内热交换器流向室外热交换器的一部分制冷剂喷射到压缩机，在制冷运转中将从室外热交换器流出的制冷剂从制冷剂流入室内热交换器。 第二注入模块在制热运转中将从室内热交换器流向室外热交换器的一部分制冷剂喷射到压缩机，在制冷运转时将从室外热交换器流入的制冷剂喷射到室内热交换器。