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公开(公告)号：US11988424B2
公开(公告)日：2024-05-21
申请号：US17836133
申请日：2022-06-09
Applicant: LG ELECTRONICS INC.
Inventor： Eunjun Cho , Minsoo Kim , Hojin Seo , Dongkeun Yang
CPC classification number: F25B43/006 , F25B41/40 , F25B2400/04 , F25B2400/23 , F25B2500/26 , F25B2600/2501
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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12.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：US10968921B2
公开(公告)日：2021-04-06
申请号：US15260659
申请日：2016-09-09
Applicant: LG ELECTRONICS INC.
Inventor： Namjoon Cho , Dongkeun Yang , Hyoungsuk Woo
Abstract: A blower fan for preventing noise generated from blades and a peripheral interference object is provided, the blower fan including a cylindrical hub, a plurality of blades disposed to be spaced apart an asymmetric distance from one another about the hub, and a balancer connected to the hub to balance the blades.
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公开(公告)号：US09335059B2
公开(公告)日：2016-05-10
申请号：US14049653
申请日：2013-10-09
Applicant: LG Electronics Inc.
Inventor： Namjoon Cho , Kyungrock Kim , Dongkeun Yang
CPC classification number: F24F1/0007 , F04D25/0653 , F04D25/082 , F04D25/12 , F24F1/0022 , F24F2001/0037
Abstract: A ceiling type air conditioner includes a case defining an outer appearance, a fan disposed to a bottom of the case, a turbo fan disposed within the case, the turbo fan including a main plate rotated by power provided from the fan motor and a blade having a side connected to the main plate, and a heat exchanger disposed outside the turbo fan. A cooling passage cooling the fan motor is defined between the main plate and the bottom surface of the case. The cooling passage includes a flow part through which air passing through the blade flows into the flow part toward the fan motor, and a panel installation part to which a panel is installed for adjusting an amount of air flowing into the flow part toward the fan motor.
Abstract translation: 顶棚型空调器包括限定外观的壳体，设置在壳体的底部的风扇，设置在壳体内的涡轮风扇，涡轮风扇包括通过从风扇电动机提供的动力而旋转的主板，以及具有 连接到主板的一侧和设置在涡轮风扇外部的热交换器。 冷却风扇马达的冷却通道被限定在主板和壳体的底面之间。 冷却通道包括流过叶片的空气通过其流向风扇马达的流动部分的流动部分和安装面板的面板安装部分，用于调节流向风扇马达的流动部分的空气量 。
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公开(公告)号：US20140234138A1
公开(公告)日：2014-08-21
申请号：US14049653
申请日：2013-10-09
Applicant: LG Electronics Inc.
Inventor： Namjoon Cho , Kyungrock Kim , Dongkeun Yang
IPC: F04D25/08
CPC classification number: F24F1/0007 , F04D25/0653 , F04D25/082 , F04D25/12 , F24F1/0022 , F24F2001/0037
Abstract: A ceiling type air conditioner includes a case defining an outer appearance, a fan disposed to a bottom of the case, a turbo fan disposed within the case, the turbo fan including a main plate rotated by power provided from the fan motor and a blade having a side connected to the main plate, and a heat exchanger disposed outside the turbo fan. A cooling passage cooling the fan motor is defined between the main plate and the bottom surface of the case. The cooling passage includes a flow part through which air passing through the blade flows into the flow part toward the fan motor, and a panel installation part to which a panel is installed for adjusting an amount of air flowing into the flow part toward the fan motor.
Abstract translation: 顶棚型空调器包括限定外观的壳体，设置在壳体的底部的风扇，设置在壳体内的涡轮风扇，涡轮风扇包括通过从风扇电动机提供的动力而旋转的主板，以及具有 连接到主板的一侧和设置在涡轮风扇外部的热交换器。 冷却风扇马达的冷却通道被限定在主板和壳体的底面之间。 冷却通道包括流过叶片的空气通过其流向风扇马达的流动部分的流动部分和安装面板的面板安装部分，用于调节流向风扇马达的流动部分的空气量 。
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Patent Agency Ranking
公开(公告)号：US20230250976A1
公开(公告)日：2023-08-10
申请号：US18106575
申请日：2023-02-07
Applicant: LG ELECTRONICS INC.
Inventor： Jusu Kim , Sungoh Choi , Beomchan Kim , Youngheon Kwon , Yeoji Jung , Dongkeun Yang
Abstract: 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：US11342575B2
公开(公告)日：2022-05-24
申请号：US16999503
申请日：2020-08-21
Applicant: LG Electronics Inc.
Inventor： Hyoungsuk Woo , Dongkeun Yang , Jaeyoung Won
IPC: H01M8/2483 , H01M8/0267
Abstract: A fuel cell stack includes a first stack including a plurality of first fuel cells stacked on each other, and a second stack including a plurality of second fuel cells stacked on each other and disposed on one side of the first stack. Each of the first stack and the second stack includes a fuel inlet hole, through which fuel to be supplied to anodes of the respective first and second fuel cells is introduced, a fuel discharge hole, through which the fuel passing through the anodes is discharged, an air inlet hole, through which air to be supplied to cathodes of the respective first and second fuel cells is introduced, and an air discharge hole, through which the air passing through the cathodes is discharged. The fuel cell stack divided into the two stacks increases a charging ratio of hydrogen at the anodes of the respective stacks.
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公开(公告)号：US10132328B2
公开(公告)日：2018-11-20
申请号：US15246178
申请日：2016-08-24
Applicant: LG ELECTRONICS INC.
Inventor： Namjoon Cho , Kamgyu Lee , Dongkeun Yang , Baikyoung Chung
Abstract: A centrifugal fan including first blades and second blades disposed at both sides of a main plate, respectively, and a first convex part and a second convex part formed at a fan housing to correspond to the first blades and the second blades, respectively, wherein an airflow generated by the first blades and an airflow generated by the second blades are guided to be divided into the first convex part and the second convex part, respectively.
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公开(公告)号：US10107507B2
公开(公告)日：2018-10-23
申请号：US15070890
申请日：2016-03-15
Applicant: LG ELECTRONICS INC.
Inventor： Namjoon Cho , Dongkeun Yang , Hyoungsuk Woo
Abstract: The present disclosure relates to an outdoor unit of an air conditioner, the outdoor unit including a case forming a front surface and a rear surface and an exterior of a circumferential surface between the front surface and the rear surface and divided into a mechanical room and a heat exchange space by a barrier, a blower fan disposed in the heat exchange space to suction in air in an axial direction and discharge air in a circumferential direction, an outdoor heat exchanger disposed in the heat exchange space, an orifice member disposed to divide the blower fan and the outdoor heat exchanger and guide heat exchanged air toward the blower fan, and discharge grilles formed at a portion of the circumferential surface including an upper surface of the case and having outlets to allow the heat-exchanged air to be discharged in the circumferential direction.
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公开(公告)号：US20180120004A1
公开(公告)日：2018-05-03
申请号：US15447585
申请日：2017-03-02
Applicant: LG ELECTRONICS INC.
Inventor： Kangwook Lee , Dongkeun Yang , Choonjae Ryu
IPC: F25B41/00
CPC classification number: F25B41/00 , B60H2001/3298 , F04F5/00 , F04F5/44 , F04F5/46 , F04F5/461 , F04F5/463 , F05D2260/601 , F25B9/08 , F25B2341/00 , F25B2341/001 , F25B2341/0012 , F25B2341/0013 , F25B2400/23 , F25B2600/02
Abstract: An ejector and a refrigeration cycle apparatus having an ejector are provided. The ejector may include an ejector body having an accommodation space therein, a suction portion through which a high pressure refrigerant and a low pressure refrigerant may be suctioned into the accommodation space, and a mixing portion configured to mix the high pressure refrigerant with the low pressure refrigerant; a nozzle provided in the ejector body, having a nozzle neck and an expansion portion, and configured to inject the high pressure refrigerant into the mixing portion; a first needle moveably provided at the expansion portion, and configured to control a flow sectional area of the expansion portion; a second needle moveably provided at the nozzle neck, and configured to control a flow sectional area of the nozzle neck; a first needle drive configured to drive the first needle; and a second needle drive configured to drive the second needle. With such a configuration, the flow sectional area of the nozzle neck and the flow sectional area of the expansion portion may be independently controlled in correspondence to a drive condition.
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