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公开(公告)号：US11850543B2
公开(公告)日：2023-12-26
申请号：US16999514
申请日：2020-08-21
Applicant: LG Electronics Inc.
Inventor： Hyoungsuk Woo , Dongkeun Yang , Hyungsoon Kim
IPC: B01D53/04 , B01D53/48 , H01M8/0662 , C10L3/10 , H01M8/04044
CPC classification number: B01D53/0423 , B01D53/0446 , B01D53/48 , C10L3/103 , H01M8/0675 , B01D2256/24 , B01D2257/30 , B01D2259/45 , H01M8/04044
Abstract: Disclosed is a desulfurizer of a fuel cell. The desulfurizer includes a pipe extended long and having one side that is open and the other side that is closed; a cap coupled to one side of the pipe and closing the pipe; a plurality of baffles installed in an inner space of the pipe and sequentially partitioning the inner space in a direction crossing a length direction of the pipe; an inflow pipe penetrating through the cap and the plurality of baffles and communicating from the outside of the pipe to the inner space of the pipe; and an outflow pipe installed in the cap and communicating the outside of the pipe and the inner space of the pipe.
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公开(公告)号：US10483570B2
公开(公告)日：2019-11-19
申请号：US15607131
申请日：2017-05-26
Applicant: LG ELECTRONICS INC.
Inventor： Choonjae Ryu , Dongkeun Yang , Hyoungsuk Woo
IPC: H01M8/04 , H01M8/04746 , H01M8/04082 , H01M8/04186 , H01M8/04089 , H01M8/0432 , H01M8/04537 , H01M8/04119
Abstract: A fuel cell has a stack that includes a fuel electrode and air electrode on opposite sides of an electrolyte membrane. The fuel electrode includes first and second fuel ports communicative via a fuel flow path, and the air electrode includes first and second air ports communicative via an air flow path. The fuel cell also includes first and second fuel feeders communicative with the first and second fuel ports, and first and second air feeders communicative with the first and second air ports. The fuel cell also includes a fuel switching unit between the first and second fuel feeders that switches a fuel supply direction between the first and second fuel feeders. The fuel cell further includes an air switching unit between the first and second air feeders that switches an air supply direction between the first and second air feeders.
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公开(公告)号：US10422560B2
公开(公告)日：2019-09-24
申请号：US15442130
申请日：2017-02-24
Applicant: LG ELECTRONICS INC.
Inventor： Hansaem Park , Soojin Kang , Dongkeun Yang
IPC: F25B41/00
Abstract: An ejector and a refrigeration cycle apparatus having an ejector are provided. The ejector may include an ejector body having a suction portion into which a high pressure refrigerant and a low pressure refrigerant may be suctioned, and having a mixing portion provided at one side of the suction portion and configured to mix the high pressure refrigerant with the low pressure refrigerant; a nozzle movably provided in the suction portion, and configured to inject the high pressure refrigerant; a needle inserted into an end of the nozzle and configured to control a flow sectional area of the nozzle; and a nozzle drive configured to drive the nozzle so as to be relatively movable with respect to the mixing portion and the needle. As a flow sectional area of a high pressure refrigerant passage and a flow sectional area of a low pressure refrigerant passage are controlled, a driving efficiency of the ejector may be enhanced.
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公开(公告)号：US20140314575A1
公开(公告)日：2014-10-23
申请号：US14145180
申请日：2013-12-31
Applicant: LG Electronics Inc.
Inventor： Namjoon Cho , Dongkeun Yang , Youngmin Park
IPC: F04D29/22
CPC classification number: F04D29/281 , F04D29/282 , F04D29/30 , F04D29/666 , F04D29/681 , F05D2240/304
Abstract: Provided is a turbo fan. The turbo fan includes a main plate rotating by a fan motor providing power and a plurality of blades having one ends connected to the main plate, the plurality of blades being disposed along a circumferential direction on the main plate. Each of the plurality of blades includes a first curved part curved in one direction with respect to an extension part and a second curved part curved in the other direction with respect to the extension part. A plurality of projections protruding in one direction from the one end of the blade and a plurality of grooves protruding in the other direction are alternately disposed on the first and second curved parts. Alternatively, the turbo fan includes a main plate rotating by a fan motor providing power, a rotation shaft providing a rotation center of the main plate, a plurality of blades having a blade front end disposed adjacent to the rotation shaft and a blade rear end disposed spaced from the rotation shaft, the plurality of blades being disposed in a circumferential direction on the main plate, and an extension part defined as a virtual line straightly extending from an upper portion of the blade rear end to a lower portion of the blade rear end. Each of the blades includes a first curved part curved in one direction with respect to the extension part, a second curved part curved in the other direction with respect to the extension part, a first flow part defined as a space between the extension part and the first curved part, and a second flow part defined as a space between the extension part and the second curved part.
Abstract translation: 提供涡轮风扇。 涡轮风扇包括由提供动力的风扇电动机旋转的主板和具有连接到主板的一端的多个叶片，多个叶片沿主体板的圆周方向设置。 多个叶片中的每一个包括相对于延伸部在一个方向上弯曲的第一弯曲部分和相对于延伸部分沿另一个方向弯曲的第二弯曲部分。 从刀片的一端向一个方向突出的多个突起和沿另一个方向突出的多个槽交替设置在第一和第二弯曲部分上。 或者，涡轮风扇包括由提供动力的风扇电动机旋转的主板，提供主板的旋转中心的旋转轴，具有邻近旋转轴设置的叶片前端的多个叶片，以及设置在叶片后端的多个叶片 与旋转轴间隔开，多个叶片在主板上沿圆周方向设置，并且延伸部被限定为从叶片后端的上部到叶片后端的下部直线地延伸的虚拟线 。 每个叶片包括相对于延伸部分在一个方向上弯曲的第一弯曲部分，相对于延伸部分在另一个方向上弯曲的第二弯曲部分，被定义为延伸部分和延伸部分之间的空间的第一流动部分 第一弯曲部分和被限定为延伸部分和第二弯曲部分之间的空间的第二流动部分。
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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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Patent Agency Ranking
公开(公告)号：US20240081031A1
公开(公告)日：2024-03-07
申请号：US18242174
申请日：2023-09-05
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Dongkeun Yang , Hyoungsuk Woo
IPC: H05K7/20 , H01M10/42 , H01M10/613 , H01M10/6568 , H02J7/00
CPC classification number: H05K7/20927 , H01M10/425 , H01M10/613 , H01M10/6568 , H02J7/0013 , H05K7/20254 , H05K7/20263 , H02J2207/20
Abstract: An energy storage apparatus may include: a battery pack having a plurality of battery cells; a power converter to charge or discharge the plurality of battery cells; a pump that supplies cooling water to the battery pack or the power converter; and a heat radiator that releases heat from cooling water flowing in the battery pack or the power converter. The power converter may include: a printed circuit board; a plurality of heating elements disposed on one side of the printed circuit board; and a cooling device placed in contact with the plurality of heating elements, and having at least one flow path formed therein for flow of the cooling water.
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公开(公告)号：US10345018B2
公开(公告)日：2019-07-09
申请号：US15447585
申请日：2017-03-02
Applicant: LG ELECTRONICS INC.
Inventor： Kangwook Lee , Dongkeun Yang , Choonjae Ryu
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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公开(公告)号：US10302091B2
公开(公告)日：2019-05-28
申请号：US15238379
申请日：2016-08-16
Applicant: LG ELECTRONICS INC.
Inventor： Namjoon Cho , Kamgyu Lee , Dongkeun Yang , Baikyoung Chung
Abstract: An air blower including a convex part protruding away from the rotation axis of an impeller. When arbitrary cross-sectional surfaces are provided by cutting the convex part in a parallel direction with the rotation axis, each point of the inner circumferential surface of the convex part, which has a maximum distance from the rotation axis, leans toward a first plate of the first and second plates, at which inlets are formed.
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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
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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