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公开(公告)号：US20220349658A1
公开(公告)日：2022-11-03
申请号：US17621450
申请日：2020-07-09
申请人： LG ELECTRONICS INC.
发明人： Jiwon CHOI , Sukyoung LEE , Hanchoon LEE
摘要： A heat exchanger according to an embodiment of the present disclosure includes a housing, a gas inflow pipe configured to flow exhaust gas in the housing and a gas exhaust pipe configured to discharge the exhaust gas to the outside of the housing, a cooling water inflow pipe configured to flow cooling water in the housing and a cooling water outflow pipe configured to flow out the cooling water heat-exchanged with the exhaust gas to the outside of the housing, a plurality of tubes extending in the housing in the longitudinal direction of the housing and through which the cooling water flowing therein through the cooling water inflow pipe flows, and a plurality of baffles which are installed in the housing to insert the plurality of tubes thereinto and which are spaced apart from each other by a predetermined distance and are disposed, in which the baffle may be a first curved part configured to extend to be rounded with a first curvature, a first straight part configured to extend linearly from one end part of the first curved part, a second straight part configured to extend linearly from the other end part of the first curved part, and a second curved part positioned between the first and second straight parts and configured to extend to be rounded with a second curvature, and the first straight part and the second straight part may be formed in a direction crossing each other.
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公开(公告)号：US20240230237A1
公开(公告)日：2024-07-11
申请号：US18405863
申请日：2024-01-05
申请人： LG Electronics Inc.
发明人： Jiwon CHOI , Yohan LEE , Taegyun PARK
CPC分类号： F28D1/05391 , F28F1/32 , F28D2021/0068
摘要： A heat exchanger includes a main heat exchanger configured to perform heat exchange between refrigerant and air and to define a first heat exchange surface and an auxiliary heat exchanger configured to perform heat exchange between refrigerant discharged from the main heat exchanger and air and to define a second heat exchange surface. The first heat exchange surface has an area larger than the area of the second heat exchange surface.
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公开(公告)号：US20220082338A1
公开(公告)日：2022-03-17
申请号：US17425009
申请日：2020-01-28
申请人： LG ELECTRONICS INC.
发明人： Jiwon CHOI , Hongseong KIM , Yohan LEE , Hanchoon LEE
摘要： A heat transfer pipe includes an outer pipe having a space therein and extending a first direction, a core disposed in the space inside the outer pipe, defining a refrigerant flow space through which a refrigerant flows between an inner surface of the outer pipe and the core, and extending in the first direction, and a resistor disposed in the refrigerant flow space and having a spiral shape with a central axis disposed to be parallel to the first direction.
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公开(公告)号：US20210018277A1
公开(公告)日：2021-01-21
申请号：US16979768
申请日：2019-03-27
申请人： LG ELECTRONICS INC.
发明人： Eungyul LEE , Juhyok KIM , Jiwon CHOI , Sanghoon YOO , Hanchoon LEE
摘要： The present disclosure relates to a plate-type heat exchanger and a method for manufacturing same. A plate-type heat exchanger according to an embodiment of the present disclosure comprises a first plate and a second plate which have flange parts vertically adhered by an adhesive, respectively, wherein the flange parts are formed in a stepped shape and can thus increase the area adhered to the first plate and the second plate.
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公开(公告)号：US20210131749A1
公开(公告)日：2021-05-06
申请号：US16480855
申请日：2018-01-25
申请人： LG Electronics Inc.
发明人： Taegyun PARK , Juhyok KIM , Eungyul LEE , Jiwon CHOI
摘要： A heat exchanger for a refrigerator, which is of a microchannel type, includes a first heat exchange unit including a plurality of flat tubes, which serves to exchange heat between refrigerant and are connected to an introduction pipe, a second heat exchange unit including a plurality of flat tubes, which serve to exchange heat between the refrigerant and air and are disposed outside the first heat exchange unit so as to be connected to a discharge tube, and a connecting pipe connecting the first heat exchange unit to the second heat exchange unit to supply the refrigerant to the second heat exchange unit, wherein the first heat exchange unit is disposed so as to exchange heat with air, and wherein a total cross-sectional area of the flat tubes of the first heat exchange unit is larger than that of the flat tubes of the second heat exchange unit.
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公开(公告)号：US20210063091A1
公开(公告)日：2021-03-04
申请号：US16928372
申请日：2020-07-14
申请人： LG ELECTRONICS INC.
发明人： Sukyoung LEE , Sanghoon YOO , Hanchoon LEE , Jiwon CHOI
摘要： In a plate type heat exchanger, a radius of curvature R1 of the protrusions formed in first plates is greater than a radius of curvature R2 of the depressions formed in the first plates to provide a plurality of asymmetrical flow paths.
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公开(公告)号：US20200284482A1
公开(公告)日：2020-09-10
申请号：US16648984
申请日：2018-09-19
申请人： LG ELECTRONICS INC.
发明人： Taegyun PARK , Juhyok KIM , Jiwon CHOI
摘要： A condenser for a refrigerator according the present invention includes a heat exchange unit configured to receive at one side thereof refrigerant, which has been compressed in a compressor, to perform heat exchange between the refrigerant and air and to discharge the refrigerant, which has exchanged heat with the air, to an evaporator, wherein the heat exchange unit includes a flat tube, through one end of which the refrigerant is introduced and through a remaining end of which the refrigerant is discharged, thereby performing heat exchange between the refrigerant and the air, wherein the flat tube includes at least one bent tube portion defining plural rows of tubes, which are spaced apart from each other in an up-and-down direction, and wherein the plural rows of tubes define an intersection bent surface, which has a predetermined curvature and intersects the up-and-down direction.
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