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公开(公告)号：US20210292874A1
公开(公告)日：2021-09-23
申请号：US17265962
申请日：2019-08-23
发明人： Sungtae PARK , Sangjun PARK , Won JU , Jungsoo LIM
摘要： Provided is an aluminum alloy for die casting. The aluminum alloy includes: 3-10 wt % silicon (Si); 0.1-2.0 wt % magnesium (Mg); 0.01-1.3 wt % iron (Fe); 0.01-2.0 wt % zinc (Zn); 0.01-1.5 wt % copper (Cu); 0.01-0.5 wt % manganese (Mn); 0.01-0.5 wt % chrome (Cr); 0.01˜2.0 wt % lanthanum (La); 0.0˜12.0 wt % cerium (Ce); 0.0˜12.0 wt % strontium (Sr); rest aluminum (Al); and unavoidable impurities. The aluminum alloy is improved in not only corrosion-resistance but also physical properties.
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公开(公告)号：US20240082904A1
公开(公告)日：2024-03-14
申请号：US18220527
申请日：2023-07-11
发明人： Sungmin CHO , Yurim PARK , Youngdeog KOH , Sangjun PARK , Sungtae PARK , Jungsoo LIM , Suhyeon HAN
摘要： An apparatus for manufacturing a heat exchanger including a refrigerant tube, the apparatus including a moving rod movable along a first direction; and a tube expansion body connected to the moving rod to be linearly movable along the first direction, the tube expansion body insertable into a tube base material of the refrigerant tub such that the tube base material is expanded outward when the tube expansion body is inserted into the tube base material of the refrigerant tube, wherein the tube expansion body includes a plurality of groove forming protrusions formed on an outer surface of the tube expansion body so as to extend along a direction inclined with respect to the first direction, the groove forming protrusions form a plurality of grooves on an inner surface of the tube base material, when the tube expansion body is moved to be inserted into the tube base material.
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公开(公告)号：US20230406989A1
公开(公告)日：2023-12-21
申请号：US18208386
申请日：2023-06-12
发明人： Mingyu JUNG , Jongsung PARK , Youngdeog KOH , Jungchul KIM , Jungsoo LIM
CPC分类号： C08G18/14 , F25D23/065 , C08J9/149 , C08G18/3215 , C08J2205/052 , C08G2110/005 , C08J2205/044
摘要： Disclosed are a urethane having improved thermal insulation performance by lowering thermal conductivity of the urethane and a refrigerator comprising the same. The urethane may comprise: a plurality of closed cells containing inside gas; a plurality of open cells connected to outside air; and cell walls disposed between at least one of the plurality of closed cells and at least one of the plurality of open cells or between the plurality of closed cells to connect the at least one of the plurality of closed cells with the at least one of the plurality of open cells or to connect the plurality of closed cells. Diameters of a closed cell of the plurality of closed cells and an open cell of the plurality of open cells may be about 100 to 200 μm.
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4.发明公开公开(公告)号：US20240263062A1
公开(公告)日：2024-08-08
申请号：US18640475
申请日：2024-04-19
发明人： Jongsung PARK , Mingyu JUNG , Youngdeog KOH , Jungsoo LIM , Sungmin CHO
CPC分类号： C09K5/08 , F25D23/063 , F25D23/065 , F25D2201/1262
摘要： The invention disclosed in the present specification relates to urethane that has insulation performance improved by lowering the thermal conductivity of urethane, and to a refrigerator having same applied thereto. The urethane having improved insulation performance comprising a plurality of closed cells containing internal gas generated from foaming; a plurality of open cells connected to outside air; and cell walls arranged between a closed cell among the plurality of closed cells and an open cell among the plurality of open cells or between the plurality of closed cells to connect the closed cells and the open cells, or the plurality of closed cells; and have a thermal conductivity (λurethane) 17 to 18.5 mW/m·K.
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公开(公告)号：US20230408112A1
公开(公告)日：2023-12-21
申请号：US18338649
申请日：2023-06-21
发明人： Jimin HONG , Jungsoo LIM , Kihun JEONG , Youngdeog KOH
IPC分类号： F24F1/0011
CPC分类号： F24F1/0011 , F24F2221/26
摘要： An exterior material for home appliances comprises a plastic material; and a coating layer formed on the top of the plastic material. The coating layer may comprise at least one of a wax-based additive, a fluorine-based additive, or a wax-based additive and a fluorine-based additive by applying a coating solution having a viscosity of about 10 to 100 g/cm s that comprises the at least one additive.
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公开(公告)号：US20210340647A1
公开(公告)日：2021-11-04
申请号：US17271791
申请日：2019-09-04
发明人： Sungtae PARK , Sangjun PARK , Won JU , Jungsoo LIM
IPC分类号： C22C21/00
摘要： The present disclosure relates to an aluminum alloy having chloride resistance and corrosion resistance against harmful gas environments as well as processability to the extent of undergoing extrusion and drawing. The aluminum alloy according to the present disclosure comprise 0.1-4.5 wt % of Mg, 0.1-0.60 wt % of Zn, 0.05-0.1 wt % of Fe, 0.05-0.1 wt % of Si, and the balance Al.
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公开(公告)号：US20240352654A1
公开(公告)日：2024-10-24
申请号：US18647635
申请日：2024-04-26
发明人： Sunghwan HONG , Hochae LEE , Jungsoo LIM , Ansook SUL , Yunjoung LEE , Yeonkyoung JUNG , Donok CHOI
CPC分类号： D06F43/081 , D06F43/02 , D06L1/00 , D06L1/04 , D06L1/10
摘要： Provided is a washing machine including: a storage chamber configured to store carbon dioxide in a gaseous state; an additive container configured to store an additive; a mixing chamber configured to mix the carbon dioxide in the gaseous state supplied from the storage chamber with the additive supplied from the additive container and pressurize the carbon dioxide and the additive, which are mixed with each other, to generate a mixed solution in a liquid state; a washing chamber configured to wash laundry using the mixed solution supplied from the mixing chamber; and a distillation chamber configured to accommodate the mixed solution discharged from the washing chamber and vaporize the carbon dioxide from the mixed solution therein, wherein the additive lowers a vapor pressure of the mixed solution to maintain the mixed solution in a liquid state at pressures of 10 bar or less.
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公开(公告)号：US20220167817A1
公开(公告)日：2022-06-02
申请号：US17514569
申请日：2021-10-29
发明人： Jimin HONG , Mingyu JUNG , Kookjeong SEO , Jungsoo LIM
摘要： A cleaner apparatus including a filler configured to reduce static electricity is provided. The cleaner apparatus includes a main body, a dust container detachably coupled to the main body, an extension tube having an end detachably coupled to the main body, and a suction head detachably coupled to another end of the extension tube, wherein the dust container includes a first filler having a charge mobility of 16,000 to 200,000 cm2/Vs and an aspect ratio of 1:1,500 to 1:8,500.
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公开(公告)号：US20220010993A1
公开(公告)日：2022-01-13
申请号：US17309521
申请日：2019-11-29
发明人： Jungsoo LIM , Kyoungmok KIM , Seulkiro KIM , Sunhee PARK , Hyesoon YANG , Kisup LEE , Sinyoung LEE , Jongho LEE , Mingyu JUNG , Jeongsu HAN
摘要： Disclosed is an air conditioner for creating a comfortable indoor environment. The air conditioner includes an indoor unit configured to have a carbon dioxide remover for filtering carbon dioxide from indoor air to supply clean air into a room, and discharging the filtered carbon dioxide to the outside, an outdoor unit configured to have an oxygen generator for separating oxygen from outdoor air introduced from the outside to supply the separated oxygen into the room, and discharging residues from which the oxygen is separated to the outside; and a processor configured to control the carbon dioxide remover and the oxygen generator to discharge the filtered carbon dioxide and the residues to the outdoor together. According to the disclosure, by first removing the carbon dioxide from the room and then discharging the carbon dioxide and the residues while operating the oxygen generator, a piping installation operation by a simple piping structure as well as an efficient operation is possible.
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公开(公告)号：US20210039149A1
公开(公告)日：2021-02-11
申请号：US16986174
申请日：2020-08-05
发明人： Sungtae PARK , Myounghun KIM , Sangjun PARK , Won JU , Jungsoo LIM , Kookjeong SEO
摘要： An extrusion apparatus and a method for manufacturing an aluminum capillary tube using the same are provided. The extrusion apparatus includes a container, a housing mold provided on one side of the container and including a plurality of dies formed with a plurality of holes, and a ram pressing an aluminum billet accommodated in the container in a direction from another side to the one side of the container so that the aluminum billet accommodated in the container is extruded into a plurality of aluminum capillary tubes having cross-sectional shapes corresponding to the plurality of holes, and the number of the plurality of holes is determined based on an inner diameter of the container and a diameter of each of the plurality of holes.
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