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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
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungtae PARK , Myounghun KIM , Sangjun PARK , Won JU , Jungsoo LIM , Kookjeong SEO
Abstract: 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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公开(公告)号：US20250102196A1
公开(公告)日：2025-03-27
申请号：US18824071
申请日：2024-09-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaehyun LEE , Sungbok KO , Myounghun KIM , Ilsung BAE , Seokjun SON , Byungkwan YANG , Wonjae YOON , Insub LEE , Hyoju HAN
IPC: F25B21/02
Abstract: A refrigerator may include: a body; a storage compartment inside the body; a door configured to open and close the storage compartment; an evaporator configured to evaporate a refrigerant to generate cold air; an evaporator duct at a rear side of the storage compartment and configured to supply cold air generated by the evaporator to the storage compartment; and a thermoelectric cooling device including a thermoelectric element including a heating portion and a cooling portion, wherein the thermoelectric cooling device is configured to heat air from outside of the body with the heating portion and discharge the air heated by the heating portion to outside of the body, and to cool air from the storage compartment with the cooling portion and supply the cooled air to the storage compartment, and the thermoelectric cooling device is disposed on an upper side of the storage chamber.
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公开(公告)号：US20250102216A1
公开(公告)日：2025-03-27
申请号：US18902019
申请日：2024-09-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaehyun LEE , Sungbok KO , Myounghun KIM , Ilsung BAE , Seokjun SON , Byungkwan YANG , Wonjae YOON , Oungu LEE , Hyoju HAN
Abstract: A refrigerator may include: a body including an upper wall, a compartment in the body, a door to open or close the compartment, a thermoelectric element on the upper wall and including: a heating portion which generates heat and faces upward and a cooling portion which absorbs heat and faces downward, a cooling sink including a base contacting the cooling portion, and fins protruding from the base perpendicular to a lower surface of the base and extending parallel to the lower surface of the base so that the cooling sink is cooled by the cooling portion, a fan on the upper wall to blow air toward the fins so that the air is cooled, and a duct on the upper wall to guide the air into the compartment.
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公开(公告)号：US20240191955A1
公开(公告)日：2024-06-13
申请号：US18586300
申请日：2024-02-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungmin YOO , Myounghun KIM , Juik OH , Youngchan YOON , Sangjoe CHOI
CPC classification number: F28F21/084 , F28F1/32 , F28F19/002 , F28F2275/10
Abstract: A high corrosion resistance heat exchanger is disclosed, which has improved corrosion resistance. The improved corrosion resistance is achieved by controlling alloy components in a tube material and a fin material and inducing sacrificial corrosion of the fin material. The high corrosion resistance heat exchanger includes a tube having a channel formed therein to allow a refrigerant to flow, and a plurality of fins coupled to the outer circumferential surface of the tube. The fins may contain 0.1 wt % to 0.45 wt % of Mg, and 0.5 wt % to 0.8 wt % of Zn, a remainder wt % of Al.
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