公开(公告)号：US11498104B2

公开(公告)日：2022-11-15

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

IPC: B21C23/08 ,  B21C23/00

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.

公开(公告)号：US11519676B2

公开(公告)日：2022-12-06

申请号：US16946605

申请日：2020-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungwook Bae ,  Kookjeong Seo ,  Myounghun Kim ,  Heeyuel Roh ,  Seulki Min ,  Dongwoo Shin

IPC: F28F9/013 ,  F28F1/32

Abstract: A refrigerator comprising a storeroom and a cold air supplier configured to supply cold air into the storeroom. Where the cold air supplier comprises a heat exchanger producing cold air, a duct accommodating the heat exchanger and defining a flow path for air to pass through the heat exchanger, and a fan generating an air flow inside the duct. Where the heat exchanger comprises a tube in which a refrigerant flows and a fin coupled to an outer surface of the tube. Where the tube is eccentrically arranged to a side of the duct.