HEAT EXCHANGER AND AIR CONDITIONER HAVING SAME

    公开(公告)号:US20230366638A1

    公开(公告)日:2023-11-16

    申请号:US18226631

    申请日:2023-07-26

    CPC classification number: F28F1/12 C22C21/08

    Abstract: A heat exchanger includes a plurality of tubes in which a refrigerant flows, heat-exchanger fins provided between the plurality of tubes, and a filler coupling the heat-exchanger fins to the plurality of tubes, wherein each of the plurality of tubes comprises a first aluminum alloy, each of the heat-exchanger fins comprises a second aluminum alloy, the filler comprises a third aluminum alloy, the plurality of tubes have a corrosion potential of −745 mV to −695 mV, the filler has a corrosion potential of −810 mV to −720 mV, and the heat-exchanger fins have a corrosion potential of −810 mV to −740 mV.

    Extrusion apparatus and method for manufacturing aluminum capillary tube using same

    公开(公告)号:US11498104B2

    公开(公告)日:2022-11-15

    申请号:US16986174

    申请日:2020-08-05

    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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