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.

    Electronic device including flexible printed circuit board

    公开(公告)号:US11309645B2

    公开(公告)日:2022-04-19

    申请号:US17061461

    申请日:2020-10-01

    Abstract: An electronic device includes a housing; a first circuit board, and a flexible circuit board. The first circuit board is disposed in an internal space of the housing and includes a plurality of first conductive terminals. The flexible circuit board includes a first connection portion including a plurality of second conductive terminals configured to connect to the plurality of first conductive terminals. The flexible circuit board also includes a connection portion extended from the first connection portion, and at least one conductive layer extended from the connection portion to at least a portion of the first connection portion. Additionally, the flexible circuit board includes at least one transmissive area in which light may be transmitted and the at least one conductive layer is at least partially omitted. At least some of the plurality of second conductive terminals are visible from the outside through the at least one transmissive area.

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