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    • 10. 发明公开
    • HEAT EXCHANGER
    • EP4403866A1
    • 2024-07-24
    • EP24151997.4
    • 2024-01-16
    • LG Electronics Inc.
    • LEE, SangyeulLEE, SukyoungKIM, JaeyoungLEE, Eungyul
    • F28F1/32F28F17/00F28D1/04
    • F28D1/04F28F1/32F28F17/005F28D2021/006820130101F28D2021/00720130101F28D2021/007120130101
    • A heat exchanger according to the present disclosure includes: a heat transfer tube configured to guide a refrigerant; and a plurality of fins each having a through-hole through which the heat transfer tube is vertically installed, the plurality of fins being spaced apart from each other to allow air to pass in a first direction, wherein each of the plurality of fins includes: a corrugated portion formed in a zigzag shape in the first direction; a sheet portion disposed to surround the through-hole; and a connecting portion configured to connect the sheet portion and the corrugated portion, and wherein an inclined contact point, which is the highest position of the connecting portion and the corrugated portion, is located lower than a valley portion contact point, which is the lowest position of the connecting portion and the corrugated portion in a second direction perpendicular to the first direction. Thus, by controlling an angle of a contact point, which is an air stagnation section between a sheet portion through which a through-hole passes and a corrugated portion, the mixing of air passing through the sheet portion and air passing through an inclined portion may be facilitated. In addition, as a coordinate of a contact point, which is the highest point of an inclined portion between the sheet portion and the corrugated portion, is limited within a predetermined range, the flow of air may be induced without causing stagnation to thereby improve the heat transfer performance.