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    • 2. 发明公开
    • PLATE-TYPE HEAT EXCHANGER AND METHOD FOR MANUFACTURING THE SAME
    • EP4357715A1
    • 2024-04-24
    • EP23204490.9
    • 2023-10-18
    • Shinhan Apex Corporation
    • CHO, Mun-Jae
    • F28D7/16B21D53/06F28D9/00F28F3/10F28F1/02
    • F28F2275/0620130101F28D7/1684F28F1/022F28F1/025F28D9/0037F28F3/10B21D53/04B21D19/00B21D5/02B21D51/06
    • [Summary]
      A plate-type heat exchanger and a manufacturing method thereof are disclosed.
      A plate type heat exchanger according to one aspect of the present invention includes a heat transfer assembly, wherein the heat transfer assembly includes a plurality of heat transfer shells stacked in multiple layers, wherein each of the heat transfer shells include a pair of heat conduction plates; wherein each of the heat conduction plates has a pair of flange portions bent at both side edges, and a first heat transfer portion and a second heat transfer portion facing each other at a certain distance by a bending portion bent and formed in the middle of the length; wherein the heat transfer shell includes a first passage, through which a first fluid passes, formed by welding the end of the first heat transfer portion of one of the pair of heat conduction plates and the end of the second heat transfer portion of the other heat conduction plate in contact with each other and by welding the end of the second heat transfer portion of the one heat conduction plate and the end of the first heat transfer portion of the other heat conduction plate in contact with each other; wherein the plurality of heat transfer shells are stacked in multiple layers by welding both side flange portions of the heat conduction plate provided in the heat transfer shell and both side flange portions of the other heat conduction plate provided in the other heat transfer shell, whereby a second passage through which a second fluid passes is formed between the adjacent heat transfer shells to intersect the first passage; and wherein heat exchange may occur between the first fluid passing through the first passage and the second fluid passing through the second passage without physical contact.
    • 7. 发明公开
    • A FLAT TUBE FOR A HEAT EXCHANGER
    • EP4273489A1
    • 2023-11-08
    • EP22171241.7
    • 2022-05-03
    • Valeo Klimasysteme GmbH
    • ASRI, Mohamed
    • F28D1/03F28D1/053F28F1/02F28F9/16B21C37/08B23K1/00B21D53/02
    • The object of the invention is, among others flat tube (1) for a heat exchanger (100) for a flow of a fluid therein, the tube (1) being formed by bending a sheet metal strip (2) along its length, the metal strip (2) comprising longitudinal edges (2A, 2B), the flat tube (1) further comprising: a first wall (3), a second wall (4) parallel to the first wall (3), said walls (3, 4) being substantially flat, two complementary side wall portions (6) joining said first and second walls (3, 4) together, wherein the first fall (3) comprises a seam (5) extending along the longitudinal axis of the flat tube (1) so that juxtaposed longitudinal edges (2A, 2B) of the metal strip (2) join together in parallel manner towards the second wall (4) to form a closed profile of the tube (1), the seam (5) comprises a first section (5A) and a second section (5B) arranged in series with respect to the first portion of the seam (5), the sections (5A, 5B) being spaced apart from the second wall (4) and extending along the seam (5) along the longitudinal axis of the flat tube (1), characterized in that the second wall (4) comprises at least one deflection (9) protruding towards the seam (5), so that the first section (5A) is in contact with the second wall (4) whereas the second section (5B) remains spaced apart from the second wall (4).