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    • 34. 发明授权
    • Heat exchanger
    • 热交换器
    • US6006825A
    • 1999-12-28
    • US958770
    • 1997-10-26
    • Satoshi Kitazaki
    • Satoshi Kitazaki
    • F28F9/02
    • F28F9/0226
    • In a heat exchanger according to the present invention, a projecting edge portion integrally projects outward from an opening edge portion of a tank body, and a tank and a core plate are connected to each other in such a way that a claw portion of an edge portion of the core plate is caulked by being folded toward a back of the projecting edge portion, and the back of the projecting edge portion at the opening edge portion of the tank body and an outside surface of the tank body are continuously connected to each other by a curved surface. Accordingly, stress dispersedly acts on the connection portion between the tank and the core plate so that local stress concentration is prevented and breakage is prevented.
    • 在根据本发明的热交换器中,从罐体的开口边缘部分向外突出的突出边缘部分,并且罐和芯板彼此连接,使得边缘的爪部分 芯板的一部分通过朝向突出边缘部分的背面折叠而被铆接,并且在罐体的开口边缘部分处的突出边缘部分的后部和罐体的外表面彼此连续地连接 通过曲面。 因此,应力分散地作用在罐和芯板之间的连接部分上,从而防止局部应力集中并防止破裂。
    • 38. 发明授权
    • Process for producing flat heat exchange tubes
    • 生产扁平换热管的方法
    • US5784776A
    • 1998-07-28
    • US774216
    • 1996-12-27
    • Yoshihiro SaitoTakashi TamuraSatoru KaimuraSatoshi HozumiMasashi SakaguchiHirosaburo HiranoYuji YamamotoShinji Ito
    • Yoshihiro SaitoTakashi TamuraSatoru KaimuraSatoshi HozumiMasashi SakaguchiHirosaburo HiranoYuji YamamotoShinji Ito
    • B21B1/22B21C37/15B21H8/00F28D1/03F28F1/02F28F3/04B23P15/26
    • B21H8/00B21B1/227B21C37/151F28D1/0316F28D1/0391F28F1/022F28F3/04F28F2250/04Y10T29/49377Y10T29/49378Y10T29/53122
    • A process for producing a flat heat exchange tube having parallel refrigerant passages in its interior and comprising flat upper and lower walls, opposite side walls and a plurality of reinforcing walls connected between the upper and lower walls, extending longitudinally of the tube and spaced apart from one another by a predetermined distance, using a rolling mill including a central work roll and a plurality of planetary work rolls arranged around a portion of the periphery of the central work roll and spaced apart circumferentially thereof, the central work roll being formed with parallel annular grooves in the periphery thereof. An aluminum sheet blank including a brazing sheet is rolled by the mill and thereby thinned to a predetermined thickness to form a flat portion serving as the lower wall, cause the annular grooves at opposite roll ends to form upright portions providing the respective side walls and the other annular grooves to form vertical ridges providing the reinforcing walls, the upright portions and the vertical ridges projecting from the flat portion integrally therewith. An aluminum sheet comprising a brazing sheet is placed over all the ridges to provide the upper wall and joined to the upright portions to make the upright portions serve as the opposite side walls, and the ridges of the lower wall are joined to the upper wall to form the reinforcing walls.
    • 一种制造在其内部具有平行的制冷剂通道的平坦的热交换管的方法,包括平的上壁和下壁,相对的侧壁和连接在上壁和下壁之间的多个加强壁,其纵向延伸并且与管壁间隔开 使用包括中心工作辊和围绕中心工作辊的周边的一部分周围布置并围绕其周向间隔开的多个行星工作辊的轧机彼此间隔开,中心工作辊形成有平行的环形 在其周边的凹槽。 包括钎焊板的铝板坯料被轧机轧制,从而变薄到预定厚度,以形成用作下壁的平坦部分,使得相对的辊端部处的环形槽形成提供相应的侧壁和 其它环形槽,以形成提供加强壁的竖直脊,垂直部分和垂直隆起部与该平坦部分一体突出。 将包括钎焊片的铝片放置在所有脊上以提供上壁并连接到直立部分,以使直立部分用作相对的侧壁,并且下壁的脊部与上壁接合以 形成加强墙。