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    Aluminum flat tube for heat exchanger
    3.
    发明申请
    Aluminum flat tube for heat exchanger 审中-公开
    铝管换热器

    公开(公告)号：US20070034366A1

    公开(公告)日：2007-02-15

    申请号：US10555155

    申请日：2004-04-28

    申请人： Takazi Igami ,  Takumi Murayama

    发明人： Takazi Igami ,  Takumi Murayama

    IPC分类号： F28F1/00

    CPC分类号： F28D1/0391

    摘要： An aluminum flat tube for a heat exchanger is fabricated from an aluminum strip-shaped material which is structured by a core material coated with a sacrificial anode material on the inner face thereof and coated with a brazing filler metal on the outer face thereof by bending in the width direction to form a nearly B-shaped flat cross section. To improve the corrosion resistance of the inner face of the tube, the both edge parts of the strip-shaped material in the width direction thereof are bent inward into the tube so as the front end edge of the edge part to become apart from the flat inner face of the tube.

    摘要翻译： 用于热交换器的铝扁管由铝条形材料制成，铝条形材料由其内表面上涂有牺牲阳极材料的芯材构成，并且在其外表面上通过弯曲涂覆有钎焊金属 宽度方向形成近似B形的平截面。 为了提高管的内表面的耐腐蚀性，带状材料的宽度方向的两个边缘部分向内弯曲成管，使得边缘部分的前端边缘与平面分开 管内表面。

    Aluminum heat exchanger
    4.
    发明申请
    Aluminum heat exchanger 审中-公开
    铝热交换器

    公开(公告)号：US20060219393A1

    公开(公告)日：2006-10-05

    申请号：US10565096

    申请日：2004-07-02

    申请人： Takazi Igami

    发明人： Takazi Igami

    IPC分类号： F28F19/02

    CPC分类号： C22C21/06 ,  B21C37/083 ,  B21C37/09 ,  C22C21/00 ,  F28D1/0391 ,  F28D1/0535 ,  F28F1/022 ,  F28F19/06 ,  F28F21/084 ,  F28F21/089

    摘要： An aluminum-made heat exchanger including a flat tube is formed by, using an aluminum strip-shaped material coated with a brazing metal on the outer surface of a core metal and coated with a sacrificial anode material at the inner surface side thereof, bending the strip-shaped material in the width direction thereof, wherein many flat tubes are diposed parallel with each other and joined using a flux in a furnace. In order to provide the aluminum-made heat exchanger capable of being satisfactorily brazed and a high strength after brazing, the brazing metal is of an Al—Si alloy, core metal is an Al—Si alloy including Si of 0.4 to 1.2% by weight, and the sacrificial anode material is of an Al—Mg—Zn alloy including Mg of 0.3 to 0.75% by weight.

    摘要翻译： 包括扁平管的铝制热交换器通过在芯金属的外表面上涂覆有钎焊金属的铝带状材料并在其内表面侧涂覆有牺牲阳极材料来形成， 带状材料在其宽度方向上，其中许多扁平管彼此平行地浸入并在熔炉中使用焊剂接合。 为了提供能够令人满意钎焊的铝制热交换器和钎焊后的高强度，钎焊金属为Al-Si合金，芯金属为包含Si为0.4〜1.2重量％的Si-Al合金 ，牺牲阳极材料为包含0.3〜0.75重量％的Mg的Al-Mg-Zn合金。

    Flat tube for heat exchanger
    5.
    发明申请
    Flat tube for heat exchanger 审中-公开
    换热器平管

    公开(公告)号：US20060180299A1

    公开(公告)日：2006-08-17

    申请号：US10565913

    申请日：2004-07-02

    申请人： Takazi Igami

    发明人： Takazi Igami

    IPC分类号： F28F1/40

    CPC分类号： F28D1/0391 ,  F28F2275/04 ,  Y10T29/49391

    摘要： A flat tube having a nearly B-like shape or the like in cross section, which has one or more partitions therein, and is coated with a brazing metal on the outer surface thereof, is provided. In the top portion of the turned-up portion constituting the partition, there are formed many slits, in order to provide the conditions that satisfy both of the brazing performance and an increase of working accuracy of the flat tube, which slits allow the brazing metal to enter up to the top portion of the turned-up portion, wherein the length “c” of the slit is 2 mm to 15 mm; the distance “e” between the edges of the neighboring slits is 3 mm to 10 mm; and “e/c” is 0.6 or more.

    摘要翻译： 本发明提供一种具有近似B形状的扁平管状截面，其中具有一个或多个隔板，并且在其外表面上涂覆有钎焊金属。 在构成隔板的折弯部分的顶部，形成许多狭缝，以便提供满足扁平管的钎焊性能和加工精度两者的条件，这些狭缝允许钎焊金属 进入折弯部分的顶部，其中狭缝的长度“c”为2mm至15mm; 相邻狭缝的边缘之间的距离“e”为3mm至10mm; “e / c”为0.6以上。