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    • 4. 发明授权
    • Method for producing aluminum alloy heat exchanger
    • 铝合金热交换器生产方法
    • US09132518B2
    • 2015-09-15
    • US13699182
    • 2011-05-10
    • Naoki YamashitaYuji Hisatomi
    • Naoki YamashitaYuji Hisatomi
    • B23P15/26B23K1/00B23K1/008B23K1/20B23K35/00B23K35/28B23K35/365C22C21/00F28F1/02F28F1/12F28F21/08C23C26/02C23C30/00
    • B23P15/26B23K1/0012B23K1/008B23K1/203B23K35/002B23K35/28B23K35/282B23K35/365B23K2101/14C22C21/00C23C26/02C23C30/00F28F1/022F28F1/126F28F21/084F28F21/089F28F2255/16Y10T29/49378
    • A method for producing an aluminum alloy heat exchanger includes applying a coating material prepared by mixing an Si powder, a flux powder, and a binder to a surface of a multiport flat refrigerant tube, assembling an aluminum alloy bare fin with the multiport flat refrigerant tube, and brazing the multiport flat refrigerant tube and the aluminum alloy bare fin to obtain an aluminum alloy heat exchanger, the multiport flat refrigerant tube being formed of an aluminum alloy extruded material that includes 0.5 to 1.7 mass % of Mn, less than 0.10 mass % of Si, and less than 0.10 mass % of Cu, with the balance being Al and unavoidable impurities, the aluminum alloy bare fin being a corrugated fin that is obtained by forming an Al—Mn—Zn alloy material, the coating material being prepared by mixing an Si powder, a Zn-containing compound flux powder, a Zn-free compound flux powder, and a binder, the Si powder being applied in an amount of 1 to 4 g/m2, and the aluminum alloy heat exchanger obtained by brazing having a configuration in which a deep area of the refrigerant tube has the highest potential, and the potential decreases in order from a surface area of the refrigerant tube, a fin joint fillet, and the fin.
    • 一种铝合金热交换器的制造方法,其特征在于,将通过将Si粉末,助熔剂粉末和粘合剂混合而成的涂料施加到多端口平面制冷剂管的表面,将铝合金裸翅片与多端口平面制冷剂管 并且将多孔扁平制冷剂管和铝合金裸翅片钎焊以获得铝合金热交换器,所述多端口平面制冷剂管由包含0.5至1.7质量%的Mn,小于0.10质量%的铝合金挤压材料形成, 的Si,小于0.10质量%的Cu,余量为Al和不可避免的杂质,铝合金裸翅片为通过形成Al-Mn-Zn合金材料而获得的波纹状散热片,该涂料由 混合Si粉末,含Zn化合物焊剂粉末,不含Zn的复合焊剂粉末和粘合剂,施加的Si粉末的量为1〜4g / m 2,铝合金热交换 r,其制冷剂管的深部区域具有最高的电位,电位从制冷剂管的表面积,翅片接头圆角和翅片的顺序下降。
    • 5. 发明申请
    • ALUMINUM ALLOY HEAT EXCHANGER AND METHOD OF PRODUCING REFRIGERANT TUBE USED FOR THE HEAT EXCHANGER
    • 铝合金热交换器及用于热交换器的制冷管的制造方法
    • US20120145365A1
    • 2012-06-14
    • US13378854
    • 2010-06-21
    • Naoki YamashitaYasunaga ItohYuji Hisatomi
    • Naoki YamashitaYasunaga ItohYuji Hisatomi
    • F28F13/18C22F1/04
    • B21D53/06B23K35/282B23K35/3607B23K35/362B23K2101/14C22C21/00C22C21/02C22C21/10C22C21/14F28D2021/0084F28D2021/0085F28F1/00F28F19/02F28F19/06F28F21/084F28F2275/04
    • An aluminum alloy heat exchanger is produced by applying a coating material that is prepared by adding a binder to a mixture of an Si powder and a Zn-containing compound flux powder to a surface of an aluminum alloy refrigerant tube, assembling a bare fin that is formed of an Al—Mn—Zn alloy with the refrigerant tube, and brazing the refrigerant tube and the bare fin by heating in an atmosphere-controlled furnace, the refrigerant tube being an extruded product of an aluminum alloy that comprises 0.5 to 1.7% (mass %, hereinafter the same) of Mn, less than 0.10% of Cu, and less than 0.10% of Si, with the balance being Al and unavoidable impurities, a mixing ratio of the Si powder to the Zn-containing compound flux powder being 10:90 to 40:60, the binder being added in an amount of 5 to 40% based on the total amount of the coating material, the coating material being applied to an outer surface of the refrigerant tube so that the total amount of the Si powder and the Zn-containing compound flux powder is 5 to 30 g/m2, the surface of the refrigerant tube subjected to brazing having a potential lower than that of an area of the refrigerant tube that is deeper than a diffusion depth of Si and Zn by 20 to 200 mV, and a potential of the fin being lower than that of a deep area of the refrigerant tube.
    • 通过将通过将Si粉末和含Zn化合物助焊剂粉末的混合物中的粘合剂添加到铝合金制冷剂管的表面而制备的涂料来制造铝合金热交换器, 由Al-Mn-Zn合金与制冷剂管形成,并且在气氛控制的炉中通过加热钎焊制冷剂管和裸露的翅片,制冷剂管是铝合金的挤出产品,其包含0.5-1.7%( 质量%,以下相同),小于0.10%的Cu和小于0.10%的Si,余量为Al和不可避免的杂质,Si粉末与含Zn化合物焊剂粉末的混合比为 10:90〜40:60,粘合剂的添加量相对于涂料总量为5〜40%,涂料施加到制冷剂管的外表面, Si粉末和含Zn组合物 焊剂粉末为5〜30g / m 2,制冷剂管的表面的电位低于比Si和Zn的扩散深度高20〜200mV的制冷剂管的面积的电位, 并且翅片的电位低于制冷剂管的深部区域的电位。
    • 10. 发明授权
    • Aluminum alloy heat exchanger and method of producing refrigerant tube used for the heat exchanger
    • 铝合金热交换器和用于热交换器的制冷剂管的制造方法
    • US09440315B2
    • 2016-09-13
    • US13378854
    • 2010-06-21
    • Naoki YamashitaYasunaga ItohYuji Hisatomi
    • Naoki YamashitaYasunaga ItohYuji Hisatomi
    • B23K35/362B23K35/28B23K35/36C22C21/00C22C21/02C22C21/10C22C21/14F28F19/02F28F21/08F28D21/00
    • B21D53/06B23K35/282B23K35/3607B23K35/362B23K2101/14C22C21/00C22C21/02C22C21/10C22C21/14F28D2021/0084F28D2021/0085F28F1/00F28F19/02F28F19/06F28F21/084F28F2275/04
    • An aluminum alloy heat exchanger is produced by applying a coating material that is prepared by adding a binder to a mixture of an Si powder and a Zn-containing compound flux powder to a surface of an aluminum alloy refrigerant tube, assembling a bare fin that is formed of an Al—Mn—Zn alloy with the refrigerant tube, and brazing the refrigerant tube and the bare fin by heating in an atmosphere-controlled furnace, the refrigerant tube being an extruded product of an aluminum alloy that comprises 0.5 to 1.7% (mass %, hereinafter the same) of Mn, less than 0.10% of Cu, and less than 0.10% of Si, with the balance being Al and unavoidable impurities, a mixing ratio of the Si powder to the Zn-containing compound flux powder being 10:90 to 40:60, the binder being added in an amount of 5 to 40% based on the total amount of the coating material, the coating material being applied to an outer surface of the refrigerant tube so that the total amount of the Si powder and the Zn-containing compound flux powder is 5 to 30 g/m2, the surface of the refrigerant tube subjected to brazing having a potential lower than that of an area of the refrigerant tube that is deeper than a diffusion depth of Si and Zn by 20 to 200 mV, and a potential of the fin being lower than that of a deep area of the refrigerant tube.
    • 通过将通过将Si粉末和含Zn化合物助焊剂粉末的混合物中的粘合剂添加到铝合金制冷剂管的表面而制备的涂料来制造铝合金热交换器, 由Al-Mn-Zn合金与制冷剂管形成,并且在气氛控制的炉中通过加热钎焊制冷剂管和裸露的翅片,制冷剂管是铝合金的挤出产品,其包含0.5-1.7%( 质量%,以下相同),小于0.10%的Cu和小于0.10%的Si,余量为Al和不可避免的杂质,Si粉末与含Zn化合物焊剂粉末的混合比为 10:90〜40:60,粘合剂的添加量相对于涂料总量为5〜40%,涂料施加到制冷剂管的外表面, Si粉末和含Zn组合物 焊剂粉末为5〜30g / m 2,制冷剂管的表面的电位低于比Si和Zn的扩散深度高20〜200mV的制冷剂管的面积的电位, 并且翅片的电位低于制冷剂管的深部区域的电位。