公开(公告)号：US5069980A

公开(公告)日：1991-12-03

申请号：US649951

申请日：1991-02-04

申请人： Keizo Namba ,  Yasunaga Itoh ,  Hiroshi Nakanishi

发明人： Keizo Namba ,  Yasunaga Itoh ,  Hiroshi Nakanishi

IPC分类号： B01D1/30 ,  B23K1/19 ,  B23K35/28 ,  B32B15/01 ,  C22C21/00 ,  C22C21/02 ,  F28F21/08

CPC分类号： F28F21/089 ,  B01D1/30 ,  B23K1/19 ,  B23K35/286 ,  B32B15/016 ,  F28F21/084 ,  Y10S165/905 ,  Y10T428/12764

摘要： A vacuum-brazing aluminum cladding material consisting of a core member and a first and a second clad which cover at least one surface of the core member. The first clad consists of 6-14% by weight of Si, 0-0.6% by weight of Mg and the balance being at least Al, and the second clad formed on the first clad consists of 0-14% by weight of Si, 0.8-2.5% by weight of Mg and the balancing being at least Al. The second clad has a thickness of at least 5"m, and this thickness and a content of Si determined so as to satisfy a formula t.ltoreq..vertline.100/(10-c).vertline., wherein, "t" is the thickness (.mu.m) of said second alloy clad, and "c" is the content (% by weight) os Si of the second clad.

摘要翻译： 1.一种真空钎焊铝包覆材料，其由芯部件和覆盖所述芯部件的至少一个表面的第一和第二覆盖层组成。 第一包层由6-14重量％的Si，0-0.6重量％的Mg和余量至少为Al组成，第一包层上形成的第二包层由0-14重量％的Si组成， 0.8-2.5重量％的Mg，平衡至少为Al。 第二包层具有至少5“的厚度，并且该厚度和Si的含量被确定为满足公式t

公开(公告)号：US20120145365A1

公开(公告)日：2012-06-14

申请号：US13378854

申请日：2010-06-21

申请人： Naoki Yamashita ,  Yasunaga Itoh ,  Yuji Hisatomi

发明人： Naoki Yamashita ,  Yasunaga Itoh ,  Yuji Hisatomi

IPC分类号： F28F13/18 ,  C22F1/04

CPC分类号： B21D53/06 ,  B23K35/282 ,  B23K35/3607 ,  B23K35/362 ,  B23K2101/14 ,  C22C21/00 ,  C22C21/02 ,  C22C21/10 ,  C22C21/14 ,  F28D2021/0084 ,  F28D2021/0085 ,  F28F1/00 ,  F28F19/02 ,  F28F19/06 ,  F28F21/084 ,  F28F2275/04

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07250223B2

公开(公告)日：2007-07-31

申请号：US10860560

申请日：2004-06-03

申请人： Haruhiko Miyachi ,  Yoshiharu Hasegawa ,  Masamichi Makihara ,  Yasunaga Itoh ,  Naoki Yamashita ,  Toshihiko Fukuda

发明人： Haruhiko Miyachi ,  Yoshiharu Hasegawa ,  Masamichi Makihara ,  Yasunaga Itoh ,  Naoki Yamashita ,  Toshihiko Fukuda

IPC分类号： F28F23/00 ,  F28F1/12 ,  F28F1/42 ,  F28F21/08 ,  B32B7/02 ,  B32B15/01 ,  B32B15/20

CPC分类号： F28F19/06 ,  F28F1/126 ,  F28F21/084 ,  F28F21/089 ,  Y10S165/905 ,  Y10T428/12764 ,  Y10T428/31678

摘要： The present invention provides a heat exchanger which is assembled by brazing an aluminum fin material to the outer surface of an aluminum tube material formed by bending a sheet material, in particular, an aluminum heat exchanger which can be suitably used as an automotive heat exchanger such as a condenser or evaporator. The tube material is formed of a two-layer clad sheet which includes a core material and an Al—Zn alloy layer clad on the core material. The Al—Zn alloy layer is clad on the outer surface of the tube material and brazed to the aluminum fin material. The potential of the Al—Zn alloy layer in a normal corrosive solution is at least 100 mV lower than the potential of the core material in the normal corrosive solution. The potential of the Al—Zn alloy layer in the normal corrosive solution is lower than the potential of the core material in high-concentration corrosive water. The normal corrosive solution refers to an aqueous solution containing 10 g/l of NaCl and 0.3 g/l of Na2SO4, and the high-concentration corrosive water refers to an aqueous solution in which the NaCl concentration is increased by 30 times by concentrating the above aqueous solution.

摘要翻译： 本发明提供一种热交换器，其通过将铝翅片材料钎焊到通过弯曲板材形成的铝管材料的外表面而组装，特别是铝热交换器，铝热交换器可适合用作汽车热交换器 作为冷凝器或蒸发器。 管材由包含芯材和在芯材上包覆的Al-Zn合金层的双层包覆板形成。 Al-Zn合金层被覆在管材的外表面上并钎焊到铝翅片材料上。 正常腐蚀性溶液中Al-Zn合金层的电位比正常腐蚀性溶液中芯材的电位低至少100mV。 正常腐蚀性溶液中Al-Zn合金层的电位低于高浓度腐蚀性水中芯材的电位。 正常腐蚀性溶液是指含有10g / l NaCl和0.3g / l Na 2 SO 4·4的水溶液，高浓度腐蚀性水是指 通过浓缩上述水溶液使NaCl浓度增加30倍的水溶液。

公开(公告)号：US20060102328A1

公开(公告)日：2006-05-18

申请号：US11280632

申请日：2005-11-16

申请人： Taketoshi Toyama ,  Yoshiharu Hasegawa ,  Naohiro Ohya ,  Yasunaga Itoh ,  Yuji Hisatomi ,  Hirokazu Tanaka

发明人： Taketoshi Toyama ,  Yoshiharu Hasegawa ,  Naohiro Ohya ,  Yasunaga Itoh ,  Yuji Hisatomi ,  Hirokazu Tanaka

IPC分类号： F28F13/18

CPC分类号： B23K1/0012 ,  B23K2101/14 ,  F28D1/0391 ,  F28D2021/0085 ,  F28F3/025 ,  F28F19/06 ,  F28F21/084 ,  F28F21/089

摘要： A sheet material for the tube 10 includes: a core material 10b; and a sacrifical corrosion material 10c clad on one face of the core material 10b which becomes an outside of the tube 10. A sheet material for the fin is a bare aluminum material on which a brazing filler metal is not clad. A mixture composition 10e, in which powder of a brazing filler metal and flux are mixed with each other, is coated on the outside of the tube 10. The tube 10 and the fin are brazed to each other with this mixture composition 10e. Even after the completion of brazing, the sacrifical corrosion material 10c remains on the outside of the tube 10.

摘要翻译： 用于管10的片材包括：芯材料10b; 以及包围在成为管10外侧的芯材料10b的一个面上的牺牲腐蚀材料10c。 用于翅片的片材是裸金属材料，钎焊金属不包覆在其上。 将钎料和助熔剂的粉末彼此混合的混合物组合物10e涂覆在管10的外侧。 管10和翅片用这种混合物组合物10e彼此钎焊。 即使在钎焊完成之后，牺牲腐蚀材料10c保留在管10的外侧。

公开(公告)号：US09643283B2

公开(公告)日：2017-05-09

申请号：US14340081

申请日：2014-07-24

申请人： Yasunaga Itoh ,  Tomoki Yamayoshi

发明人： Yasunaga Itoh ,  Tomoki Yamayoshi

IPC分类号： B32B15/01 ,  B23K35/02 ,  B23K35/28 ,  C22C21/06 ,  C22C21/02 ,  B23K35/00 ,  B23K1/00 ,  B23K1/20 ,  F28F21/08 ,  B23K35/38 ,  B23K101/14

CPC分类号： B23K35/286 ,  B23K1/00 ,  B23K1/0012 ,  B23K1/20 ,  B23K1/206 ,  B23K35/00 ,  B23K35/0238 ,  B23K35/38 ,  B23K2101/14 ,  B32B15/016 ,  C22C21/00 ,  C22C21/02 ,  C22C21/06 ,  F28F21/084 ,  F28F21/089 ,  Y10T428/12764

摘要： An aluminum alloy brazing sheet achieves a stable brazability equal to by brazing using a flux, even if an etching treatment is not performed on the brazing site. The aluminum alloy brazing sheet is used to braze aluminum in an inert gas atmosphere without using a flux and includes a core material and a filler metal, one side or each side of the core material being clad with the filler metal, the core material being formed of an aluminum alloy that includes 0.2 to 1.3 mass % of Mg, the filler metal including 6 to 13 mass % of Si and 0.004 to 0.1 mass % of Li, with the balance being aluminum and unavoidable impurities, a surface oxide film having been removed from the brazing sheet, and an oil solution that decomposes when heated at 380° C. or less in an inert gas having been applied to the brazing sheet.

公开(公告)号：US20100263768A1

公开(公告)日：2010-10-21

申请号：US12798315

申请日：2010-04-01

申请人： Yuji Hisatomi ,  Naoki Yamashita ,  Yasunaga Itoh

发明人： Yuji Hisatomi ,  Naoki Yamashita ,  Yasunaga Itoh

IPC分类号： C22F1/057 ,  C22C21/12

CPC分类号： B23K35/22 ,  B23K1/0012 ,  B23K35/286 ,  B23K35/288 ,  B23K2101/14 ,  B32B15/016 ,  C22C21/00 ,  C22C21/02 ,  F28F1/022 ,  F28F21/084

摘要： An aluminum alloy clad sheet for heat exchangers includes a core material, a cladding material 1, and a cladding material 2, one side and the other side of the core material being respectively clad with the cladding material 1 and the cladding material 2, the core material containing 0.5 to 1.2% of Si, 0.2 to 1.0% of Cu, and 1.0 to 1.8% of Mn, with the balance being Al and unavoidable impurities, the cladding material 1 containing 3 to 6% of Si, 2 to 8% of Zn, and at least one of 0.3 to 1.8% of Mn and 0.05 to 0.3% of Ti, with the balance being Al and unavoidable impurities, and the cladding material 2 containing 6 to 13% of Si, with the balance being Al and unavoidable impurities, the cladding material 1 being positioned on the outer side of the aluminum alloy clad sheet during use.

摘要翻译： 用于热交换器的铝合金包覆片包括芯材料，包层材料1和包覆材料2，芯材的一侧和另一侧分别包覆包层材料1和包层材料2，芯体 含有0.5〜1.2％的Si，0.2〜1.0％的Cu和1.0〜1.8％的Mn，余量为Al和不可避免的杂质，包含3〜6％的Si的包层材料1，2〜8％的Si Zn，以及0.3〜1.8％的Mn和0.05〜0.3％的Ti中的至少一种，余量为Al和不可避免的杂质，包层材料2含有6〜13％的Si，余量为Al，不可避免 杂质，包覆材料1在使用期间位于铝合金包覆板的外侧。

公开(公告)号：US20050189047A1

公开(公告)日：2005-09-01

申请号：US11054334

申请日：2005-02-09

申请人： Yoshiharu Hasegawa ,  Tomohiko Nakamura ,  Masaaki Kawakubo ,  Naoki Yamashita ,  Yasunaga Itoh ,  Tatsuya Hikida

发明人： Yoshiharu Hasegawa ,  Tomohiko Nakamura ,  Masaaki Kawakubo ,  Naoki Yamashita ,  Yasunaga Itoh ,  Tatsuya Hikida

IPC分类号： C22F1/04 ,  C22C21/00 ,  C22F1/00 ,  C22C21/02

CPC分类号： C22C21/00 ,  C22F1/04 ,  F28F21/084 ,  F28F2255/16

摘要： A high-strength aluminum alloy extruded product for heat exchangers which excels in extrudability, allows a thin flat multi-cavity tube to be extruded at a high critical extrusion rate, and excel in intergranular corrosion resistance at a high temperature, and a method of manufacturing the same. The aluminum alloy extruded product includes an aluminum alloy including 0.2 to 1.8% of Mn and 0.1 to 1.2% of Si, having a ratio of Mn content to Si content (Mn %/Si %) of 0.7 to 2.5, and having a content of Cu as an impurity of 0.05% or less, with the balance being Al and impurities, the aluminum alloy extruded product having an electric conductivity of 50% IACS or more and an average particle size of intermetallic compounds precipitating in a matrix of 1 μm or less.

摘要翻译： 用于热挤压性优异的热交换器的高强度铝合金挤压制品允许以高临界挤出速率挤出薄平坦多腔管，并且在高温下具有优异的晶间耐腐蚀性，以及制造方法 一样。 铝合金挤压制品包括Mn含量相对于Si含量（Mn％/ Si％）为0.7〜2.5的Mn为0.2〜1.8％，Si为0.1〜1.2％的铝合金，其含量为 Cu为0.05％以下的杂质，余量为Al和杂质，铝合金挤压制品的电导率为50％IACS以上，金属间化合物的平均粒径为1μm以下的基体析出 。

公开(公告)号：US09440315B2

公开(公告)日：2016-09-13

申请号：US13378854

申请日：2010-06-21

申请人： Naoki Yamashita ,  Yasunaga Itoh ,  Yuji Hisatomi

发明人： Naoki Yamashita ,  Yasunaga Itoh ,  Yuji Hisatomi

IPC分类号： B23K35/362 ,  B23K35/28 ,  B23K35/36 ,  C22C21/00 ,  C22C21/02 ,  C22C21/10 ,  C22C21/14 ,  F28F19/02 ,  F28F21/08 ,  F28D21/00

CPC分类号： B21D53/06 ,  B23K35/282 ,  B23K35/3607 ,  B23K35/362 ,  B23K2101/14 ,  C22C21/00 ,  C22C21/02 ,  C22C21/10 ,  C22C21/14 ,  F28D2021/0084 ,  F28D2021/0085 ,  F28F1/00 ,  F28F19/02 ,  F28F19/06 ,  F28F21/084 ,  F28F2275/04

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20100266871A1

公开(公告)日：2010-10-21

申请号：US12798151

申请日：2010-03-29

申请人： Hiroki Matsuo ,  Haruhiko Miyachi ,  Kenji Negura ,  Naoki Yamashita ,  Yuji Hisatomi ,  Yasunaga Itoh

发明人： Hiroki Matsuo ,  Haruhiko Miyachi ,  Kenji Negura ,  Naoki Yamashita ,  Yuji Hisatomi ,  Yasunaga Itoh

IPC分类号： B32B15/20 ,  B32B15/01

CPC分类号： C22C21/02 ,  B32B15/016 ,  C22C21/10 ,  F28D1/0308 ,  F28F19/06 ,  F28F21/089 ,  Y10S165/905 ,  Y10T428/12764

摘要： An aluminum alloy clad sheet for heat exchangers includes a core material, a cladding material 1, and a cladding material 2, one side and the other side of the core material being respectively clad with the cladding material 1 and the cladding material 2, the core material containing 0.5 to 1.2% of Si, 0.2 to 1.0% of Cu, 1.0 to 1.8% of Mn, and 0.05 to 0.3% of Ti, with the balance being Al and unavoidable impurities, the cladding material 1 containing 3 to 6% of Si, 2 to 8% of Zn, and at least one of 0.3 to 1.8% of Mn and 0.05 to 0.3% of Ti, with the balance being Al and unavoidable impurities, and the cladding material 2 containing 6 to 13% of Si, with the balance being Al and unavoidable impurities, the cladding material 1 serving as the outer side of the aluminum alloy clad sheet during use.

摘要翻译： 用于热交换器的铝合金包覆片包括芯材料，包层材料1和包覆材料2，芯材的一侧和另一侧分别包覆包层材料1和包层材料2，芯体 含有0.5〜1.2％的Si，0.2〜1.0％的Cu，1.0〜1.8％的Mn和0.05〜0.3％的Ti，余量为Al和不可避免的杂质，包层材料1含有3〜6％的 Si，2〜8％的Zn，0.3〜1.8％的Mn和0.05〜0.3％的Ti中的至少1种，余量为Al和不可避免的杂质，含有6〜13％的Si的包层材料2， 余量为Al和不可避免的杂质，包覆材料1在使用期间用作铝合金包覆板的外侧。

公开(公告)号：US06849136B2

公开(公告)日：2005-02-01

申请号：US10205595

申请日：2002-07-25

申请人： Yoshiharu Hasegawa ,  Koji Hirao ,  Hiroshi Nishikawa ,  Yasunaga Itoh ,  Naoki Yamashita ,  Shinichi Tani ,  Keiichi Sakai ,  Eiichi Kashima

发明人： Yoshiharu Hasegawa ,  Koji Hirao ,  Hiroshi Nishikawa ,  Yasunaga Itoh ,  Naoki Yamashita ,  Shinichi Tani ,  Keiichi Sakai ,  Eiichi Kashima

IPC分类号： B22D21/04 ,  B22D27/04 ,  B23K1/00 ,  B23K35/02 ,  B23K35/28 ,  B23K101/14 ,  C22C21/00 ,  B23K35/363

CPC分类号： B23K35/0238 ,  B23K35/286 ,  Y10T29/4935

摘要： An object of the present invention is to provide a filler metal for an aluminum brazing sheet for heat exchangers capable of preventing or controlling occurrence of a melting hole during heating for brazing, and a method of manufacturing the same. In an Al—Si alloy filler metal which is clad on the aluminum brazing sheet and melted during heating for brazing, the maximum particle diameter of a coarse Si particle crystallized in the eutectic structure of the filler metal is 20 μm or less. Provided that an average value and a standard deviation in a normal distribution of the particle diameter of the coarse Si particle in the filler metal are respectively μ and σ, (μ+3σ) is preferably 10 μm or less. This brazing sheet is obtained by a method of adding a specific amount of Na, Sr, or Sb to the filler metal, a method of limiting the amount of impurities in the filler metal within a specific range, a method of specifying a cooling rate during the casting of the filler metal, or the like.

摘要翻译： 本发明的目的是提供一种能够防止或控制用于钎焊的加热期间的熔融孔发生的热交换器的铝钎焊板的填充金属及其制造方法。 在铝钎焊片上包覆并在钎焊加热时熔融的Al-Si合金填充金属中，在填充金属的共晶结构中结晶的粗Si颗粒的最大粒径为20μm以下。 假设填充金属中的粗Si颗粒的粒径的正态分布的平均值和标准偏差分别为mu和σ，（mu + 3sigma）优选为10μm以下。 该钎焊片是通过向填充金属添加特定量的Na，Sr或Sb的方法获得的，将填充金属中的杂质量限制在特定范围内的方法，指定冷却速度的方法 填充金属的铸造等。