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    • 1. 发明专利
    • Paste composition for aluminum brazing
    • 用于铝制的喷涂组合物
    • JP2009166122A
    • 2009-07-30
    • JP2008319762
    • 2008-12-16
    • Denso CorpHarima Chem Incハリマ化成株式会社株式会社デンソー
    • AKAZAWA TOMOAKITERUSE MASAKIYANAKA ICHIROTESHIMA SHOEIYAMAMOTO KINYAITO AKIRAMUTO TAKESHI
    • B23K35/363B23K1/19B23K35/22B23K35/28C22C21/00C22C21/02
    • B23K35/0244B23K35/025B23K35/22B23K35/286B23K35/361B23K35/3613B23K35/362
    • PROBLEM TO BE SOLVED: To provide a paste composition for aluminum brazing improved in storage stability and applicability (practically, discharge property and pressure stability by using a dispenser) and brazing property in good balance. SOLUTION: The paste composition for aluminum brazing contains 40 to 65% by weight of a metal powder for brazing (a), 5 to 35% by weight of a fluoride type flux (b), 1 to 10% by weight of a methacrylic acid ester type polymer (c), and 10 to 40% by weight of an organic solvent (d); and the component (d) is a hydrocarbon type organic solvent having no aromatic ring and no hydroxyl group and the composition is in a paste-like state having a viscosity of 6,000 to 200,000 mPa s at 23°C. The aluminum brazing method is a method of brazing the member made of the aluminum, and includes applying the paste composition for aluminum brazing to the member, and heating the member in the state of assembling the member to a prescribed structure. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种提高铝钎焊用糊料组合物,其保存稳定性和适用性(实际上,通过使用分配器的排出性和压力稳定性)和良好的平衡的钎焊性。 解决方案:铝钎焊用糊料组合物含有40〜65重量%的钎焊用金属粉末(a),5〜35重量%的氟化物系焊剂(b),1〜10重量% 甲基丙烯酸酯型聚合物(c)和10〜40重量%的有机溶剂(d); 组分(d)是在23℃下不具有芳环且不含羟基的烃类有机溶剂,其组成为粘度为6000〜200,000mPa·s的糊状状态。 铝钎焊法是对由铝构成的构件进行钎焊的方法,包括将铝钎焊用糊剂组合物涂布到构件上,并将构件的组装加热到规定的结构。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Metallic material for brazing, brazing method and heat exchanger
    • 用于制动,制动方法和热交换器的金属材料
    • JP2009106980A
    • 2009-05-21
    • JP2007282382
    • 2007-10-30
    • Denso CorpLuvata Sweden Abルバータ スウェーデン エービー株式会社デンソー
    • TAKEWAKA SHINSUSA SUMIOIKEDA TORUTESHIMA SHOEIFALKENO ANDERSPALMQVIST ULRIKTAPPER LEIF
    • B23K35/14B23K1/00B23K31/02B23K101/14C22C9/00C23C26/00F28F19/06
    • B23K1/0012B23K1/008B23K1/19B23K35/262B23K35/282B23K35/302B23K2203/12B32B15/01F28F19/06F28F21/089Y10T428/12222
    • PROBLEM TO BE SOLVED: To provide a metallic material for brazing having excellent corrosion resistance and brazing property, and to provide a brazing method and a heat exchanger. SOLUTION: The brazing method is provided for brazing a metallic material 1 for brazing to another metallic material 2. The metallic material for brazing includes a base material portion 10 made of copper or a copper alloy containing chrome 11 by a predetermined amount, and a metallic film portion 20 made of a material having a melting point lower than a heating temperature in brazing, and provided on the surface of the base material portion 10. The brazing method includes: an assembling step of assembling the metallic material 1 for brazing and the another metallic material 2 in a predetermined positional relationship to form an assembly; a brazing step of heating and brazing the assembly, in which the metallic film portion 20 is melted to diffuse chrome 11 into a surface of the metallic material 1 for brazing by performing brazing and heating in an oxidation inhibition atmosphere; and a film forming step of forming a chrome oxide film 30 by using the chrome 11 diffused into the surface of the metallic material 1 for brazing in atmosphere after the brazing step. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有优异的耐腐蚀性和钎焊性的钎焊用金属材料,并提供钎焊方法和热交换器。 解决方案:钎焊方法用于将金属材料1钎焊到另一种金属材料2上。用于钎焊的金属材料包括由铜或含有预定量的铬11的铜合金制成的基材部分10, 以及由熔点低于钎焊加热温度的材料制成的金属膜部分20,并且设置在基材部分10的表面上。钎焊方法包括:组装金属材料1进行钎焊的组装步骤 和另一种金属材料2以预定的位置关系形成组件; 对金属膜部20进行熔融加热钎焊的钎焊工序,通过在氧化抑制气氛中进行钎焊加热,将铬11扩散到金属材料1的表面,进行钎焊; 以及通过使用扩散到金属材料1的表面中的铬11在钎焊步骤之后的大气中钎焊来形成氧化铬膜30的成膜步骤。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Low melting point brazing filler metal for aluminum heat exchanger and method for producing aluminum heat exchanger
    • 用于铝热交换器的低熔点点火填充金属和生产铝热交换器的方法
    • JP2007216267A
    • 2007-08-30
    • JP2006040455
    • 2006-02-17
    • Denso CorpSumitomo Light Metal Ind Ltd住友軽金属工業株式会社株式会社デンソー
    • OGAWA HIROSHITESHIMA SHOEIITO YASUNAGASUZUKI YUJI
    • B23K35/22B23K1/00B23K1/19B23K35/28B23K35/363B23K103/10C22C18/04
    • PROBLEM TO BE SOLVED: To provide a low melting point brazing filler metal for an aluminum heat exchanger, the brazing filler metal which can materialize brazing by low temperature treatment, and allows the amount of use thereof to be reduced than before, and to provide a method for producing the aluminum heat exchanger using the same.
      SOLUTION: When the aluminum heat exchanger composed by joining a plurality of members made of an aluminum alloy is produced, the low melting point brazing filler metal is used for joining the plurality of members and contains a brazing filler metal component composed of zinc alloy particles with an average particle diameter of ≤20 μm and a flux component composed of noncorrosive flux particles with an average particle diameter of ≤20 μm. A blending ratio between the brazing filler metal component and the flux component is 0.6 to 2.0. The zinc alloy particles preferably comprises, by mass, 2 to 6% Al, and the balance Zn with inevitable impurities. The noncorrosive flux particles are preferably composed of a mixed composition of CsF and AlF
      3 .
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种用于铝热交换器的低熔点钎料,可以通过低温处理实现钎焊的钎料,并且其使用量比以前减少,并且 以提供使用该铝热交换器的铝热交换器的制造方法。 解决方案:当制造由铝合金制成的多个构件组成的铝热交换器时,低熔点钎料用于连接多个构件,并且包含由锌构成的钎料组分 平均粒径≤20μm的合金粒子和由平均粒径≤20μm的非腐蚀性助焊剂粒子构成的焊剂成分。 钎料填充金属成分与助焊剂成分的配合比为0.6〜2.0。 锌合金粒子优选以质量计含有2〜6%的Al,余量为不可避免的杂质。 非腐蚀性助焊剂颗粒优选由CsF和AlF 3 SB的混合组合物组成。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Manufacturing method of heat exchanger
    • 热交换器制造方法
    • JP2007192478A
    • 2007-08-02
    • JP2006011712
    • 2006-01-19
    • Denso Corp株式会社デンソー
    • TESHIMA SHOEIKUROYAMA MASUMI
    • F28F9/16B29C65/48B29L31/18F28F9/02
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a heat exchanger free from a problem caused by adhering and bonding the heat exchanger 1 by using a fluid or thermosetting adhesive 23. SOLUTION: The thermosetting adhesive 23 is heated and cured with an attitude that a plurality of adhered/bonded portions approximately opposite to each other are approximately vertically disposed, and the attitude is turned over on the way of heating. By turning over the attitude on the way of heating, a state of formation of a fillet F of an upper bonding portion and a lower bonding portion can be unified, thus the problem caused by adhering and bonding the heat exchanger 1 by using the fluid or thermosetting adhesive 23, such as leakage and insufficient pressure-proof strength caused by lack or incomplete formation of the fillet F on the bonding portion, can be prevented. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决方案:提供一种热交换器的制造方法,其不存在通过使用流体或热固性粘合剂23粘附和接合热交换器1所引起的问题。解决方案:热固性粘合剂23被加热 并且以大致相互相对的多个粘附/接合部分大致垂直设置的姿态固化,并且在加热的过程中翻转姿势。 通过转动加热方式,上接合部和下接合部的圆角F的形成状态可以一体化,因此,通过使用流体粘接和接合热交换器1而引起的问题 可以防止热封性粘合剂23,例如由于接合部上的圆角F的形成不足或不完全而引起的泄漏和耐压强度不足。 版权所有(C)2007,JPO&INPIT