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    • 3. 发明专利
    • High-strength hardened body having excellent corrosion resistance and fatigue resistance
    • 具有优异耐腐蚀性和耐疲劳性的高强度硬化体
    • JP2011117086A
    • 2011-06-16
    • JP2011060986
    • 2011-03-18
    • Aisin Takaoka LtdNippon Steel Corpアイシン高丘株式会社新日本製鐵株式会社
    • SUZUKI SHINICHITOMOKIYO TOSHIMASASOMA HIDEJINAKAJIMA KATSUJIOZAWA MASASHISUZUKI TAKAYUKI
    • C23C2/06
    • PROBLEM TO BE SOLVED: To provide a high-strength hardened body having excellent corrosion resistance and fatigue resistance in which the corrosion resistance of a hardened product is equivalent to or higher than that of a cold-formed product. SOLUTION: A galvanized steel is heated for hot stamp, and formed and hardened to form a high-strength hardened formed body. A galvanized layer consisting mainly of Zn, containing ≥0.15 mass% single Al having the galvannealing delay function and the easily oxidable function, and containing ≥9mass% and ≤30 mass% Fe measured by the following measuring method is formed by ≥30g/m 2 on a steel surface of the formed body after the hardening. In the method for measuring the concentration of Fe in the galvanized layer, the electrolysis is performed to a Γ layer at the point of large change to ≤-800 mVvs.SCE by the constant current electrolysis with a saturated calomel electrode being a reference electrode at 4mA/cm2 in aqueous solution of NH 4 Cl:150g/l, and the amount and the composition ratio of Fe and Zn are measured by ICP of the electrolyte. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种耐腐蚀性和耐疲劳性优异的高强度硬化体,其中硬化产物的耐腐蚀性等于或高于冷成型产品的耐腐蚀性。

      解决方案:将镀锌钢加热进行热压,并形成并硬化以形成高强度硬化成形体。 含有≥0.15质量%具有合金化延时功能的单一Al和容易氧化的功能的含有≥9质量%和≤30质量%Fe的由以下测量方法测量的Fe的镀锌层由≥30g/ m 硬化后的成形体的钢表面上的 2 。 在镀锌层中Fe的浓度测定方法中,通过使用作为参考电极的饱和甘汞电极的恒流电解,在大变化点的〜Γ层进行电解,达到〜800mV·s·sec 4mA / cm 2的NH 4 SBI水溶液:150g / l,通过电解质ICP测量Fe和Zn的量和组成比。 版权所有(C)2011,JPO&INPIT

    • 4. 发明专利
    • High strength hardened molded body having excellent corrosion resistance and fatigue resistance
    • 具有优异耐腐蚀性和耐疲劳性的高强度硬化模体
    • JP2011184797A
    • 2011-09-22
    • JP2011060987
    • 2011-03-18
    • Aisin Takaoka LtdNippon Steel Corpアイシン高丘株式会社新日本製鐵株式会社
    • SUZUKI SHINICHITOMOKIYO TOSHIMASASOMA HIDEJINAKAJIMA KATSUJIOZAWA MASASHISUZUKI TAKAYUKI
    • C23C2/06C21D1/18C21D9/00C22C38/00C22C38/58C23C2/28G01N21/73G01N27/62
    • PROBLEM TO BE SOLVED: To provide a high strength hardened molded body having excellent corrosion resistance and fatigue resistance, in which, in a zinc based plated steel, the corrosion resistance of a molded part after hardening is made equal to or above that of a cold-molded product. SOLUTION: The high strength hardened molded body is obtained by heating a zinc plated-base steel for hot stamping and performing molding and hardening, the surface of the steel of the molded body after the hardening is formed with a galvanizing layer essentially consisting of Zn, and in which the content of Fe is controlled to 9 to 30 mass% by ≥30g/m 2 according to the following measurement method; wherein electrolysis is performed to a Γ layer at a point remarkably changed to ≤-800 mVvs.SCE by constant current electrolysis with a saturated calomel electrode in 4mA/cm 2 as a reference electrode in an aqueous solution of NH 4 Cl: 150 g/l, and, in the electrolytic solution, the contents of Fe and Zn and a compositional ratio are measured by ICP. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有优异的耐腐蚀性和耐疲劳性的高强度硬化成型体,其中在锌基电镀钢中,将硬化后的成型部件的耐腐蚀性等于或高于 的冷成型产品。 解决方案:通过加热用于热冲压的镀锌基钢并进行模塑和硬化来获得高强度硬化的成型体,硬化后的成型体的钢的表面形成有基本上由 的Zn,并且其中根据以下测量方法将Fe的含量控制在9-30质量%≥30g/ m 2 / SP>; 其中通过在饱和甘汞电极中以4mA / cm 2 SP / 2的恒定电流电解作为参考电极,在Γ层中对Γ层进行电解,作为参比电极 NH 3 SB:150g / l,并​​且在电解液中,通过ICP测量Fe和Zn的含量和组成比。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Pressing device for die quenching technique
    • 压力设备用于DIE淬火技术
    • JP2009101378A
    • 2009-05-14
    • JP2007274730
    • 2007-10-23
    • Aisin Takaoka Ltdアイシン高丘株式会社
    • SUZUKI TAKAYUKITANAKA KOICHIRO
    • B21D22/20B21D24/00B21D24/04C21D1/673
    • PROBLEM TO BE SOLVED: To provide a pressing device for a die quenching technique which can achieve improvement of dimensional accuracy of a product and produce a high quality product by avoiding partial contact of a steel material heated to a quenching temperature with a die, and preventing partial contraction of the steel material with a simple structure. SOLUTION: The pressing device for the die quenching technique is used for press-molding the steel material 10 heated to the quenching temperature by using an upper and lower pair of dice 2, 3 and quenching the material. On the upper face of the lower die 3, a plurality of protrusions 4 for placing the heated steel material 10 are provided on both sides of a press die 1 in the width direction thereof with intervals along the longitudinal direction. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于模具淬火技术的压制装置,其可以通过避免加热到淬火温度的钢材与模具的部分接触而实现产品的尺寸精度的提高并产生高质量的产品 并且以简单的结构防止钢材的部分收缩。 解决方案:用于模具淬火技术的压制装置用于通过使用上下一对模子2,3对加热到淬火温度的钢材10进行加压成型,并淬火该材料。 在下模3的上表面上,在压模1的宽度方向的两侧,沿着长度方向间隔设置多个用于放置加热钢材10的突起4。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Cooling system of recirculated exhaust gas in internal combustion engine
    • 内燃机内循环排气的冷却系统
    • JP2009062945A
    • 2009-03-26
    • JP2007233530
    • 2007-09-10
    • Daihatsu Motor Co LtdToyota Motor Corpダイハツ工業株式会社トヨタ自動車株式会社
    • SUZUKI TAKAYUKISHIMOKAWA HIDEAKIKIHIRA KAZUHIDE
    • F02M25/07F28D7/16F28F9/00
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To provide a cooling system of recirculated exhaust gas in which a top header 3 having an exhaust gas inlet chamber 4 leading to a part of heat transfer pipes 2 and an exhaust gas outlet chamber 5 leading from the remaining heat transfer pipes 2 is provided on the upper surface of a chamber 1 containing the plurality of longitudinally-extending heat transfer pipes 2 therein, a lower header 9 is provided on the lower surface of the chamber and a recirculation control valve 10 is disposed between the inlet chamber 4 and the outlet chamber 5, and capable of being reduced in weight and size and improving the durability of the recirculation control valve 10.
      SOLUTION: A cooling water jacket 13 for the recirculation control valve 10 is provided so that part of cooling water at the upper portion of the chamber 1 flows out via the cooling water jacket. A cooling water inlet 14 through which the cooling water flows into the chamber 1 is formed at the upper portion of the chamber and a cooling water outlet 15 through which the cooling water flows out of the chamber 1 is formed at the lower portion of the chamber.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种再循环废气的冷却系统,其中具有通向导热管2的一部分的排气入口室4的顶部集管3和从其余部分导出的废气出口室5 传热管2设置在容纳多个纵向延伸的传热管2的腔室1的上表面上,下部集管9设置在腔室的下表面上,并且再循环控制阀10设置在 入口室4和出口室5,并且能够减小重量和尺寸并提高再循环控制阀10的耐久性。解决方案:提供了一种用于再循环控制阀10的冷却水套13, 在室1的上部的冷却水通过冷却水套流出。 在室的上部形成有冷却水流入室1的冷却水入口14,在室1的下部形成冷却水从室1流出的冷却水出口15 。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Egr pipe
    • EGR管
    • JP2009068377A
    • 2009-04-02
    • JP2007235765
    • 2007-09-11
    • Daihatsu Motor Co LtdToyota Motor Corpダイハツ工業株式会社トヨタ自動車株式会社
    • SUZUKI TAKAYUKIKIHIRA KAZUHIDE
    • F02M25/07
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To provide EGR pipe arrangement capable of improving quality and reliability of a welded part by inhibiting influence of radiation heat from a bellows section on a peripheral part such as pipe arrangement for cooling water positioned outside a heat insulation board and preventing the occurrence of a crack due to thermal fatigue in the welded part for attaching the heat insulation board to EGR pipes.
      SOLUTION: In the EGR pipe arrangement 1 connecting an exhaust system and an intake system, on the downstream side of the bellows section 4 arranged in the middle of the pipe passage of the EGR pipes 2, 3 for taking out exhaust gas from the exhaust system, the heat insulation board 5 covering at least one side surface of the bellows part is attached by welding.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供能够通过抑制来自波纹管部分的辐射热对位于隔热板外部的用于冷却水的管道布置的周边部分的影响来提供焊接部件的质量和可靠性的EGR管装置 并且防止在用于将隔热板附接到EGR管的焊接部中发生由于热疲劳引起的裂纹。 解决方案:在连接排气系统和进气系统的EGR管装置1中,在布置在EGR管2,3的管道中间的波纹管部分4的下游侧,用于从 排气系统,覆盖波纹管部的至少一个侧面的隔热板5通过焊接进行安装。 版权所有(C)2009,JPO&INPIT