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1. 发明专利

JP2004300472A Nitriding steel component capable of obtaining high surface hardness and deep hardening depth by nitriding treatment in short time, and production method therefor 有权
公开(公告)号：JP2004300472A
公开(公告)日：2004-10-28
申请号：JP2003092083
申请日：2003-03-28
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： NISHIKAWA TOMOAKI , SUMITA ISAO , ITO YUKIO , YAMAMOTO IZURU , AIHARA HIDEO , OZAWA SHUJI
IPC分类号： C23C8/26 , C21D1/06 , C21D6/00 , C22C38/00 , C22C38/28 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To secure high surface hardness in a nitriding steel component even if a nitriding treatment temperature is raised, and to attain the remarkable reduction of treatment time by high temperature treatment.
SOLUTION: The nitriding steel component is obtained by subjecting a steel having a composition comprising, by weight, 0.05 to 0.20% C,

2. 发明专利

JP2006022351A Precipitation hardening type nitrided steel component and production method therefor 审中-公开
标题翻译：降低型硬化型钢组件及其生产方法
公开(公告)号：JP2006022351A
公开(公告)日：2006-01-26
申请号：JP2004199560
申请日：2004-07-06
申请人： Aichi Steel Works Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社
发明人： NISHIKAWA TOMOAKI , SUMITA ISAO , ITO YUKIO , YAMAMOTO IZURU
IPC分类号： C22C38/00 , C21D1/06 , C21D6/00 , C22C38/28 , C22C38/50 , C23C8/26
摘要： PROBLEM TO BE SOLVED: To provide a nitrided steel component and a production method therefor which enable high surface hardness to be secured even if nitriding treatment temperature is increased, and realize remarkable reduction of treatment time by high temperature treatment.
SOLUTION: The nitrided steel component is obtained by subjecting a steel having a composition comprising 0.02 to 0.10% C, ≤1.50% Si, ≤1.00% Mn, 0.50 to 1.50% Cr, ≤0.040% Al, ≤0.0100% N, 0.25 to 0.45% P and 0.30 to 1.00% Ti, and satisfying Ti-4×C-3.4N≥0.20, and the balance Fe with impurity elements to nitriding treatment, and the nitrided steel component has a tempered martensitic structure after the nitriding treatment, and also has a surface hardness of ≥650 by Hv.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：为了提供即使氮化处理温度升高也能够确保高表面硬度的氮化钢部件及其制造方法，并且通过高温处理实现显着减少处理时间。解决方案：氮化钢成分是通过使含有0.02〜0.10％C，≤1.50％Si，≤1.00％Mn，0.50〜1.50％Cr，≤0.040％Al，≤0.0100％N ，0.25〜0.45％的P和0.30〜1.00％的Ti，并且满足Ti-4×C-3.4N≥0.20，余量为Fe与杂质元素进行氮化处理，氮化钢成分在氮化后具有回火马氏体组织处理，并且Hv具有≥650的表面硬度。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006022350A High strength bainite type nitrided component and its production method 有权
标题翻译：高强度白云石型氮化物组分及其生产方法
公开(公告)号：JP2006022350A
公开(公告)日：2006-01-26
申请号：JP2004199559
申请日：2004-07-06
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： FUJIWARA TERUMOTO , NISHIKAWA TOMOAKI , SUMITA ISAO , ITO YUKIO , YAMAMOTO IZURU , AIHARA HIDEO , OCHI TATSURO
IPC分类号： C22C38/00 , B21J1/06 , B21J5/00 , C21D1/06 , C21D9/32 , C22C38/60 , C23C8/26
摘要： PROBLEM TO BE SOLVED: To provide a nitrided component capable of obtaining strength close to that of a carburized component even in the case nitriding treatment is performed under the conditions where the formation of a compound layer causing its expansion and made into an obstacle to the attainment of low strain is suppressed as far as possible.
SOLUTION: The high strength bainite type nitrided component has components comprising 0.20 to 0.30% C, ≤0.25% Si, 1.00 to 2.00% Cr, 0.10 to 0.10 to 0.20% Al, ≤0.10% Ti and 0.0060 to 0.020% N, satisfying 18
摘要翻译：要解决的问题：为了提供能够获得接近渗碳部件的强度的氮化部件，即使在渗透处理的情况下，在形成引起其膨胀并形成障碍物的化合物层的条件下进行尽可能地抑制低应变的实现。解决方案：高强度贝氏体型氮化组分具有包含0.20-0.30％C，≤0.25％Si，<0.50％Mn，≤0.03％P，≤0.05％S，> 1.00-2.00％Cr，0.10- <0.50％Mo，0.10〜0.50％V，0.10〜0.20％Al，≤0.10％Ti，0.0060〜0.020％N，满足18 <27C + 9Mn + 7Cr + 8Mo，22 <37C + 6Mn + 8Cr + 11V，平衡Fe与杂质元素，具有贝氏体组成，其中贝氏体组织的平均包装尺寸≤10μm，经高压渗氮处理后的表面硬度≥650，淬火深度≥0.2mm，表面层中化合物层的平均厚度≤1μm。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2004300473A Steel for cold forging having excellent nitriding property, and production method therefor 有权
公开(公告)号：JP2004300473A
公开(公告)日：2004-10-28
申请号：JP2003092084
申请日：2003-03-28
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： NISHIKAWA TOMOAKI , SUMITA ISAO , ITO YUKIO , AIHARA HIDEO , YAMAMOTO IZURU , OZAWA SHUJI
IPC分类号： C21D8/06 , C22C38/00 , C22C38/28 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To remarkably improve the service lives of a die and a punch on cold forging by reducing loads thereon because of the low deformation resistance and high critical working ratio of a steel, and also to obtain high surface hardness and deep hardening depth therein by nitriding treatment in a short period of time.
SOLUTION: The hot-rolled steel has a composition consisting of, by weight, 0.05 to 0.20% C,

5. 发明专利

JP2011106308A Exhaust gas purification device 审中-公开
标题翻译：排气净化装置
公开(公告)号：JP2011106308A
公开(公告)日：2011-06-02
申请号：JP2009260334
申请日：2009-11-13
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： MITSUHAYASHI MASAHIKO , SHIMODA KENJI , YAMAMOTO IZURU , MITSUHARU FUMIO , HIGASHIYAMA KIYOSHI
IPC分类号： F01N3/20
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purification device which has electrodes excellent in heat resistance, oxidation resistance under a high temperature, and corrosion resistance in an exhaust gas atmosphere.
SOLUTION: The exhaust gas purification device 1 includes a carrier 20 which supports a catalyst, and the electrodes 30, 40 provided on an outer surface of carrier 20, wherein the carrier 20 is heated by energization through the electrodes 30, 40 to raise the temperature of catalyst up to the activity temperature. The electrodes 30, 40 comprise one alloy selected from Co-Ni-Cr alloy, Co-Mo alloy, Ni-Cr alloy, Ni-Cr-Mo, and Fe-Ni-Cr alloy.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种排气净化装置，其具有耐热性优异，高温下的耐氧化性和排气气氛中的耐腐蚀性的电极。解决方案：废气净化装置1包括支撑催化剂的载体20和设置在载体20的外表面上的电极30,40，其中载体20通过通过电极30,40的通电而被加热到将催化剂的温度升高到活性温度。电极30,40包含选自Co-Ni-Cr合金，Co-Mo合金，Ni-Cr合金，Ni-Cr-Mo和Fe-Ni-Cr合金中的一种合金。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2011097745A Method for manufacturing steel material with non-magnetically modified phase 审中-公开
标题翻译：用非制动型相变制钢材料的方法
公开(公告)号：JP2011097745A
公开(公告)日：2011-05-12
申请号：JP2009249312
申请日：2009-10-29
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TSUNODA KEISUKE , SHIMIZU TAKUYA , YAMAMOTO IZURU
IPC分类号： H02K15/03 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a steel material of improved quality with non-magnetically modified phase.
SOLUTION: The method for manufacturing the steel material with non-magnetically modified phase includes: forming a space 20 inside by stacking a plurality of steel materials 1; putting a modified metal 3 into the space 20; energizing and pressurizing the stacked steel materials 1 using a pair of electrodes 5 interposed in a stacking direction at a location of the modified metal 3, and melting the modified metal 3 together with a part of the surrounding steel materials 1 to form the non-magnetically modified phase. In this method, the steel material includes the modified metal 3 which is larger in a direction of being pressurized by the electrodes 5 than the space 20.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种用非磁性改性相制造质量提高的钢材的方法。解决方案：用于制造具有非磁性改性相的钢材的方法包括：通过堆叠多个钢材1而在内部形成空间20; 将改性金属3放入空间20中; 使用在改性金属3的位置上沿堆叠方向插入的一对电极5对堆叠的钢材1进行加压和加压，并且与周围的钢材1的一部分一起熔融改性金属3以形成非磁性改性相。在该方法中，钢材包括在比空间20被电极5加压的方向上更大的改性金属3.版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2011012335A Carburizing method 审中-公开
标题翻译：加碳方法
公开(公告)号：JP2011012335A
公开(公告)日：2011-01-20
申请号：JP2009160038
申请日：2009-07-06
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： INAGAKI KOJI , YAMAMOTO IZURU , KOYAMA YASUHIRO , SHIMADA TAKEYUKI
IPC分类号： C23C8/22 , C21D1/06 , C21D3/04
摘要： PROBLEM TO BE SOLVED: To provide a carburizing method for controlling excess carburizing to a prescribed part of a workpiece that consists of a steel material, wherein the entire treatment time is shortened.SOLUTION: The carburizing method for impregnating the workpiece 1 consisting of a steel material with carbon and diffusing includes a decarburization process S1 of subjecting an optional part of the workpiece 1 to a decarbonizing treatment to obtain the workpiece 1 with the optional part decarbonized, and a carburization process S2 of subjecting the decarbonized workpiece 1 to a carburizing treatment.
摘要翻译：要解决的问题：提供一种渗碳方法，用于控制由钢材组成的工件的规定部分的过度渗碳，其中整个处理时间缩短。溶液：用于浸渍由钢组成的工件1的渗碳方法具有碳和扩散的材料包括对工件1的任选部分进行脱碳处理以获得具有脱碳任选部分的工件1的脱碳工艺S1和对脱碳工件1进行渗碳处理的渗碳工艺S2。

8. 发明专利

JP2009270155A Nitriding quenching method and nitrided quenched part 审中-公开
标题翻译：硝化QU ING ING METHOD。。。。。。。。。。。
公开(公告)号：JP2009270155A
公开(公告)日：2009-11-19
申请号：JP2008121592
申请日：2008-05-07
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： YAMAMOTO IZURU
IPC分类号： C23C8/26 , C21D1/06
摘要： PROBLEM TO BE SOLVED: To provide a nitriding quenching method which can obtain a desired nitrogen penetration depth in a short time instead of the conventional nitriding quenching treatment where, since treatment has been performed at ≥600°C over the whole process of the treatment, nitrogen penetration velocity to the surface of a workpiece is slow, and a long time has been required for obtaining a desired nitrogen penetration depth, and to provide a nitrided quenched part.
SOLUTION: Disclosed is a nitriding quenching method where nitrogen is penetratively diffused into a workpiece composed of iron or an iron alloy, and further, quenching is performed. A workpiece is installed in a heat treatment furnace to be fed with an ammonia gas, the temperature in the heat treatment furnace is increased to a temperature Ta in a ferrite region of the workpiece, so as to be held for a prescribed time t1, thereafter, the temperature in the heat treatment furnace is increased to a temperature Tb in an austenite region of the workpiece, so as to be held for a prescribed time t2, and subsequently, the workpiece is rapidly cooled and is quenched.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在短时间内可以获得期望的氮渗透深度的氮化淬火方法，而不是常规的氮化淬火处理，因为在≥600℃下在整个过程中进行处理对工件表面的处理，氮渗透速度慢，为获得所需的氮渗透深度需要很长时间，并提供氮化淬火部分。解决方案：公开了一种氮化淬火方法，其中氮气渗透扩散到由铁或铁合金构成的工件中，并进一步进行淬火。将工件安装在热处理炉内供给氨气的同时，将热处理炉内的温度升高到工件的铁素体区域的温度Ta，然后保持规定时间t1 ，将热处理炉中的温度升高到工件的奥氏体区域的温度Tb，保持规定时间t2，随后将工件快速冷却并骤冷。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009132249A Torsion beam type suspension 审中-公开
标题翻译：扭转梁类型悬挂
公开(公告)号：JP2009132249A
公开(公告)日：2009-06-18
申请号：JP2007309346
申请日：2007-11-29
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： YAMAMOTO IZURU
IPC分类号： B60G9/04
摘要： PROBLEM TO BE SOLVED: To propose a torsion beam type suspension capable of preventing abnormal sound from a torsion beam with a simple and easy configuration.
SOLUTION: The torsion beam type suspension 1 is equipped with a pair of trailing arms 10 each of which has one end supported by a vehicle body and the other end provided with a wheel supporting part 16, and a torsion beam 2 with both end parts respectively connected to the trailing arms 10 and arranged in the width direction of the vehicle body. The torsion beam 2 is composed of a pipe member P welded in the axial direction to form a generally cylindrical cross section and having projection-like weld flash 22a which is formed during welding and remains on an inner wall side of a welding part 22. The welding part 22 of the pipe member P is positioned on an outside top part 24a, an axial direction intermediate part is crushed from the radial direction and formed in a generally V-shaped cross section, and the weld flash 22a of the welding part 22 is bit by the facing inner wall surface to fix the outside top part 24a and an inside top part 24b.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提出一种能够以简单且容易的构造来防止来自扭转梁的异常声音的扭力梁式悬架。解决方案：扭力梁式悬架1装备有一对拖臂10，每个拖臂10具有由车身支撑的一端，另一端设置有车轮支撑部16，并且具有两个的扭力梁2 分别连接到拖臂10并沿车体的宽度方向布置的端部。扭转梁2由沿轴向焊接的管状构件P构成，形成大致圆筒状的截面，并具有在焊接时形成的突起状焊接闪光部22a，并保持在焊接部22的内壁侧。管构件P的焊接部22位于外侧顶部24a上，轴向中间部从径向被破碎并形成为大致V字状的截面，焊接部22的焊接闪光22a 通过面对的内壁表面固定外侧顶部24a和内侧顶部24b。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2004315863A Method and apparatus for hardening with laser beam 审中-公开
标题翻译：用激光束硬化的方法和装置
公开(公告)号：JP2004315863A
公开(公告)日：2004-11-11
申请号：JP2003109240
申请日：2003-04-14
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ONOME HIROHISA , YAMAMOTO IZURU , TSUNODA KEISUKE
IPC分类号： C21D1/09
摘要： PROBLEM TO BE SOLVED: To provide a method for hardening with laser beam with which a comparatively thick (deep) hardened layer in a material to be processed can be formed with a simple operation.
SOLUTION: In this hardening method with the laser beam, the material 1 to be processed is disposed into cooling medium (for example, water) 7 through which the laser beam 5 permeates. The material 1 is irradiated with the laser beam 5 while permeating this cooling medium 7 and the hardened layer 1c is formed on the portion 1b irradiated with the laser beam by rapidly cooling with the cooling medium 7 surrounding the portion 1b irradiated with the laser beam. In this time, it is desirable that the cooling medium 7 is under flowing state. Further, it is desirable that the material 1 is irradiated with the laser beam 5 from a prescribed direction to the rotated material 1 while rotation-shifting the material 1.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用激光束硬化的方法，通过该方法可以以简单的操作形成待处理材料中相对较厚（深）的硬化层。解决方案：在这种激光束的硬化方法中，待处理的材料1被放置在激光束5透过的冷却介质（例如水）7中。材料1在透过该冷却介质7的同时照射激光束5，并且通过用围绕被激光束照射的部分1b的冷却介质7快速冷却，在被激光束照射的部分1b上形成硬化层1c。此时，希望冷却介质7处于流动状态。此外，期望材料1在旋转移动材料1的同时将激光束5从规定的方向照射到旋转的材料1。版权所有（C）2005，JPO＆NCIPI

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