专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2010229516A Powder forging having excellent fatigue strength, powdery mixture for powder forging and fracture split type connecting rod 有权
$Powder forging having excellent fatigue strength, powdery mixture for powder forging and fracture split type connecting rod$
标题翻译：粉末锻造具有优异的疲劳强度，用于粉末锻造和破碎分离类型连接棒的粉末混合物
公开(公告)号：JP2010229516A
公开(公告)日：2010-10-14
申请号：JP2009079660
申请日：2009-03-27
申请人： Honda Motor Co Ltd , Kobe Steel Ltd , 本田技研工業株式会社 , 株式会社神戸製鋼所
发明人： SATO MASAAKI , TAKADA MINORU , AKAGI NOBUAKI , KOGURE RYOSUKE , TAKADA KENTARO
IPC分类号： C22C33/02 , B21J5/00 , B21K1/14 , B22F3/16 , B22F5/00 , C22C38/00 , C22C38/16 , F16C7/02
摘要： PROBLEM TO BE SOLVED: To provide a powder forging which can obtain excellent fatigue properties satisfying a fatigue limit of ≥400N/mm
2 while securing sufficient machinability and toughness even without adding expensive elements; to provide a powder mixture which is used as the raw material of the powder forging; and to provide a fracture split type connecting rod which is produced using the powder forging.
SOLUTION: The powder forging has a true density ratio of ≥97% and has a componential composition containing, by mass, 0 to 0.45% C, 0.5 to 4% Cu and 0.1 to 0.7% P, and the balance iron with inevitable impurities, and in which the content of C, Cu and P satisfies the conditional expression of [Cu]+22[C]+28[P]>14, wherein [ ] represents the content (mass%) of each element.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使不添加昂贵的元素，也能够确保足够的机械加工性和韧性，从而能够获得满足疲劳极限≥400N/ mm 2 的优异的疲劳特性的粉末锻造。以提供用作粉末锻造原料的粉末混合物; 并提供使用该粉末锻造制造的断裂分裂型连杆。解决方案：粉末锻造具有≥97％的真实密度比，并且具有以质量计含有0至0.45％C，0.5至4％Cu和0.1至0.7％P的组成成分，余量为不可避免的杂质，其中C，Cu和P的含量满足[Cu] +22 [C] +28 [P]> 14的条件表达式，其中[]表示各元素的含量（质量％）。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010255116A Method for producing modified green compact, and powder magnetic core obtained by the production method 有权
标题翻译：生产改性绿色复合材料的方法和生产方法获得的粉末磁芯
公开(公告)号：JP2010255116A
公开(公告)日：2010-11-11
申请号：JP2010077301
申请日：2010-03-30
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUZUKI JUN , YANAGISAWA KAZUMI , OWAKI TAKESHI , MITANI HIROYUKI , HOJO TAKAFUMI , AKAGI NOBUAKI
IPC分类号： B22F3/00 , B22F1/02 , B22F3/10 , B22F3/24 , H01F1/24 , H01F1/26 , H01F1/33 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a green compact for a powder magnetic core whose mechanical strength is more excellent.
SOLUTION: The method for producing a modified green compact is characterized in that a green compact obtained by compressing an iron-based soft magnetic powder having a phosphoric acid chemical conversion coating film is brought into contact with water in a supercritical state.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供机械强度更优异的粉末磁芯的生坯。解决方案：改性生坯的制造方法的特征在于，将具有磷酸化学转化膜的铁基软磁性粉末压缩得到的生坯与超临界状态的水接触。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2009120915A Iron powder for powder magnetic core and production method therefor 有权
标题翻译：用于粉末磁芯的铁粉及其生产方法
公开(公告)号：JP2009120915A
公开(公告)日：2009-06-04
申请号：JP2007297431
申请日：2007-11-16
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： IDO HIDEKAZU , HAMAGUCHI MAKI , MITANI HIROYUKI , AKAGI NOBUAKI , HOJO TAKAFUMI
IPC分类号： B22F1/02 , B22F1/00 , H01F1/24 , H01F1/26 , H01F3/08
摘要： PROBLEM TO BE SOLVED: To provide an iron powder for a powder magnetic core, which has an insulation layer with high heat resistance thereon.
SOLUTION: The iron powder for the powder magnetic core has the insulation layer on its surface, which is substantially formed from a condensed phosphate, or a condensed phosphate and a hydrogen phosphate. The insulation layer can contain a small amount of talc. The condensed phosphate is preferably condensed ammonium phosphate, and the hydrogen phosphate is preferably ammonium hydrogenphosphate. The insulation film is formed on the surface of the iron powder by mixing the iron powder and an aqueous solution of the hydrogen phosphate, and heating and drying the mixture at 190°C or higher to cause a melt and condensation reaction in the hydrogen phosphate. The deposition amount of the insulation film is preferably 1 to 10 g with respect to the iron powder of 1 kg. Even after the iron powder for the powder magnetic core has been compacted and has been heated and annealed at the temperature of 600°C or higher, the compact can maintain a high specific resistance value.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种粉末磁芯的铁粉，其具有在其上具有高耐热性的绝缘层。解决方案：用于粉末磁芯的铁粉在其表面上具有基本上由缩合磷酸盐，或缩合磷酸盐和磷酸氢盐形成的绝缘层。绝缘层可以含有少量的滑石。缩合磷酸盐优选为磷酸氢铵，磷酸氢盐优选为磷酸氢铵。通过混合铁粉和磷酸氢钠水溶液，在铁粉表面形成绝缘膜，并在190℃以上加热干燥混合物，在磷酸氢盐中引起熔融缩合反应。相对于1kg的铁粉，绝缘膜的沉积量优选为1〜10g。即使用于粉末磁芯的铁粉已经被压实并且在600℃或更高的温度下被加热和退火，该成型体也可以保持高的比电阻值。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008066665A Powder for dust core, dust core and their production process 审中-公开
标题翻译：粉煤灰，粉煤灰及其生产工艺
公开(公告)号：JP2008066665A
公开(公告)日：2008-03-21
申请号：JP2006245888
申请日：2006-09-11
申请人： Asmo Co Ltd , Hitachi Powdered Metals Co Ltd , Kobe Steel Ltd , アスモ株式会社 , 日立粉末冶金株式会社 , 株式会社神戸製鋼所
发明人： MITANI HIROYUKI , AKAGI NOBUAKI , HOJO TAKAFUMI , ISHIHARA CHIO , IWAKIRI MAKOTO , YAMADA SOHEI , JIKO YASUKUNI
IPC分类号： H01F1/44 , B22F1/02
摘要： PROBLEM TO BE SOLVED: To provide powder for dust core with which a high quality core is produced when a dust core is pressure molded using soft magnetic powder coated with phenol resin as a material by filling a die smoothly with the material powder without melting resin even if the material powder is preheated near the molding temperature.
SOLUTION: Surface of soft magnetic powder is coated with phenol resin and/or silicon resin at a rate of 0.01-0.5% for the weight of the powder wherein the coating resin contains S: 0.001-0.05%, and/or P: 0.005-0.2% for the total weight of soft magnetic powder containing the resin. When fluidity test is performed in a temperature range of 110-150°C, the powder for dust core exhibits such a fluidity as (a) the powder flows without stopping under nonvibration state or (b) even if the flow is stopped, the powder flows without stopping after a vibration is imparted.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供使用以酚醛树脂作为材料的软磁性粉末作为材料来压制成型时产生高质量铁心的粉尘芯的粉末，通过与材料粉末平滑地填充模具而没有即使材料粉末在成型温度附近被预热，也会熔化树脂。＆lt; P＆gt;解决方案：涂覆树脂含有S：0.001-0.05％的粉末的重量，软骨粉末的表面以0.01-0.5％的比例涂覆酚醛树脂和/或硅树脂，和/或P ：含有树脂的软磁性粉末的总重量为0.005-0.2％。当在110-150℃的温度范围内进行流动性测试时，粉尘粉末的粉末表现出如下流动性：（a）粉末在非振动状态下停止流动，或（b）即使流动停止，粉末在施加振动后不停止地流动。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2011114331A Method of manufacturing dust core, and dust core obtained by the manufacturing method 有权
标题翻译：制造粉芯的方法和制造方法获得的颗粒
公开(公告)号：JP2011114331A
公开(公告)日：2011-06-09
申请号：JP2009272525
申请日：2009-11-30
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： OWAKI TAKESHI , YANAGISAWA KAZUMI , HOSOKAWA MAMORU , KAMIJO TOMOTSUNA , AKAGI NOBUAKI
IPC分类号： H01F41/02 , B22F1/02 , B22F3/00 , B22F3/24 , H01F1/24 , H01F27/255
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a dust core that has superior mechanical strength and maintains electric insulation even when a high-temperature heat treatment is performed. SOLUTION: The method of manufacturing the dust core by compacting iron-based soft magnetic powder for the dust core having a phosphate conversion coating on an iron-based magnetic powder surface and then heat-treating the green compact is characterized in that the heat treatment temperature is ≥550°C, the heat treatment time is longer than 20 minutes, and the compact obtained by subjecting the green compact to the heat treatment is cooled in a liquid agency. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供即使在进行高温热处理的情况下也能够制造具有优异的机械强度并且保持电绝缘性的防尘芯的方法。解决方案：通过在铁基磁性粉末表面上压制具有磷酸盐转化涂层的粉芯的铁基软磁性粉末，然后对生坯进行热处理，制造压粉芯的方法的特征在于，热处理温度≥550℃，热处理时间长于20分钟，通过对生坯进行热处理得到的成形体进行液体冷却。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010047788A Iron base alloy water atomized powder and method for producing the iron base alloy water atomized powder 审中-公开
标题翻译：铁基合金水原子粉及其生产铁基合金水原子粉的方法
公开(公告)号：JP2010047788A
公开(公告)日：2010-03-04
申请号：JP2008210935
申请日：2008-08-19
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MITANI HIROYUKI , AKAGI NOBUAKI , HOJO TAKAFUMI , TANIGUCHI YUJI
IPC分类号： B22F9/08 , B22F1/00 , B22F1/02 , B22F9/04 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide iron base alloy water atomized powder provided with the effect characteristic of water atomized powder that the strength of the powder magnetic core to be formed is high, further can reduce coercive force and hysteresis loss proportional to the coercive force, and can produce the powder magnetic core with high efficiency.
SOLUTION: The iron base alloy water atomized powder has a composition comprising at least one kind of element selected from the group consisting of Al, Si, Ti, Cr, Mo and Ge, and the balance Fe with inevitable impurities, and in which the average crystal grain size thereof is ≥50 μm and the number of nitrogen compounds with an aspect ratio of ≥10 present in the surface layer region from the surface to 10 μm is ≤10 pieces per 100 μm
2 of the cross-sectional area in the surface layer. Further, the total content of the respective elements is ≤15 at.%.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有水雾化粉末的效果的铁基合金水雾化粉末，即要形成的粉末磁芯的强度高，进一步可以降低矫顽力和滞后损耗与矫顽力，可以高效率生产粉末磁芯。解决方案：铁基合金水雾化粉末具有包含选自Al，Si，Ti，Cr，Mo和Ge中的至少一种元素，余量为不可避免的杂质的组成，其平均晶粒尺寸≥50μm，表面层区域中的长宽比≥10°的氮化合物的数目从表面到10μm是≤10个/100μmSP >表面层的横截面积。此外，各元素的总含量为≤15原子％。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009038256A Iron-based soft magnetic powder for dust core, and dust core 有权
标题翻译：基于铁的软磁粉，用于颗粒和芯体
公开(公告)号：JP2009038256A
公开(公告)日：2009-02-19
申请号：JP2007202194
申请日：2007-08-02
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MITANI HIROYUKI , AKAGI NOBUAKI , HOJO TAKAFUMI
IPC分类号： H01F1/24 , B22F1/02 , C22C38/00
CPC分类号： H01F3/08 , B22F1/02 , B22F2998/10 , C22C33/02 , C22C2202/02 , H01F1/24 , H01F1/26 , H01F41/0246 , B22F9/08 , B22F1/025 , B22F1/0059 , B22F3/02
摘要： PROBLEM TO BE SOLVED: To provide an iron-based soft magnetic powder for a dust core with excellent thermal stability, which has excellent mechanical strength and can achieve effective insulation between iron-based soft magnetic powder particles even when high-temperature heat treatment called bond strengthening treatment is not added and high-density molding is performed, and can maintain good electrical insulation even when stress-relief annealing is performed; and a dust core using the powder.
SOLUTION: A coating film composed of Fe and Co, a phosphoric acid chemical conversion coating film, and a silicone resin coating film are sequentially formed in this order on the surface of the iron-based soft magnetic powder.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有优异的热稳定性的用于粉尘芯的铁基软磁性粉末，其具有优异的机械强度，并且即使在高温热时也可以实现铁基软磁性粉末颗粒之间的有效绝缘不添加称为结合强化处理的处理，进行高密度成型，即使进行应力消除退火也能够保持良好的电绝缘性; 和使用该粉末的防尘芯。解决方案：在铁基软磁性粉末的表面上依次形成由Fe和Co组成的涂膜，磷酸化学转化膜和有机硅树脂涂膜。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008231443A Powder for powder magnetic core, powder magnetic core and method for producing the same 有权
标题翻译：用于粉末磁芯的粉末，粉末磁芯及其制造方法
公开(公告)号：JP2008231443A
公开(公告)日：2008-10-02
申请号：JP2007067978
申请日：2007-03-16
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： HAMAGUCHI MAKI , IDO HIDEKAZU , MITANI HIROYUKI , AKAGI NOBUAKI , HOJO TAKAFUMI
IPC分类号： B22F1/00 , B22F3/00 , B22F3/02 , H01F1/20
摘要： PROBLEM TO BE SOLVED: To provide a raw material powder consisting essentially of a soft magnetic powder such as iron powder and iron based alloy powder, which has an electric resistance capable of sufficiently suppressing the generation of eddy current among grains, gives sufficient strength to a compression molded body as well, further exhibits high strength even under the high temperature conditions of about ≥100°C, and additionally, can produce a powder magnetic core of high performance without requiring a complicated oxidation prevention countermeasure or the like, i.e., a powder for a powder magnetic core; to provide a powder magnetic core using the powder; and to provide a method for producing the same.
SOLUTION: The powder for the powder magnetic core contains phenol resin fine powder of 0.1 to 1 pts.mass and a lubricant of 0.1 to 1 pts.mass having a melting point of 30 to 80°C, and further the salt of a nitrogen-containing basic compound of 0.05 to 0.5 pts.mass as a reinforcing additive, based on 100 pts.mass of a soft magnetic powder.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种基本上由铁粉和铁基合金粉末等软磁性粉末组成的原料粉末，其具有能够充分抑制晶粒中涡流产生的电阻，足够对于压缩成型体的强度也是如此，即使在约≥100℃的高温条件下也能够显示高强度，另外，可以制造高性能的粉末磁芯，而不需要复杂的防氧化对策等粉末磁芯粉末; 使用粉末提供粉末磁芯; 并提供其制造方法。解决方案：粉末磁芯的粉末含有0.1至1重量份的酚醛树脂细粉和熔点为30至80℃的0.1至1重量份的润滑剂，进一步的盐基于100质量份的软磁性粉末，作为增强添加剂的0.05〜0.5重量份的含氮碱性化合物。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2014196553A 粉末冶金用バインダー、および粉末冶金用混合粉末、並びに焼結体有权
标题翻译：粉末冶金粉末混合粉末冶金和烧结体
公开(公告)号：JP2014196553A
公开(公告)日：2014-10-16
申请号：JP2014011096
申请日：2014-01-24
申请人：株式会社神戸製鋼所 , Kobe Steel Ltd
发明人： ITO YOSHIHIRO , YOSHIKAWA EIICHIRO , AKAGI NOBUAKI , SATO MITSUHIRO
IPC分类号： B22F3/02 , B22F1/00 , B22F1/02 , C22C38/00 , C22C38/58
CPC分类号： C08L33/02 , B22F1/00 , B22F1/0059 , B22F3/12 , C08L23/20 , C22C33/02 , C22C38/00
摘要：【課題】本発明は偏析や発塵の抑制に優れた効果を有するだけでなく、常温と高温のいずれでも優れた流動性を有するバインダーを提供すること。【解決手段】本発明は、鉄基粉末と副原料粉末とを含む粉末冶金用混合粉末に配合して使用されるバインダーであって、前記バインダーは融点が50℃以上85℃以下、且つ、190℃での加熱溶融流動性が2.0g/10分以上3.6g/10分以下を有するブテン系重合体、および重量平均分子量が1,000,000以下のメタクリル酸系重合体から選択される1種以上であること。【選択図】なし
摘要翻译：要解决的问题：提供一种具有优异的抑制偏析和粉尘发射的效果的粘结剂，并且在常温和高温下具有优异的流动性。解决方案：粘合剂包括铁基粉末和辅助材料粉末具有粉末冶金用混合粉末，由选自熔点为50-85℃的丁烯基聚合物和190℃的加热熔体流动性为2.0-3.6g / 10min的一种或多种组成，甲基丙烯酸 - 基于聚合物的重均分子量为1,000,000以下。

10. 发明专利

JP2012111993A Atomization device 有权
标题翻译：自动化设备
公开(公告)号：JP2012111993A
公开(公告)日：2012-06-14
申请号：JP2010261022
申请日：2010-11-24
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： ODA TAKESHI , AKAGI NOBUAKI , TANIGUCHI YUJI
IPC分类号： B22F9/08
摘要： PROBLEM TO BE SOLVED: To provide an atomization device capable of uniformly atomizing metal particles over the entire width direction of a film-like jetting flow surface.SOLUTION: In the atomization device for jetting a fluid as a film-like fluid in a chevron shape from a plurality of jetting nozzles, making a molten metal flow down in the intersection area and atomizing it, the jetting angle of the jetting nozzles 2 and 2 is changed in the width direction of the film-like fluid such that the crossing angle θa of the film-like fluids F7 and F8 to the molten metal at both ends D in the width direction of the film-like fluids F7 and F8 is smaller than the crossing angle of the film-like fluids to the molten metal at the center part E in the width direction of the film-like fluids.
摘要翻译：要解决的问题：提供能够在膜状喷射流动表面的整个宽度方向上均匀雾化金属颗粒的雾化装置。解决方案：在用于从多个喷嘴喷射作为人字形的膜状流体的流体的雾化装置中，使熔融金属在交叉区域中向下流动并使其雾化，喷射的喷射角喷嘴2和2在膜状流体的宽度方向上变化，使得膜状流体F7和F8与膜状流体F7的宽度方向两端的熔融金属的交叉角θa F8小于膜状流体在膜状流体的宽度方向的中心部E处的熔融金属的交叉角度。版权所有（C）2012，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式