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1. 发明专利

JPH093647A THERMAL STRESS RELAXATION TYPE COATED HEAT RESISTANT STRUCTURE PART AND ITS PRODUCTION 失效
公开(公告)号：JPH093647A
公开(公告)日：1997-01-07
申请号：JP15131095
申请日：1995-06-19
申请人： HITACHI LTD , HITACHI NUCLEAR ENG
发明人： YAMAGUCHI SHIZUKA , KOJIMA YOSHIYUKI , BABA NOBORU , TAKAKUSAKI TSUNEHIKO , ITAMI HIROYUKI , NAKANO SUSUMU , MATSUDA KENSHO
IPC分类号： G01M9/04 , C23C16/06
摘要： PURPOSE: To provide thermal stress relaxation type coated heat resistant structure parts by relaxing the thermal stress in the heat resistant coating layer in which temp. distribution is formed so that it is higher in percentage in a cross-sectional radial or longitudinal direction and to improve the reliability of a plant and to provide a method thereof. CONSTITUTION: A coating layer 8 of heat resistant material is laminated on the surface of structure parts 6 by forming a columnar crystal structure 8a, a fine crystalline grain structure 8b, or the columnar crystal structure 8a and the fine crystalline grain structure 8b. This heat resistant coating layer 8 has a function of developing fine cracks in a film-thickness direction by the application of thermal stress and relaxing the thermal stress. By this method, the thermal stress relaxation type coated heat resistant structure parts, excellent in heat resistance and thermal shock resistance, can be produced.

2. 发明专利

JP2008069372A Member with hard carbon film 有权
标题翻译：会员与硬碳膜
公开(公告)号：JP2008069372A
公开(公告)日：2008-03-27
申请号：JP2006246241
申请日：2006-09-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAJIMA SHOICHI , OKAMOTO SHINYA , BABA NOBORU , YAMAGUCHI SHIZUKA
IPC分类号： C23C14/06
CPC分类号： C23C14/0605 , C23C14/027 , Y10T428/12625
摘要： PROBLEM TO BE SOLVED: To provide a member, especially a sliding member, having a low friction, and excellent adhesiveness and load resistance. SOLUTION: The member has an intermediate layer containing aluminum and carbon on a base material, and a hard carbon film on the intermediate layer. In the intermediate layer, the content of aluminum is gradually reduced toward the hard carbon film from the base material, the content of carbon is gradually increased toward the hard carbon film from the base material, and at the same time, Al 4 C 3 , in which aluminum and carbon are bonded in a molar ratio of 4:3, is formed in the base material side from the center of the intermediate layer. In the hard carbon film, aluminum is contained in an amount of 0.5-4.5 atom%. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有低摩擦力，优异的粘合性和耐负荷性的构件，特别是滑动构件。解决方案：该部件在基材上具有含有铝和碳的中间层，在中间层上具有硬质碳膜。在中间层中，铝的含量从基材向硬碳膜逐渐减少，碳的含量从基材向硬碳膜逐渐增加，同时，Al 4 在中间层的中心的基材侧形成有以摩尔比4:3的铝和碳结合的 3 3 。在硬质碳膜中，含有0.5〜4.5原子％的铝。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007059107A Electrical contact 审中-公开
标题翻译：电气联系
公开(公告)号：JP2007059107A
公开(公告)日：2007-03-08
申请号：JP2005240546
申请日：2005-08-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIKUCHI SHIGERU , MORITA AYUMI , KOBAYASHI MASAHITO , KAJIWARA SATORU , BABA NOBORU
IPC分类号： H01H33/66 , C22C1/05 , C22C1/10 , C22C9/00 , C22C32/00 , H01H1/02 , H01H11/04
摘要： PROBLEM TO BE SOLVED: To provide an electrical contact that combine interruption performance and low surge performance, and show less deterioration in the performances, even after multiple number of interruptions, and to provide a vacuum valve and a vacuum circuit breaker that uses this electrical contact.
SOLUTION: This electrical contact includes carbide by 1 to 30 wt.%, and being CU in a residual part, or is characterized by being constituted of Cr, Cu and carbide, and setting the weight ratio of Cr and carbide within the range of 1 : 1.5 to 50. An electrode is formed into a windmill shape, and the vacuum valve and the vacuum circuit breaker are formed by using this electrode.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供组合中断性能和低浪涌性能的电接触，并且即使在多次中断之后，性能也会降低，并且提供使用的真空阀和真空断路器这个电接触。解决方案：该电接触包括1至30重量％的碳化物，并且在剩余部分中为CU，或者其特征在于由Cr，Cu和碳化物构成，并将Cr和碳化物的重量比设定在范围为1：1.5〜50。电极形成为风车形状，通过使用该电极形成真空阀和真空断路器。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005135778A Electric contact and its manufacturing method, electrode for vacuum bulb, vacuum bulb using it, and vacuum interrupter 审中-公开
标题翻译：电气接触及其制造方法，真空泵电极，真空泵和真空中断器
公开(公告)号：JP2005135778A
公开(公告)日：2005-05-26
申请号：JP2003371369
申请日：2003-10-31
申请人： Hitachi Ltd , Japan Ae Power Systems Corp , 株式会社日本Aeパワーシステムズ , 株式会社日立製作所
发明人： KIKUCHI SHIGERU , BABA NOBORU , NISHIJIMA AKIRA , FUKAI TOSHIMASA
IPC分类号： C22F1/00 , B22F1/00 , B22F3/10 , C22C9/00 , C22F1/08 , H01H1/02 , H01H1/025 , H01H1/06 , H01H11/04 , H01H33/66
CPC分类号： H01H11/048 , H01H1/0206 , H01H33/664
摘要： PROBLEM TO BE SOLVED: To provide an electric contact having excellent breaking performance, dielectric-strength characteristics, and welding resistance, and further provide its manufacturing method, an electrode for a vacuum bulb and the vacuum bulb using it, and a vacuum interrupter.
SOLUTION: This electric contact is made of a sintered alloy containing mainly Cr and Cu, and further containing 0.05 to 0.5 wt.% of Te, 100 to 3000 ppm of oxygen, 7.5 to 900 ppm of aluminum, and 15 to 750 ppm of Si.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有优异的断裂性能，介电强度特性和耐焊接性的电接触，并且还提供其制造方法，用于真空灯泡的电极和使用它的真空灯泡，以及真空断路器。解决方案：该电接触由主要含有Cr和Cu的烧结合金制成，并进一步含有0.05-0.5重量％的Te，100-3000ppm的氧，7.5-900ppm的铝和15-750 ppm的Si。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004002938A Target material for sputtering or ion plating and method of producing the same 审中-公开
公开(公告)号：JP2004002938A
公开(公告)日：2004-01-08
申请号：JP2002160895
申请日：2002-06-03
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI MASAYA , KIKUCHI SHIGERU , KOMURO KATSUHIRO , YAMAGUCHI SHIZUKA , BABA NOBORU
IPC分类号： B22F7/08 , B22F5/12 , C22C9/00 , C22C27/06 , C23C14/32 , C23C14/34
摘要： PROBLEM TO BE SOLVED: To provide a target material for sputtering or ion plating in which density is almost 100%, the content of gas is low, structure can easily be controlled, production cost is low, and the target material and a backing plate are integrated in metallography, and to provide a method of producing the same.
SOLUTION: The target material is produced by a stage wherein a base material metal and a dispersion metal are mixed and compacted to obtain a green compact, a stage wherein an ingot containing the base material metal is set in the surface of the green compact, and a stage wherein heating is performed to impregnate the base material metal of the ingot into the vacancies of the green compact.
COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2003331698A Electrode for vacuum circuit breaker and manufacturing method therefor 审中-公开
标题翻译：真空断路器用电极及其制造方法
公开(公告)号：JP2003331698A
公开(公告)日：2003-11-21
申请号：JP2002132251
申请日：2002-05-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI MASAYA , KIKUCHI SHIGERU , KOMURO KATSUHIRO , BABA NOBORU
IPC分类号： C23C14/14 , C22C27/06 , C23C14/34 , H01H33/66
摘要： PROBLEM TO BE SOLVED: To provide a low manufacturing cost electrode for a vacuum circuit breaker, which has a fine structure layer consisting of refractory metal whose grain size is 0.1 to 30 μm as an arc-proof material member, wherein the electrode enables the vacuum circuit breaker to have good circuit breaking characteristic, good withstand voltage and good deposition-proof characteristic.
SOLUTION: The electrode for the vacuum circuit breaker is manufactured in such processes that the arc-proof material member is formed on an electrode holding portion which contains the refractory metal using a target material which contains the refractory metal and a highly electrically conductive material; and the electrode holding portion on which the arc-proof material member is formed, is machined in reducing atmosphere or atmosphere which does not oxidize into a shape having blades which are separated by a spiral groove and a convex portion in its center.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供一种用于真空断路器的低制造成本电极，其具有由晶粒尺寸为0.1至30μm的难熔金属组成的精细结构层作为电弧保护材料构件，其中电极使真空断路器具有良好的断路特性，良好的耐电压和良好的防沉积特性。解决方案：用于真空断路器的电极的制造方法是，使用含有难熔金属的目标材料和高导电性的电极形成在包含难熔金属的电极保持部分上材料; 并且在其上形成有电弧保护材料构件的电极保持部分在还原气氛或不被氧化成具有其螺旋形凹槽和中心凸起部分的叶片的形状的气氛中加工。版权所有（C）2004，JPO

7. 发明专利

JP2003238268A METHOD OF JOINING METAL AND INSULATOR AND VACUUM SHUT- OFF DEVICE 审中-公开
公开(公告)号：JP2003238268A
公开(公告)日：2003-08-27
申请号：JP2002037578
申请日：2002-02-15
申请人： HITACHI LTD
发明人： KOMURO KATSUHIRO , BABA NOBORU , SHIMIZU MASAO , TANIMIZU TORU , SUZUKI YASUAKI , KIKUGAWA SHUICHI
IPC分类号： B23K1/00 , B23K1/14 , B23K1/19 , C04B37/02 , H01H33/66
摘要： PROBLEM TO BE SOLVED: To lessen the high residual stress generated at the junction between a metal and an insulator by relieving the impulsive force by the collision of a stationary electrode and moving electrode exerted on a moving blade and stationary blade when the stationary electrode and the moving electrode are opened and closed in a vacuum shut-off device. SOLUTION: The method of joining the metal and the insulator by brazing comprises setting the area of a brazing filler metal used for joining equal to or smaller than the joining area of a metallic body to be joined to the insulator for the prevention of the damage of the brazed junction of the insulator by the residual stress, and joining the metal and the insulator in such a manner that the entire surface of the outer peripheral part or inner peripheral part (cylindrical shape) of the insulator area is not brazed. COPYRIGHT: (C)2003,JPO

8. 发明专利

JP2003042145A Turbo-type supercharger for internal combustion engine 有权
标题翻译：用于内燃机的涡轮式超级起重机
公开(公告)号：JP2003042145A
公开(公告)日：2003-02-13
申请号：JP2001232525
申请日：2001-07-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOJIMA KAZUO , BABA NOBORU , AKIYAMA TOSHIKATSU , KOMURO KATSUHIRO , UDAGAWA TETSUO
IPC分类号： F02B39/00 , C22C9/04 , F01D25/16 , F02C6/12 , F16C17/02 , F16C17/04 , F16C17/18 , F16C33/12
CPC分类号： F16C33/121 , F01D25/166 , F01D25/168 , F02C6/12 , F05C2201/04 , F05D2220/40 , F05D2240/52 , F05D2240/54 , F05D2300/161 , F05D2300/1616 , F05D2300/172 , F05D2300/1721 , F16C17/02 , F16C17/04 , F16C17/18 , F16C2204/14 , F16C2360/24
摘要： PROBLEM TO BE SOLVED: To provide a bearing generating no black corrosive object under a high temperature oil environment and having a superior wear-resistant property, in a turbo-type supercharger for an internal combustion engine. SOLUTION: Copper alloy materials having major components such as Cu, Zn, Al, Mn, and Si are employed as bearing materials 10 and 11 of the supercharger, and the extending direction of an Mn-Si series compound crystallized in the alloy material is set in the axial direction of a rotational axis for a radial bearing, and also in the perpendicular direction of the rotational axis for a thrust bearing.
摘要翻译：要解决的问题：在用于内燃机的涡轮增压器中，提供在高温油环境下不产生黑色腐蚀性物质并具有优良耐磨性的轴承。解决方案：将具有主要成分如铜，锌，铝，锰和硅的铜合金材料用作增压器的轴承材料10和11，并且将在合金材料中结晶的Mn-Si系列化合物的延伸方向设定在径向轴承的旋转轴线的轴向方向上，以及用于推力轴承的旋转轴线的垂直方向上。

9. 发明专利

JP2002373537A Electrode for vacuum circuit breaker and its manufacturing method, vacuum valve, and vacuum circuit breaker 审中-公开
标题翻译：真空断路器电极及其制造方法，真空阀和真空断路器
公开(公告)号：JP2002373537A
公开(公告)日：2002-12-26
申请号：JP2001178343
申请日：2001-06-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI MASAYA , KIKUCHI SHIGERU , BABA NOBORU , KOBAYASHI MASAHITO , GOTO YOSHITOMO , SUZUKI YASUAKI , KOGUCHI YOSHIO
IPC分类号： B22F5/00 , C22C1/04 , C22C5/02 , C22C5/06 , C22C9/00 , H01H1/02 , H01H1/025 , H01H33/66
摘要： PROBLEM TO BE SOLVED: To provide an electrode for vacuum circuit breakers and its manufacturing method, which has small contraction and small deformation in its sintering process and is excellent in size stability, a vacuum valve, and a vacuum circuit breaker.
SOLUTION: The electrode for a vacuum circuit breaker is characterized by being constituted of a sintered substance, which has fire resisting metal particles and highly conductive metal particles, which has a larger average particle diameter than the average particle diameter of the above fire resisting metal particles. Additionally to the electrode for the vacuum circuit breaker, mixed powder, which is made by mixing the fire resisting metal particles and the highly electricity conductive metal particles, which has the larger average particle diameter than the average particle diameter of the above fire resisting metal particles is pressed and formed, and subsequently, heating sintering is carried out.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种用于真空断路器的电极及其制造方法，其在烧结过程中收缩小，变形小，尺寸稳定性优异，真空阀和真空断路器。解决方案：用于真空断路器的电极的特征在于由具有耐火金属颗粒和高导电性金属颗粒的烧结物质构成，其具有比上述耐火金属颗粒的平均粒径更大的平均粒径。除了真空断路器用电极以外，通过混合具有比上述耐火金属粒子的平均粒径大的平均粒径的耐火金属粒子和高导电性金属粒子制成的混合粉末被压制并形成，随后进行加热烧结。

10. 发明专利

JPH11232971A VACUUM CIRCUIT BREAKER, VACUUM PUMP AND ELECTRICAL CONTACT USED IN THE SAME, AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH11232971A
公开(公告)日：1999-08-27
申请号：JP2951198
申请日：1998-02-12
申请人： HITACHI LTD
发明人： DOI MASAYUKI , KOMURO KATSUHIRO , BABA NOBORU , TANIMIZU TORU , HAKAMATA YOSHIMI
IPC分类号： H01H11/04 , H01H1/04 , H01H33/66
摘要： PROBLEM TO BE SOLVED: To improve uniform dispersion characteristic of minute chromium particles and the like in an electrode member to reduce dispersion in a breaking function and a withstand voltage function by providing a highly conductive metal and a fireproof metal with a melting point which is higher than that of the highly conductive metal in an arc electrode member and containing a specific quantity of fireproof metal with a specific grain size in the fireproof metal. SOLUTION: A metallic powder is constructed of highly conductive metal powder, such as Cu powder and one or more kinds of fireproof metal powder such as Cr, W, Mo, Ta powder. This mixture powder is sintered by one method in hot pressing, HIP, and a discharge sintering method, or alternatively a fireproof metal molding body is infiltrated with a highly conductive metal. The fireproof metal contains particles with a grain size of 5-60 μm at a ratio of 70 wt.% or more. An arc electrode 1, an arc electrode supporting part 2, an external conductor connection part 3, and a back conductor 4 are integrally structured, and between the arc electrode 1 and the arc electrode supporting part 2 provided with equal thickness, the back conductor 4 with a diameter smaller than those of these is arranged.

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