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1. 发明专利

JP2005191282A Rare earth magnet and its production process, and motor 有权
标题翻译：稀土磁铁及其生产工艺及电机
公开(公告)号：JP2005191282A
公开(公告)日：2005-07-14
申请号：JP2003430850
申请日：2003-12-25
申请人： Hitachi Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社日立製作所
发明人： SATSUU YUUICHI , KOMURO MATAHIRO , WATABE NORIYUKI , TAYU TETSURO , ONO HIDEAKI , KANO MAKOTO , SHIMADA MUNEKATSU , KAWASHITA NOBUO
IPC分类号： B22F1/02 , C22C33/02 , C22C38/00 , H01F1/053 , H01F1/06 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a rare earth magnet having a high electric resistance in which lowering of magnet characteristics is minimized, and to provide its production process. SOLUTION: Surface of magnetic powder for rare earth magnet is coated partially, more preferably entirely, with an amorphous rare earth oxide containing carbon represented by general formula (I) and a rare earth magnet is produced by compression molding the magnetic powder. The general formula (I): RO x C y (where R is terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thorium (Tm), ytterbium (Yb) or lutetium (Lu)). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有高电阻的稀土磁体，其中磁体特性的降低最小化，并提供其制造工艺。解决方案：用含有由通式（I）表示的碳的无定形稀土氧化物部分地，更优选地全部涂覆稀土磁体的磁粉表面，通过压缩成型磁粉来制造稀土磁体。通式（I）：其中R是铽（Tb），镝（Dy），钬（Ho），铒（Er），钍（Tm），镱（Yb）或镥（Lu））。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005142374A Powder for high-resistance rare earth magnet, manufacturing method thereof, rare earth magnet, manufacturing method thereof, rotor for motor, and motor 有权
标题翻译：用于高电阻稀土磁铁的粉末，其制造方法，稀土磁铁，其制造方法，电动机和电机的转子
公开(公告)号：JP2005142374A
公开(公告)日：2005-06-02
申请号：JP2003377626
申请日：2003-11-07
申请人： Hitachi Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社日立製作所
发明人： SATSUU YUUICHI , KOMURO MATAHIRO , WATABE NORIYUKI , TAYU TETSURO , ONO HIDEAKI , KANO MAKOTO , SHIMADA MUNEKATSU
IPC分类号： B22F1/02 , B22F3/02 , H01F1/053 , H01F1/06 , H01F1/09 , H02K1/27 , H02K15/03
摘要： PROBLEM TO BE SOLVED: To provide powder for high-resistance rare earth magnet where the deterioration of magnetic character is minimized, and provide a manufacturing method of the powder, a rare earth magnet, a method for manufacturing the rare earth magnet, a rotor for a motor using the rare earth magnet, and the motor using the same. SOLUTION: In the powder for high resistant rare earth magnet, at least a part of the surface of rare earth magnet particles is coated with a compound containing at least one kind of rare earth oxides as terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thorium (Tm), ytterbium (Yb) and lutetium (Lu), and a metal compound containing at least on kind of Al 2 O 3 , SiO 2 , silicon nitride, TiO 2 , ZnO and ZrO 2 . COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供磁性特性的劣化最小化的高电阻稀土磁体的粉末，并且提供粉末，稀土磁体的制造方法，稀土类磁铁的制造方法，用于使用稀土类磁体的电动机的转子，以及使用该转子的电动机。解决方案：在高耐磨稀土磁体粉末中，稀土磁体颗粒表面的至少一部分涂覆有含有至少一种稀土氧化物的化合物，如铽（Tb），镝（Dy ），钬（Ho），铒（Er），钍（Tm），镱（Yb）和镥（Lu）等金属化合物，以及含有至少一种Al 2 O 3 3 ，SiO 2 ，氮化硅，TiO 2 SB 2，ZnO和ZrO SB 2。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2005191281A Rare earth magnet and its production process, and motor 审中-公开
标题翻译：稀土磁铁及其生产工艺及电机
公开(公告)号：JP2005191281A
公开(公告)日：2005-07-14
申请号：JP2003430842
申请日：2003-12-25
申请人： Hitachi Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社日立製作所
发明人： SATSUU YUUICHI , KOMURO MATAHIRO , WATABE NORIYUKI , TAYU TETSURO , ONO HIDEAKI , KANO MAKOTO , SHIMADA MUNEKATSU , KAWASHITA NOBUO
IPC分类号： B22F1/02 , B22F3/02 , B22F3/14 , C22C33/02 , H01F1/053 , H01F1/06 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a rare earth magnet having a high electric resistance in which lowering of magnet characteristics is minimized, and to provide its production process. SOLUTION: Surface of magnetic powder for rare earth magnet is coated partially, more preferably entirely, with an amorphous or/and crystalline rare earth oxide represented by general formula (I) and impurities contained in the rare earth oxide are oxidized and removed using a peroxide composed of one or a plurality of kinds of perhalogenide, halogenide, halogenite, hypohalogenite, nitrate, organic peroxide and peroxodisulfuric acid before a rare earth magnet is produced by compression molding. The general formula (I): R 2 O 3 (where R is terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thorium (Tm), ytterbium (Yb) or lutetium (Lu)). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有高电阻的稀土磁体，其中磁体特性的降低最小化，并提供其制造工艺。解决方案：用通式（I）表示的无定形或/或结晶稀土氧化物部分涂覆，更优选完全涂覆稀土磁体的磁粉表面，稀土氧化物中所含的杂质被氧化和去除卤化物，卤化物，次卤酸盐，硝酸盐，有机过氧化物和过氧二硫酸中的一种或多种组成的过氧化物，然后通过压缩成型制备稀土磁体。通式（I）：其中R是铽（Tb），镝（Dy），钬（Ho），铒（Er），钍（Tm），镱（Yb）或镥（Lu））。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2009242936A Rare earth permanent magnet alloy and manufacturing method thereof 有权
标题翻译：稀土永磁合金及其制造方法
公开(公告)号：JP2009242936A
公开(公告)日：2009-10-22
申请号：JP2008232743
申请日：2008-09-10
申请人： Daido Steel Co Ltd , Meiji Univ , Nissan Motor Co Ltd , 大同特殊鋼株式会社 , 学校法人明治大学 , 日産自動車株式会社
发明人： YAMAMOTO HIROSHI , TAYU TETSURO , OMURA MASASHI , OTANI KEIZO , YABUMI TAKAO , HASHINO HAYATO
IPC分类号： C22C38/00 , C21D6/00 , H01F1/053
CPC分类号： H01F1/0579 , B22F9/007 , B22F2009/048 , B82Y25/00 , C22C1/0491 , C22C33/0257 , C22C38/005 , C22C2202/02 , H01F1/058
摘要： PROBLEM TO BE SOLVED: To provide a rare earth permanent magnet alloy with a high coercive force.
SOLUTION: The rare earth permanent magnet alloy comprises a rare earth-iron-boron type magnetic phase (R
2 Fe
14 B type magnetic phase) and at least a defect structure 2 in an internal structure. The defect structure 2 is included in the R
2 Fe
14 B type magnetic phase. Displacement of a domain wall of the R
2 Fe
14 B type magnetic phase is prevented by the defect structure 2 included in the R
2 Fe
14 B type magnetic phase, thereby improving the coercive force.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有高矫顽力的稀土永磁体合金。解决方案：稀土永磁体合金包括稀土 - 铁 - 硼型磁相（R SB SB 2，SB SB 14型磁性相）和至少一种缺陷结构2在内部结构。缺陷结构2包括在R SBM 2 SBS磁性相中。通过包含在R SB 2 / SBB中的缺陷结构2，可以防止R SB 2 / SB SB 14磁性相的畴壁的位移， SB> 14 B型磁相，从而提高矫顽力。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2008011643A Core and its manufacturing method 审中-公开
标题翻译：核心及其制造方法
公开(公告)号：JP2008011643A
公开(公告)日：2008-01-17
申请号：JP2006179700
申请日：2006-06-29
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： OWADA MASARU , SAKAMOTO HIRONORI , TAYU TETSURO , KAWASHITA NOBUO
IPC分类号： H02K1/02 , B22F1/02 , B22F3/00 , B22F3/24 , C22C45/02 , C22C45/10
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a core that is used for a rotor of an electric motor or a stator of the electric motor and capable of improving strength; and to provide its manufacturing method, the rotor of the electric motor, the stator of the electric motor, and the electric motor using the core.
SOLUTION: The core 10 is used for the rotor of the electric motor or the stator of the electric motor, and comprises a core formed body 12 which is made by forming by compression magnetic particles having an insulating thin film on the surface of metallic grains containing a ferromagnetic element, and an amorphous thin film 14. The amorphous thin film is formed on the surface of the stress concentrated portion 12b of the core formed body. The core manufacturing method has a step of raising the temperature of the core formed body before spraying the amorphous metallic powder, when amorphous metallic powder is sprayed and arranged in a layer to form the amorphous thin film on the core formed body. The rotor of the electric motor, the stator of the electric motor, and the electric motor are the ones using the core.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供用于电动机的转子或电动机的定子并且能够提高强度的芯; 并且提供其制造方法，电动机的转子，电动机的定子和使用该芯的电动机。解决方案：芯10用于电动机的转子或电动机的定子，并且包括芯形成体12，其通过在具有绝缘薄膜的压缩磁性颗粒上形成含有铁磁性元素的金属颗粒和无定形薄膜14.非晶态薄膜形成在芯体形成体的应力集中部分12b的表面上。核心制造方法具有在喷射非晶金属粉末之前提高芯体形成体的温度的步骤，当将非晶金属粉末喷涂并布置在层中以在芯成形体上形成非晶态薄膜时。电动机的转子，电动机的定子和电动机是使用该芯的。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007251125A Soft magnetic alloy consolidation object and method for fabrication thereof 审中-公开
标题翻译：软磁合金对象及其制造方法
公开(公告)号：JP2007251125A
公开(公告)日：2007-09-27
申请号：JP2006323652
申请日：2006-11-30
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： KAWASHITA NOBUO , OWADA MASARU , TAYU TETSURO , SAKAMOTO HIRONORI
IPC分类号： H01F1/24 , B22F1/02 , B22F3/00 , B22F3/105 , C22C45/02 , H01F1/33 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a soft magnetic alloy consolidation object suitable for a motor core in an electric car or a hybrid car, a method for fabrication thereof, and a molding die for use in the same.
SOLUTION: A soft magnetic alloy consolidation object is formed by compressing at least one type of amorphous alloy powder. The amorphous alloy powder contains an insulator film on its surface and its average grain diameter ranges from 5 to 400 μm. A method for fabricating the soft magnetic alloy consolidation object comprises a step (1) for forming the insulator film on the surface of each amorphous alloy powder having an average grain diameter from 5 to 400 μm and a step (2) for compressing and forming the powder obtained in step (1). Fig. 1 (b) shows a discharge plasma sintering molding die 10b to be used when the soft magnetic alloy consolidation object is fabricated through discharge plasma sintering. The molding die includes a current-carrying part and other parts and an electric conductivity in the current-carrying part is higher than that in the other parts.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种适用于电动汽车或混合动力汽车中的电动机铁心的软磁性合金固结物体，其制造方法和用于其的成型模具。解决方案：通过压缩至少一种类型的非晶合金粉末形成软磁合金固结物体。非晶合金粉末的表面含有绝缘膜，其平均粒径为5〜400μm。软磁性合金固结物的制造方法包括在平均粒径为5〜400μm的各非晶质合金粉末的表面上形成绝缘膜的工序（1）和压缩成型用的工序（2）在步骤（1）中获得的粉末。图。图1（b）示出了当通过放电等离子体烧结制造软磁性合金固结物体时使用的放电等离子体烧结成型模10b。成形模包括载流部和其他部，导流部的导电率高于其他部分。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007220876A Soft magnetic alloy consolidation object, and its manufacturing method 有权
标题翻译：软磁合金对象及其制造方法
公开(公告)号：JP2007220876A
公开(公告)日：2007-08-30
申请号：JP2006039224
申请日：2006-02-16
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： KAWASHITA NOBUO , OWADA MASARU , TAYU TETSURO , SAKAMOTO HIRONORI
IPC分类号： H01F1/24 , B22F1/00 , B22F1/02 , B22F3/00 , B22F3/14 , H01F1/153 , H01F27/24 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a soft magnetic alloy consolidation object capable of being preferably used as a magnetic core for a motor for an electric automobile, a hybrid car or the like, and to provide a manufacturing method for the soft magnetic alloy consolidation object. SOLUTION: The soft magnetic alloy consolidation object is manufactured by treating at least one kind of amorphous alloy powder by a pressure molding. In the compact, the amorphous alloy powder of 50 to 99 vol.% has an insulator film on its surface while using the whole volume of the amorphous alloy powder as a reference, and the amorphous alloy powder of 1 to 50 vol.% does not have the insulator film on its surface in the amorphous alloy powder. The manufacturing method contains a process (1) in which powder having no insulator film on the surface of the amorphous alloy powder and powder having the insulator film on the surface of the amorphous alloy powder are mixed so that each content reaches 1 to 50 vol.% and 50 to 99 vol.%, while using the whole volume of the amorphous alloy powder as the reference. The manufacturing method further contains the process (2) treating powder obtained in the process (1) by the pressure molding. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够优选用作电动汽车用电动机，混合动力汽车等的磁芯的软磁性合金固结物，并提供用于软磁性的制造方法合金固结物。解决方案：通过加压成型处理至少一种非晶合金粉末来制造软磁性合金固结物体。在该压坯中，以体积非晶合金粉末为基准，其表面上具有50〜99体积％的非晶态合金粉末，其表面具有绝缘膜，1〜50体积％的非晶合金粉末不在非晶合金粉末的表面上具有绝缘膜。该制造方法包括其中非晶合金粉末表面上没有绝缘膜的粉末和在非晶合金粉末的表面上具有绝缘体膜的粉末混合以使每个含量达到1至50体积％的方法（1）。％和50〜99体积％，同时使用全体积的非晶合金粉末作为参考。制造方法还包括（2）通过加压成型处理（1）中得到的粉末的方法。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005191187A Rare-earth magnet and its manufacturing method 审中-公开
标题翻译：稀土磁铁及其制造方法
公开(公告)号：JP2005191187A
公开(公告)日：2005-07-14
申请号：JP2003429228
申请日：2003-12-25
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAYU TETSURO , ONO HIDEAKI , KAWASHITA NOBUO , YAMAUCHI TAKESHI , KANO MAKOTO , SHIMADA MUNEKATSU
IPC分类号： B22F1/02 , B22F3/02 , C22C33/02 , H01F1/053 , H01F1/06 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a rare-earth magnet that can effectively suppress eddy current and degradation of magnet characteristic due to an eddy current suppression means. SOLUTION: The rare-earth magnet contains rare-earth magnet particles and an amorphous and/or crystal rare-earth oxide represented by a formula (I) (where, R: rare-earth element containing Y). It is manufactured by hydrolizing a rare-earth alkoxide applied to the surface of magnetic powder for the rare-earth magnet, polycondensating it to adhere the rare-earth oxide to the entire area or a part of the surface of magnetic powder for the rare-earth magnet and molding the magnetic powder therefor wherein the rare-earth oxide is arranged. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够有效地抑制由涡流抑制机构引起的涡电流和磁体特性劣化的稀土类磁铁。解决方案：稀土磁体包含稀土磁体颗粒和由式（I）表示的无定形和/或结晶稀土氧化物（其中R：含有Y的稀土元素）。通过将施加到稀土类磁体的磁性粉末表面的稀土醇盐水合而制造，使稀土氧化物附着在稀土类氧化物的整个区域或一部分表面上，并对该稀土氧化物进行配置而成型的磁粉。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005185081A Rotor steel plate for rotary machine, rotor for rotary machine, the rotary machine and vehicle loaded with the same and device, and method for producing the rotor steel plate for the rotary machine 审中-公开
标题翻译：旋转机用转子钢板，旋转机用转子，旋转机械及其装载的车辆及其制造用于旋转机械的转子钢板的方法
公开(公告)号：JP2005185081A
公开(公告)日：2005-07-07
申请号：JP2004062164
申请日：2004-03-05
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： SHIMADA MUNEKATSU , ONO HIDEAKI , TAYU TETSURO , KANO MAKOTO , OWADA MASARU , UCHIYAMA MITSUO , MATSUOKA TOSHIMITSU
IPC分类号： H02K1/22 , H02K1/27 , H02K1/30 , H02K15/02
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a rotor steel plate, having high resistance with respect to the centrifugal force, at a high rotational driving. SOLUTION: The circular stell plate 100, having a plurality of first opening parts 103a and a second opening parts 103b for inserting permanent magnets, is provided with stepped parts 106a, 106b, 106c formed by a recessed steel plate 100 at a part of the end edge of respective opening parts 103a, 103b. Alternatively, inclined parts, made to change continuously in the plate thickness from the end part of the opening parts 103a, 103b, may be provided. COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2005057959A Rotor core steel plate and rotor 有权
标题翻译：转子芯钢板和转子
公开(公告)号：JP2005057959A
公开(公告)日：2005-03-03
申请号：JP2003288980
申请日：2003-08-07
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： SHIMADA MUNEKATSU , ONO HIDEAKI , KANO MAKOTO , TAYU TETSURO , OWADA MASARU , SAKATA HISASHI , NAKAGAWA NARIYUKI , MATSUOKA TOSHIMITSU
IPC分类号： H02K1/22 , H02K1/27 , H02K15/02 , H02K21/14
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a rotor core steel plate for realizing high speed rotation using an electromagnetic steel plate of low iron loss.
SOLUTION: In the rotor core steel plate provided with two magnet holes 2 and 3 in order to insert two magnets per pole, level difference parts 11 and 12 recessed from the periphery are formed, respectively, at an outer bridge part 15 on the outer circumferential side of the magnet holes 2 and 3 and a stripe center bridge part 16 facing the magnet holes 2 and 3. Subsequently, flattening is performed in order to correct protuberance produced when the level difference parts are formed thus setting the overall flatness at 3 μm except the level difference parts.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种使用低铁损的电磁钢板实现高速旋转的转子铁心钢板。解决方案：在具有两个磁体孔2和3的转子芯钢板中，为了每个磁极插入两个磁体，在外部桥接部分15上分别形成从外周凹陷的高低差部件11和12，磁体孔2和3的外周侧以及面对磁体孔2和3的条纹中心桥接部分16.随后，进行平坦化，以便校正当形成液位差部分时所产生的凸起，从而将整个平面度设定在除了电平差异部分3μm。版权所有（C）2005，JPO＆NCIPI

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