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1. 发明专利

JP2013094811A Manufacturing method and manufacturing apparatus of magnet ribbon 有权
标题翻译：磁铁RIBBON的制造方法和制造设备
公开(公告)号：JP2013094811A
公开(公告)日：2013-05-20
申请号：JP2011239323
申请日：2011-10-31
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Yonekura Seisakusho:Kk , 株式会社米倉製作所
发明人： SAKUMA NORITSUGU , KISHIMOTO HIDESHI , SAZUKA TAKASHI , KATO AKIRA , ONISHI YASUHIRO
IPC分类号： B22D11/06 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method and apparatus for manufacturing a magnet ribbon capable of attaining a uniform fine structure and an excellent magnetic characteristic provided thereby, by preventing mixture of the ribbon generated at an unwanted cooling speed in a case when a ribbon of magnet alloy is manufactured by rapid solidification.SOLUTION: When manufacturing a magnet ribbon by rapid solidification by discharging a molten metal of magnet alloy onto the surface of a cooling roller, the cooling rate of the molten metal that is rapidly solidified is continuously measured, and a proper ribbon is selectively collected which is generated at a cooling rate within a range in which a desired solidification structure is generated.
摘要翻译：解决的问题：为了提供一种用于制造能够获得均匀的微细结构和由此提供的优异的磁特性的磁带的方法和装置，通过防止在不希望的冷却速度下产生的色带的混合，通过快速固化制造磁铁合金带。解决方案：通过将磁铁合金的熔融金属排放到冷却辊的表面上快速凝固来制造磁带，连续地测量快速凝固的熔融金属的冷却速度，并且选择性地合适的带收集，其以产生期望的凝固结构的范围内的冷却速度产生。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2013094810A Manufacturing method and manufacturing apparatus of magnet ribbon 有权
标题翻译：磁铁RIBBON的制造方法和制造设备
公开(公告)号：JP2013094810A
公开(公告)日：2013-05-20
申请号：JP2011239277
申请日：2011-10-31
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Yonekura Seisakusho:Kk , 株式会社米倉製作所
发明人： SAKUMA NORITSUGU , KISHIMOTO HIDESHI , SAZUKA TAKASHI , KATO AKIRA , ONISHI YASUHIRO
IPC分类号： B22D11/06 , B22D21/00 , B22D27/04
摘要： PROBLEM TO BE SOLVED: To provide a method and apparatus for manufacturing a magnet ribbon capable of attaining a uniform fine structure and an excellent magnetic characteristic provided thereby, by preventing temperature fluctuation on the surface of a cooling roller in a case when a ribbon of magnet alloy is manufactured by rapid solidification.SOLUTION: When manufacturing a magnet ribbon by rapid solidification by discharging a molten metal of magnet alloy onto the surface of a cooling roller, the cooling roller is continuously reciprocated vertically in the generation direction of the magnet ribbon. It is preferred that a shielding plate is used for shielding the surface of the roller against an induction coil for heating just before discharging the molten metal.
摘要翻译：要解决的问题：为了提供一种用于制造能够获得均匀的微细结构和由此提供的优异的磁特性的磁带的方法和装置，通过防止冷却辊的表面上的温度波动，通过快速固化制造磁铁合金带。解决方案：当通过将磁性合金的熔融金属排放到冷却辊的表面上快速凝固来制造磁带时，冷却辊在磁带的产生方向上连续地往复运动。优选的是，屏蔽板用于在排出熔融金属之前将辊的表面遮蔽于用于加热的感应线圈。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2013180301A Apparatus and method for manufacturing magnetic ribbon 审中-公开
标题翻译：用于制造磁性薄膜的装置和方法
公开(公告)号：JP2013180301A
公开(公告)日：2013-09-12
申请号：JP2012043591
申请日：2012-02-29
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Yonekura Seisakusho:Kk , 株式会社米倉製作所
发明人： SAKUMA NORITSUGU , KISHIMOTO HIDESHI , SAZUKA TAKASHI , KATO AKIRA , ONISHI YASUHIRO
IPC分类号： B22D11/06 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method for manufacturing a magnetic ribbon, capable of manufacturing a magnetic ribbon with high magnetic property.SOLUTION: An apparatus for manufacturing a magnetic ribbon includes: a nozzle having an opening at a lower end thereof, from which a molten alloy that is a raw material of the magnetic ribbon is injected; a cooling roller for cooling the molten alloy injected from the nozzle; and a helical high-frequency coil encircling the nozzle and reduced in diameter thereof as proceeding downward. A method for manufacturing the magnetic ribbon is also disclosed.
摘要翻译：要解决的问题：提供一种能够制造具有高磁性能的磁带的磁带制造装置和方法。解决方案：一种用于制造磁带的装置，包括：在其下端具有开口的喷嘴从其中注入作为磁带的原料的熔融合金; 用于冷却从喷嘴喷射的熔融合金的冷却辊; 以及螺旋式高频线圈，其环绕着喷嘴，并且直径向下延伸。还公开了一种用于制造磁带的方法。

4. 发明专利

JP2013098485A Manufacturing apparatus and manufacturing method for rare earth magnet 审中-公开
标题翻译：稀土磁铁制造装置及其制造方法
公开(公告)号：JP2013098485A
公开(公告)日：2013-05-20
申请号：JP2011242458
申请日：2011-11-04
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Yonekura Seisakusho:Kk , 株式会社米倉製作所
发明人： MANABE AKIRA , MIYAMOTO NORITAKA , ICHIKIZAKI DAISUKE , SHOJI TETSUYA , KISHIMOTO HIDESHI , ONISHI YASUHIRO
IPC分类号： H01F41/02 , B22F3/00 , B22F3/14 , C22C33/02 , H01F1/057 , H01F1/08 , H01F7/02
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing apparatus for a rare earth magnet in which thermal energy which is received in manufacturing steps from sintered compact to oriented magnet is reduced, crystal particles can be prevented from becoming coarse and manufacturing efficiency can be improved, and to provide a manufacturing method for the rare earth magnet.SOLUTION: A manufacturing apparatus 10 comprises at least a die 4 including a hollow where a first hollow 4a of which the cross-sectional area is relatively large and a second hollow 4b of which the cross-sectional area is relatively small are communicated, a first punch 2 which is freely movable within the first hollow, a second punch 3 which is freely movable within the second hollow, main drivers 5, 6 which make the first and second punches 2 and 3 close to each other or separate from each other, and a sub driver 7 which moves the die 4 relatively with respect to the first and second punches 2 and 3. The inside of a cavity C formed from the die 4 and the first and second punches 2 and 3 is filled with a powder (p) that becomes a rare earth magnet material, and a rare earth magnet is manufactured through movement control of the first and second punches 2 and 3, movement control of the die 4 and heating control.
摘要翻译：解决问题的方案为了提供一种稀土磁体的制造装置，其中从烧结体到定向磁铁的制造步骤中接收的热能减少，可以防止晶粒变粗，制造效率可以改进，并提供稀土磁体的制造方法。解决方案：制造装置10至少包括具有中空部的模具4，其中横截面积相对较大的第一中空部件4a和横截面积相对较小的第二中空部件4b被连通第一冲头2，其可在第一中空部内自由移动;第二冲头3，其能够在第二中空部分主驱动器5,6内自由移动，使第一和第二冲头2和3彼此靠近或分离; 以及相对于第一和第二冲头2和3相对移动模具4的副驱动器7.由模具4和第一和第二冲头2和3形成的模腔C的内部填充有粉末（p），通过第一和第二冲头2和3的移动控制，模具4的移动控制和加热控制来制造稀土磁体。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2005171350A Insulating film, magnetic core powder, dust magnetic core, and method of manufacturing them 审中-公开
标题翻译：绝缘膜，磁芯粉，尘埃磁芯及其制造方法
公开(公告)号：JP2005171350A
公开(公告)日：2005-06-30
申请号：JP2003415588
申请日：2003-12-12
申请人： Finesinter Co Ltd , Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社ファインシンター , 株式会社豊田中央研究所
发明人： TAJIMA SHIN , HATTORI TAKESHI , KONDO MIKIO , SUGIYAMA MASAKI , KISHIMOTO HIDESHI , CHOU KOKUHOU
IPC分类号： B22F1/02 , B22F3/00 , B22F3/24 , H01F1/24 , H01F27/255 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide an insulating film which is suitable for coating magnetic core powder and has a superior heat resistance.
SOLUTION: The insulating film is composed of a first element group of P, O, and N and a second element, capable of generating a cation of bivalent or higher valence having a 6 coordination defined by Shannon and an ionic radius of 0.073 nm or above as indispensable constituent component elements. The insulating film composed of the P and the O, and the second element is made additionally higher by further including the N therein.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种适用于涂覆磁芯粉末并具有优异耐热性的绝缘膜。解决方案：绝缘膜由P，O和N的第一元素组和第二元素组成，能够产生具有由香农确定的6个配位和离子半径为0.073的二价或更高价的阳离子 nm以上作为不可缺少的构成成分元素。由P和O构成的绝缘膜和第二元件通过在其中进一步包含N而进一步增加。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2005086163A Dust core 审中-公开
标题翻译： DUST CORE
公开(公告)号：JP2005086163A
公开(公告)日：2005-03-31
申请号：JP2003319941
申请日：2003-09-11
申请人： Daido Steel Co Ltd , Finesinter Co Ltd , Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 大同特殊鋼株式会社 , 株式会社ファインシンター , 株式会社豊田中央研究所
发明人： SAITOU TAKANOBU , TAKEMOTO SATOSHI , HATTORI TAKESHI , HIGASHIYAMA KIYOSHI , KISHIMOTO HIDESHI , SUGIYAMA MASAKI , KIKKO TADAYOSHI
IPC分类号： H01F27/255
摘要： PROBLEM TO BE SOLVED: To provide a dust core loaded on a switching power supply, a DC-DC converter or the like, wherein a low core loss is compatible with a high permeability which are effective for miniaturization and high efficiency of a choke coil and a transformer.
SOLUTION: In the dust core consisting of a soft magnetism powder and an insulating binder, when an electrical resistivity of the dust core is set to ρ(Ω m) and a circle equivalent diameter of a cross section intersecting perpendicularly with a magnetic path direction of the dust core is set to D (m), the following formula is effected:ρ> 0.01 (Ω m)or, the following formulas are simultaneously effected:ρ≤0.01 (Ω m) and D/ρ≤1.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供负载在开关电源，DC-DC转换器等上的集尘芯，其中低铁损与高效率兼容，这对于小型化和高效率是有效的扼流线圈和变压器。解决方案：在由软磁粉末和绝缘粘合剂构成的防尘芯中，当将防尘芯的电阻率设定为ρ（Ωm），并且横截面的圆当量直径与磁性垂直相交时粉尘芯的路径方向设定为D（m），进行如下公式：ρ> 0.01（Ωm）或者同时进行下列公式：ρ≤0.01（Ωm），D /ρ≤1。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2003297624A Dust core and its manufacturing method 有权
标题翻译： DUST CORE及其制造方法
公开(公告)号：JP2003297624A
公开(公告)日：2003-10-17
申请号：JP2002100230
申请日：2002-04-02
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： HATTORI TAKESHI , KONDO MIKIO , TAJIMA SHIN , HIGASHIYAMA KIYOSHI , KISHIMOTO HIDESHI , SUGIYAMA MASAKI , KIKKO TADAYOSHI
IPC分类号： C22C38/00 , C22C38/02 , H01F1/24
摘要： PROBLEM TO BE SOLVED: To provide a dust core composed of an Fe-Si-based magnetic powder which is higher in density than in the conventional examples.
SOLUTION: This dust core is obtained by press-molding magnetic powder coated with an insulating coating film and is composed mainly of Fe and Si. In this dust core, the Si content (X: mass%) and the density ratio (ρ/ρ
0 : %) that is the ratio of the bulk density (ρ) of the dust core to the true density (ρ
0 ) of the magnetic powder are adjusted to satisfy ρ/ρ
0 ≥94-X(%). According to the Si content, this high-density dust core is manufactured industrially by, for example, inter-die lubricating warm press molding, etc.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种由与以往实施例相比密度高的Fe-Si系磁性粉末构成的集尘芯。
解决方案：该防尘芯是通过对涂覆有绝缘涂膜的磁粉进行加压成型而得到的，并且主要由Fe和Si组成。在该防尘芯中，作为防尘芯体的体积密度（ρ）与所述粉尘芯体的比例的Si含量（X：质量％）和密度比（ρ/ρ 0 ：％）将磁粉的真密度（ρ 0 ）调整为满足ρ/ρ 0 ≥94-X（％）。根据Si含量，这种高密度粉尘芯通过例如模间润滑热压成型等工业制造。版权所有（C）2004，JPO

8. 发明专利

JP2013197414A Sintered compact and production method therefor 审中-公开
标题翻译：烧结紧凑及其生产方法
公开(公告)号：JP2013197414A
公开(公告)日：2013-09-30
申请号：JP2012064453
申请日：2012-03-21
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： YANO MASAO , KISHIMOTO HIDESHI , SAKUMA NORITSUGU
IPC分类号： H01F41/02 , H01F1/057 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a sintered compact, i.e., a precursor of rare-earth magnet having excellent coersive force performance, and to provide a production method therefor.SOLUTION: A sintered compact S consisting of crystal grains MP which are the main phase of Nd-Fe-B system, and a grain boundary phase BP around the main phase MP, is obtained by producing magnetic powder for rare-earth magnet by pulverizing an amorphous quick chilling ribbon B, and then heat treating the magnetic powder while compressing. A method of producing a sintered compact S, which is a precursor of a rare-earth magnet having such a structure that the ratio of the Nd-Fe alloy phase out of the grain boundary phase BP is 50 mass% or less, is also provided.
摘要翻译：要解决的问题：提供一种烧结体，即具有优异的累积力性能的稀土磁体的前体，并提供其制造方法。解决方案：由作为主相的晶粒MP组成的烧结体S 的Nd-Fe-B体系和主相MP附近的晶界相BP通过粉碎无定形快速冷却带B制造稀土磁体用磁粉，然后在压缩时进行热处理。作为稀土类磁体的前体的烧结体S的制造方法，其特征在于，具有使晶界相BP之外的Nd-Fe合金相的比例为50质量％以下的结构。

9. 发明专利

JP2011003662A Permanent magnet and method of manufacturing the same 审中-公开
标题翻译：永磁体及其制造方法
公开(公告)号：JP2011003662A
公开(公告)日：2011-01-06
申请号：JP2009144479
申请日：2009-06-17
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： SHOJI TETSUYA , KISHIMOTO HIDESHI , SAKUMA NORITSUGU , NAKAMURA KENJI , KOGURE TOMOYA
IPC分类号： H01F41/02 , B22F1/00 , B22F3/00 , B22F3/14 , B22F3/24 , B22F9/08 , C22C38/00 , H01F1/08 , H01F7/02 , H02K15/03
CPC分类号： H01F41/0266 , B22F1/0044 , B22F2998/10 , H01F1/0577 , B22F9/08 , B22F3/14
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet which is made of a single composition and has coercive force and magnetism which are distributed varying from a center part to a peripheral edge, and to provide a method of manufacturing the permanent magnet.SOLUTION: The permanent magnet is formed by uniting many crystal grains of nanosize by sintering, and is characterized in that a chemical composition is substantially uniform over the entire volume, and degrees of orientation are distributed to increase from the peripheral edge to the center part of the volume. The method of manufacturing the permanent magnet includes steps of: melting and quenching a magnet material to form many melt-spun ribbons having crystal grains of nanosize; pressure-molding and sintering the many melt-spun ribbons into one body to obtain a sintered body; and applying plastic working to the sintered body so that strain is distributed from the peripheral edge to the center part of the volume thereof.
摘要翻译：要解决的问题：提供由单一组成制成并具有从中心部分到周边边缘分布的矫顽力和磁力的永磁体，并提供一种制造永磁体的方法。解决方案：通过烧结使纳米尺寸的许多晶粒结合而形成永磁体，其特征在于，化学成分在整个体积上基本均匀，并且取向度分布从体积的周边边缘增加到中心部分。制造永磁体的方法包括以下步骤：熔融和淬火磁体材料以形成许多具有纳米尺寸的晶粒的熔纺丝带; 将许多熔纺丝条加压成型并烧结成一体，得到烧结体; 并对该烧结体进行塑性加工，以使应变从周缘分布到其体积的中心部分。

10. 发明专利

JP2010215972A NdFeBCu MAGNET MATERIAL 审中-公开
标题翻译：钕铁硼磁铁材料
公开(公告)号：JP2010215972A
公开(公告)日：2010-09-30
申请号：JP2009064790
申请日：2009-03-17
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KISHIMOTO HIDESHI , SHOJI TETSUYA , SAKUMA NORITSUGU
IPC分类号： C22C38/00 , H01F1/053
CPC分类号： H01F1/0577 , B22F2998/10 , B22F2999/00 , C22C1/0441 , C22C38/002 , C22C38/005 , C22C38/16 , C22C2202/02 , H01F1/0571 , H01F41/0266 , B22F3/14 , B22F2201/20 , B22D1/00 , B22F9/04
摘要： PROBLEM TO BE SOLVED: To provide an NdFeB-based magnet material which can reliably have coercivity equal to or higher than that of a magnet containing a rare metal such as Dy, Tb, Co and Cr, without containing a large amount of these rare metals. SOLUTION: The NdFeBCu magnet material is formed of a liquid-quenched ribbon of Nd-Fe-B-Cu X (x is a number which represents an atomic number ratio and satisfies 1≤x≤3). COPYRIGHT: (C)2010,JPO&INPIT

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