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1. 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

2. 发明专利

JP2010263172A Rare earth magnet and manufacturing method of the same 审中-公开
标题翻译：稀土磁铁及其制造方法
公开(公告)号：JP2010263172A
公开(公告)日：2010-11-18
申请号：JP2009128779
申请日：2009-05-28
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： SUZUKI TOSHIHARU , HASHINO HAYATO , HIRAOKA MASAHIRO , YABUMI TAKAO
IPC分类号： H01F1/08 , B22F1/02 , B22F3/24 , C22C33/02 , C22C38/00 , H01F1/053 , H01F41/02
CPC分类号： H01F1/0576 , B22F1/025 , B22F3/12 , B22F2998/00 , B22F2998/10 , C22C28/00 , C22C33/0278 , C22C38/002 , C22C38/005 , C22C38/10 , C22C2202/02 , H01F41/0266 , H01F41/0293 , B22F2207/01 , B22F3/02 , B22F3/14 , B22F3/24
摘要： PROBLEM TO BE SOLVED: To provide a rare earth magnet with a high coercive force, while suppressing a deterioration of a residual magnetic flux density, moreover to provide a manufacturing method for simply manufacturing the rare earth magnet with a uniform magnetic characteristic. SOLUTION: The rare earth magnet is a magnet formed through at least hot molding and contains: crystal grains including an R 2 X 14 B phase used as a main phase; and a grain boundary phase surrounding the peripheries of the crystal grains (R is at least one sort selected from Nd, Pr, Dy, Tb and Ho, and X is Fe or Fe with a part being substituted by Co), wherein an element RH is more concentrated in the grain boundary phase by the crystal grains (RH is at least one sort selected from Dy, Tb, and Ho), and the element RH resides with a substantially constant concentration distribution from a surface part of the magnet to a central part of the magnet. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有高矫顽力的稀土磁体，同时抑制剩余磁通密度的劣化，而且提供了简单地制造具有均匀磁特性的稀土磁体的制造方法。
解决方案：稀土磁体是通过至少热成型形成的磁体，并且包含：用作主相的R 2 X 14 B相的晶粒 ; 和包围晶粒周围的晶界相（R为选自Nd，Pr，Dy，Tb和Ho中的至少一种，X为Fe或Fe，Co部分被Co取代），其中元素RH 通过晶粒（RH是至少一种选自Dy，Tb和Ho）在晶界相中更集中，并且元素RH以从磁体的表面部分到中心的浓度分布基本恒定磁铁的一部分。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010114200A Method of manufacturing rare-earth magnet 审中-公开
标题翻译：制造稀土磁铁的方法
公开(公告)号：JP2010114200A
公开(公告)日：2010-05-20
申请号：JP2008284314
申请日：2008-11-05
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： SUZUKI TOSHIHARU , HIRAOKA MASAHIRO , YABUMI TAKAO
IPC分类号： H01F41/02 , B22F3/00 , B22F3/24 , C22C33/02 , C22C38/00 , H01F1/053 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a rare-earth magnet by which the rare-earth magnet having high coercive force is easily obtained. SOLUTION: An R2 metal and/or an R2-based alloy (where R2 is one kind of element selected from among Dy, Tb and Ho) is brought into contact with a surface of a rare-earth magnet having crystal particles including as a main phase an R1 2 X 14 B phase (where R1 is at least one of element selected from among rare-earth lanthanide elements and X is obtained by substituting Co for Fe or part of Fe) and having a crystal grain diameter of COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供容易获得具有高矫顽力的稀土类磁体的稀土类磁体的制造方法。解决方案：将R2金属和/或R2基合金（其中R2是选自Dy，Tb和Ho中的一种元素）与具有晶体颗粒的稀土磁体的表面接触，所述稀土磁体包括作为主相，通过将Co替换为稀土镧系元素和X中的至少一种元素，其中R 1为选自稀土镧系元素中的至少一种元素，X为R 2 Fe或Fe的一部分），并且具有<1μm的晶粒直径，并且进行热处理使得晶粒尺寸不超过1μm，从而将R2元素扩散到磁体中。优选地，R 2基合金可以含有选自Cu，Al，Ga，Ge，Sn，In，Si，P和Co.中的至少一种元素作为亚元素。版权所有（C）2010 ，JPO＆INPIT

4. 发明专利

JP2004069637A Optical dimension measuring apparatus 审中-公开
公开(公告)号：JP2004069637A
公开(公告)日：2004-03-04
申请号：JP2002232636
申请日：2002-08-09
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： YABUMI TAKAO , KANESHIGE KENICHI
IPC分类号： G01B11/10
摘要： PROBLEM TO BE SOLVED: To provide an optical dimension measuring apparatus for improving the accuracy for measuring a dimension of a heated wire, while heating and carrying the wire such as a hot wire, a warm wire, etc.
SOLUTION: The optical dimension measuring apparatus A is provided with a through-hole 31 disposed in the center of a plate and passing the heating wire W, such as the hot wire, the warm wire, etc. through and a measuring part, comprising a light-emitting part 32 and a light-receiving part 33 disposed opposite through the through-hole 31. The light-emitting part 32 is a light source, having a reduced fluctuation of luminescence intensity and low coherence, such as a light emitting diode 32a. In the apparatus A, dimension measurement for the heating wire W, such as hot wire, warm wire, etc. can be implemented accurately, without the influence of refraction distribution, existing around the heating wire W, such as hot wire, warm wire, etc.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2003284272A Permanent magnet motor 有权
标题翻译：永磁电机
公开(公告)号：JP2003284272A
公开(公告)日：2003-10-03
申请号：JP2002080023
申请日：2002-03-22
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： YABUMI TAKAO
IPC分类号： H02K29/00 , H02K1/27 , H02K21/16
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet motor using radial anisotropic magnets fabricated by hot extrusion with a reduction in cogging torque. SOLUTION: The permanent magnet motor M has permanent magnets 3 on the rotor 1. The permanent magnet comprise an upper split segment 4 and a lower split segment 5: the edge of the upper split segment 4 facing the lower split segment 5 is made to be a high retention force edge, and the edge of the lower split segment 5 facing the edge of the upper split segment 4 is made to be a high retention force edge; conversely, the edge of the upper split segment 4 facing the lower split segment 5 is made to be a low retention force edge, and the edge of the lower split segment 5 facing the edge of the upper split segment 4 is made to be a low retention force edge. Thus, the variation in retention force of the permanent magnet motor M is kept small. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供使用径向各向异性磁体的永磁电动机，其通过热挤压制造，齿槽转矩减小。解决方案：永磁电动机M在转子1上具有永磁体3.永磁体包括上分段4和下分段5，上分段段4的面向下分段5的边是被制成高保持力边缘，并且下分割段5的面向上分割段4的边缘的边缘被制成高保持力边缘; 相反，上分割段4的面向下分割段5的边缘被制成低保持力边缘，并且下分割段5的面向上分割段4的边缘的边缘被制成低保持力边缘。因此，永磁电动机M的保持力的变化保持较小。版权所有（C）2004，JPO

6. 发明专利

JP2003065010A Valve gear mechanism 审中-公开
标题翻译：阀门齿轮机构
公开(公告)号：JP2003065010A
公开(公告)日：2003-03-05
申请号：JP2001256104
申请日：2001-08-27
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： YABUMI TAKAO
IPC分类号： F01L1/32 , F01L9/04
摘要： PROBLEM TO BE SOLVED: To provide a valve gear mechanism by means of which stepped wear of the valve seat can be reduced irrespective of the valve disc material.
SOLUTION: The valve gear mechanism V is so constructed that the valve disc 11 is rotated through a prescribed angle being synchronized with opening and closing of the valve. Specifically, the mechanism is provided with an electromagnetic rotating mechanism 50 to rotate the valve disc 11. Here, the electromagnetic mechanism 50 is, for example, provided with a permanent magnet 51 fitted to the outer circumference of the valve stem 12, and a stator 52 having a required number of the primary windings 52 arranged around the permanent magnet, and magnetic poles of different polarity are alternately formed circumferentially at a prescribed distance.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种阀齿轮机构，通过该阀齿轮机构可以减小阀座的阶梯磨损，而不管阀盘材料如何。解决方案：阀齿轮机构V构造成使得阀盘11旋转与阀的打开和关闭同步的规定角度。具体而言，该机构设置有旋转阀盘11的电磁旋转机构50.这里，电磁机构50例如设置有安装在阀杆12的外周的永久磁铁51和定子 52具有围绕永磁体布置的所需数量的初级绕组52，并且以预定距离周向交替地形成不同极性的磁极。

7. 发明专利

JP2011004451A Linear actuator 审中-公开
标题翻译：线性执行器
公开(公告)号：JP2011004451A
公开(公告)日：2011-01-06
申请号：JP2009142952
申请日：2009-06-16
申请人： Daido Steel Co Ltd , Kanai Educational Institution , Nagoya Institute Of Technology , 国立大学法人名古屋工業大学 , 大同特殊鋼株式会社 , 学校法人金井学園
发明人： YABUMI TAKAO , MORITA YOSHIFUMI , KOBAYASHI HIROKI , UCHIDA MASAKI
IPC分类号： H02K33/16
摘要： PROBLEM TO BE SOLVED: To provide a linear actuator which stably applies a high thrust to the entire stroke of an output shaft.SOLUTION: A plate-shaped movable piece 51 made of a soft magnetic substance is arranged in space between a first yoke 11 and a second yoke 12 which abut each other with their planes in parallel. The linear actuator 100 reciprocates the movable piece along a moving axis parallel with the planes, and includes: permanent magnets 21, 22, 23 and 24 for forming a magnetic flux directed from the first yoke 11 to the second yoke 12 within the space; a first coil 31 wound around the first yoke 11 so as to form a magnetic force line along the moving axis; and a second coil 32 spaced from the first coil 31 and wound around the second yoke 12 so as to form a magnetic force line along the moving axis. The first coil 31 and the second coil 32 are applied with currents so that the magnetic force lines of the first coil 31 and the second coil 32 may be directed in opposite directions along the moving axis, for reciprocation.
摘要翻译：要解决的问题：提供一种稳定地对输出轴的整个行程施加高推力的线性致动器。解决方案：由软磁性物质制成的板状可动件51位于第一磁轭11和第二磁轭12，它们的平面平行地彼此邻接。线性致动器100沿着平行于平面的移动轴线使可动片往复运动，并且包括：永磁体21,22,23和24，用于在空间内形成从第一磁轭11引导到第二磁轭12的磁通; 围绕第一磁轭11缠绕以沿着移动轴线形成磁力线的第一线圈31; 以及与第一线圈31间隔开并缠绕在第二磁轭12上的第二线圈32，以沿着移动轴线形成磁力线。第一线圈31和第二线圈32被施加电流，使得第一线圈31和第二线圈32的磁力线可以沿着移动轴线沿相反方向被引导以便往复运动。

8. 发明专利

JP2009027847A Permanent magnet and embedded magnet type motor employing the same 审中-公开
标题翻译：永久磁铁和嵌入式磁铁类型电机使用它
公开(公告)号：JP2009027847A
公开(公告)日：2009-02-05
申请号：JP2007189031
申请日：2007-07-20
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： YABUMI TAKAO , EZAKI JUNICHI , YAMAMOTO TAKAHIRO
IPC分类号： H02K1/27 , H01F1/053 , H01F1/08 , H02K15/03
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet suitable for a surface magnet type motor and reducing the motor in size while increasing output. SOLUTION: The permanent magnet embedded in the rotor of a motor is formed integrally in a planar shape by connecting a plurality of magnet materials having different coercive forces. When it is embedded in the rotor, at least a high coercive force portion made of a magnet material having the highest coercive force out of the magnet materials is provided at a portion closest to the rotor surface, and the easy magnetization axis of the magnet is oriented in the direction substantially perpendicular to the plate surface. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供适用于表面磁铁式电动机的永磁体，并且在增加输出的同时减小电动机的尺寸。解决方案：通过连接具有不同矫顽力的多个磁体材料，嵌入电动机的转子中的永久磁铁一体地形成为平面形状。当嵌入转子中时，至少有一个由磁体材料制成的具有最高矫顽力的磁体材料制成的高矫顽力部分设置在最靠近转子表面的部分，并且易磁化轴是在大致垂直于板表面的方向上定向。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2007012866A Compressed magnetic core for reactor 审中-公开
标题翻译：压电磁芯用于反应器
公开(公告)号：JP2007012866A
公开(公告)日：2007-01-18
申请号：JP2005191618
申请日：2005-06-30
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKEMOTO SATOSHI , SAITO TAKANOBU , YABUMI TAKAO
IPC分类号： H01F37/00 , H01F27/24 , H01F27/255
摘要： PROBLEM TO BE SOLVED: To provide a compressed magnetic core for a reactor which is smaller than a reactor magnetic core using a silicon steel plate containing 6.5% Fe in noise to cause a temperature rise on a surface.
SOLUTION: In the compressed particle magnetic core for the reactor having a plurality of gaps orthogonally crossing the magnetic path length, when an average value of the magnetic path length is defined as L (mm) and the total value of gap widths as Lg (mm), a relationship of 1×10
-3 ≤Lg/L≤1×10
-2 can be established.
COPYRIGHT: (C)2007,JPO&INPIT

10. 发明专利

JP2005036823A Electric braking device for vehicle 审中-公开
标题翻译：电动汽车制动装置
公开(公告)号：JP2005036823A
公开(公告)日：2005-02-10
申请号：JP2003196983
申请日：2003-07-15
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： YABUMI TAKAO , MORITA YOSHIFUMI , UCHIDA MASAKI
IPC分类号： B60T13/12 , B60T13/74 , F16D65/18 , F16D65/20
摘要： PROBLEM TO BE SOLVED: To provide an electric braking device for a vehicle with reduced weight and improved responsiveness. SOLUTION: This electric braking device B for the vehicle can be mounted on each wheel and is provided with a brake disc 1, a brake pad 2, and a hydraulic driving system 3 for driving the brake pad 2. The hydraulic driving system 3 has an actuator integral type master cylinder 10 and a brake cylinder 20 provided on a rear face of the brake pad 2 to let the brake pad 2 advance and retract toward the brake disc 1 by oil pressure from the master cylinder 10. COPYRIGHT: (C)2005,JPO&NCIPI

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