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1. 发明专利

JP2014192989A Motor for evaluating iron core characteristics 审中-公开
标题翻译：用于评估铁心特性的电机
公开(公告)号：JP2014192989A
公开(公告)日：2014-10-06
申请号：JP2013065351
申请日：2013-03-27
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SHIGA NOBUISA , TODA HIROAKI , ODA YOSHIHIKO
IPC分类号： H02K1/06
摘要： PROBLEM TO BE SOLVED: To achieve compaction while ensuring a sufficient slot area, and to reduce material usage without increasing the capacity of a drive power supply or the scale of a load testing device.SOLUTION: A motor 1 for evaluating the iron core characteristics includes a cylindrical stator 2, and a cylindrical rotor 3 arranged on the inner peripheral part of the stator 2 while spaced apart therefrom. It has such a structure that the stator 2 and the rotor 3 and cylindrical spacers 4a, 4b formed of a nonmagnetic material having a specific gravity of 0.6 times or less of that of a magnetic material forming the stator core 2a or a rotor core 3a are arranged in the axial direction. The thickness D of the stator 2 or rotor 3 in the axial direction is 1/20 or less of the internal diameter Rs of the stator 2 or the external diameter Rr of the rotor 3, and the thickness D of the stator 2 or rotor 3 in the axial direction is 1/4 or less of the thickness of the spacers 4a, 4b in the axial direction.
摘要翻译：要解决的问题：在确保足够的槽面积的同时实现压实，并且在不增加驱动电源或负载测试装置的规模的能力的情况下减少材料使用。解决方案：用于评估铁芯特性的电动机1包括圆柱形定子2和圆柱形转子3，其与定子2的内周部分配置，同时间隔开。它具有这样的结构：定子2和转子3以及与形成定子铁芯2a或转子铁芯3a的磁性材料的重量比为0.6倍或更小的非磁性材料形成的圆柱形间隔物4a，4b是沿轴向布置。定子2或转子3的轴向厚度D是定子2的内径Rs或转子3的外径Rr的1/20以下，定子2或转子3的厚度D 在轴向方向上的间隔物4a，4b的厚度为轴向的1/4以下。

2. 发明专利

JP2009247096A Rotor of reluctance motor 审中-公开
标题翻译：电动机转子
公开(公告)号：JP2009247096A
公开(公告)日：2009-10-22
申请号：JP2008089651
申请日：2008-03-31
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SHIGA NOBUISA , FUJITA AKIRA , HONDA ATSUTO
IPC分类号： H02K19/10 , H02K1/22 , H02K1/30 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a rotor of a reluctance motor 1 in which the characteristics such as iron loss can be prevented from being deteriorated due to distortion caused in each of steel plates 2 to be stacked in forming a group of grooves 4 not penetrating in a thickness direction which are formed on the steel plates 2 to be stacked to constitute the rotor 1 circular in plan view, the grooves 4 starting at the outer circumference of a circle and coming out toward the outer circumference of the circle in plan view and forming a plurality of juxtaposed streaks having a smooth curved shape such as an arc or a straight line simulating the curved line, so as to correspond to the number of magnetic poles of the rotor 1.
SOLUTION: Etching is performed to form the group of grooves 4 not penetrating in a thickness direction which are formed on the steel plates to be stacked to constitute a rotor circular in plan view, the grooves starting at the outer circumference of a circle and coming out toward the outer circumference of the circle in plan view and forming a plurality of juxtaposed streaks having a smooth curved shape such as an arc or a straight line simulating the curved line, so as to correspond to the number of magnetic poles of the rotor.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种磁阻电动机1的转子，其中可以防止诸如铁损的特性由于每个钢板2中引起的变形而被形成一组槽形成 4在厚度方向上没有穿透形成在要堆叠的钢板2上以构成转子1的平面图中的圆形，槽4从圆的外圆周开始并且朝向圆的外圆周出来平面图，并且形成具有平滑弯曲形状的多个并列条纹，例如模拟曲线的弧或直线，以便对应于转子1的磁极数。解决方案：进行蚀刻为了形成在厚度方向上没有贯穿的一组凹槽4，该组槽形成在待堆叠的钢板上以构成平面图中的转子圆形，从圆周的外周开始的凹槽 d在平面图中朝向圆周的外圆周方向出射，并且形成具有平滑弯曲形状的多个并列条纹，例如弧线或模拟曲线的直线，以便对应于转子。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2013209681A Iron-based amorphous alloy thin strip 有权
标题翻译：基于铁的非晶合金薄条
公开(公告)号：JP2013209681A
公开(公告)日：2013-10-10
申请号：JP2012078770
申请日：2012-03-30
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , TAKASHIMA MINORU , OKABE SEIJI , SHIGA NOBUISA
IPC分类号： C22C45/02
摘要： PROBLEM TO BE SOLVED: To provide an Fe-B-Si-Mn-based amorphous alloy thin strip which is inexpensive and excellent in core loss characteristics.SOLUTION: An iron-based amorphous alloy thin strip includes component composition represented by chemical formula FeBSiMn(wherein x:75-87 at%, y: 6-15 at%, z: 7-17 at%, and a: 0.2-3 at%), and preferably includes one or more selected from 0.5 at% or less of Ni, 1 at% or less of Cr, 2 at% or less of C, 1 at% or less of P, and 2.0 at% or less of Cu as numbers included in the total, wherein skewness (Rsk) of a surface roughness curve in a surface which is in contact with a cooling roll is less than 0.
摘要翻译：要解决的问题：提供廉价且铁损特性优异的Fe-B-Si-Mn系非晶合金薄带。解决方案：铁基非晶合金薄带包括由化学式FeBSiMn（其中x：75-87原子％，y：6-15原子％，z：7-17原子％，a：0.2-3原子％），优选包含选自Ni原子的0.5原子％以下的一种以上，1原子％以下的Cr，2原子％以下的C，1原子％以下的P和2.0原子％以下的Cu作为总数，其中表面粗糙度曲线的斜率（Rsk）在与冷却辊接触的表面中小于0。

4. 发明专利

JP2011078220A Stator core for motor 有权
标题翻译：电机定子芯
公开(公告)号：JP2011078220A
公开(公告)日：2011-04-14
申请号：JP2009227648
申请日：2009-09-30
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ISHIDA MASAYOSHI , SENDA KUNIHIRO , FUJITA AKIRA , SHIGA NOBUISA
IPC分类号： H02K1/14
摘要： PROBLEM TO BE SOLVED: To provide a stator core controlling flow of magnetic flux in the stator core, and suppressing an excessive high frequency magnetization component and a magnetization component perpendicular to a steel plate face, for realizing torque performance and efficiency of a motor.
SOLUTION: A teeth part of the stator core consists of an end part and a root part. Magnetic flux density B(T)
50 in magnetizing force of 5,000 A/m of the end part is 1.75 T or more, and a difference (B(T)
50 -B(R)
50 ) between magnetic flux density B(T)
50 of the end part and magnetic flux density B(R)
50 of the root part is 0.05 T or more. The end part has length of 1/20 of whole length of the teeth part from the end of the teeth part and width smaller by 1 to 3% compared with width of the root part.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种控制定子铁心中的磁通流量的定子铁芯，并且抑制过高的高频磁化分量和垂直于钢板表面的磁化分量，以实现转矩性能和效率发动机。
解决方案：定子芯的齿部由端部和根部组成。端部的磁化力为5000A / m的磁通密度B（T） 50 为1.75T以上，（B（T） 50 < 端部的磁通密度B（T） 50 和磁通密度B（R） 50 的B（R） 50 根部为0.05T以上。端部具有从牙齿部分的端部到牙齿部分的全长的1/20的长度，并且与根部的宽度相比，宽度减小1至3％。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2009247060A Stator core for motor 有权
标题翻译：电机定子芯
公开(公告)号：JP2009247060A
公开(公告)日：2009-10-22
申请号：JP2008088268
申请日：2008-03-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ISHIDA MASAYOSHI , FUJITA AKIRA , NAMIKAWA MISAO , SHIGA NOBUISA , NAKANISHI TADASHI
IPC分类号： H02K1/02 , H02K1/16
CPC分类号： H02K1/02 , H02K1/16
摘要： PROBLEM TO BE SOLVED: To provide a stator core that suppresses a surplus high-frequency magnetization component and a magnetization component which is vertical with respect to the surface of a steel plate by controlling a flow of magnetic flux in the stator core in order to strike a balance between the torque performance and the efficiency of a motor.
SOLUTION: In the stator core, the length of a tooth of the stator core is set to be L, a tip having a length of at least L/20 of the tooth from the tip of the tooth is formed in the stator core, the density B(T)
50 of the magnetic flux at the 5,000 A/m of the tip is set to be not smaller than 1.75 T when the remaining part of the core is set as the root, and a difference (B(T)
50 -B(R)
50 ) between the density B(T)
50 of the tip and the density B(R)
50 of the root is set to be not smaller than 0.05 T.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：为了提供一种定子铁芯，其通过控制定子铁心中的磁通量的流动来抑制剩余高频磁化分量和相对于钢板表面垂直的磁化分量以达到扭矩性能与电机效率之间的平衡。解决方案：在定子铁心中，定子铁芯的齿长度设定为L，在定子中形成具有来自齿顶部的齿的至少L / 20的长度的尖端芯部的5,000A / m处的磁通量的密度B（T） 50 设定为不小于1.75T，当芯的剩余部分设定为根时，以及尖端的密度B（T） 50 与尖端的密度B（T） 50 之间的差异（B（T） 50 SB- 根的密度B（R） 50 设定为不小于0.05T。版权所有：（C）2010，JPO＆INPIT

6. 发明专利

JP2009171653A Dust core for motor 有权
标题翻译： DUST CORE FOR MOTOR
公开(公告)号：JP2009171653A
公开(公告)日：2009-07-30
申请号：JP2008003891
申请日：2008-01-11
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SHIGA NOBUISA
IPC分类号： H02K1/02 , H02K1/18
摘要： PROBLEM TO BE SOLVED: To provide a dust core for a motor which secures the rigidity of a the core and the rigidity of a part toward roots of teeth from, in particular, a connecting point of the teeth and a yoke while making use of such an advantage of the dust core that the shape of the core for the motor is freely formed. SOLUTION: The dust core 5 for the motor is obtained by pressure-molding magnetic material powder, and embedded with a T-shaped electromagnetic steel plate 2 in a portion straddling the teeth 51 of the dust core 5 for the motor and the yoke 52. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种马达的防尘芯，其将芯的刚度和部件朝向根部的刚性特别是从齿的连接点和轭连接起来，同时制成使用防尘芯的这种优点，使得用于马达的芯的形状是自由形成的。解决方案：电动机的防尘芯5是通过对磁性材料粉末进行加压成型而形成的，并且在与马达的防尘芯5的齿51相交的部分中埋设有T形电磁钢板2，债券52.版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2010259158A Core material for high-speed motors 有权
标题翻译：高速电机的核心材料
公开(公告)号：JP2010259158A
公开(公告)日：2010-11-11
申请号：JP2009103754
申请日：2009-04-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , KONO MASAAKI , FUJITA AKIRA , ZAIZEN YOSHIAKI , SHIGA NOBUISA , HIRATANI TATSUHIKO
IPC分类号： H02K1/02 , C22C38/00 , C22C38/06 , H01F1/16
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a core material for high-speed motors excellent in balance between strength and iron loss. SOLUTION: The core material for high-speed motors with superior magnetic properties and strength is prepared as follows: its surface layer part is comprised of silicon steel composed of 2 to 7% of Si in mass%, remanent Fe, and unavoidable impurities; and its inner layer part is comprised of steel with a yield strength of 500 MPa or above. The inner layer part is higher in yield strength than the surface layer part. The ratio of the thickness on either side of the surface layer to the overall thickness is 0.1 to 0.7. With respect to iron loss (W2/10K) measured by plate thickness/single layer, the surface layer part is made lower than the inner layer part. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供强度和铁损之间的平衡优异的高速电动机的芯材。解决方案：具有优异磁性能和强度的高速电机用芯材的制备如下：其表层部分由以质量％计2％至7％Si，残留Fe和不可避免的硅杂质; 其内层部分由屈服强度为500MPa以上的钢构成。内层部分的屈服强度高于表层部分。表层的任一侧的厚度与总厚度之比为0.1〜0.7。对于通过板厚/单层测定的铁损（W2 / 10K），表层部分比内层部分低。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010154590A Rotor core material for ipm motors, and rotor core for ipm motors 有权
标题翻译： IPM电机的转子芯材和IPM电机的转子芯
公开(公告)号：JP2010154590A
公开(公告)日：2010-07-08
申请号：JP2008326871
申请日：2008-12-24
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , KONO MASAAKI , FUJITA AKIRA , ZAIZEN YOSHIAKI , SHIGA NOBUISA , HIRATANI TATSUHIKO
IPC分类号： H02K1/27
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a rotor core material for IPM motors, which is excellent in motor efficiency and is excellent in balance between strength and iron loss, and a rotor core for IPM motors.
SOLUTION: The rotor core material for IPM motors used as an iron core is a multilayered steel plate consisting of three-layer structure of a surface layer, an inner layer, and a surface layer in its thickness direction, and the surface layer consists of a ferromagnetic material, and the inner layer consists of a nonmagnetic material, and besides the ratio of the thickness of the surface layer to the whole thickness is 0.2-0.8. Then, the rotor core for IPM motors can be obtained by removing the ferromagnetic materials in both layers of a bridge part which is formed between adjacent magnet insertion holes and/or magnet insertion holes and the periphery of the rotor, using the material.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种电动机效率优异且强度与铁损之间的平衡优异的IPM电动机的转子芯材以及用于IPM电动机的转子铁心。解决方案：用作铁芯的IPM电动机的转子芯材是由厚度方向的表面层，内层和表面层的三层结构构成的多层钢板，表层由铁磁材料组成，内层由非磁性材料组成，除了表面层的厚度与整个厚度之比也为0.2-0.8。然后，通过使用该材料除去形成在相邻的磁体插入孔和/或磁体插入孔和转子的周边之间的桥接部分的两层中的铁磁材料，可以获得用于IPM电动机的转子芯。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009201236A Electric motor and method for fixing stator of the electric motor 有权
标题翻译：电动机和固定电动机定子的方法
公开(公告)号：JP2009201236A
公开(公告)日：2009-09-03
申请号：JP2008039559
申请日：2008-02-21
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： FUJITA AKIRA , SHIGA NOBUISA
IPC分类号： H02K1/18 , H02K5/04
摘要： PROBLEM TO BE SOLVED: To provide a method for fixing the stator of an electric motor, having little loss and deterioration of materials by minimizing a range where a compression stress applied to an iron core, in particular, a yoke portion which the stator influences, and to provide a high-efficiency electric motor.
SOLUTION: The stator of the electric motor has a segment-shape convex portion on the outer circumference of a yoke, and a case of the electric motor has a segment-shape concave portion on the inner circumference. Furthermore, a coupling portion is provided to couple the stator of the electric motor and the case of the electric motor by mating the convex portion to the concave portion, and a gap is provided between the outer circumference of the yoke of the stator of the electric motor and the inner circumference of the case of the electric motor, excluding the coupling portion between the stator of the electric motor and the case of the electric motor. In addition, to obtain higher motor efficiency, the cross-sectional shape of the end of the convex portion is preferably formed in a spiral, in the direction of the rotating shaft of the electric motor.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过使施加在铁芯上的压缩应力的范围最小化的材料的损失和劣化，使电动机的定子固定的方法，特别是磁轭定子影响，并提供高效率的电动机。解决方案：电动机的定子在轭的外周上具有段形凸部，电动机的壳体在内圆周上具有段状的凹部。此外，通过将凸部与凹部配合，将电动马达的定子与电动马达的壳体联接，并且在电动机的定子的轭的外周之间设置有间隙电动机和电动机的壳体的内周，不包括电动机的定子与电动机的壳体之间的联接部分。此外，为了获得更高的电动机效率，凸部的端部的截面形状优选以电动机的旋转轴的方向成螺旋形地形成。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009185357A Non-oriented electrical steel sheet, and method for producing the same 有权
标题翻译：非导电电工钢板及其制造方法
公开(公告)号：JP2009185357A
公开(公告)日：2009-08-20
申请号：JP2008027937
申请日：2008-02-07
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SENDA KUNIHIRO , KONO MASAAKI , SHIGA NOBUISA
IPC分类号： C22C38/00 , B21B3/02 , C21D8/12 , C22C38/02 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an electrical steel sheet where, while minimizing the reduction of permeability at about 1.4 to 1.6T as the general operating magnetic flux density in recent permanent magnet motors and small-sized transformers, in the magnetic flux density region lower than that, permeability is suitably reduced, and the nonlinearity of a magnetization curve is reduced, thus the loss of permanent magnet motors and the increase in the strain of a waveform at small-sized iron cores can be prevented. SOLUTION: Compressive stress of ≥5 MPa is applied to the surface of a non-oriented electrical steel sheet comprising 0.1 to 4 mass% Si, having a sheet thickness of 0.10 to 1.0 mm, and having specified magnetic properties. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种电磁钢板，其中，尽管最小化在近似的永久磁铁电动机和小型变压器中的磁通量中作为一般操作磁通密度的约1.4至1.6T的磁导率的降低密度区域低，磁导率适当降低，磁化曲线的非线性降低，因此可以防止永磁电动机的损耗和小尺寸铁芯上的波形的应变增加。解决方案：将含有0.1〜4质量％Si的无取向电工钢板的表面施加≥5MPa的压缩应力，其厚度为0.10〜1.0mm，具有规定的磁特性。版权所有（C）2009，JPO＆INPIT

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