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1. 发明专利

JP2004304995A Exciter, field unit, and motor using same 有权
公开(公告)号：JP2004304995A
公开(公告)日：2004-10-28
申请号：JP2003425704
申请日：2003-12-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HIRAYAMA TAKASHI , KAWACHI TAKESHI , FUJII AKIRA , SUZUKI NORIYUKI , TAKEUCHI EIICHI , ABE NORITO , YABUMOTO MASAO , MOGI TAKASHI
IPC分类号： H02K1/06 , H02K1/14 , H02K1/18 , H02K21/12
摘要： PROBLEM TO BE SOLVED: To provide an exciter which is used for a motor where a field unit is arranged on the inside and outside of the exciter, with a yoke divided in circumferential direction, capable of reducing magnetic resistance and iron loss and increasing magnetic flux (B), and to provide a motor using the same. SOLUTION: An exciter 3 is used for a motor where a field unit is arranged on the inside and outside of the exciter. The exciter comprises a yoke 4 and a teeth 5. At least a part of the teeth or yoke is divided, and at least a part of the yoke or teeth comprises unidirectional electromagnetic steel plate or bidirectional electromagnetic steel plate. The axis of easy magnetization of the yoke is arranged in the circumferential direction of the exciter and laminated while the axis of easy magnetization of the teeth is arranged in radial direction of the exciter and laminated. The motor uses the exciter. COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2004282832A Stator for low iron loss motor, and manufacturing method thereof 审中-公开
标题翻译：低铁损电机定子及其制造方法
公开(公告)号：JP2004282832A
公开(公告)日：2004-10-07
申请号：JP2003068015
申请日：2003-03-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWACHI TAKESHI , SUZUKI NORIYUKI , TAKEUCHI EIICHI , ABE NORITO , YABUMOTO MASAO , MOGI TAKASHI , FUJII AKIRA , HIRAYAMA TAKASHI
IPC分类号： H02K1/02 , H02K1/18
摘要： PROBLEM TO BE SOLVED: To provide a stator for a low iron loss motor, along with its manufacturing method, that uses a dust core for generating a high torque.
SOLUTION: The stator for a motor is a dust core stator which is obtained by pressing into powder, joining, and solidifying magnetic powder. The surface of the magnetic powder is covered with an insulating coat. The easy magnetization direction of the magnetic powder is oriented in the direction of magnetic flux generated when the motor, composed of the stator and a rotor, is operated. The magnetic powder is preferred to be the single crystal iron powder whose surface is covered with the insulating coat.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于低铁损电动机的定子及其制造方法，其使用压芯用于产生高扭矩。解决方案：电动机的定子是通过压入粉末，接合和固化磁粉而获得的压芯定子。磁性粉末的表面覆盖有绝缘涂层。当由定子和转子组成的电动机被操作时，磁粉的易磁化方向取向于产生的磁通方向。磁性粉末优选为表面被绝缘层覆盖的单晶铁粉末。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2006246544A Segmented stator for motor 有权
标题翻译：电动定时器
公开(公告)号：JP2006246544A
公开(公告)日：2006-09-14
申请号：JP2005051712
申请日：2005-02-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWACHI TAKESHI , HIRAYAMA TAKASHI , WAKIZAKA TAKEAKI , TAKEUCHI EIICHI , MOGI TAKASHI , SUZUKI NORIYUKI , YABUMOTO MASAO , FUJISAKI KEISUKE , ABE NORITO
IPC分类号： H02K1/18 , H02K1/02
摘要： PROBLEM TO BE SOLVED: To reduce iron loss and an exciting current by charging an inevitable gap made at the segment engaging part of a segmented stator with magnetic powder rearrangeably thereby raising the permeability sufficiently and mitigating the thermal stress due to heat generation.
SOLUTION: In the segmented stator consisting of segmented stator parts which are divided to cut the magnetic path made inside the stator having the winding of a motor within, the gap made at a part where the above segmented stator parts are engaged with one another is charged with magnetic powder.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题为了通过以可重新排列的磁粉填充在分段定子的部分接合部分处形成的不可避免的间隙，从而充分提高渗透性并减轻由于发热引起的热应力，来减少铁损和励磁电流。解决方案：在由分段的分段定子构成的分段定子中，分段定子部分被切割成具有电动机绕组的定子内部的磁路，在上述分段定子部分与一个定子部分接合的部分处形成的间隙另一个是带有磁粉的。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005295612A Dual rotor motor 有权
标题翻译：双转子电机
公开(公告)号：JP2005295612A
公开(公告)日：2005-10-20
申请号：JP2004103303
申请日：2004-03-31
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWACHI TAKESHI , HIRAYAMA TAKASHI , ABE NORITO , TAKEUCHI EIICHI , YABUMOTO MASAO
IPC分类号： H02K5/20 , H02K9/02 , H02K16/02
摘要： PROBLEM TO BE SOLVED: To provide a technology for cooling a dual rotor motor inexpensively and efficiently.
SOLUTION: In a dual rotor motor comprising an annular stator core, a stator consisting of a plurality of coil parts wound around the stator core, and a rotor supported by a rotary shaft and contained in a case while having an inside core and an outside core arranged annularly to face the inside and outside of the stator, a plurality of vents are provided, respectively, at positions corresponding to radial inside of the stator on the plane of the case intersecting the rotary shaft perpendicularly and the plane of the case parallel with the rotary shaft.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种低成本，高效地冷却双转子电动机的技术。解决方案：在包括环形定子铁芯的双转子电动机中，由缠绕在定子铁芯上的多个线圈部分组成的定子和由旋转轴支撑并且具有内部磁芯的壳体中的转子，分别环形地设置成面向定子的内部和外部的外芯，多个通气口分别设置在与旋转轴垂直的壳体的平面上的定子的径向内侧的位置和壳体的平面与旋转轴平行。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2003319618A Stator for use in electric motor with low core loss, and its manufacturing method 审中-公开
标题翻译：低电芯电机电机使用的定子及其制造方法
公开(公告)号：JP2003319618A
公开(公告)日：2003-11-07
申请号：JP2002114204
申请日：2002-04-17
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWACHI TAKESHI , SUZUKI NORIYUKI , TAKEUCHI EIICHI , YABUMOTO MASAO , ABE NORITO
IPC分类号： H02K1/00 , H02K1/06 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To reduce the core loss of a stator for use in an electric motor, and manufacture the stator for electric motor in a short period of time.
SOLUTION: In a stator for use in an inner rotor type electric motor in which a plurality of steel sheets each punched in a predetermined shape are laminated and integrated, circumferential tensile strength remains in a range of 0.5 to 2 times tooth width from the inside end face of a yoke, radial tensile strength remains at a range excluding 1 to 4 times the thickness of the steel sheet from the end face of the punched slot of the tooth part. In a stator for use in an outer rotor type electric motor, a plurality of steel sheets each punched in a predetermined shape are laminated and integrated, circumferential tensile strength remains in a range of 0.5 to 2 times tooth width from the outside end face of the yoke, radial tensile strength remains at a range excluding 1 to 4 times the thickness of the steel sheet from the end face of the punched slot of the tooth part.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了减少用于电动机的定子的铁心损耗，并且在短时间内制造用于电动机的定子。解决方案：在用于内转子型电动机的定子中，其中以预定形状冲压的多个钢板被层叠并整合，圆周拉伸强度保持在从齿宽的0.5至2倍的范围内磁轭的内端面径向拉伸强度保持在从齿部的冲压槽的端面除去钢板厚度1〜4倍的范围。在用于外转子型电动机的定子中，以规定形状冲压的多个钢板被层叠并一体化，圆周拉伸强度保持在齿宽的0.5〜2倍的范围内磁轭，径向拉伸强度保持在从齿部的冲孔的端面除去钢板厚度的1至4倍的范围内。版权所有（C）2004，JPO

6. 发明专利

JP2003079113A Resin-sealed stator for electric motor, manufacturing method therefor and die for resin sealing 有权
标题翻译：电动马达的密封式定子，树脂密封的制造方法及其制造方法
公开(公告)号：JP2003079113A
公开(公告)日：2003-03-14
申请号：JP2001261089
申请日：2001-08-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SUZUKI NORIYUKI , ABE NORITO , TAKEUCHI EIICHI
IPC分类号： H02K1/04 , H02K3/44 , H02K15/12
摘要： PROBLEM TO BE SOLVED: To provide a resin-sealed stator for an electric motor of simple constitution and low iron loss.
SOLUTION: This is a resin-sealed stator for an electric motor which has tensile residual stress in the circumferential direction of the core back portion of a laminated iron core 1. This method is for performing resin sealing in an extended state of the inside diameter of the laminated iron core of the stator, and causing tensile stress to remain behind, or conducting resin sealing in a state of the laminated iron core being shrinkage-fitted to a core. This is a die for resin-sealing the laminated iron core of the stator for an electric motor, and has an outside-diameter extending mechanism in its core.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种结构简单，铁损低的电动机的树脂密封定子。解决方案：这是一种用于电动机的树脂密封定子，其在层叠铁芯1的芯部后部的圆周方向上具有拉伸残余应力。该方法用于在扩展状态下进行树脂密封，定子的层叠铁芯，并且使得拉伸应力保持在后面，或者在层叠的铁芯的状态下将树脂密封收缩配合到芯部。这是用于树脂密封用于电动机的定子的层叠铁芯的模具，并且在其芯部具有外径延伸机构。

7. 发明专利

JP2006238612A Split stator of motor and its manufacturing process 有权
标题翻译：电动机分体定子及其制造过程
公开(公告)号：JP2006238612A
公开(公告)日：2006-09-07
申请号：JP2005050125
申请日：2005-02-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWACHI TAKESHI , HIRAYAMA TAKASHI , WAKIZAKA TAKEAKI , TAKEUCHI EIICHI , MOGI TAKASHI , SUZUKI NORIYUKI , YABUMOTO MASAO , FUJISAKI KEISUKE , ABE NORITO
IPC分类号： H02K1/18 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To reduce iron loss and exciting current by arranging magnetic powder to connect the fitting surfaces in an inevitable air gap being formed at the fitting portion of a split stator and then solidifying the magnetic powder with resin thereby enhancing permeability sufficiently.
SOLUTION: In the split stator of a motor where an air gap being formed at the fitting portion of split stator parts divided to cut a magnetic path being formed in the stator of a motor incorporating the winding is filled with magnetic powder which is then solidified, the magnetic powder is arranged in parallel with the direction of flux being generated when the motor is operating.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了减少铁损和励磁电流，通过设置磁粉将连接在分隔定子的配合部分所形成的不可避免的气隙中的装配表面连接，然后用树脂固化磁粉，从而增强磁导率充分地。解决方案：在电动机的分体定子中，在形成在分离定子部件的嵌合部分上的气隙被划分成在包含绕组的电动机的定子中形成的磁路的空气填充有磁粉，然后固化，磁体粉末与马达运转时产生的磁通方向平行布置。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2003319587A Small core loss inner rotor motor and its manufacturing method 审中-公开
标题翻译：小内径转子电机及其制造方法
公开(公告)号：JP2003319587A
公开(公告)日：2003-11-07
申请号：JP2002118087
申请日：2002-04-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWACHI TAKESHI , SUZUKI NORIYUKI , TAKEUCHI EIICHI , YABUMOTO MASAO , ABE NORITO
IPC分类号： H02K1/30 , H02K1/26 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To manufacture an inner rotor motor in a short time by reducing the core loss of the rotor.
SOLUTION: In the inner rotor motor having a plurality of steel sheets each punched in a predetermined shape and laminated and integrated, a tensile stress in a circumferential direction is retained in a range of 0.5 times to twice the width of each of Tees from the end face of the outer periphery of a yoke, and the tensile stress in a radial direction is retained in a range except one to four times thickness of the steel sheet from the slot-punched end face of the Tees.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：通过减少转子的铁损，在短时间内制造内转子电动机。解决方案：在具有多个钢板的内转子电机中，每个钢板均冲压成预定形状并层压并整合，沿圆周方向的拉伸应力保持在每个三通的宽度的0.5倍至两倍的范围内从磁轭的外周的端面，径向的拉伸应力保持在与三通的槽口端面相比钢板厚度的1〜4倍的范围内。版权所有（C）2004，JPO

9. 发明专利

JP2005333695A Exciter and rotary electric machine employing it 审中-公开
标题翻译： EXCITER和旋转电机使用
公开(公告)号：JP2005333695A
公开(公告)日：2005-12-02
申请号：JP2004147474
申请日：2004-05-18
申请人： Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 新日本製鐵株式会社
发明人： HIRAYAMA TAKASHI , TAKEUCHI EIICHI , ABE NORITO , MAEDA MASAKATSU , YAMADA YONEO , ITO MAKOTO , KAMIYA MUNEHIRO , TAKEHARA AKIHIDE
IPC分类号： H02K1/18 , H02K1/06 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide an exciter (stator) having split yoke and teeth in which flux (B) can be increased by reducing magnetic resistance and iron loss, and to provide a rotary electric machine employing it.
SOLUTION: The exciter generating a moving field upon conduction of a current has a yoke and teeth wherein electromagnetic steel plates constituting the yoke and the teeth are laminated in different directions. A rotary electric machine employing it is also provided.
COPYRIGHT: (C)2006,JPO&NCIPI

10. 发明专利

JP2005036304A METHOD OF PRODUCING HOT DIP Zn-Mg-Al BASED PLATED STEEL SHEET HAVING EXCELLENT APPEARANCE 有权
标题翻译：生产具有优异外观的热镀锌锌镁合金钢板的方法
公开(公告)号：JP2005036304A
公开(公告)日：2005-02-10
申请号：JP2003430019
申请日：2003-12-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NISHIMURA KAZUMI , SAWAI TAKASHI , TAKEUCHI EIICHI , HARADA HIROSHI , NIIGASHIRA HIDETOSHI , MATSUOKA HIDEO , MIYAZAKI ATSUSHI
IPC分类号： C23C2/26 , C23C2/02 , C23C2/06 , C23C2/12
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a hot dip Zn-Mg-Al based plated steel sheet having excellent appearance. SOLUTION: As for the method of producing a hot dip Zn-Mg-Al based plated steel sheet having excellent appearance, in a method of producing a hot dip Zn-Mg-Al based plated steel sheet where a steel sheet is dipped into a coating bath comprising, by mass, 0.1 to 60% Al and 0.1 to 10% Mg and is taken up from the bath, and, after the control of the coating weight by wiping, the hot dip plated steel sheet is cooled to solidify the plating layer, after the control of the coating weight, before the cooling, the surface of the plating layer in the non-solidified state is contacted with a solid surface, so that solidified nuclei are formed inside the plating layer. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种具有优异外观的热浸Zn-Mg-Al系镀覆钢板的制造方法。＆lt; P＆gt;解决方案：在制造具有优异外观的热浸Zn-Mg-Al系镀覆钢板的方法中，在制造浸渍Zn-Mg-Al系镀层钢板的方法中，进入包含质量为0.1〜60％的Al和0.1〜10％的Mg并从浴中吸收的涂布浴中，并且通过擦拭控制涂布重量后，将该热浸镀钢板冷却固化镀层在控制涂层重量之后，在冷却之前，将非固化状态的镀层的表面与固体表面接触，从而在镀层内形成固化的核。版权所有（C）2005，JPO＆NCIPI

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