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1. 发明授权

US5821710A Brushless motor having permanent magnets 失效
标题翻译：具有永久磁铁的无刷电机
公开(公告)号：US5821710A
公开(公告)日：1998-10-13
申请号：US933968
申请日：1997-09-19
申请人： Masahiro Masuzawa , Noriyoshi Hirao , Takashi Sasaki , Masahiro Mita
发明人： Masahiro Masuzawa , Noriyoshi Hirao , Takashi Sasaki , Masahiro Mita
IPC分类号： H02K16/02 , H02K21/00 , H02K29/08 , H02K7/12 , H02K21/14
CPC分类号： H02K21/029 , H02K16/02 , H02K29/08
摘要： A brushless motor having permanent magnets that can be used as a prime mover for automobiles, in place of internal combustion engines, since the motor can yield high torque during low-speed rotation, as in the case of conventional types of brushless motors and can be used at high torque and with excellent motor efficiency at rotations three times as high as that of conventional types. The brushless motor having permanent magnets according to the invention comprises a stator having a plurality of stator magnetic poles and a winding for generating a rotating field in the stator magnetic poles, a rotor having a rotating shaft and field permanent magnets rotating with respect to the stator magnetic poles, a control circuit for detecting the position of magnetic poles of the field permanent magnet with respect to the stator and feeding current to the winding in accordance with the position; wherein the field permanent magnets comprise a first field permanent magnet having magnetic poles of different polarities alternately arranged in the direction of rotation, and a second field permanent magnet that is adapted to be rotatable with respect to the first field permanent magnet and has magnetic poles of different polarities alternately arranged in the direction of rotation; the first and second field permanent magnets facing the stator magnetic poles, and a mechanism for changing the phase of the synthesized magnetic poles of the first and second field permanent magnets in accordance with the rotation of the rotor is provided.
摘要翻译：具有可用作汽车原动机的永磁体的无刷电动机代替内燃机，因为如在常规类型的无刷电动机的情况下电机可以在低速旋转期间产生高转矩，并且可以是以高扭矩使用，并且在旋转时具有优异的电动机效率，是常规类型的三倍。根据本发明的具有永磁体的无刷电动机包括具有多个定子磁极的定子和用于在定子磁极中产生旋转场的绕组，具有旋转轴的转子和相对于定子旋转的励磁永磁体磁极，用于根据该位置检测励磁永磁体的磁极相对于定子的位置并将电流馈送到绕组的控制电路; 其中所述场永磁体包括具有沿旋转方向交替布置的具有不同极性的磁极的第一场永磁体和适于相对于第一场永磁体可旋转的第二场永磁体，并且具有磁极不同的极性沿旋转方向交替布置; 提供面向定子磁极的第一和第二场永久磁铁，以及根据转子的旋转改变第一和第二场永磁体的合成磁极的相位的机构。

2. 发明申请

US20090085416A1 YOKE-INTEGRATED BONDED MAGNET AND MAGNET ROTATOR FOR MOTOR USING THE SAME 有权
标题翻译： YOKE-INTEGRATED BONDED MAGNET AND MAGNET ROTATOR FOR MOTOR WITH THE SAME
公开(公告)号：US20090085416A1
公开(公告)日：2009-04-02
申请号：US12280928
申请日：2007-02-28
申请人： Masahiro Masuzawa , Masahiro Mita , Shigeho Tanigawa , Kyohei Aimuta
发明人： Masahiro Masuzawa , Masahiro Mita , Shigeho Tanigawa , Kyohei Aimuta
IPC分类号： H01F3/08
CPC分类号： H02K15/03 , H01F1/26 , H01F1/37 , H01F3/10 , H01F41/0246 , H01F41/0266 , H01F2003/103 , H02K1/2733 , H02K1/276 , H02K1/2766 , H02K1/278
摘要： This invention provides a soft magnetic yoke-integrated bonded magnet in which a soft magnetic yoke has been integrally compression molded in such a state that the soft magnetic yoke is engaged in a joined face formed by bringing a binding material-containing magnetic powder into contact with a binding material-containing soft magnetic powder. The soft magnetic yoke part and the bonded magnetic part are constructed so that, when the soft magnetic yoke part and the bonded magnet part are compression molded separately from each other, the spring back level is identical upon the release of the compression force.
摘要翻译：本发明提供了一种软磁轭一体型粘结磁体，其中软磁轭已经被整体地压缩成型，使得软磁轭接合在通过使含粘合材料的磁粉与含有粘合剂的软磁粉末。软磁轭部和接合磁性部构成为，当软磁轭部和粘结磁体部彼此分开压缩成型时，弹性回位水平在释放压缩力时相同。

3. 发明申请

US20060255894A1 Motor 有权
标题翻译：发动机
公开(公告)号：US20060255894A1
公开(公告)日：2006-11-16
申请号：US11429946
申请日：2006-05-09
申请人： Yuji Enomoto , Motoya Ito , Ryoso Masaki , Koichiro Ohara , Masahiro Mita , Matahiro Komuro , Masahiro Masuzawa
发明人： Yuji Enomoto , Motoya Ito , Ryoso Masaki , Koichiro Ohara , Masahiro Mita , Matahiro Komuro , Masahiro Masuzawa
IPC分类号： H01F7/02
CPC分类号： H02K1/278 , H02K15/03
摘要： It is desired to design a coreless motor in which a gap size is set to be as small as possible, and a magnet having a large energy product is used in order to increase the gap magnetic flux density since the coreless motor has no iron core so that the magnetic flux density is small in the gap part. A rotor core of the motor has a permanent magnet rotor which is formed by a compression molding means, and which is formed of a compact formed by molding a powder material, the compact comprising a bond magnetic portion mainly composed of a binder and a magnetic powder, and a soft magnetic portion mainly composed of a binder and a soft magnetic powder, the bond magnetic portion having magnetic poles having at least one surface which is mechanically bonded to the soft magnetic portion, in order to solve the inherent problems.
摘要翻译：希望设计其中间隙尺寸设定为尽可能小的无芯电动机，并且使用具有大能量乘积的磁体，以便增加无芯电动机没有铁芯的间隙磁通密度磁隙密度在间隙部分较小。电动机的转子铁心具有由压缩成型装置形成的永久磁铁转子，该永久磁铁转子由通过模制粉末材料形成的压块形成，该压块包括主要由粘合剂构成的粘合磁性部分和磁性粉末以及主要由粘合剂和软磁性粉末组成的软磁性部分，所述粘结磁性部分具有至少一个表面机械地结合到软磁性部分的磁极，以解决固有的问题。

4. 发明授权

US08039998B2 Rotor for motor and method for producing the same 有权
标题翻译：电动机转子及其制造方法
公开(公告)号：US08039998B2
公开(公告)日：2011-10-18
申请号：US11721956
申请日：2005-12-19
申请人： Masahiro Masuzawa , Masahiro Mita , Keiko Kikuti
发明人： Masahiro Masuzawa , Masahiro Mita , Keiko Kikuti
IPC分类号： H02K15/12
CPC分类号： H01F41/028 , H01F1/0578 , H01F1/22 , H02K1/246 , H02K1/2733 , H02K1/278 , H02K15/03
摘要： A surface magnet type rotor and an inner magnet type rotor having good motor characteristics in which bonding strength is high between a magnet section and a soft magnetic yoke section, and structural reliability is high even in high speed use, and its producing method. The rotor comprises an anisotropic bond magnet section and a soft magnetic section wherein the anisotropic bond magnet section is preformed in magnetic field and then formed to be integrated with the soft magnetic section in nonmagnetic field. Subsequently, it is heat hardened to produce a surface magnet type rotor. Magnet units, each having a magnetic pole composed by bonding a pair of permanent magnets such that the directions of magnetization become symmetric with respect to the bonding surface, are linked such that magnetic poles of different polarities appear alternately on the magnetic action surface thus forming an anisotropic magnet body. Good motor characteristics can be attained by setting an angle to 5-40° between the direction of magnetization of the permanent magnet and a diametral direction passing the bonding surface.
摘要翻译：具有良好的电动机特性的表面磁铁型转子和内磁式转子，其中磁体部分和软磁轭部分之间的结合强度高，并且即使在高速使用中结构可靠性也高，及其制造方法。转子包括各向异性粘结磁体部分和软磁性部分，其中各向异性粘结磁体部分在磁场中预成形，然后形成为与非磁场中的软磁性部分成一体。随后，将其热固化以产生表面磁体型转子。磁体单元各自具有通过将一对永久磁体接合使得磁化方向相对于接合表面对称而构成的磁极，使得磁性作用表面上交替出现不同极性的磁极，从而形成各向异性磁体。通过将永磁体的磁化方向和通过接合面的直径方向之间的角度设定为5-40°，可以获得良好的电机特性。

5. 发明申请

US20080218007A1 Rotor for Motor and Method for Producing the Same 有权
标题翻译：电机转子及其生产方法
公开(公告)号：US20080218007A1
公开(公告)日：2008-09-11
申请号：US11721956
申请日：2005-12-19
申请人： Masahiro Masuzawa , Masahiro Mita , Keiko Kikuti
发明人： Masahiro Masuzawa , Masahiro Mita , Keiko Kikuti
IPC分类号： H02K1/27 , H01F41/02 , H02K1/02 , B22F3/02 , B22F1/00 , H02K15/03
CPC分类号： H01F41/028 , H01F1/0578 , H01F1/22 , H02K1/246 , H02K1/2733 , H02K1/278 , H02K15/03
摘要： A surface magnet type rotor and an inner magnet type rotor having good motor characteristics in which bonding strength is high between a magnet section and a soft magnetic yoke section, and structural reliability is high even in high speed use, and its producing method. The rotor comprises an anisotropic bond magnet section and a soft magnetic section wherein the anisotropic bond magnet section is preformed in magnetic field and then formed to be integrated with the soft magnetic section in nonmagnetic field. Subsequently, it is heat hardened to produce a surface magnet type rotor. Magnet units, each having a magnetic pole composed by bonding a pair of permanent magnets such that the directions of magnetization become symmetric with respect to the bonding surface, are linked such that magnetic poles of different polarities appear alternately on the magnetic action surface thus forming an anisotropic magnet body. Good motor characteristics can be attained by setting an angle to 5-40° between the direction of magnetization of the permanent magnet and a diametral direction passing the bonding surface.
摘要翻译：具有良好的电动机特性的表面磁铁型转子和内磁式转子，其中磁体部分和软磁轭部分之间的结合强度高，并且即使在高速使用中结构可靠性也高，及其制造方法。转子包括各向异性粘结磁体部分和软磁性部分，其中各向异性粘结磁体部分在磁场中预成形，然后形成为与非磁场中的软磁性部分成一体。随后，将其热固化以产生表面磁体型转子。磁体单元各自具有通过将一对永久磁体接合使得磁化方向相对于接合表面对称而构成的磁极，使得磁性作用表面上交替出现不同极性的磁极，从而形成各向异性磁体。通过将永磁体的磁化方向和通过接合面的直径方向之间的角度设定为5-40°，可以获得良好的电机特性。

6. 发明授权

US07906881B2 Motor 有权
标题翻译：发动机
公开(公告)号：US07906881B2
公开(公告)日：2011-03-15
申请号：US11429946
申请日：2006-05-09
申请人： Yuji Enomoto , Motoya Ito , Ryoso Masaki , Koichiro Ohara , Masahiro Mita , Matahiro Komuro , Masahiro Masuzawa
发明人： Yuji Enomoto , Motoya Ito , Ryoso Masaki , Koichiro Ohara , Masahiro Mita , Matahiro Komuro , Masahiro Masuzawa
IPC分类号： H02K1/27
CPC分类号： H02K1/278 , H02K15/03
摘要： It is desired to design a coreless motor in which a gap size is set to be as small as possible, and a magnet having a large energy product is used in order to increase the gap magnetic flux density since the coreless motor has no iron core so that the magnetic flux density is small in the gap part. A rotor core of the motor has a permanent magnet rotor which is formed by a compression molding means, and which is formed of a compact formed by molding a powder material, the compact comprising a bond magnetic portion mainly composed of a binder and a magnetic powder, and a soft magnetic portion mainly composed of a binder and a soft magnetic powder, the bond magnetic portion having magnetic poles having at least one surface which is mechanically bonded to the soft magnetic portion, in order to solve the inherent problems.
摘要翻译：希望设计其中间隙尺寸设定为尽可能小的无芯电动机，并且使用具有大能量乘积的磁体，以便增加无芯电动机没有铁芯的间隙磁通密度磁隙密度在间隙部分较小。电动机的转子铁心具有由压缩成型装置形成的永久磁铁转子，该永久磁铁转子由通过模制粉末材料形成的压块形成，该压块包括主要由粘合剂构成的粘合磁性部分和磁性粉末以及主要由粘合剂和软磁性粉末组成的软磁性部分，所述粘结磁性部分具有至少一个表面机械地结合到软磁性部分的磁极，以解决固有的问题。

7. 发明授权

US06384502B1 Diskette incorporating permanent magnet generator 失效
标题翻译：磁盘结合永磁发电机
公开(公告)号：US06384502B1
公开(公告)日：2002-05-07
申请号：US09613824
申请日：2000-07-11
申请人： Masahiro Masuzawa , Fumio Kimura , Toshiko Takahashi , Masahiro Mita , Kenichi Kitta , Takehiro Takahashi
发明人： Masahiro Masuzawa , Fumio Kimura , Toshiko Takahashi , Masahiro Mita , Kenichi Kitta , Takehiro Takahashi
IPC分类号： H02K2100
CPC分类号： G11B23/0327 , H02K7/1807 , H02K21/16
摘要： A permanent magnet generator incorporated in a diskette that can be inserted into a floppy disk drive is disclosed. In the permanent magnet generator, electric power is generated as a rotor is caused to rotate at a revolution twice to ten times as high as that of the drive shaft of a floppy disk drive by transmitting the rotation of the drive shaft to a rotor via a speed increasing mechanism incorporated in a diskette. Since the cogging torque of the generator is reduced, the rotor can be caused to rotate with a small drive torque. This allows the generator to produce a high output.
摘要翻译：公开了一种结合在可插入软盘驱动器的软盘中的永久磁铁发生器。在永久磁铁发电机中，当通过将驱动轴的旋转传递给转子时，通过将驱动轴的旋转传递到转子而使转子旋转的速度是软盘驱动器的驱动轴的两倍至十倍的旋转，产生电力结合在磁盘中的增速机制。由于发电机的齿槽转矩减小，所以能够以小的驱动转矩使转子旋转。这允许发电机产生高输出。

8. 发明授权

US07981359B2 Rotor and process for manufacturing the same 有权
标题翻译：转子和制造过程相同
公开(公告)号：US07981359B2
公开(公告)日：2011-07-19
申请号：US10549043
申请日：2004-12-07
申请人： Masahiro Masuzawa , Shigeho Tanigawa , Masahiro Mita , Keiko Kikuchi
发明人： Masahiro Masuzawa , Shigeho Tanigawa , Masahiro Mita , Keiko Kikuchi
IPC分类号： B22F3/02 , B22F7/02 , H02K15/03
CPC分类号： H02K1/276 , H02K1/2766 , H02K15/03 , Y10T29/49012
摘要： A rotor comprising bonded magnet portions mainly composed of magnet powder and a binder, which are embedded in a soft magnetic portion mainly composed of soft magnetic powder and a binder, the rotor being produced by a compression-molding method, and the magnetic pole surfaces of the bonded magnet portions being embedded in the soft magnetic portion.
摘要翻译：一种转子，其包括主要由磁铁粉末和粘合剂构成的粘结磁体部分，其嵌入主要由软磁粉末和粘结剂构成的软磁性部分中，转子通过压缩成型方法制造，并且磁极表面粘结磁体部分嵌入在软磁部分中。

9. 发明授权

US07847460B2 Yoke-integrated bonded magnet and magnet rotator for motor using the same 有权
标题翻译：轭铁一体式粘结磁铁和电机用磁铁转子
公开(公告)号：US07847460B2
公开(公告)日：2010-12-07
申请号：US12280928
申请日：2007-02-28
申请人： Masahiro Masuzawa , Masahiro Mita , Shigeho Tanigawa , Kyohei Aimuta
发明人： Masahiro Masuzawa , Masahiro Mita , Shigeho Tanigawa , Kyohei Aimuta
IPC分类号： H01F3/08
CPC分类号： H02K15/03 , H01F1/26 , H01F1/37 , H01F3/10 , H01F41/0246 , H01F41/0266 , H01F2003/103 , H02K1/2733 , H02K1/276 , H02K1/2766 , H02K1/278
摘要： This invention provides a soft magnetic yoke-integrated bonded magnet in which a soft magnetic yoke has been integrally compression molded in such a state that the soft magnetic yoke is engaged in a joined face formed by bringing a binding material-containing magnetic powder into contact with a binding material-containing soft magnetic powder. The soft magnetic yoke part and the bonded magnetic part are constructed so that, when the soft magnetic yoke part and the bonded magnet part are compression molded separately from each other, the spring back level is identical upon the release of the compression force.
摘要翻译：本发明提供了一种软磁轭一体型粘结磁体，其中软磁轭已经被整体地压缩成型，使得软磁轭接合在通过使含粘合材料的磁粉与含有粘合剂的软磁粉末。软磁轭部和接合磁性部构成为，当软磁轭部和粘结磁体部彼此分开压缩成型时，弹性回位水平在释放压缩力时相同。

10. 发明申请

US20060170301A1 Rotor and process for manufacturing the same 有权
标题翻译：转子和制造过程相同
公开(公告)号：US20060170301A1
公开(公告)日：2006-08-03
申请号：US10549043
申请日：2004-12-07
申请人： Masahiro Masuzawa , Shigeho Tanigawa , Masahiro Mita , Keiko Kikuchi
发明人： Masahiro Masuzawa , Shigeho Tanigawa , Masahiro Mita , Keiko Kikuchi
IPC分类号： H02K21/12
CPC分类号： H02K1/276 , H02K1/2766 , H02K15/03 , Y10T29/49012
摘要： A rotor comprising bonded magnet portions mainly composed of magnet powder and a binder, which are embedded in a soft magnetic portion mainly composed of soft magnetic powder and a binder, the rotor being produced by a compression-molding method, and the magnetic pole surfaces of the bonded magnet portions being embedded in the soft magnetic portion.
摘要翻译：一种转子，其包括主要由磁铁粉末和粘合剂构成的粘结磁体部分，其嵌入主要由软磁粉末和粘结剂构成的软磁性部分中，该转子通过压缩成型方法制造，并且磁极表面粘结磁体部分嵌入在软磁部分中。

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