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1. 发明授权

US09013083B2 Permanent magnet type rotary electric machine 有权
标题翻译：永磁式旋转电机
公开(公告)号：US09013083B2
公开(公告)日：2015-04-21
申请号：US12778424
申请日：2010-05-12
申请人： Yusuke Morita , Masatsugu Nakano , Sachiko Kawasaki
发明人： Yusuke Morita , Masatsugu Nakano , Sachiko Kawasaki
IPC分类号： H02K1/06 , H02K11/00 , H02K21/16 , H02K1/14 , H02K1/22 , H02K29/12 , H02K21/14 , H02K29/06
CPC分类号： H02K1/146 , H02K1/223 , H02K21/14 , H02K21/16 , H02K29/06 , H02K29/12 , H02K2213/03
摘要： Provided is a permanent magnet type motor including: a rotor including a rotor core and a plurality of permanent magnets; a conducting circuit including a first electric conductor extending in an axial direction of the rotor and being disposed between permanent magnets in a circumferential direction of the rotor and a second electric conductor for connecting the first electric conductors electrically; and a stator disposed so as to be opposed to the rotor, including a stator core and an armature winding. A rotation angle is detected by measuring current flowing in the armature winding. The stator core is formed to have a shape in which, a slot pitch is defined by ρs=(2×π×Rs)/Ns, where an inner radius of the stator is represented by Rs and a number of slots is represented by Ns, a value Wsn obtained by dividing a slot opening width Ws by the slot pitch ρs satisfies “0.08≦Wsn”.
摘要翻译：提供一种永磁式电动机，其包括：转子，包括转子芯和多个永磁体; 导体电路，包括沿着转子的轴向延伸并且在转子的周向上设置在永磁体之间的第一导电体和用于电连接第一导电体的第二电导体; 以及与转子相对设置的定子，包括定子芯和电枢绕组。通过测量在电枢绕组中流动的电流来检测旋转角度。定子铁芯的形状是这样一种形状：槽间距由＆rgr; s =（2×＆pgr;×Rs）/ Ns定义，其中定子的内半径由Rs表示，槽数为通过用Ns表示，通过将槽开口宽度Ws除以槽间距＆rgrs而获得的值Wsn满足“0.08＆nlE; Wsn”。

2. 发明申请

US20140084731A1 PERMANENT MAGNET TYPE ELECTRIC ROTATING MACHINE AND MANUFACTURING METHOD THEREOF 有权
标题翻译：永磁式电动旋转机及其制造方法
公开(公告)号：US20140084731A1
公开(公告)日：2014-03-27
申请号：US14114846
申请日：2011-07-08
申请人： Taizo Iwami , Sachiko Kawasaki , Hiroe Fukuzumi , Yoshinori Miyamoto
发明人： Taizo Iwami , Sachiko Kawasaki , Hiroe Fukuzumi , Yoshinori Miyamoto
IPC分类号： H02K1/02 , H02K1/27
CPC分类号： H02K1/02 , H02K1/278 , H02K15/03
摘要： In a permanent magnet type electric rotating machine, a rotor is arranged in a Halbach array, a main magnet magnetized in the radial direction is formed of a rare-earth magnet and an auxiliary magnet magnetized in the circumferential direction is formed of a ferrite magnet, and a gap is provided between the main magnet and the auxiliary magnet; as a result, the quantity of utilized rare-earth magnets is reduced without the output torque of the electric rotating machine being decreased.
摘要翻译：在永久磁铁式旋转电机中，转子以Halbach阵列布置，沿径向磁化的主磁体由稀土类磁铁形成，沿圆周方向磁化的辅助磁体由铁氧体磁铁形成，并且在主磁体和辅助磁体之间设置有间隙; 结果，在不使旋转电机的输出转矩降低的情况下，所使用的稀土类磁体的量减少。

3. 发明授权

US08324768B2 Rotational angle detection device and method for permanent magnet dynamo-electric machine and electric power steering device 有权
标题翻译：永磁发电机和电动助力转向装置的转角检测装置及方法
公开(公告)号：US08324768B2
公开(公告)日：2012-12-04
申请号：US12351244
申请日：2009-01-09
申请人： Masatsugu Nakano , Akira Satake , Kanji Shinkawa , Hiroyuki Akita , Sachiko Kawasaki
发明人： Masatsugu Nakano , Akira Satake , Kanji Shinkawa , Hiroyuki Akita , Sachiko Kawasaki
IPC分类号： H02K29/06 , H02K1/27 , H02K29/08 , H02K21/04 , H02K21/14
CPC分类号： G01D5/2046 , H02K1/223 , H02K1/276 , H02K1/278 , H02K29/12 , H02P6/18 , H02P21/18
摘要： A rotational angle detection device for a permanent magnet dynamo-electric machine, including: a stator (10); a rotor (20); and a conductive circuit that includes first conductors (1a1, 1a2) extending in a direction parallel to a rotational axis of the rotor and being disposed in at least two places in a circumferential direction of the rotor, and second conductors (1b1, 1b2) for electrically interconnecting the first conductors. In this case, the first conductors are each disposed within a range of an electrical angle between −45° and +45° in the circumferential direction with a magnetic pole center being set as a reference, and the conductive circuit is disposed in at least one place in the circumferential direction, and the rotational angle detection device further comprising a detection means for detecting a rotational angle of the rotor by measuring a value of a current flowing through the armature winding.
摘要翻译：一种用于永磁发电机的转角检测装置，包括：定子（10）; 转子（20）; 以及导电电路，其包括在平行于所述转子的旋转轴线的方向上延伸并设置在所述转子的周向的至少两个位置的第一导体（1a1,1a2）和第二导体（1b1,1b2），所述第二导体电连接第一导体。在这种情况下，第一导体分别设置在圆周方向的-45°〜+ 45°的电角度的范围内，以磁极中心为基准，导电电路配置在至少一个并且旋转角度检测装置还包括检测装置，用于通过测量流过电枢绕组的电流的值来检测转子的旋转角度。

4. 发明申请

US20090184598A1 ROTATIONAL ANGLE DETECTION DEVICE AND METHOD FOR PERMANENT MAGNET DYNAMO-ELECTRIC MACHINE AND ELECTRIC POWER STEERING DEVICE 有权
标题翻译：旋转角度检测装置及其永磁电动机和电动转向装置的方法
公开(公告)号：US20090184598A1
公开(公告)日：2009-07-23
申请号：US12351244
申请日：2009-01-09
申请人： Masatsugu NAKANO , Akira SATAKE , Kanji SHINKAWA , Hiroyuki AKITA , Sachiko KAWASAKI
发明人： Masatsugu NAKANO , Akira SATAKE , Kanji SHINKAWA , Hiroyuki AKITA , Sachiko KAWASAKI
IPC分类号： H02K21/46 , H02P6/18
CPC分类号： G01D5/2046 , H02K1/223 , H02K1/276 , H02K1/278 , H02K29/12 , H02P6/18 , H02P21/18
摘要： A rotational angle detection device for a permanent magnet dynamo-electric machine, including: a stator (10); a rotor (20); and a conductive circuit that includes first conductors (1a1, 1a2) extending in a direction parallel to a rotational axis of the rotor and being disposed in at least two places in a circumferential direction of the rotor, and second conductors (1b1, 1b2) for electrically interconnecting the first conductors. In this case, the first conductors are each disposed within a range of an electrical angle between −45° and +45° in the circumferential direction with a magnetic pole center being set as a reference, and the conductive circuit is disposed in at least one place in the circumferential direction, and the rotational angle detection device further comprising a detection means for detecting a rotational angle of the rotor by measuring a value of a current flowing through the armature winding.
摘要翻译：一种用于永磁发电机的转角检测装置，包括：定子（10）; 转子（20）; 以及导电电路，其包括在平行于所述转子的旋转轴线的方向上延伸并设置在所述转子的周向的至少两个位置的第一导体（1a1,1a2）和第二导体（1b1,1b2），所述第二导体电连接第一导体。在这种情况下，第一导体分别设置在圆周方向的-45°〜+ 45°的电角度的范围内，以磁极中心为基准，导电电路配置在至少一个并且旋转角度检测装置还包括检测装置，用于通过测量流过电枢绕组的电流的值来检测转子的旋转角度。

5. 发明申请

US20100295403A1 PERMANENT MAGNET TYPE ROTARY ELECTRIC MACHINE 有权
标题翻译：永磁式旋转电机
公开(公告)号：US20100295403A1
公开(公告)日：2010-11-25
申请号：US12778424
申请日：2010-05-12
申请人： Yusuke MORITA , Masatsugu Nakano , Sachiko Kawasaki
发明人： Yusuke MORITA , Masatsugu Nakano , Sachiko Kawasaki
IPC分类号： H02K1/16 , H02K1/27
CPC分类号： H02K1/146 , H02K1/223 , H02K21/14 , H02K21/16 , H02K29/06 , H02K29/12 , H02K2213/03
摘要： Provided is a permanent magnet type motor including: a rotor including a rotor core and a plurality of permanent magnets; a conducting circuit including a first electric conductor extending in an axial direction of the rotor and being disposed between permanent magnets in a circumferential direction of the rotor and a second electric conductor for connecting the first electric conductors electrically; and a stator disposed so as to be opposed to the rotor, including a stator core and an armature winding. A rotation angle is detected by measuring current flowing in the armature winding. The stator core is formed to have a shape in which, a slot pitch is defined by ρs=(2×π×Rs)/Ns, where an inner radius of the stator is represented by Rs and a number of slots is represented by Ns, a value Wsn obtained by dividing a slot opening width Ws by the slot pitch ρs satisfies “0.08≦Wsn”.
摘要翻译：提供一种永磁式电动机，其包括：转子，包括转子芯和多个永磁体; 导体电路，包括沿着转子的轴向延伸并且在转子的周向上设置在永磁体之间的第一导电体和用于电连接第一电导体的第二电导体; 以及与转子相对设置的定子，包括定子芯和电枢绕组。通过测量在电枢绕组中流动的电流来检测旋转角度。定子铁芯的形状是这样一种形状：槽间距由＆rgr; s =（2×＆pgr;×Rs）/ Ns定义，其中定子的内半径由Rs表示，槽数为通过用Ns表示，通过将槽开口宽度Ws除以槽间距＆rgrs而获得的值Wsn满足“0.08＆nlE; Wsn”。

6. 发明申请

US20100207475A1 ROTOR OF PERMANENT MAGNET ROTARY MACHINE AND MANUFACTURING METHOD OF ROTOR 有权
标题翻译：永磁电机的转子和转子的制造方法
公开(公告)号：US20100207475A1
公开(公告)日：2010-08-19
申请号：US12559773
申请日：2009-09-15
申请人： Sachiko Kawasaki , Hiroyuki Akita , Masatsugu Nakano , Yusuke Morita
发明人： Sachiko Kawasaki , Hiroyuki Akita , Masatsugu Nakano , Yusuke Morita
IPC分类号： H02K21/12 , H02K1/27 , H02K15/03
CPC分类号： H02K1/278 , G01D5/2046 , H02K1/223 , H02K29/12 , Y10T29/49012
摘要： A rotor of a rotary machine includes a rotary shaft, a rotor core fixed to a circumferential surface of the rotary shaft, a plurality of permanent magnets arranged on a circumferential surface of the rotor core at specific intervals along a circumferential direction thereof, conducting circuits arranged to surround the permanent magnets, and magnetic material pieces arranged on outer surfaces of the individual permanent magnets. Each of the conducting circuits includes a pair of first conductor sections arranged between magnetic poles formed by the adjacent permanent magnets and a pair of second conductor sections electrically connecting the first conductor sections.
摘要翻译：旋转机械的转子包括旋转轴，固定到旋转轴的圆周表面的转子芯，沿着圆周方向以特定间隔布置在转子芯的圆周表面上的多个永磁体，布置成以包围永磁体，以及布置在各个永磁体的外表面上的磁性材料片。每个导电电路包括布置在由相邻的永久磁铁形成的磁极之间的一对第一导体部分和一对电连接第一导体部分的第二导体部分。

7. 发明授权

US09893571B2 Permanent magnet type electric rotating machine having main magnets and auxiliary magnets, and manufacturing method thereof 有权
公开(公告)号：US09893571B2
公开(公告)日：2018-02-13
申请号：US14114846
申请日：2011-07-08
申请人： Taizo Iwami , Sachiko Kawasaki , Hiroe Fukuzumi , Yoshinori Miyamoto
发明人： Taizo Iwami , Sachiko Kawasaki , Hiroe Fukuzumi , Yoshinori Miyamoto
IPC分类号： H02K1/27 , H02K1/02 , H02K15/03
CPC分类号： H02K1/02 , H02K1/278 , H02K15/03
摘要： In a permanent magnet type electric rotating machine, a rotor is arranged in a Halbach array, a main magnet magnetized in the radial direction is formed of a rare-earth magnet and an auxiliary magnet magnetized in the circumferential direction is formed of a ferrite magnet, and a gap is provided between the main magnet and the auxiliary magnet; as a result, the quantity of utilized rare-earth magnets is reduced without the output torque of the electric rotating machine being decreased.

8. 发明授权

US08217545B2 Rotor of permanent magnet rotary machine and manufacturing method of rotor 有权
标题翻译：永磁旋转机转子及转子制造方法
公开(公告)号：US08217545B2
公开(公告)日：2012-07-10
申请号：US12559773
申请日：2009-09-15
申请人： Sachiko Kawasaki , Hiroyuki Akita , Masatsugu Nakano , Yusuke Morita
发明人： Sachiko Kawasaki , Hiroyuki Akita , Masatsugu Nakano , Yusuke Morita
IPC分类号： H02K1/27 , H02K21/12
CPC分类号： H02K1/278 , G01D5/2046 , H02K1/223 , H02K29/12 , Y10T29/49012
摘要： A rotor of a rotary machine includes a rotary shaft, a rotor core fixed to a circumferential surface of the rotary shaft, a plurality of permanent magnets arranged on a circumferential surface of the rotor core at specific intervals along a circumferential direction thereof, conducting circuits arranged to surround the permanent magnets, and magnetic material pieces arranged on outer surfaces of the individual permanent magnets. Each of the conducting circuits includes a pair of first conductor sections arranged between magnetic poles formed by the adjacent permanent magnets and a pair of second conductor sections electrically connecting the first conductor sections.
摘要翻译：旋转机械的转子包括旋转轴，固定到旋转轴的圆周表面的转子芯，沿着圆周方向以特定间隔布置在转子芯的圆周表面上的多个永磁体，布置成以包围永磁体，以及布置在各个永磁体的外表面上的磁性材料片。每个导电电路包括布置在由相邻的永久磁铁形成的磁极之间的一对第一导体部分和一对电连接第一导体部分的第二导体部分。

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