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81. 发明专利

JPH03203565A STEPPING MOTOR 失效
公开(公告)号：JPH03203565A
公开(公告)日：1991-09-05
申请号：JP33868889
申请日：1989-12-28
申请人： SHIBAURA ENG WORKS LTD , TOSHIBA CORP
发明人： KANEKO HIROAKI , MORINO ISAMU , SAKAI KAZUTO
IPC分类号： H02K37/04
摘要： PURPOSE:To facilitate the assembly and to prevent breakdown by bending both ends of a plurality of bar-shaped permanent magnets, which are to be inserted in the grooves between the plural pole teeth of a rotor iron core and are magnetized in diameter direction, in the direction of a rotor shaft, and engaging them with the rotor iron core. CONSTITUTION:Both sides of a disclike permanent magnet 114 magnetized in axial direction are caught with a pair of rotor iron cores 11a and 11b, and a rotary shaft 112 is inserted in them to form a rotor 10. A plurality of rotor teeth 118, whose phases are deviate by 1/2 pitches, are formed at the peripheries of the iron core 116a(b). A bar-shaped permanent magnet 122 is each rotor tooth 118. Both ends 124 of the bar-shaped permanent magnet 122 are bent in the direction of a rotor shaft 112, and the engaging claw 126a(b) formed at the tip is engaged with the engaging groove 128a(b) formed at the iron core 116a(b). Hereby, the bar-shaped magnet can be easily mounted, and the breakdown in mounting is prevented.

82. 发明专利

JPH03195353A STEPPING MOTOR 失效
公开(公告)号：JPH03195353A
公开(公告)日：1991-08-26
申请号：JP33117489
申请日：1989-12-22
申请人： SHIBAURA ENG WORKS LTD , TOSHIBA CORP
发明人： SAKAI KAZUTO , MORINO ISAMU , NAKATSUKA HARUO , TAKEUCHI IWAO
IPC分类号： H02K37/04
摘要： PURPOSE:To enable high torque with a miniaturized motor by burying a field main flux and permanent magnet of reverse polarity in grooves of iron core teeth of the motor, and filling a gap section of the motor with magnetic fluid. CONSTITUTION:Eight stator polar teeth 2 provided with five stator small teeth 3 are provided to a stator iron core 1. A rotor 12 is so mounted to a rotary shaft 7 that a disc-like permanent magnet 14 is held between rotor iron cores 5a and 5b. Fifty rotor teeth 8a and 8b are provided to the peripheral surface of the rotor iron cores 5a and 5b. The rotor iron cores 5a and 5b are shifted to the extent of 1/2 minutes of the pitch of a rotor tooth. In addition, bar-like permanent magnets 15a and 15b are buried into grooves of the stator small teeth 3, bar-like permanent magnets 16a and 16b are buried into grooves of the rotor teeth 8a and 8b, and they respectively put out the magnetic flux of the disc-like permanent magnet 14. The gap section 9 is filled with magnetic fluid 17.

83. 发明专利

JPH01214251A STEPPING MOTOR 失效
公开(公告)号：JPH01214251A
公开(公告)日：1989-08-28
申请号：JP3754188
申请日：1988-02-22
申请人： TOSHIBA CORP
发明人： SAKAI KAZUTO
IPC分类号： H02K37/04 , H02K37/14
摘要： PURPOSE:To obtain a small sized, high torque stepping motor by fitting, in the groove of a part between teeth of a stator or rotor a bar permanent magnet having the same polarity as that of a disc permanent magnet at the time of facing a rotor groove bottom side. CONSTITUTION:A stator 1 has eight pole teeth 3, and five small teeth 4 are formed in each pole tooth 3 and divided into two parts of I side 1a and II side 1b. A bar permanent magnet 6a radially magnetized so that both faces of an air gap G become N poles, is fixed in the groove between small teeth 4 of said I side stator 1a. Said pole teeth 3 are wound by a two-phase winding 5. On the outer periphery of the iron core 8 of a rotor 2, teeth 9 are provided, and an axially magnetized disc permanent magnet 7 is held between two sets of iron cores 8. A magnetic flux leaking from a rotor tooth 9 to the adjacent rotor tooth 9 is bent by the action of a bar permanent magnet 6 so that said flux approaches a tangential direction and therefore a high torque motor can be obtained.

84. 发明专利

JP2012191836A Permanent magnet type rotary electric machine 有权
标题翻译：永磁式旋转电机
公开(公告)号：JP2012191836A
公开(公告)日：2012-10-04
申请号：JP2012029776
申请日：2012-02-14
申请人： Toshiba Corp , 株式会社東芝
发明人： SAKAI KAZUTO , HASHIBA YUTAKA , TAKAHASHI NORIO , YUKI KAZUAKI , MATSUSHITA MAKOTO , MISU DAISUKE , SHIN MASANORI , TOKUMASU TADASHI , MOCHIZUKI SUKEYASU , ARAKI KUNIYUKI
IPC分类号： H02K21/14
CPC分类号： H02K21/04 , H02K21/14
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type rotary electric machine having excellent assemblability without enlarging it.SOLUTION: The permanent magnet type rotary electric machine includes: a stator; a magnetized coil; a rotor; and a case. The stator has an armature coil forming a driving magnetic circuit. The magnetized coil forms a magnetization magnetic circuit. The rotor includes: a fixed magnetic force magnet; a rotor core in which the fixed magnetic force magnet is arranged; and a variable magnetic force magnet. The fixed magnetic force magnet is disposed nearer to the driving magnetic circuit than the variable magnetic force magnet. The variable magnetic force magnet is installed nearer to the magnetization magnetic circuit than the fixed magnetic force magnet. The case stores the stator and the rotor.
摘要翻译：要解决的问题：提供一种具有优异的组装性而不扩大的永磁式旋转电机。永磁式旋转电机包括：定子; 磁化线圈; 转子和一个案例。定子具有形成驱动磁路的电枢线圈。磁化线圈形成磁化磁路。转子包括：固定磁力磁铁; 其中布置有固定磁力磁铁的转子铁心; 和可变磁力磁铁。固定磁力磁铁比可变磁力磁铁更靠近驱动磁路。可变磁力磁铁比固定磁力磁铁安装得更靠近磁化磁路。箱体存放定子和转子。版权所有（C）2013，JPO＆INPIT

85. 发明专利

JP2012055164A Variable magnetic flux drive system 有权
标题翻译：可变磁通驱动系统
公开(公告)号：JP2012055164A
公开(公告)日：2012-03-15
申请号：JP2011271414
申请日：2011-12-12
申请人： Toshiba Corp , 株式会社東芝
发明人： YUKI KAZUAKI , SAKAI KAZUTO
IPC分类号： H02P6/06 , H02P27/06
CPC分类号： Y02T10/641 , Y02T10/643 , Y02T10/644 , Y02T10/7241
摘要： PROBLEM TO BE SOLVED: To provide a variable magnetic flux drive system for driving a variable magnetic flux motor capable of improving variable magnet flux repetition accuracy and torque accuracy.SOLUTION: The variable magnetic flux drive system comprises a permanent magnet motor 1 which uses a permanent magnet, an inverter 4 which drives the permanent magnet motor, and magnetization means which flows magnetization current for controlling a permanent magnet flux. The permanent magnet is a variable magnet whose flux density can be made variable by magnetization current from the inverter 4. The magnetization means flows the magnetization current which is higher than or equal to a magnetization saturation region of a magnetic body of the variable magnet.
摘要翻译：要解决的问题：提供一种用于驱动可变磁通量电动机的可变磁通驱动系统，该可变磁通电动机能够改善可变磁通量重复精度和转矩精度。解决方案：可变磁通驱动系统包括使用永磁体的永磁电动机1，驱动永磁电动机的逆变器4和流过磁化电流以控制永磁通量的磁化装置。永磁体是可变磁体，其磁通密度可以通过来自逆变器4的磁化电流而变化。磁化装置流过高于或等于可变磁体的磁体的磁化饱和区域的磁化电流。版权所有（C）2012，JPO＆INPIT

86. 发明专利

JP2011142751A Motor drive system 审中-公开
标题翻译：电机驱动系统
公开(公告)号：JP2011142751A
公开(公告)日：2011-07-21
申请号：JP2010002288
申请日：2010-01-07
申请人： Toshiba Corp , 株式会社東芝
发明人： YUKI KAZUAKI , LILIT KOVUDHIKULRUNGSRI , YASUI KAZUYA , SAKAI KAZUTO , MOCHIKAWA HIROSHI
IPC分类号： H02P21/00 , H02P27/04 , H02P27/06
摘要： PROBLEM TO BE SOLVED: To provide a motor drive system that reduces load of a circuit at a DC side of an inverter when a magnetization current to change magnetic flux of a variable magnetic variable motor flows. SOLUTION: A control part 10 controls the inverter 4 that converts a DC power Vdc supplied from a DC power supply 5 and drives a variable magnetic flux motor 2. When the control part 10 calculates a magnetization current command value IdRmg to control a magnetization current Id that changes magnetic flux of the variable magnetic flux motor 2, and runs the magnetization current Id for magnetization, the control part 10 calculates a torque current command value IqRAVR to control a torque current Iq to step up the DC voltage Vdc of the inverter 4 and controls the inverter 4 based on the magnetization current command value IdRmg and the torque current command value IqRAVR. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种电动机驱动系统，其在变化可变磁力可变电动机的磁通量的磁化电流流动时减小逆变器的DC侧的电路的负载。解决方案：控制部分10控制转换从直流电源5提供的直流电力Vdc并驱动可变磁通电动机2.逆变器4，当控制部分10计算磁化电流指令值IdRmg以控制磁化电流Id，其改变可变磁通电动机2的磁通量，并且使磁化电流Id运行，控制部件10计算转矩电流指令值IqRAVR，以控制转矩电流Iq以升高可变磁通电动机2的直流电压Vdc 逆变器4，并根据磁化电流指令值IdRmg和转矩电流指令值IqRAVR控制逆变器4。版权所有（C）2011，JPO＆INPIT

87. 发明专利

JP2011061933A Permanent magnet type rotary electric machine 审中-公开
标题翻译：永磁式旋转电机
公开(公告)号：JP2011061933A
公开(公告)日：2011-03-24
申请号：JP2009207476
申请日：2009-09-08
申请人： Toshiba Corp , 株式会社東芝
发明人： SAKAI KAZUTO , YUKI KAZUAKI , TAKAHASHI NORIO , HASHIBA YUTAKA , MOCHIKAWA HIROSHI , YASUI KAZUYA , SHINTOMI MASAKATSU , GOOUTTERIRITTO , HASEGAWA RYUTA , MOCHIZUKI SUKEYASU
IPC分类号： H02K21/46
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type rotary electric machine that performs either inductor operation or synchronizer operation, and reduces power consumption by improving total efficiency.
SOLUTION: Each magnet magnetic pole 5 of the permanent magnet type rotary electric machine includes a stator having an armature coil provided in a stator core, and a rotor 1 having a rotor core 2 and a movable magnetic force magnet 3 and a fixed magnetic force magnet 4, 4 which are provided on the rotor core 2. Copper bars 7 are disposed near to the outer circumferential surface of the rotor core 2. When the rotor 1 is started, the amount of interlinkage flux of the permanent magnet is reduced, and a rotation magnetic field generated by a current applied to the coil of the stator and the rotor are asynchronously started by a torque generated by an induction current applied to the copper bars 7 of the rotor 1. After the activation, the amount of interlinkage flux of the permanent magnet is increased, and the rotation magnetic field generated by the current applied to the coil of the stator and the rotor are synchronously started by the torque generated by the permanent magnet and the current.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供执行电感器操作或同步器操作的永磁式旋转电机，并且通过提高总效率来降低功耗。解决方案：永磁式旋转电机的每个磁极5包括具有设置在定子铁心中的电枢线圈的定子和具有转子铁芯2和可动磁力磁铁3的固定的转子1和固定设置在转子铁芯2上的磁力磁铁4,4设置在转子铁心2的外周面附近。当转子1起动时，永久磁铁的交链磁通量减少并且由施加到定子和转子的线圈的电流产生的旋转磁场由施加到转子1的铜棒7的感应电流产生的转矩异步地开始。在激活之后，互连量永磁体的磁通量增加，并且由施加到定子和转子的线圈的电流产生的旋转磁场由永磁体产生的转矩和电流。版权所有（C）2011，JPO＆INPIT

88. 发明专利

JP2010166701A Motor drive system 有权
标题翻译：电机驱动系统
公开(公告)号：JP2010166701A
公开(公告)日：2010-07-29
申请号：JP2009006794
申请日：2009-01-15
申请人： Toshiba Corp , 株式会社東芝
发明人： LILIT KOVUDHIKULRUNGSRI , YUKI KAZUAKI , YASUI KAZUYA , SAKAI KAZUTO
IPC分类号： H02P6/06 , H02P27/06
摘要： PROBLEM TO BE SOLVED: To provide the motor drive system which ensures highly robust operation for variation in the voltage input to an inverter which drives a motor. SOLUTION: The motor drive system 1 includes the inverter 2 for driving a variable flux motor 4 equipped with a variable magnet, wherein the flux of the variable flux motor 4 is changed so that the torque command Tm* of the variable flux motor 4 is maintained based on the DC voltage VFC which is detected by a DC voltage detector 7 and input to the inverter 2. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供电动机驱动系统，其确保对驱动电动机的逆变器的电压输入的变化的高度鲁棒的操作。电动机驱动系统1包括用于驱动配备有可变磁铁的可变磁通电动机4的逆变器2，其中可变磁通电动机4的磁通量变化，使得可变磁通电动机的转矩指令Tm * 4基于由直流电压检测器7检测并输入到逆变器2的直流电压VFC进行维护。版权所有（C）2010，JPO＆INPIT

89. 发明专利

JP2010148180A Permanent magnet type rotating electric machine 有权
标题翻译：永磁式旋转电机
公开(公告)号：JP2010148180A
公开(公告)日：2010-07-01
申请号：JP2008320141
申请日：2008-12-16
申请人： Toshiba Corp , 株式会社東芝
发明人： HASHIBA YUTAKA , SAKAI KAZUTO , TAKAHASHI NORIO , YUKI KAZUAKI , SHIN MASANORI , MATSUOKA YUSUKE , TOKUMASU TADASHI
IPC分类号： H02K1/27 , H02K21/14
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type rotating electric machine capable of variable speed operation in a wide range from a low speed to high speed with high output by suppressing an increase in magnetization current in demagnetization and magnetization.
SOLUTION: A rotor 1 includes a rotor core 2, a variable magnetic force magnet 3 and fixed magnetic force magnets 4. The fixed magnetic force magnets 4 are arranged on both sides of the variable magnetic force magnet 3. Short circuit coils 8 are arranged above and below the fixed magnetic force magnet 4. When a magnetic field by the magnetized current of the variable magnetic force magnet 3 penetrates through the short-circuit coils 8, an induction current is applied to the short-circuit coils 8, and a magnetic field C is generated. This magnetic field and a magnetic force of a magnetic flux by the magnetized current flowing through the fixed magnetic force magnets 4 cancel each other, and a magnetic field generated by the magnetized current concentrates in the variable magnetic force magnet 3 to execute magnetization efficiently.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过抑制退磁和磁化中的磁化电流的增加而从具有高输出的从低速到高速的宽范围内的变速操作的永磁式旋转电机。解决方案：转子1包括转子芯2，可变磁力磁铁3和固定磁力磁铁4.固定磁力磁铁4设置在可变磁力磁铁3的两侧。短路线圈8 设置在固定磁力磁铁4的上下。当通过可变磁力磁铁3的磁化电流的磁场穿过短路线圈8时，感应电流被施加到短路线圈8，并且产生磁场C. 该磁场和通过固定磁力磁铁4的磁化电流的磁通量的磁力相互抵消，由磁化电流产生的磁场集中在可变磁力磁铁3中以有效地进行磁化。版权所有（C）2010，JPO＆INPIT

90. 发明专利

JP2010004672A Permanent magnet type electric rotating machine 有权
标题翻译：永磁式电动旋转机
公开(公告)号：JP2010004672A
公开(公告)日：2010-01-07
申请号：JP2008162203
申请日：2008-06-20
申请人： Toshiba Corp , 株式会社東芝
发明人： SAKAI KAZUTO , HASHIBA YUTAKA , OTSUBO YOSUKE , MATSUOKA YUSUKE , TAKAHASHI NORIO , TOKUMASU TADASHI
IPC分类号： H02K1/27
CPC分类号： H02K1/2766 , H02K21/028 , H02K21/04
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type electric rotating machine, capable of variable speed operation ranging from low speed to high speed with high output by suppressing an increase in magnetization current, when magnetization is decreased of increased. SOLUTION: A rotor 1 includes a rotor core 2, a permanent magnet 3 having a small product of a coercive force and a magnetization direction thickness, and a permanent magnet 4 having a large product of a coercive force and a magnetization direction thickness. When the interlinkage magnetic flux of the permanent magnet 3 is reduced, a magnetic field having a direction reverse to that of the magnetization direction of the permanent magnet 3 is made to act by a current of an armature winding. When the interlinkage magnetic flux of the permanent magnet 3 is increased, the magnetic flux of the direction same as the magnet magnetization direction is made to act by a current of the armature winding. A short circuit coil 8 is provided at a magnetic passage portion of the other permanent magnet 4, other than the permanent magnet 3. An induction current is induced on the short circuit coil 8 by a magnetic field generated by the magnetized current, and this induction current causes a magnetic field around the short-circuit coil 8. The permanent magnet 3 is increased in magnetization by the magnetic field generated by this magnetic field and the magnetization current. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种永磁式旋转电机，当磁化强度降低时，能够通过抑制磁化电流的增加，从低速到高速的变速运行，具有高的输出。解决方案：转子1包括转子芯2，具有矫顽力和磁化方向厚度的小积的永磁体3和具有矫顽力和磁化方向厚度的大乘积的永磁体4 。当永磁体3的交链磁通量减小时，使具有与永久磁铁3的磁化方向相反的方向的磁场作用于电枢绕组的电流。当永磁体3的交链磁通增加时，使与磁体磁化方向相同的方向的磁通量作用于电枢绕组的电流。短路线圈8设置在永磁体3以外的另一永磁体4的磁通部。感应电流由磁化电流产生的磁场在短路线圈8上感应，电流引起短路线圈8周围的磁场。永久磁铁3的磁化强度由该磁场产生的磁场和磁化电流增加。版权所有（C）2010，JPO＆INPIT

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