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1. 发明授权

US08816559B2 Squirrel cage induction motor and squirrel cage induction motor driving system 有权
标题翻译：鼠笼式感应电动机和鼠笼式感应电动机驱动系统
公开(公告)号：US08816559B2
公开(公告)日：2014-08-26
申请号：US13125492
申请日：2009-08-20
申请人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu
发明人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu
IPC分类号： H02K17/16 , H02K17/00
CPC分类号： H02K17/165 , H02K1/165
摘要： A squirrel cage induction motor includes: a stator core (11); a plurality of stator slots (12) radially disposed in a circumferential direction of the stator core (11) with predetermined intervals; a plurality of stator windings (13) housed in the stator slots respectively; a rotor core (21); a plurality of rotor slots (22) radially disposed in a circumferential direction of the rotor core (22) with predetermined intervals; a plurality of rotor conductors (23) housed in the rotor slots (22) respectively. The stator windings (13) and the rotor conductors (23) includes electrically conductive materials mainly composed of copper. An area ratio of a total area of the stator slots (12) to a total area of the rotor slots (22) is not smaller than 2.7 and not greater than 8.0 to provide compatibility between the starting characteristic (starting torque) and the steady characteristic (for a high efficiency) can be provided.
摘要翻译：鼠笼式感应电动机包括：定子铁心（11）; 多个定子槽（12），其以预定间隔在所述定子铁心（11）的周向径向设置; 分别容纳在所述定子槽中的多个定子绕组（13）转子芯（21）; 多个转子槽（22），其以预定的间隔沿转子芯（22）的圆周方向径向设置; 分别容纳在转子槽（22）中的多个转子导体（23）。定子绕组（13）和转子导体（23）包括主要由铜组成的导电材料。定子槽（12）的总面积与转子槽（22）的总面积的面积比不小于2.7且不大于8.0，以提供起动特性（启动转矩）和稳定特性之间的兼容性（为了高效率）。

2. 发明授权

US08841812B2 Squirrel-cage induction motor 有权
标题翻译：鼠笼式感应电动机
公开(公告)号：US08841812B2
公开(公告)日：2014-09-23
申请号：US13034659
申请日：2011-02-24
申请人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu , Atsushi Abe
发明人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu , Atsushi Abe
IPC分类号： H02K1/06 , H02K17/16
CPC分类号： H02K17/165 , H02K2213/03
摘要： An object of the present invention is to provide a squirrel-cage induction motor with high efficiency. In a squirrel-cage induction motor including a stator in which stator windings are wound in a number of stator slots arranged at intervals in the vicinity of the inner periphery of a stator core and a rotor in which rotor conductors are embedded in a number of rotor slots arranged at intervals in the vicinity of the outer periphery of a rotor core and end rings are provided at both ends of the rotor core, the rotor core is formed of a plurality of blocks, an annular short-circuit ring is provided between respective blocks of the rotor core to short-circuit the rotor conductors, and laminated thickness of the rotor core is made larger than laminated thickness of the stator core.
摘要翻译：本发明的目的是提供一种高效率的鼠笼式感应电动机。在包括定子的鼠笼式感应电动机中，其中定子绕组缠绕在定子芯的内周周围间隔设置的多个定子槽中，转子的转子在其中嵌入多个转子在转子铁芯的两端设置间隔设置在转子铁心的外周的端部，端环设置在转子铁心的两端，转子铁芯由多个块构成，环状的短路环设置在各块之间转子芯的短路，使转子芯的层叠厚度大于定子铁芯的层叠厚度。

3. 发明申请

US20110210692A1 Squirrel Cage Induction Motor and Squirrel Cage Induction Motor Driving System 有权
标题翻译：鼠笼式感应电动机和鼠笼式感应电动机驱动系统
公开(公告)号：US20110210692A1
公开(公告)日：2011-09-01
申请号：US13125492
申请日：2009-08-20
申请人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu
发明人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu
IPC分类号： H02K17/16 , H02P1/26
CPC分类号： H02K17/165 , H02K1/165
摘要： A squirrel cage induction motor includes: a stator core (11); a plurality of stator slots (12) radially disposed in a circumferential direction of the stator core (11) with predetermined intervals; a plurality of stator windings (13) housed in the stator slots respectively; a rotor core (21); a plurality of rotor slots (22) radially disposed in a circumferential direction of the rotor core (22) with predetermined intervals; a plurality of rotor conductors (23) housed in the rotor slots (22) respectively. The stator windings (13) and the rotor conductors (23) includes electrically conductive materials mainly composed of copper. An area ratio of a total area of the stator slots (12) to a total area of the rotor slots (22) is not smaller than 2.7 and not greater than 8.0 to provide compatibility between the starting characteristic (starting torque) and the steady characteristic (for a high efficiency) can be provided.
摘要翻译：鼠笼式感应电动机包括：定子铁心（11）; 多个定子槽（12），其以预定间隔在所述定子铁心（11）的周向径向设置; 分别容纳在所述定子槽中的多个定子绕组（13）转子芯（21）; 多个转子槽（22），其以预定的间隔沿转子芯（22）的圆周方向径向设置; 分别容纳在转子槽（22）中的多个转子导体（23）。定子绕组（13）和转子导体（23）包括主要由铜组成的导电材料。定子槽（12）的总面积与转子槽（22）的总面积的面积比不小于2.7且不大于8.0，以提供起动特性（启动转矩）和稳定特性之间的兼容性（为了高效率）。

4. 发明申请

US20110234039A1 SQUIRREL-CAGE INDUCTION MOTOR 有权
标题翻译：电磁感应电动机
公开(公告)号：US20110234039A1
公开(公告)日：2011-09-29
申请号：US13034659
申请日：2011-02-24
申请人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu , Atsushi Abe
发明人： Kazuo Nishihama , Hiroyuki Mikami , Tadahiro Shimozono , Keiichiro Kaihatsu , Atsushi Abe
IPC分类号： H02K1/06 , H02K17/16
CPC分类号： H02K17/165 , H02K2213/03
摘要： An object of the present invention is to provide a squirrel-cage induction motor with high efficiency. In a squirrel-cage induction motor including a stator in which stator windings are wound in a number of stator slots arranged at intervals in the vicinity of the inner periphery of a stator core and a rotor in which rotor conductors are embedded in a number of rotor slots arranged at intervals in the vicinity of the outer periphery of a rotor core and end rings are provided at both ends of the rotor core, the rotor core is formed of a plurality of blocks, an annular short-circuit ring is provided between respective blocks of the rotor core to short-circuit the rotor conductors, and laminated thickness of the rotor core is made larger than laminated thickness of the stator core.
摘要翻译：本发明的目的是提供一种高效率的鼠笼式感应电动机。在包括定子的鼠笼式感应电动机中，其中定子绕组缠绕在定子芯的内周周围间隔设置的多个定子槽中，转子的转子在其中嵌入多个转子在转子铁芯的两端设置间隔设置在转子铁心的外周的端部，端环设置在转子铁心的两端，转子铁芯由多个块构成，环状的短路环设置在各块之间转子芯的短路，使转子芯的层叠厚度大于定子铁芯的层叠厚度。

5. 发明授权

US07408323B2 Frequency converter, motor, motor drive system and maintenance method for motor drive system 有权
标题翻译：变频器，电机，电机驱动系统及电机驱动系统的维护方法
公开(公告)号：US07408323B2
公开(公告)日：2008-08-05
申请号：US11783602
申请日：2007-04-10
申请人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
发明人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
IPC分类号： H02P27/04
CPC分类号： H02P1/022 , H02K11/00 , H02K11/0094 , H02M1/126 , H02M7/003 , H02M7/48 , H02M7/5387 , H02P29/02
摘要： A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change unit is provided in the housing, the rise time change unit changes a rise time of a waveform of a voltage output from the inverter unit.
摘要翻译：一种用于输出用于驱动电动机的电力的变频器，具有：用于反转直流电的逆变器单元。权力到a.c. 功率; 用于控制逆变器单元的控制单元; 以及用于至少支持所述逆变器单元和控制单元的壳体，其中在所述壳体中设置上升时间改变单元，所述上升时间改变单元改变从所述逆变器单元输出的电压的波形的上升时间。

6. 发明申请

US20080061730A1 FREQUENCY CONVERTER, MOTOR, MOTOR DRIVE SYSTEM AND MAINTENANCE METHOD FOR MOTOR DRIVE SYSTEM 有权
标题翻译：频率转换器，电机，电机驱动系统和电机驱动系统的维护方法
公开(公告)号：US20080061730A1
公开(公告)日：2008-03-13
申请号：US11931704
申请日：2007-10-31
申请人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
发明人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
IPC分类号： H02K11/00 , G05F3/02
CPC分类号： H02P1/022 , H02K11/00 , H02K11/0094 , H02M1/126 , H02M7/003 , H02M7/48 , H02M7/5387 , H02P29/02
摘要： A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change unit is provided in the housing, the rise time change unit changes a rise time of a waveform of a voltage output from the inverter unit.
摘要翻译：一种用于输出用于驱动电动机的电力的变频器，具有：用于反转直流电的逆变器单元。权力到a.c. 功率; 用于控制逆变器单元的控制单元; 以及用于至少支持所述逆变器单元和控制单元的壳体，其中在所述壳体中设置上升时间改变单元，所述上升时间改变单元改变从所述逆变器单元输出的电压的波形的上升时间。

7. 发明申请

US20070200530A1 Frequency converter, motor, motor drive system and maintenance method for motor drive system 有权
公开(公告)号：US20070200530A1
公开(公告)日：2007-08-30
申请号：US11783602
申请日：2007-04-10
申请人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
发明人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
IPC分类号： H02P27/04
CPC分类号： H02P1/022 , H02K11/00 , H02K11/0094 , H02M1/126 , H02M7/003 , H02M7/48 , H02M7/5387 , H02P29/02
摘要： A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change unit is provided in the housing, the rise time change unit changes a rise time of a waveform of a voltage output from the inverter unit.

8. 发明授权

US08816694B2 Apparatus and method for detecting partial discharge at turn-to-turn insulation in motor 有权
标题翻译：用于检测电动机匝间绝缘的局部放电的装置和方法
公开(公告)号：US08816694B2
公开(公告)日：2014-08-26
申请号：US11190080
申请日：2005-07-27
申请人： Kouji Obata , Keiji Fukushi , Takeshi Obata , Koichiro Saito , Tadahiro Shimozono
发明人： Kouji Obata , Keiji Fukushi , Takeshi Obata , Koichiro Saito , Tadahiro Shimozono
IPC分类号： G01R31/34
CPC分类号： G01R31/346 , G01R31/06 , G01R31/1272 , G01R31/34 , H02K15/105 , Y10T29/49004
摘要： Apparatus and method for partial discharge detection of turn-to-turn insulation in motor has a surge generator for generating a surge voltage to the windings of the motor by applying a pulse voltage, and a partial discharge current detector for detecting partial discharge currents between the winding turns of the motor. The surge generator generates in and between the windings of the motor the surge voltage that has the rise time and fall time corresponding to the rise time of the surge voltage observed at the motor terminal when the motor is driven by an inverter, and that is repeated at a frequency of 50 Hz to 20 kHz.
摘要翻译：用于电动机的匝间绝缘的局部放电检测的装置和方法具有浪涌发生器，用于通过施加脉冲电压产生对电动机的绕组的浪涌电压;以及局部放电电流检测器，用于检测电动机的局部放电电流电机绕组匝数。浪涌发生器在电动机的绕组之间和之间产生浪涌电压，其具有上升时间和下降时间，其对应于当电动机由逆变器驱动时在电动机端子处观察到的浪涌电压的上升时间，并且重复频率为50Hz至20kHz。

9. 发明授权

US07663337B2 Frequency converter, motor, motor drive system and maintenance method for motor drive system 有权
标题翻译：变频器，电机，电机驱动系统及电机驱动系统的维护方法
公开(公告)号：US07663337B2
公开(公告)日：2010-02-16
申请号：US12354427
申请日：2009-01-15
申请人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
发明人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
IPC分类号： H02P23/00
CPC分类号： H02P1/022 , H02K11/00 , H02K11/0094 , H02M1/126 , H02M7/003 , H02M7/48 , H02M7/5387 , H02P29/02
摘要： A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change unit is provided in the housing, the rise time change unit changes a rise time of a waveform of a voltage output from the inverter unit.
摘要翻译：一种用于输出用于驱动电动机的电力的变频器，具有：用于反转直流电的逆变器单元。权力到a.c. 功率; 用于控制逆变器单元的控制单元; 以及用于至少支持所述逆变器单元和控制单元的壳体，其中在所述壳体中设置上升时间改变单元，所述上升时间改变单元改变从所述逆变器单元输出的电压的波形的上升时间。

10. 发明授权

US07202628B2 Frequency converter, motor, motor drive system and maintenance method for motor drive system 有权
公开(公告)号：US07202628B2
公开(公告)日：2007-04-10
申请号：US11521486
申请日：2006-09-15
申请人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
发明人： Tadahiro Shimozono , Takeshi Obata , Koichiro Saito , Osamu Matsumoto , Kouji Obata
IPC分类号： H02P27/04
CPC分类号： H02P1/022 , H02K11/00 , H02K11/0094 , H02M1/126 , H02M7/003 , H02M7/48 , H02M7/5387 , H02P29/02
摘要： A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change unit is provided in the housing, the rise time change unit changes a rise time of a waveform of a voltage output from the inverter unit.

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