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1. 发明专利

JP2005237200A Electromotive vehicle using permanent magnet rotary electric machine, and permanent magnet rotary electric machine 有权
标题翻译：使用永磁电机的电动车和永磁电动机
公开(公告)号：JP2005237200A
公开(公告)日：2005-09-02
申请号：JP2005142080
申请日：2005-05-16
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： TAJIMA FUMIO , MATSUNOBU YUTAKA , KAWAMATA SHOICHI , SHIBUKAWA SUETARO , KOIZUMI OSAMU , ODA KEIJI
IPC分类号： H02K1/22 , H02K1/24 , H02K1/27 , H02K19/10 , H02K21/14
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide the permanent magnet rotary electric machine suppressing cogging torques and torque pulsations, while acquiring reluctance torque by an auxiliary magnetic pole, and to provide the electromotive vehicle which uses this permanent magnet rotary electric machine. SOLUTION: By having magnetic voids provided between a permanent magnet of a rotor and an auxiliary magnetic pole, mutually adjacent circumferentially to this permanent magnet, cogging torques and the toque pulsations are suppressed by making changes gentle in the distribution of the magnetic flux density in the surface of the rotor. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在通过辅助磁极获取磁阻转矩的同时，提供抑制齿槽转矩和转矩脉动的永久磁铁旋转电机，并提供使用该永久磁铁旋转电机的电动车辆。解决方案：通过在转子的永磁体和辅助磁极之间设置磁性空隙，与该永磁体相邻地相邻地相邻地邻接，齿槽转矩和扭矩脉动通过使磁通量的分布变化平缓来抑制转子表面的密度。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005198500A Rotary machine 审中-公开
标题翻译：旋转机
公开(公告)号：JP2005198500A
公开(公告)日：2005-07-21
申请号：JP2005091796
申请日：2005-03-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAMOTO NORIAKI , TANEDA KOKI , SHIBUKAWA SUETARO , TAJIMA FUMIO
IPC分类号： H02K5/18 , H02K9/22
摘要： PROBLEM TO BE SOLVED: To provide a motor and a generator enhancing heat radiation, while attaining miniaturization of the motor.
SOLUTION: The motor is made in a form of axially positioning in its both ends brackets 30, 40 to arrange in an inner side thereof a radial rib (protrusion 31), the motor is constituted to be assembled in such a manner that the rib 31 is arranged in between spaces of coil ends 14 adjacent to each other of a stator. By making the protrusion 31 serve as a refrigerant passage, a stator winding further improves the heat radiation, so as to provide the motor of high efficiency, miniaturization and light weight. An elastic body superior in thermal conductivity and insulation may be interposed in between the coil end 14 and the inner surface of the bracket.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供增强散热的电动机和发电机，同时实现电动机的小型化。解决方案：电动机制成轴向定位在其两端支架30,40中的形式，以在其内侧布置有径向肋（突起31），该电动机构造成以下述方式组装：肋31布置在相邻于定子的线圈端部14的空间之间。通过使突起31作为制冷剂通路，定子绕组进一步提高了散热，从而提供高效率，小型化和重量轻的电动机。导热性和绝缘性优异的弹性体可插入线圈端14和支架内表面之间。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2006191757A Rotating electric machine and electric power steering device therewith 审中-公开
标题翻译：旋转电机和电动转向装置
公开(公告)号：JP2006191757A
公开(公告)日：2006-07-20
申请号：JP2005001994
申请日：2005-01-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAJIMA FUMIO , KITAMURA MASAJI , ISHIGAMI TAKASHI , INNAMI TOSHIYUKI , SHIBUKAWA SUETARO
IPC分类号： H02K21/16 , B62D5/04 , H02K1/14 , H02K3/18 , H02K3/28
摘要： PROBLEM TO BE SOLVED: To provide a concentratedly wound permanent magnet rotating electric machine and an electric power steering device capable of attaining crossover shortening, size and weight reductions and high efficiency, by reducing the number of connections of windings between salient magnetic poles, and to provide an electric power steering device therewith.
SOLUTION: This rotating electric machine at least contains permanent magnetic poles arranged at prescribed intervals, a permanent magnetic field section formed out of the permanent magnetic poles, salient magnetic poles which are arranged at prescribed intervals and of which quantity is M, armature windings concentratedly wound around the salient magnetic poles and in a poly-phase connection, and armatures with the armature windings. To control current running through the armature windings in accordance with traveling positions of the permanent magnetic field section and to generate torque at the permanent magnetic field section, the number of the permanent magnetic poles P, and the number of the salient magnetic poles M have the following relationship: (2/3)M
摘要翻译：要解决的问题：为了提供一种集中缠绕的永久磁铁旋转电机和能够实现交叉缩短，尺寸和重量减轻以及高效率的电动助力转向装置，通过减少突出磁极之间的绕组的连接次数并且提供一种电动助力转向装置。解决方案：该旋转电机至少包含以规定间隔布置的永久磁极，由永久磁极形成的永久磁场部分，以规定间隔布置的量级为M的电磁极，电枢绕组集中缠绕在突出的磁极和多相连接中，并与电枢绕组衔接。为了根据永久磁场部分的行进位置控制通过电枢绕组的电流，并且在永久磁场部分产生转矩，永久磁极P的数量和突出磁极M的数量具有以下关系：（2/3）M

4. 发明专利

JP2005287296A Permanent magnet type rotary electric machine and electric vehicle using it 审中-公开
标题翻译：永磁电机类型旋转电机和电动车使用它
公开(公告)号：JP2005287296A
公开(公告)日：2005-10-13
申请号：JP2005165006
申请日：2005-06-06
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： ODA KEIJI , SHIBUKAWA SUETARO
IPC分类号： B60K1/04 , B60L15/00 , H02K1/27 , H02K21/16
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type rotary electric machine for preventing the heat demagnetization of a permanent magnet, which is light in weight and small in size, and has high torque.
SOLUTION: Side rings 81 are mounted at both axial ends of a rotor core 4 having the built-in permanent magnet 6 arranged circumferentially thereof, the outside diameter of the side ring 81 is smaller than that of a rotor. In this way, an eddy current generated in the side ring 81 is suppressed to prevent abnormal heating, so that the heat demagnetization of the permanent magnet can be prevented.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于防止重量轻且尺寸小的永磁体的热退磁并具有高扭矩的永磁式旋转电机。解决方案：侧环81安装在转子铁芯4的两个轴向端部，转子铁心4具有周向布置的内置永磁体6，侧环81的外径小于转子的外径。以这种方式，抑制在侧环81中产生的涡流以防止异常加热，从而可以防止永久磁铁的热退磁。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2004274999A Permanent magnet rotary electric machine and electrically-propelled vehicle using the same 有权
公开(公告)号：JP2004274999A
公开(公告)日：2004-09-30
申请号：JP2004158536
申请日：2004-05-28
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： TAJIMA FUMIO , MATSUNOBU YUTAKA , KAWAMATA SHOICHI , SHIBUKAWA SUETARO , KOIZUMI OSAMU , ODA KEIJI
IPC分类号： H02K1/27
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide the permanent magnet rotary electric machine suppressing cogging torque and a torque pulsation while obtaining reluctance torque by an auxiliary magnetic pole and the electrically propelled vehicle using this permanent magnet rotary electric machine.
SOLUTION: A magnetic air gap is provided between the permanent magnet of a rotor and the auxiliary magnetic pole adjacent each other in a circumferential direction to the permanent magnet, so that a distribution change of magnetic flux density in the surface of the rotor is loosened to suppress the cogging torque and the torque pulsation.
COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2004002038A Hoisting machine and elevator device equipped with hoisting machine 有权
公开(公告)号：JP2004002038A
公开(公告)日：2004-01-08
申请号：JP2003202761
申请日：2003-07-29
申请人： Hitachi Building Systems Co Ltd , Hitachi Ltd , 株式会社日立ビルシステム , 株式会社日立製作所
发明人： NAKADA TAKANORI , NIHEI HIDEKI , NAGASE HIROSHI , IYODA HIROMI , ARAHORI NOBORU , SHIBUKAWA SUETARO , HINO TOKUAKI , NOKITA AKIHIRO , SAKAI YOSHIO , SHIOHATA HIRONORI
IPC分类号： B66B11/08
摘要： PROBLEM TO BE SOLVED: To provide a hoisting device and an elevator device equipped with the hoisting device that can be easily dismantled and assembled. SOLUTION: This device comprises a fixed frame 13, a fixed shaft 15 vertically extending along the fixed frame 13, a stator 22 mounted on the fixed frame 13, a rotation frame16 rotatably pivoted to the fixed shaft 15 via bearings 18A, 18B, a sheave 26 fixed on the opposite fixed frame side of the rotation frame16, a rotor 21 mounted on the rotation frame 16, oppositely to the stator 22, a peripheral wall 19 formed on the outer periphery of the rotation frame 16 so as to have a larger diameter than the sheave 26, and a brake 29 pivoted so as to oppose the peripheral wall 19 and slidably contacting the peripheral wall 19. COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2007055816A Elevator device 有权
标题翻译：电梯装置
公开(公告)号：JP2007055816A
公开(公告)日：2007-03-08
申请号：JP2006326424
申请日：2006-12-04
申请人： Hitachi Building Systems Co Ltd , Hitachi Ltd , 株式会社日立ビルシステム , 株式会社日立製作所
发明人： NAKADA TAKANORI , NIHEI HIDEKI , NAGASE HIROSHI , IYODA HIROMI , ARAHORI NOBORU , SHIBUKAWA SUETARO , HINO TOKUAKI , NOKITA AKIHIRO , SAKAI YOSHIO , SHIOHATA HIRONORI
IPC分类号： B66B11/08 , B66B11/04
摘要： PROBLEM TO BE SOLVED: To provide an elevator device allowing easy assembly and disassembly of a hoisting machine.
SOLUTION: The elevator device has the hoisting machine 11 installed in an elevator shaft 1, and an elevator car 3 and a balance weight lifted in the shaft 1 through a main rope 5 wrapped around a sheave 26. The hoisting machine 11 is disposed to locate the cantilever side on the center side of the shaft 1 and to locate the free end side on the wall side of the shaft 1, and the sheave 26 is detachably mounted to the side face of a rotating frame 16 of the hoisting machine 11.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够容易地组装和拆卸曳引机的电梯装置。解决方案：电梯装置具有安装在电梯井1中的曳引机11，并且电梯轿厢3和平衡重通过缠绕在滑轮26上的主绳索5提升到轴1中。曳引机11是设置为将悬臂侧定位在轴1的中心侧，并将自由端侧定位在轴1的壁侧，并且滑轮26可拆卸地安装在曳引机的旋转框架16的侧面版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2004299910A Elevator apparatus 有权
公开(公告)号：JP2004299910A
公开(公告)日：2004-10-28
申请号：JP2004210915
申请日：2004-07-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NIHEI HIDEKI , NAGASE HIROSHI , ITO MASANOBU , NAKADA TAKANORI , KUROSAWA KAORU , IYODA HIROMI , SHIBUKAWA SUETARO , HINO TOKUAKI , SAKAI YOSHIO
IPC分类号： B66B11/08 , H02K7/102
摘要： PROBLEM TO BE SOLVED: To provide an elevator apparatus enabling the easy assembly and disassembly of a traction machine by eliminating the effects of a brake and a motor on the traction machine.
SOLUTION: This elevator apparatus comprises a counterweight 31 and a car 28 lifting in a hoistway 25 through a rope 26 driven by the traction machine 1. The traction machine 1 comprises a permanent magnet type synchronous motor 7 of radial gap system having a stator fixed to a frame 3 and a rotor fixed to a housing 16. A separable sheave 5 is installed on the anti-frame 3 side of the housing 16, and the outer diameter of the sheave 5 is made smaller than the outer diameter of the housing 16.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004041000A Permanent magnet rotary electric machine for electric vehicle 有权
公开(公告)号：JP2004041000A
公开(公告)日：2004-02-05
申请号：JP2003322554
申请日：2003-09-16
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： TAJIMA FUMIO , MATSUNOBU YUTAKA , KAWAMATA SHOICHI , SHIBUKAWA SUETARO , KOIZUMI OSAMU , ODA KEIJI
IPC分类号： H02K1/22 , B60L9/18 , H02K1/27 , H02K21/16
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide an electric vehicle with a long driving range by using a permanent magnet rotary electric machine that can be rotated speedily as part of a driving mechanism.
SOLUTION: The rotary electric machine 10 is constituted of a stator 20 of a stator core 22, where a stator coil 24 is wound and a rotor 30 that is rotatably retained at the inner periphery of the stator 20, and has a rotor core 32 and a plurality of permanent magnets 36 arranged facing the stator core 22 inside the rotor core 32. In this case, a ratio (R1/R0) of a radius R0 of the rotor 30 to distance up to the position at the inner-periphery side of the permanent magnet 36 from the center of the rotor 30 is set larger than 0.85.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2006101695A Permanent magnet rotary electric machine and car 有权
标题翻译：永磁电机旋转电机
公开(公告)号：JP2006101695A
公开(公告)日：2006-04-13
申请号：JP2005328469
申请日：2005-11-14
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： TAJIMA FUMIO , MATSUNOBU YUTAKA , KAWAMATA SHOICHI , SHIBUKAWA SUETARO , KOIZUMI OSAMU , ODA KEIJI
IPC分类号： H02K1/27 , H02K1/22 , H02K21/16
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet rotary electric machine which suppresses cogging torque and torque pulsation, while obtaining reluctance torque by auxiliary magnetic poles, and to provide a car that uses it.
SOLUTION: A rotor 2 includes a rotor core 8, and a plurality of permanent magnets 9 provided inside the rotor core 8. A plurality of permanent magnets insert holes 10, a plurality of the auxiliary magnetic poles 16 for generating the reluctance torque, and a plurality of magnetic voids 14 are formed at the rotor core 8. Moreover, in the auxiliary magnetic poles 16, the width in the circumferential direction is made larger than that in the circumferential direction of the permanent magnets 9.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过辅助磁极获得磁阻转矩并提供使用该电动机的汽车来抑制齿槽转矩和转矩脉动的永磁式旋转电机。转子2包括转子芯8和设置在转子芯8内部的多个永磁体9.多个永磁体插入孔10，多个用于产生磁阻转矩的辅助磁极16 并且在转子铁芯8处形成有多个磁性空隙14.此外，在辅助磁极16中，使圆周方向的宽度大于永久磁铁9的圆周方向的宽度。（C）2006，JPO＆NCIPI

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