专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2014011866A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2014011866A
公开(公告)日：2014-01-20
申请号：JP2012146285
申请日：2012-06-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA MAMORU , KOMURA AKIYOSHI , KOORI DAISUKE , FUJIGAKI TETSURO , IIZUKA MOTONOBU
IPC分类号： H02K1/27 , H02K1/22 , H02K21/14
CPC分类号： H02K3/04 , H02K1/223 , H02K1/2766 , Y02E10/725
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine that has improved demagnetization resistance of permanent magnets and prevents output from declining as possible.SOLUTION: The rotary electric machine comprises: a shaft 6; a rotor 2 which rotates together with the rotation of the shaft 6 and comprises permanent magnets 3; and a stator 1 which is placed facing to the outer diameter side of the rotator 2 with a clearance from the rotator 2. The rotary electric machine further comprises demagnetization protection conductors 7 which extend in the axis direction of the shaft 6 and are placed inside of the rotator 2. A pair of demagnetization protection conductors 7 is provided per magnetic pole of the rotator 2 and the pair of demagnetization protection conductors 7 is electrically connected with each other. The demagnetization protection conductors 7 are placed at an adjacent different pole side rather than a permanent magnet 3 end close to another permanent magnet 3 in the same magnetic pole in a circumferential direction of the rotator 2 inside of the rotator 2.
摘要翻译：要解决的问题：提供一种具有改善的永久磁铁的去磁阻力并防止输出降低的旋转电机。解决方案：旋转电机包括：轴6; 转子2，其与轴6的旋转一起旋转，并且包括永磁体3; 以及与旋转体2的间隔面朝向旋转体2的外径侧配置的定子1.旋转电机还包括在轴6的轴线方向上延伸并设置在轴6的内侧的去磁保护导体7 转子2.在转子2的每个磁极上设置一对消磁保护导体7，一对退磁保护导体7彼此电连接。退磁保护导体7位于旋转体2内部的旋转体2的圆周方向上位于同一磁极的相邻的不同极侧而不是靠近另一永磁体3的永磁体3端。

2. 发明专利

JP2014003865A Bearing replacement method of rotary electric machine and disassembly device for bearing replacement 有权
标题翻译：旋转电机的轴承替代方法和轴承更换的拆卸装置
公开(公告)号：JP2014003865A
公开(公告)日：2014-01-09
申请号：JP2012139327
申请日：2012-06-21
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUCHIYA SETSU , IIZUKA MOTONOBU , MIZUTANI SHUJI , FUJIGAKI TETSURO , ENDO MASAAKI , YASUI YOSHIHIRO , SERITA SHOGO , NITTA MASAKAZU
IPC分类号： H02K15/14 , H02K15/02
CPC分类号： F16C35/062 , B25B27/06 , F03D80/50 , F03D80/70 , F05B2230/80 , F16C2237/00 , F16C2360/31 , Y02E10/722 , Y02E10/726 , Y02P70/523 , Y10T29/49679 , Y10T29/53104
摘要： PROBLEM TO BE SOLVED: To enable bearing replacement work to be carried out at a limited space in a nacelle, significantly reduce the costs, and shorten the maintenance time.SOLUTION: In a bearing replacement method of a rotary electric machine of this invention, when a bearing of the rotary electric machine is replaced, multiple bendable arms, which are for removing a first bearing cover component, a power feeding device outer frame, and a slip ring, are attached to an end part of the rotary electric machine. The first bearing cover component, the power feeding device outer frame, and the slip ring are respectively removed by the multiple arms and then the bearing is replaced.
摘要翻译：要解决的问题：为了在机舱的有限空间中进行轴承更换工作，可以显着降低成本，缩短维护时间。解决方案：在本发明的旋转电机的轴承更换方法中，当更换旋转电机的轴承，用于移除第一轴承盖部件，供电装置外框架和滑环的多个可弯曲臂安装在旋转电机的端部。第一轴承盖部件，供电装置外框架和滑环分别由多个臂移除，然后更换轴承。

3. 发明专利

JP2005348512A Dynamo-electric machine 有权
标题翻译： DYNAMO-ELECTRIC MACHINE
公开(公告)号：JP2005348512A
公开(公告)日：2005-12-15
申请号：JP2004164820
申请日：2004-06-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA MAMORU , IDE KAZUMASA , FUJIGAKI TETSURO
IPC分类号： H02K9/06 , H02K16/04 , H02K19/26 , H02K21/16
摘要： PROBLEM TO BE SOLVED: To provide a dynamo-electric machine which can be cooled without being provided with a separate cooler even in case that the heating density is high, by making its physical constitution small.
SOLUTION: The dynamo-electric machine 1 is equipped with two stator cores 10 where coils 13 are wound concentratedly on teeth parts 12 which are made in plural numbers to project inward from a circular yoke 11, and a rotor 20 which is arranged to pass inside the two stators 10 and rotates to the stator core 10 by the magnetic fields generated by the teeth parts 12. Then, the rotor 20 is provided with a radial fan 22 for cooling the coil end part 13a of the coil 13.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种发电机，其即使在加热密度高的情况下也可以通过使其体积小而能够冷却而不设置单独的冷却器。解决方案：发电机1配备有两个定子铁心10，其中线圈13集中地卷绕在多个数量的齿部12上，从圆形轭铁11向内突出，转子20布置通过两个定子10内部，并通过由齿部12产生的磁场旋转到定子芯10.然后，转子20设置有用于冷却线圈13的线圈端部13a的径向风扇22。 P>版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2003189566A DYNAMO-ELECTRIC MACHINE AND ITS MANUFACTURING METHOD 审中-公开
公开(公告)号：JP2003189566A
公开(公告)日：2003-07-04
申请号：JP2001381025
申请日：2001-12-14
申请人： HITACHI LTD
发明人： NISHIHAMA KAZUO , MIKAMI HIROYUKI , TAKAHASHI MIYOSHI , FUJIGAKI TETSURO
IPC分类号： H02K17/16 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To restrain increase of vibration and noise which are caused by difference of electric resistance value between rotor conductor and a short-circuit ring. SOLUTION: A plurality of rotor conductor and portions 23A accommodated in slots of a rotor core 21 are short-circuited to a short-circuit ring 25. Rotor conductors 23 are accommodated in accommodation trenches 28 installed in an outer peripheral part of the short-circuit ring 25. A part between the short- circuit ring 25 facing the rotor core 21 and the rotor conductors 23 is so bonded by a bonding part 27 that the rotor conductors and the short-circuit ring 25 are made an unified body. COPYRIGHT: (C)2003,JPO

5. 发明专利

JP2003079099A Open type dynamo-electric machine 审中-公开
标题翻译：开式动力电动机
公开(公告)号：JP2003079099A
公开(公告)日：2003-03-14
申请号：JP2001268199
申请日：2001-09-05
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUJIGAKI TETSURO , KAJIWARA KENZO
IPC分类号： H02K9/06
摘要： PROBLEM TO BE SOLVED: To provide an open type dynamo-electric machine with enhanced cooling effect achieved by improving the cooling method of the machine and having enhanced reliability achieved by reducing the vibration of the rotor axis as well as suction of foreign matter.
SOLUTION: The open type dynamo-electric machine is provided with a frame 1 formed continuously in the axial direction and having an inner ventilation path 9, a stator (core) 7 having stator winding, a rotor (core) 6 having rotor winding and ventilation ducts in the axial and radial directions, brackets 5 supporting the rotor on both sides in the axial direction of the frame while keeping the stator (core) 7 and the rotor (core) 6 stored within the frame, and a cooling fan 4 that ventilates by rotating together with the rotor axis 3, and has shafts protruding from the brackets on both sides to be connected directly to loads. It is characterized by being provided with an axial-flow fan inside the frame 1 supported by the brackets 5.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种通过改进机器的冷却方法而实现的具有增强的冷却效果的开放式发电机，并且通过减少转子轴的振动以及异物的吸入而实现了增强的可靠性。解决方案：开式发电机设置有沿轴向连续形成的框架1，具有内部通风路径9，具有定子绕组的定子（铁芯）7，具有转子绕组和通风的转子（铁芯）6）在轴向和径向方向上的导管，支架5，其在框架的轴向方向上支撑转子两侧，同时保持定子（芯部）7和转子（芯部）6储存在框架内;以及冷却风扇4，其通风通过与转子轴线3一起旋转，并且具有从两侧的支架突出的轴直接连接到负载。其特征在于，在由支架5支撑的框架1内设置有轴流风扇。

6. 发明专利

JP2000152531A DYNAMO ELECTRIC MACHINE 失效
公开(公告)号：JP2000152531A
公开(公告)日：2000-05-30
申请号：JP31887098
申请日：1998-11-10
申请人： HITACHI LTD
发明人： MIKAMI HIROYUKI , TAKAHASHI MIYOSHI , KOBAYASHI KOJI , KAJIWARA KENZO , FUJIGAKI TETSURO
IPC分类号： H02K1/20 , H02K9/02
摘要： PROBLEM TO BE SOLVED: To provide a dynamo electric machine of simple constitution which allows local temperature rise to be sufficiently suppressed and produces less vibration and noise. SOLUTION: A dynamo electric machine is provided with a stator core 2, having winding housing slots 3 and stator windings 4 which are housed in the winding housing slots 3 and to which a plurality of alternating currents, being out of phase, are applied. The stator core 2 are split in the axial direction into a plurality of packets, and a plurality of duct pieces 9 placed at intervals in the circumferential direction and extending in the radial direction are placed between the packets. Furthermore, the dynamo electric machine is so formed that a coolant gas is circulated between the adjoining duct pieces. The duct pieces 9 are formed of a magnetic material and are so arranged, that they are placed in positions corresponding to core teeth 8 which forms the slots. Moreover, the duct pieces 9 are so designed that their width in the circumferential direction differs according to the maximum flux density of the core teeth 8.

7. 发明专利

JP2012095534A 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：JP2012095534A
公开(公告)日：2012-05-17
申请号：JP2012031234
申请日：2012-02-16
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KORI DAISUKE , FUJIGAKI TETSURO , AIZAWA HIDEKI , IIZUKA MOTONOBU , IWAI YASUSHI , MIKAMI HIROYUKI , KIMURA MAMORU
IPC分类号： H02K1/32 , H02K1/22 , H02K1/27 , H02K21/14
摘要： PROBLEM TO BE SOLVED: To make a generator generating heat into a structure that can easily be cooled, to reduce a constitution and to reduce cost in a permanent magnet-type rotary electric machine, especially, a permanent magnet-type rotary electric machine for wind power generation.SOLUTION: The permanent magnet-type rotary electric machine includes a stator and a rotor 1 which is arranged by facing the stator with a prescribed interval. Permanent magnets 3 and 4 are stored in a permanent magnet slot 5. The permanent magnets 3 and 4 are arranged in a rotor core 2 by alternately changing polarity in a circumferential direction. A cooling ventilation flue 6 formed of a groove extending in an axial direction and extending toward a shaft center is formed in the rotor core 2. The groove in the cooling ventilation flue 6 is arranged toward an inner peripheral side in the radial direction from an end on an outer peripheral side in the radial direction of the rotor core 2. A fan is connected to a shaft 7 becoming a rotation shaft of the rotor core 2, and cooling wind sent from the fan is introduced to the cooling ventilation flue 6.
摘要翻译：要解决的问题：为了使发电机产生热量易于冷却的结构，以减少永磁式旋转电机的结构和降低成本，特别是永磁式旋转电机风力发电机。解决方案：永磁式旋转电机包括定子和以规定间隔面对定子的转子1。永磁体3和4被存储在永久磁铁槽5中。永久磁铁3和4通过周向交替地改变极性而设置在转子铁芯2中。在转子铁芯2上形成有沿轴向延伸并向轴心延伸的槽形成的冷却通风道6，冷却用通风道6的槽从端部向径向内侧设置在转子铁心2的径向的外周侧。风扇连接到作为转子铁心2的旋转轴的轴7，并且从风扇发出的冷却风被引入到冷却通风道6。 P>版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2009089470A Rotary electric machine 审中-公开
标题翻译：旋转电机
公开(公告)号：JP2009089470A
公开(公告)日：2009-04-23
申请号：JP2007252988
申请日：2007-09-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IWAI YASUSHI , IWASHIGE KENGO , IIZUKA MOTONOBU , FUJIGAKI TETSURO
IPC分类号： H02K1/32 , H02K3/24 , H02K9/08
摘要： PROBLEM TO BE SOLVED: To obtain a rotary electric machine that increases the quantity of circulating coolant contributing to cooling to enhance the cooling capability.
SOLUTION: The rotary electric machine is substantially constituted of a stator 6, a rotor 2, and a stator frame 10 for housing them and has a magnetic pole-to-magnetic pole air duct 5 positioned between magnetic pole heads of the rotor core 7 in the circumferential direction and extended in the axial direction. The sidewall faces forming the air ducts 5 are so constructed that the sidewall faces on the outside diameter side in the radial direction positioned forward in the direction of rotation of the rotor 2 and the sidewall faces on the outside diameter side in the radial direction positioned backward are tilted in the direction of rotation of the rotor 2.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：获得增加有助于冷却的循环冷却剂的量以提高冷却能力的旋转电机。解决方案：旋转电机基本上由定子6，转子2和用于容纳它们的定子架10构成，并且具有位于转子的磁极头之间的磁极至磁极空气导管5 芯部7在圆周方向上沿轴向延伸。形成空气管道5的侧壁面构造成使得侧壁面向位于转子2的旋转方向前方的半径方向的外径侧，并且朝径向的外径侧的侧壁面向后方在转子2的旋转方向上倾斜。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2004236439A Rotating electric machine 审中-公开
公开(公告)号：JP2004236439A
公开(公告)日：2004-08-19
申请号：JP2003022475
申请日：2003-01-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUJIGAKI TETSURO , MIZUTANI SHUJI , SOMA KOJI , IWASHIGE KENGO , TSUZAWA KENICHI
IPC分类号： H02K9/06
摘要： PROBLEM TO BE SOLVED: To reduce noise while improving the heat dissipation efficiency of a rotating electric machine equipped with a radial duct.
SOLUTION: The rotating electric machine is constituted such that a hollowed rotor core 4 is held to a rotor shaft 6 by a rotor shaft arm 8, and an axial duct is thereby formed between the rotor core 4 and the rotor shaft 6. A rectifying plate 11 is installed between circumferential directions of the rotor shaft arm 8, not to cause a wind drift in a cooling wind in the axial duct.
COPYRIGHT: (C)2004,JPO&NCIPI

10. 发明专利

JP2003228621A ENERGY SUPPORT METHOD 审中-公开
公开(公告)号：JP2003228621A
公开(公告)日：2003-08-15
申请号：JP2002369932
申请日：2002-12-20
申请人： HITACHI LTD
发明人： YABUTANI TAKASHI , ABE JUN , YAMAMOTO YUJI , FUJIGAKI TETSURO , YABUNO TAICHIRO , SATO KAZUO , MIYABE TAKAAKI
IPC分类号： G06Q50/00 , G06Q50/06 , G06Q50/10 , H04Q9/00 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To provide an energy saving support method and an energy saving operation method for a load device for allowing a user who wants to save energy to receive a target energy saving service without making any initial investment, and for allowing a person who provides the energy saving service to expect sufficient benefits. SOLUTION: The present power consumption of the supervised load facility of a user who wants to save energy, and owns the supervised load facility is calculated, and a service provider sets an inverter or an inverter and a motor at the supervised load facility for controlling the number of revolution. Then, a merit refund is calculated based on a difference between the present power consumption and the inverter control power consumption, and the merit refund is reflected on the contents established between the user and the service provider so that the merit refund can be distributed. COPYRIGHT: (C)2003,JPO

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式