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1. 发明专利

JP2007282366A Electric rotating electric machine 有权
标题翻译：电动旋转电机
公开(公告)号：JP2007282366A
公开(公告)日：2007-10-25
申请号：JP2006104813
申请日：2006-04-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , HATTORI KENICHI , SENBA AKIOMI , KAKIMOTO TADAAKI , SAEKI MITSURU , TAKAHASHI KAZUHIKO , KOMURA AKIYOSHI
IPC分类号： H02K9/06
摘要： PROBLEM TO BE SOLVED: To provide a compact and light electric rotating electric machine for maintaining cooling capability, and disposing coolers without increasing a height from the lower end of the electric rotating electric machine to an axial center and a total height.
SOLUTION: The electric rotating electric machine overcomes the problem, and is provided with: a rotor iron core having a rotor winding wound to the rotor iron core; a stator iron core facing the rotor iron core through an air gap, radially extended, and having a plurality ventilation ducts axially disposed at predetermined intervals and a stator winding wound to the stator iron core; a stator frame for receiving them; a plurality of ventilation sections disposed between the stator frame and the stator iron core, and axially partitioned by partition plates; a cooling medium circulated within the stator frame, and cooling the interior of the electric rotating electric machine; the coolers disposed in the middle of a circulation path of the cooling medium, and cooling the cooling medium; and a ventilation path communicated with the ventilation sections, and axially continuous. The coolers are circumferentially disposed in the same position in the axial direction.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于保持冷却能力的紧凑型轻型电动旋转电机，并且在不增加从旋转电机的下端到轴向中心和总高度的高度的情况下设置冷却器。解决方案：旋转电机克服了这个问题，并提供有转子铁芯，转子绕组缠绕在转子铁芯上; 定子铁芯通过气隙面向转子铁芯，径向延伸，并且具有以预定间隔轴向设置的多个通风管道和缠绕在定子铁芯上的定子绕组; 用于接收它们的定子框架; 多个通风部，其设置在所述定子框架和所述定子铁芯之间，并且由隔板轴向隔开; 在定子框架内循环的冷却介质，并且冷却电动旋转电机的内部; 所述冷却器设置在所述冷却介质的循环路径的中间，并且冷却所述冷却介质; 以及与通气部连通的通气路径，并且轴向连续。冷却器周向地设置在轴向相同的位置。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2006074880A Rotary electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2006074880A
公开(公告)日：2006-03-16
申请号：JP2004253711
申请日：2004-09-01
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , TAKAHASHI KAZUHIKO , IDE KAZUMASA , KANEDA JUNYA , HATTORI KENICHI , WATANABE TAKASHI
IPC分类号： H02K1/06 , H02K1/02 , H02K1/18
CPC分类号： H02K1/16 , H02K1/02
摘要： PROBLEM TO BE SOLVED: To solve a problem that heat is locally applied to a stator core end teeth.
SOLUTION: Divided pieces are formed by punching a non-oriented electrical steel sheet by only the number of pieces of stator core ends and laminated, and divided pieces formed by punching the electrical steel sheet in the radial direction along the roll direction of the electrical steel sheet by only the number of pieces of stator core axial ends, thus allowing magnetic flux to easily pass the teeth, and thereby preventing the overheat from being locally applied to the teeth due to the radial magnetic flux.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了解决局部地对定子铁心端齿施加热量的问题。解决方案：仅通过定子铁芯端部的数量冲压无定向电工钢板并层压形成分割件，并且通过沿着径向的方向冲压电工钢板而形成的分割片电磁钢板仅通过定子铁芯轴向端部的数量，从而允许磁通量容易地通过齿，从而防止由于径向磁通量而使过热局部施加到齿上。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2012170264A Magnetic gear device 审中-公开
标题翻译：磁齿轮装置
公开(公告)号：JP2012170264A
公开(公告)日：2012-09-06
申请号：JP2011030108
申请日：2011-02-15
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIMIZU NOBUO , SASADA TETSUO , NAKAHARA AKIHITO , ICHINOKURA OSAMU , NAKAMURA KENJI
IPC分类号： H02K49/10 , F16D7/02 , F16H49/00 , H02K49/02
摘要： PROBLEM TO BE SOLVED: To provide a magnetic gear device capable of suppressing an eddy current loss which occurs during torque transmission and improving torque transmission efficiency.SOLUTION: A magnetic gear device comprises: an input-side magnetic gear 2 in which a plurality of magnets 24 are arranged in a circumferential direction on a magnetic force generating surface provided to face a radial outside of an iron core 25 provided around a shaft line of an input rotary shaft 1; an output-side magnetic gear 3 in which the input-side magnetic gear 2 is coaxially provided in such a manner as to be surrounded and a plurality of magnets are arranged in the circumferential direction on a magnetic force generating surface of an ion core 33 facing a magnetic force generating surface of the input-side magnetic gear 2; magnetic route members 4 of electromagnetic steel fixed in the circumferential direction between the magnetic force generating surfaces which the input-side magnetic gear and the output-side magnetic gear 3 face so that they intervene between magnetic poles of the input-side magnetic gear 2 and the output-side magnetic gear 3; a non-magnetic material structure part 22 coaxially provided on axial center sides of the plurality of magnets 24 of the input-side magnetic gear 2; and a non-magnetic material structure part 31 coaxially provided on radial outside of a plurality of magnets of the output-side magnetic gear 3.
摘要翻译：要解决的问题：提供一种能够抑制在转矩传递期间发生的涡流损耗并提高转矩传递效率的磁齿轮装置。解决方案：磁齿轮装置包括：输入侧磁齿轮2，其中多个磁体24沿圆周方向布置在磁力产生表面上，该磁力产生表面设置成面对设置在其周围的铁芯25的径向外侧输入旋转轴1的轴线; 输出侧磁齿轮3，其中输入侧磁齿轮2以被包围的方式同轴设置，并且多个磁体沿圆周方向布置在离子核33的面向磁场的磁力产生表面上输入侧磁齿轮2的磁力产生表面; 在输入侧磁齿轮和输出侧磁齿轮3的磁力产生面之间沿圆周方向固定的电磁钢磁路部件4，使得它们介入输入侧磁齿轮2的磁极和输出侧磁齿轮3; 同轴地设置在输入侧磁齿轮2的多个磁体24的轴向中心侧的非磁性材料结构部22; 以及同轴地设置在输出侧磁齿轮3的多个磁体的径向外侧的非磁性材料结构部31。（C）2012，JPO＆INPIT

4. 发明专利

JP2006180644A Turbine generator 有权
标题翻译：涡轮发电机
公开(公告)号：JP2006180644A
公开(公告)日：2006-07-06
申请号：JP2004372481
申请日：2004-12-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , TAKAHASHI KAZUHIKO , IDE KAZUMASA , KIMURA MAMORU
IPC分类号： H02K19/26 , H02K21/04
CPC分类号： F02C7/268 , F01D15/10
摘要： PROBLEM TO BE SOLVED: To attain short overhanging of a shaft end of a turbine generator and miniaturization of the turbine generator.
SOLUTION: This turbine generator is equipped with a rotor 2 having a field wiring; a coupling 3 formed in one piece with a rotor shaft; an AC exciter for supplying a DC current to the field wiring through a rectification device; and a generator for the AC exciter, whose field magnet source is a permanent magnet, to supply a DC current to the field wiring in the AC exciter through a rectifier to rotate the rotor 1 by one turn with a coupling connection to a steam turbine or a gas turbine as a prime mover. With this constitution, an installation position of the generator for the AC exciter is located nearer to the turbine side than a turbine generator stator.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了获得涡轮发电机的轴端的短悬垂和涡轮发电机的小型化。
解决方案：该涡轮发电机配备有具有现场布线的转子2; 与转子轴一体形成的联轴器3; 交流励磁器，用于通过整流装置向现场布线提供直流电流; 以及用于交流励磁机的发电机，其励磁磁体源是永磁体，以通过整流器将直流电流提供给交流励磁器中的励磁线，以使转子1与蒸汽轮机的联接连接旋转一匝，作为原动机的燃气轮机。利用这种构造，用于AC励磁机的发电机的安装位置比涡轮发电机定子更靠近涡轮机侧。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005051867A Wind turbine generation system 有权
标题翻译：风力发电系统
公开(公告)号：JP2005051867A
公开(公告)日：2005-02-24
申请号：JP2003204221
申请日：2003-07-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , NISHIHAMA KAZUO , IDE KAZUMASA , FUJIGAKI TETSURO , TAMURA JUNJI
IPC分类号： F03D9/00 , H02J3/38 , H02P9/00 , H02P9/14
CPC分类号： Y02E10/725 , Y02E10/763
摘要： PROBLEM TO BE SOLVED: To provide a wind turbine generation system, including a wind turbine generator which uses an induction generator, wherein acceleration step out and destabilization of voltage that occur in system failure can be suppressed, and power can be continuously supplied with stability. SOLUTION: The wind turbine generator system comprises an induction machine-type wind turbine generator that generates power from torque arising from wind power; a device that detects the rotational speed and the voltage; an alternating-current exciting generator that is connected in parallel with the induction machine-type wind turbine generator and is capable of adjusting reactive power, when necessary; and a device that carries out secondary excitation control on the alternating-current exciting generator, if the detecting device detects anomalies in the rotational speed or the voltage. When there is anomaly in the generator system, reactive power is injected into the induction machine-type wind turbine generator, to carry out stabilization control of the rotational speed and the voltage of the induction machine-type wind turbine generator. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种风力发电系统，包括使用感应发电机的风力发电机，其中可以抑制在系统故障中发生的电压的加速失步和不稳定，并且可以连续供电稳定。风力发电机系统包括感应电机型风力发电机，其由风力发电的转矩产生电力; 检测转速和电压的装置; 一种交流励磁发电机，其与感应电机型风力发电机并联连接，并且在必要时能够调节无功功率; 如果检测装置检测到转速或电压的异常，则对交流励磁发电机进行二次励磁控制的装置。当发电机系统发生异常时，无功功率注入感应电机型风力发电机，对感应电机型风力发电机的转速和电压进行稳定控制。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2017093040A アキシャルギャップ型回転電機审中-公开
公开(公告)号：JP2017093040A
公开(公告)日：2017-05-25
申请号：JP2015216576
申请日：2015-11-04
申请人：株式会社日立製作所 , Hitachi Ltd
发明人： TAKAHASHI HIROKI , DOI AKIRA , NAKAHARA AKIHITO , OSHIRO MASAYUKI
IPC分类号： H02K21/24 , H02K5/18 , H02K9/22 , H02K16/04
摘要：【課題】小型で効率的に固定子を冷却することのできるアキシャルギャップ型回転電機を得る。【解決手段】アキシャルギャップ型回転電機は、回転軸に固定された回転子と、コイルを巻装した複数のコアを周方向に配置した固定子とが軸方向にギャップを有して対向配置されている。また、隣り合う前記コイル間に、前記コアと比較して熱伝導率の高い部材で構成され周方向に複数枚積層されたプレートを設け、前記プレートは隣り合う前記コイルに接するように配置され固定されている。【選択図】図2

7. 发明专利

JP2010239862A Turbine generator 审中-公开
标题翻译：涡轮发电机
公开(公告)号：JP2010239862A
公开(公告)日：2010-10-21
申请号：JP2010167688
申请日：2010-07-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , TAKAHASHI KAZUHIKO , IDE KAZUMASA , KIMURA MAMORU
IPC分类号： H02K19/28
摘要： PROBLEM TO BE SOLVED: To improve a turbine generator, by overcoming the problem wherein a rotation shaft is required to have an overhang for attachment of a power generator for an alternating current exciter, so that the axial length increases, and the overhang causes shaft vibrations.
SOLUTION: The turbine generator has a rotor with a field winding, and includes, on a rotor shaft, a coupling that is integrally cut with the rotor shaft, an alternating current exciter that provides direct current to the field winding via a rectifying device, and a power generator for the alternating current exciter that provides direct current to the field winding of the alternating current exciter via a rectifier using a permanent magnet as a field generating source. The rotor rotates as a result of contact between a steam turbine or a gas turbine serving as a motor and the coupling. In the turbine power generator, an attaching position of the power generator for the alternating current exciter is set closer to the turbine side than a turbine generator stator.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了改进涡轮发电机，通过克服旋转轴需要具有用于连接用于交流励磁机的发电机的悬臂以使得轴向长度增加的问题，并且悬臂导致轴振动。解决方案：涡轮发电机具有带有励磁绕组的转子，并且在转子轴上包括与转子轴一体切割的联轴器，交流励磁器，其通过整流作用向励磁绕组提供直流电流器件和用于交流励磁器的发电机，其通过使用永磁体作为场产生源的整流器将直流电流提供给交流励磁器的励磁绕组。转子由于作为电动机的汽轮机或燃气轮机与联轴器之间的接触而转动。在涡轮发电机中，用于交流励磁机的发电机的安装位置比涡轮发电机定子更靠近涡轮机侧。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010166816A Rotating electrical machine 有权
标题翻译：旋转电机
公开(公告)号：JP2010166816A
公开(公告)日：2010-07-29
申请号：JP2010106083
申请日：2010-05-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , MIKAMI HIROYUKI , IDE KAZUMASA , TAKAHASHI KAZUHIKO , HATTORI KENICHI
IPC分类号： H02K1/18 , H02K1/20
摘要： PROBLEM TO BE SOLVED: To provide a rotating electrical machine for achieving an improved temperature distribution in the vicinity of a stator winding to accomplish improved reliability. SOLUTION: The rotating electrical machine includes: a rotor formed of a magnetic-field winding wound round a rotor core; and a stator formed of a stator winding wound round a stator core. The stator is arranged in opposition to the rotor with a predetermined spacing therebetween. Furthermore, the rotating electrical machine has the following features. It is structured by punching a split piece, which comprises teeth for insertion of the stator winding and the core back on the outer periphery, from a magnetic steel sheet, by arranging a plurality of split pieces in a circle in a circumferential direction, and by laminating a plurality of those circular configurations in an axial direction. The stator core is formed of a plurality of oriented magnetic steel sheets laminated in an axial end region and a plurality of non-oriented magnetic steel sheets laminated in an axial central region, wherein the non-oriented magnetic steel sheets are higher than the oriented magnetic steel sheets in magnetic permeability in the diametrical direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在定子绕组附近实现改进的温度分布的旋转电机，以实现提高的可靠性。解决方案：旋转电机包括：转子，其由缠绕在转子芯上的磁场绕组形成; 以及由绕定子铁心缠绕的定子绕组构成的定子。定子与转子相对设置，其间具有预定的间隔。此外，旋转电机具有以下特征。通过在圆周方向上设置多个分割片，沿着圆周方向设置多个分割片，并且通过在圆周方向上设置多个分割片，通过冲压分割片而构成，该分割片包括从电磁钢板插入定子绕组和芯部到外周的齿在轴向上层叠多个这些圆形构造。定子铁芯由层叠在轴向端部区域中的多个取向电磁钢板和层叠在轴向中心区域的多个未取向磁性钢板形成，其中非取向磁性钢板高于取向磁性钢板沿直径方向的磁导率。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2008043115A Rotating-electric machine and electric power generating system 有权
标题翻译：旋转电机和电力发电系统
公开(公告)号：JP2008043115A
公开(公告)日：2008-02-21
申请号：JP2006216363
申请日：2006-08-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , KOMURA AKIYOSHI , IDE KAZUMASA , TAKAHASHI KAZUHIKO , IWASHIGE KENGO , HATTORI KENICHI
IPC分类号： H02K9/04 , H02K9/06
摘要： PROBLEM TO BE SOLVED: To provide a rotating-electric machine which can be operated with high efficiency by controlling the quantity of cooling air necessarily and sufficiently while keeping the soundness by settling the maximum temperature of the rotating-electric machine within a limit value.
SOLUTION: This rotating-electric machine has a stator where armature winding is wound on a core, a rotor which is arranged rotatably in the concentric position on the inner diametrical side of the above stator, and a cooling air ventilating means which can adjust the quantity of air. Further, the machine is equipped with a means which measures the ambient temperature; and a means which detects any or plural of armature voltage, an armature current, and a field current. It computes the temperature calculated value within the rotating-electric machine by the measurement of the above ambient temperature, the detected value of the above detection means, and the command of the quantity of cooling air; and decides a new cooling air quantity command by the computation of the temperature within the rotating-electric machine.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过将旋转电机的最高温度稳定在极限内而通过控制冷却空气的量而充分地控制冷却空气的量而保持良好的旋转电机，值。解决方案：该旋转电机具有定子，其中电枢绕组缠绕在芯上，可转动地设置在上述定子的内径侧的同心位置的转子和可以在上述定子的内径侧的冷却空气通风装置调整空气量。此外，机器配备有测量环境温度的装置; 以及检测电枢电压，电枢电流和励磁电流的任意或多个的装置。通过测量上述环境温度，上述检测装置的检测值和冷却空气量的指令，计算旋转电机内的温度计算值; 并且通过计算旋转电机内的温度来决定新的冷却空气量指令。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2009284756A Rotating electric machine 有权
标题翻译：旋转电机
公开(公告)号：JP2009284756A
公开(公告)日：2009-12-03
申请号：JP2009101527
申请日：2009-04-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAHARA AKIHITO , MIKAMI HIROYUKI , IDE KAZUMASA , TAKAHASHI KAZUHIKO , HATTORI KENICHI
IPC分类号： H02K1/02 , H02K1/18 , H02K1/32
CPC分类号： H02K1/20 , H02K1/02 , H02K1/16
摘要： PROBLEM TO BE SOLVED: To provide a rotating electric machine improved in temperature distribution in the vicinity of its stator winding, and then improved in reliability.
SOLUTION: The rotating electric machine includes: a rotor formed by winding a field winding around a rotor core; and a stator formed by facing the rotor with a predetermined gap between the rotor and it, and further winding stator windings around a stator core. The stator core is constituted so as to punch a divided piece, which includes teeth portions for inserting the stator windings thereinto and a core back of its outer periphery, from an electromagnetic steel sheet, and so as to laminate a plurality of divided pieces arranged circularly in the peripheral direction of the stator core in the axial direction of the stator core. Electromagnetic steel sheets whose radial-direction magnetic permeabilities differ from each other in their central portions and axial-direction end portions are laminated in the stator core.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种改进其定子绕组附近的温度分布的旋转电机，然后提高可靠性。解决方案：旋转电机包括：通过围绕转子芯缠绕励磁绕组而形成的转子; 以及在转子与其之间以预定的间隙面向转子形成的定子，并且进一步绕定子芯绕定子绕组。定子铁芯构成为将来自电磁钢板的分割片（包括用于将定子绕组插入其内部的齿部和其外周的芯背）的分割片冲压成圆形排列的多个分割片在定子铁芯的轴向方向上沿定子铁心的圆周方向。在定子铁心中层叠有在其中心部和轴向端部的径向磁导率彼此不同的电磁钢板。版权所有（C）2010，JPO＆INPIT

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