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1. 发明专利

JP2011066948A Motor 审中-公开
标题翻译：发动机
公开(公告)号：JP2011066948A
公开(公告)日：2011-03-31
申请号：JP2009212630
申请日：2009-09-15
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KARASHI SHIGEKI , ITO HIROSHI
IPC分类号： H02K5/20 , H02K9/02
摘要： PROBLEM TO BE SOLVED: To provide a motor for vehicle having improve cooling performance for achieving large-capacity and downsizing. SOLUTION: The motor includes: a stator fixed on a motor frame, a plurality of axial direction back ventilation paths provided on the outer circumference of the stator, a rotor shaft supported rotatably on the motor frame via a bearing, and a rotor which is disposed on the inner circumference of the stator via a gap between the rotor and the stator, has a plurality of axial shaft rotor ventilation paths in the inside and is fixed on the rotor shaft. The motor allows a coolant to circulate through the axial direction back ventilation paths, the gap and the rotor ventilation paths. The motor has a radial direction ventilation path communicating with the axial direction rotor ventilation paths, which is provided on the end of the rotor on the downstream. A part of the coolant passing through the inside of the rotor is sprayed toward the stator end on the downstream. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改善冷却性能的用于实现大容量和小型化的车辆用电动机。电动机包括：固定在电动机框架上的定子，设置在定子的外周上的多个轴向后通风路径，经由轴承可旋转地支撑在电动机框架上的转子轴和转子其通过转子和定子之间的间隙设置在定子的内周上，在内部具有多个轴向转子通风路径，并且固定在转子轴上。电机允许冷却剂通过轴向循环通过背部通风路径，间隙和转子通风路径。马达具有与轴向转子通气路径连通的径向通气路径，其设置在下游的转子的端部。通过转子内部的冷却剂的一部分向下游的定子端喷射。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2007309700A Evaluation device for gap tolerance 审中-公开
标题翻译：评估设备的差距
公开(公告)号：JP2007309700A
公开(公告)日：2007-11-29
申请号：JP2006136937
申请日：2006-05-16
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUI YUJI , KARASHI SHIGEKI , YAMADA KIMIO , AOKI MANABU
IPC分类号： G01B7/14
摘要： PROBLEM TO BE SOLVED: To provide an evaluation device for a gap tolerance capable of evaluating accurately the gap tolerance by relatively simple device constitution, and usable even under vacuum, in a refrigerant, and under a high-magnetic field atmosphere.
SOLUTION: This evaluation device for the gap tolerance is installed, between two structural materials 1, 2, with a gap tolerance evaluation sensor comprising a cantilever-like metal contact 4 with a shape varied in response to a gap distance, and a resistance membrane 6 capable of measuring a resistance change in response to a conduction distance. An electric resistance between the metal contact 4 and the resistance membrane 6 is measured by an electric resistance measuring part 9 to evaluate the gap tolerance until the structural materials 1, 2 contact, based on an obtained electric resistance value. The evaluation device may be combined with a capacitance type displacement sensor to evaluate the gap tolerance including an inclination between the structural materials 1, 2.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种间隙公差的评估装置，其能够通过相对简单的装置构造精确地评估间隙公差，并且即使在真空下，制冷剂中也可以在高磁场气氛下使用。解决方案：用于间隙公差的该评估装置在两个结构材料1,2之间安装有间隙公差评估传感器，该间隙公差评估传感器包括具有响应于间隙距离而变化的形状的悬臂状金属接触件4，以及电阻膜6能够测量响应于传导距离的电阻变化。通过电阻测量部件9测量金属触点4和电阻膜6之间的电阻，以基于获得的电阻值来评估结构材料1,2接触之前的间隙公差。评估装置可以与电容型位移传感器组合以评估间隙公差，包括结构材料1,2之间的倾斜度。（C）2008，JPO和INPIT

3. 发明专利

JP2013034332A Rotary electric machine 审中-公开
标题翻译：旋转电机
公开(公告)号：JP2013034332A
公开(公告)日：2013-02-14
申请号：JP2011169734
申请日：2011-08-03
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IWANO RYUICHIRO , KARASHI SHIGEKI
IPC分类号： H02K9/08 , H02K5/20 , H02K9/06
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine which enhances cooling of a stator coil end without requiring an unnecessary margin of a cooling air quantity.SOLUTION: Providing means for guiding cooling air from a cooler 10 from the axial inner side of a stator coil end 8 to the outer side allows the stator coil end 8 to be cooled with all the air quantity of the cooling air passing the cooler 10. Thus, the cooling of the entire stator coil end 8 is enhanced. Further, since it is not necessary to adjust the air quantity distribution of the cooling air which is distributed to the stator coil end 8, the design of the ventilation structure becomes easy.
摘要翻译：解决的问题：提供一种能够增加定子线圈端部的冷却的旋转电机，而不需要冷却空气量的不必要的余量。解决方案：将来自冷却器10的冷却空气从定子线圈端部8的轴向内侧引导到外侧的提供装置允许定子线圈端部8被冷却，冷却空气的所有空气量通过因此，整个定子线圈端部8的冷却被增强。此外，由于不需要调整分配到定子线圈端部8的冷却空气的空气量分布，所以通风结构的设计变得容易。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2010200578A Rotary electric machine 审中-公开
标题翻译：旋转电机
公开(公告)号：JP2010200578A
公开(公告)日：2010-09-09
申请号：JP2009045726
申请日：2009-02-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KARASHI SHIGEKI , IWASHIGE KENGO , IWANO RYUICHIRO , TSUZAWA KENICHI , SATAKE YASUNORI
IPC分类号： H02K9/08 , H02K3/487 , H02K9/06
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine cooled by a gap-pickup cooling system capable of ensuring cooling performance of a rotor cooled by the gap-pickup cooling system, achieving a simplified structure, improving productivity, and producing it at low cost.
SOLUTION: A ventilating passage 8 is formed for ventilating a cooling medium 6 into a conductor 7 serving as the field coil of the rotor 3. In a wedge 19 mounted in the outer periphery of the rotor to fix the field coil, an air-intake hole 10 is formed to guide the cooling medium 6 in an air gap between the rotor and a stator into the ventilating passage 8. On the outer surface of the wedge 19, an intake-air guiding passage 26 is formed to guide the cooling medium into the air-intake hole 10. The intake-air guiding passage 26 is arranged circumferentially at the upstream of the air-intake hole 10 in the rotor from the stream of the cooling medium in the air gap. The intake-air guiding passage 26 is directed from the upstream side of the wedge towards its downstream to communicate with the air-intake hole 10 at the downstream side, and changes to widen its passage width in the axial direction of the rotor from the downstream side towards the upstream side.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种由能够确保由间隙采集冷却系统冷却的转子的冷却性能的间隙采集冷却系统冷却的旋转电机，实现简化的结构，提高生产率并生产以低成本。解决方案：形成通风通道8，用于将冷却介质6通向作为转子3的励磁线圈的导体7.在安装在转子的外周中的楔19中固定励磁线圈，空气吸入孔10被形成为将冷却介质6在转子和定子之间的空气间隙引导到通风通道8中。在楔形件19的外表面上形成有引导空气引导通道26 冷却介质进入进气孔10.进气导入通道26沿着空气间隙中的冷却介质流沿圆周布置在转子的进气孔10的上游。进气引导通道26从楔形物的上游侧朝向其下游引导，与下游侧的进气孔10连通，并且使转子的轴向上的通道宽度从下游侧向上游侧。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010200536A Rotating electrical machine 审中-公开
标题翻译：旋转电机
公开(公告)号：JP2010200536A
公开(公告)日：2010-09-09
申请号：JP2009044155
申请日：2009-02-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IWANO RYUICHIRO , KARASHI SHIGEKI , TSUZAWA KENICHI , IWASHIGE KENGO
IPC分类号： H02K1/20
摘要： PROBLEM TO BE SOLVED: To provide a rotating electrical machine which makes the flow rate of a cooling medium for a rotor increase, by a simple structure to improve cooling performance.
SOLUTION: Eddy generators 22 (22a, 22b) are disposed on the outer periphery on the rotor 3 or on the inner periphery of a stator 2. The direction of the center of whirling of vortices generated by the eddy generators lies along the periphery of the rotor. Eddies 23a and 23b are juxtaposed in the axial direction of the rotor to form a pair, in such a way that the directions of whirling of the vortices 23a and 23b are reverse to each other, to create a flow 24 heading from the outer peripheral side toward the inner peripheral side of the air gap between the stator and the rotor, in between the pair of vortices 23a and 23b.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种使转子冷却介质的流量增加的旋转电机，通过简单的结构提高冷却性能。涡流发生器22（22a，22b）设置在转子3的外周上或定子2的内周上。由涡流发生器产生的涡流的旋转中心的方向沿着转子周边。涡轮23a和23b在转子的轴向上并列形成一对，涡旋23a和23b的旋转方向彼此相反，以产生从外周侧向前的流动24 朝向定子和转子之间的空气间隙的内周侧，位于一对旋涡23a和23b之间。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009124806A Rotating electrical machine 审中-公开
标题翻译：旋转电机
公开(公告)号：JP2009124806A
公开(公告)日：2009-06-04
申请号：JP2007293772
申请日：2007-11-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KARASHI SHIGEKI , IWANO RYUICHIRO , IWAI YASUSHI
IPC分类号： H02K1/32 , H02K9/08
摘要： PROBLEM TO BE SOLVED: To make it possible to efficiently cool field coils in a rotating electrical machine of radial flow cooling type.
SOLUTION: In the rotating electrical machine, the field coils 8 are housed in coil slots 33 formed in its rotor 31 and the field coils have a radial flow path 9. A cooling medium 6 flowing in a sub-slot 7 along the bottom of each coil slot flows in the radial flow path and the field coils are thereby cooled. This rotating electrical machine has a lateral portion radial flow path 32 that makes it possible to let the cooling medium flow so that it simultaneously exchanges heat with the inside surface of each coil slot and the outside surface of each field coil.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：使得可以有效地冷却径流式冷却型旋转电机中的励磁线圈。解决方案：在旋转电机中，励磁线圈8容纳在形成在其转子31中的线圈槽33中，并且励磁线圈具有径向流动路径9.沿着副槽7流动的冷却介质6 每个线圈槽的底部在径向流动路径中流动，从而冷却励磁线圈。该旋转电机具有侧部径向流路32，其能够使冷却介质流动，从而与每个线圈槽的内表面和每个励磁线圈的外表面同时进行热交换。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2014036517A Axial gap type rotary electric machine 有权
标题翻译：轴流式旋转电机
公开(公告)号：JP2014036517A
公开(公告)日：2014-02-24
申请号：JP2012176862
申请日：2012-08-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TOKOI HIROYOSHI , ENOMOTO YUJI , KARASHI SHIGEKI
IPC分类号： H02K9/06 , H02K9/22
CPC分类号： H02K9/08 , H02K9/06 , H02K21/24
摘要： PROBLEM TO BE SOLVED: To provide an axial gap type rotary electric machine with simple constitution capable of cooling a stator by an efficient flow of inner air present in space hermetically sealed with a housing and an end bracket.SOLUTION: The axial gap type rotary electric machine includes a passageway formed to allow communication of a first opening formed on one side face of a rotor and a second opening formed on the other side face of the rotor, while setting a different distance for a first distance from the center of the first opening to a rotary shaft and a second distance from the center of the second opening to the rotary shaft. According to the difference of the distance set on the rotor to the first opening and to the second opening, a differential pressure is generated therebetween and this differential pressure leads the stator proximate to the rotor to be cooled by an air flow generated from one face or the other face of the rotor to the other face or to the one face of the rotor.
摘要翻译：要解决的问题：提供一种具有简单结构的轴向间隙型旋转电机，其能够通过存在于由壳体和端部支架密封的空间中的有效的内部空气流来冷却定子。解决方案：轴向间隙型旋转电机器包括形成为允许形成在转子的一个侧面上的第一开口和形成在转子的另一侧面上的第二开口相通的通道，同时设置与第一开口的中心不同的距离到旋转轴并且从第二开口的中心到旋转轴的第二距离。根据设定在转子上的距离与第一开口和第二开口的差异，在它们之间产生压差，并且该压差将定子靠近转子引导以由一个面产生的空气流冷却，或转子的另一面到另一面或转子的一个面。

8. 发明专利

JP2010168903A Centrifugal hydraulic machine 有权
标题翻译：离心式液压机
公开(公告)号：JP2010168903A
公开(公告)日：2010-08-05
申请号：JP2009009533
申请日：2009-01-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NOMOTO SATORU , IWASHIGE KENGO , KARASHI SHIGEKI , IWANO RYUICHIRO , ITO HIROSHI , SHINTANI KENJI
IPC分类号： F03B3/12 , F03B3/02
CPC分类号： Y02E10/223
摘要： PROBLEM TO BE SOLVED: To provide a centrifugal hydraulic machine suppressing the occurrence of cavitation in the inlet of a runner while a water turbine is operated even if the flow quantity of the water passing through the runner is changed.
SOLUTION: This centrifugal hydraulic machine is provided with: a runner 1 which has a plurality of runner blades 2 affixed between a crown 4 and a shroud 5 and is rotated about a rotating axis S; and a plurality of guide vanes 34 annularly disposed on the outer peripheral side of the runner 1. The maximal point 70 which is positioned on the reverse rotating direction side of the runner 1 while the water turbine is operated, away from a crown side end 71 and a shroud side end 72 at the leading edge 3 of each of runner blades 2, is provided in a portion on the leading edge 3 of each of the runner blades 2 between the crown 4 and the shroud 5.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种离心式液压机，即使水通过流道的流量发生变化，也能够在水轮机运转的同时抑制流道入口的空化现象。解决方案：该离心液压机设置有：流道1，其具有固定在冠部4和护罩5之间并围绕旋转轴线S旋转的多个流道叶片2; 以及环形地设置在流道1的外周侧的多个导向叶片34.在水轮机动作的同时位于流道1的反转方向侧的最大点70远离冠侧端部71 并且在每个流道叶片2的前缘3处的护罩侧端72设置在冠部4和护罩5之间的每个流道叶片2的前缘3的部分中。
版权所有（ C）2010，JPO＆INPIT

9. 发明专利

JP2009172129A Superconducting magnet apparatus and magnetic resonance imaging apparatus 有权
标题翻译：超级磁铁装置和磁共振成像装置
公开(公告)号：JP2009172129A
公开(公告)日：2009-08-06
申请号：JP2008013577
申请日：2008-01-24
申请人： Hitachi Ltd , Hitachi Medical Corp , 株式会社日立メディコ , 株式会社日立製作所
发明人： CHIBA TOMOO , WATANABE HIROYUKI , TAKESHIMA HIROTAKA , KARASHI SHIGEKI , ABE MITSUJI , TAKEUCHI HIROYUKI
IPC分类号： A61B5/055 , G01R33/3815 , G01R33/3873 , H01F6/00
CPC分类号： H01F6/04 , G01R33/3804 , G01R33/3806 , G01R33/3815
摘要： PROBLEM TO BE SOLVED: To provide a superconducting magnet apparatus which suppresses a change of temperature of magnetic members low with respect to a change of room temperature over long term, is small in change of magnetic field homogeneity, and can change a temperature of the magnetic members in a short time as well. SOLUTION: The superconducting magnet apparatus 2 includes: superconducting coils 11a and 11b having annular shapes for generating magnetic fields; a coil vessel 9 for housing the superconducting coils 11a and 11b along with a refrigerant 14; a vacuum vessel 3 for encircling the coil vessel 9 and holding its inside vacuum; magnetic members 12a, 12b, 13a, and 13b which are installed inside the vacuum vessel 3, supported with thermal insulation from the coil vessel 9, and compensate the magnetic fields. The superconducting magnet apparatus 2 includes: a first heat supply and absorption part 44 which is provided outside the vacuum vessel 3, is thermally connected to the vacuum vessel 3, and supplies or absorbs heat; and first thermal conducting members 25 and 27 which are installed inside the vacuum vessel 3, and thermally connected to the vacuum vessel 3 and the magnetic members 12a, 12b, 13a, and 13b. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种长期地抑制磁性部件的温度变化低的超导磁体装置，磁场均匀性的变化小，能够改变温度的磁性成员也在短时间内。超导磁体装置2包括：具有用于产生磁场的环形形状的超导线圈11a和11b; 用于将超导线圈11a和11b与制冷剂14一起容纳的线圈容器9; 用于环绕线圈容器9并保持其内部真空的真空容器3; 磁性构件12a，12b，13a，13b，其安装在真空容器3的内部，由线圈容器9进行热绝缘支撑，并补偿磁场。超导磁体装置2包括：设置在真空容器3外部的第一供热部44与真空容器3热连接，供给或吸收热量; 和第一导热构件25和27，其安装在真空容器3的内部，并且与真空容器3和磁性构件12a，12b，13a和13b热连接。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009124771A Rotary electric machine 审中-公开
标题翻译：旋转电机
公开(公告)号：JP2009124771A
公开(公告)日：2009-06-04
申请号：JP2007292549
申请日：2007-11-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IWANO RYUICHIRO , KARASHI SHIGEKI
IPC分类号： H02K9/06
摘要： PROBLEM TO BE SOLVED: To provide a rotary electric machine having a ventilation type cooling structure that prevents deterioration in cooling efficiency caused by cooling unevenness and spiral vortex in the cooling of a stator coil end.
SOLUTION: The rotary electric machine has a structure in which a rotor 2 and a stator 3 are each cooled by a diameter direction flow of a cooling gas, and a stator coil end 13 is cooled by a coil end cooling flow 26e of the cooling gas to be derived from the diameter direction flow and to flow into a coil end cooling ventilating portion 18. In the rotary electric machine, a flow restricting member 42 as a turned flow generating portion is provided on the coil end cooling ventilating portion. The flow restricting member generates a turned flow 44 as a flow from the spiral vortex 32 to the stator coil end and generated in a cooling gas in the coil end cooling ventilating portion, by using a centrifugal action caused by the rotation of the rotor, and allows the generated turned flow to act to cool the stator coil end.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有通风型冷却结构的旋转电机，其防止在定子线圈端的冷却中由冷却不均匀性和螺旋涡流引起的冷却效率的劣化。解决方案：旋转电机具有转子2和定子3各自被冷却气体的直径方向流动地冷却的结构，定子线圈端部13被线圈端冷却流26e冷却从直径方向导出的冷却气体流动并流入线圈端部冷却通风部18.在旋转电机中，在线圈端部冷却通风部上设置有作为流动发生部的流量限制部件42。流动限制构件通过使用由转子的旋转引起的离心作用，产生作为从螺旋涡流32流向定子线圈端部并在线圈端冷却通风部中的冷却气体中产生的转向流路44，以及允许所产生的转向流动用于冷却定子线圈端。版权所有（C）2009，JPO＆INPIT

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