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1. 发明申请

US20230123457A1 ROTARY ELECTRIC MACHINE 有权
公开(公告)号：US20230123457A1
公开(公告)日：2023-04-20
申请号：US17851243
申请日：2022-06-28
申请人： Mitsubishi Electric Corporation
发明人： Yoshihiro MIYAMA , Tomohira TAKAHASHI , Junji KITAO , Shinji NISHIMURA
IPC分类号： H02K1/32 , H02K1/14 , H02K3/28 , H02K7/00 , H02K9/19 , H02K15/03
摘要： The rotary electric machine includes: a rotor core configured having electromagnetic steel sheets; a stator core having electromagnetic steel sheets; a magnet inserted in each of a plurality of through holes; and a magnetic end plate in contact with one or each of an end surface on one side in the axial direction of the rotor core and an end surface on another side in the axial direction of the rotor core, and having a single magnetic sheet or a plurality of magnetic sheets stacked in the axial direction, wherein heat generated from the magnetic end plate owing to eddy current that is generated in the magnetic end plate by magnetic flux from the stator core is equal to or lower than heat generated from the rotor core owing to eddy current that is generated in the rotor core by magnetic flux from the stator core.

2. 发明申请

US20160126797A1 MOTOR 审中-公开
标题翻译：发动机
公开(公告)号：US20160126797A1
公开(公告)日：2016-05-05
申请号：US14898201
申请日：2013-10-08
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Shinji NISHIMURA , Shinsuke KAYANO
IPC分类号： H02K5/02 , H02K11/00 , H02K3/28 , H02K3/12 , H02K1/27 , H02K5/16
CPC分类号： H02K5/02 , B60L11/08 , B60L2220/54 , B60L2270/145 , H02K1/274 , H02K3/12 , H02K3/28 , H02K5/161 , H02K7/006 , H02K11/0094 , H02K2213/03 , H02P25/22 , H02P27/06 , Y02T10/641 , Y02T10/642 , Y02T10/70 , Y02T10/7077
摘要： A motor, which can reduce a shaft current by a cheap configuration and has a high reliability, is provided.A motor which is provided between an internal combustion engine and a transmission and installed in a housing for connecting the internal combustion engine and the transmission, in which a number of magnetic poles of a rotor is “10×n” (n is a natural number), and a number of teeth of a stator is “12×n” (n is a natural number); and a rotary shaft of the rotor, bearings for supporting the rotary shaft, and the housing are composed of electric conductors; and an electric conductor circuit, which includes the rotary shaft, the bearings, and the housing and is interlinked to the stator, is formed.
摘要翻译：提供了一种电动机，其可以通过廉价的构造降低轴电流并且具有高可靠性。一种电动机，其设置在内燃机和变速器之间并且安装在用于连接内燃机和变速器的壳体中，其中转子的多个磁极为“10×n”（n为自然数）），定子的齿数为“12×n”（n为自然数）。和转子的旋转轴，用于支撑旋转轴的轴承和壳体由电导体组成; 并且形成包括旋转轴，轴承和壳体并且与定子相互连接的电导体电路。

3. 发明申请

US20150357870A1 ROTOR AND ROTARY ELECTRIC MACHINE THAT INCLUDES THAT ROTOR 有权
标题翻译：转子和旋转电机，包括转子
公开(公告)号：US20150357870A1
公开(公告)日：2015-12-10
申请号：US14758883
申请日：2014-01-17
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Moriyuki HAZEYAMA , Takuma SASAI , Shinsuke KAYANO , Masaya INOUE , Shinji NISHIMURA , Akihiro DAIKOKU
IPC分类号： H02K1/27
CPC分类号： H02K1/2766
摘要： Permanent magnets that form individual magnetic poles are configured by arranging three magnet blocks to be spaced apart from each other circumferentially, the three magnet blocks are each formed such that cross-sectional shapes that are perpendicular to a central axis of a rotor core are radially outwardly convex, and circumferential widths are narrower in magnet blocks that are further away from a magnetic pole center, and the three magnet blocks that are arranged circumferentially are formed to have mirror symmetry relative to a plane that passes through the magnetic pole center and the central axis of the rotor core.
摘要翻译：形成单个磁极的永久磁铁通过将三个磁体块相互间隔设置而构成，三个磁体块各自形成为使得垂直于转子芯的中心轴线的横截面形状为径向向外在远离磁极中心的磁体块中，凸形和周向宽度较窄，并且沿周向布置的三个磁体块形成为相对于穿过磁极中心和中心轴线的平面具有镜像对称性的转子芯。

4. 发明申请

US20170288480A1 ROTATING ELECTRIC MACHINE 审中-公开
公开(公告)号：US20170288480A1
公开(公告)日：2017-10-05
申请号：US15507992
申请日：2015-01-15
申请人： Mitsubishi Electric Corporation
发明人： Tadashi MURAKAMI , Naomi KIKUCHI , Atsushi SAKAUE , Tatsuro HINO , Akihiro YAMAMURA , Shogo OKAMOTO , Shinji NISHIMURA , Masaya INOUE
IPC分类号： H02K1/18 , H02K1/14
CPC分类号： H02K1/185 , H02K1/148 , H02K1/276 , H02K5/1732
摘要： While lamination of steel sheets to be included in a stator core having a plurality of tooth portions is performed through swaging at yoke portions and through swaging at tooth portions, the stator core is formed in such a way as to include the tooth portion having a portion that is pressed into another steel sheet through swaging and the tooth portion having no portion that is pressed into another steel sheet through swaging.

5. 发明申请

US20160172921A1 STATOR OF ROTARY ELECTRIC MACHINE AND ROTARY ELECTRIC MACHINE 审中-公开
标题翻译：旋转电机和旋转电机定子
公开(公告)号：US20160172921A1
公开(公告)日：2016-06-16
申请号：US14904730
申请日：2013-11-08
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Manabu YOSHINORI , Atsushi SAKAUE , Tatsuro HINO , Hironori TSUIKI , Shinichi OKADA , Hiroki SHIOTA , Masaya INOUE , Shogo OKAMOTO , Shinji NISHIMURA , Akira HASHIMOTO , Shinkichi SAWA , Yutaka IKURA , Ryuichi KITORA
IPC分类号： H02K3/34 , H02K1/16
CPC分类号： H02K3/34 , H02K1/16 , H02K1/165 , H02K3/28 , H02K3/345 , H02K15/12
摘要： A side surface at the outside of a plurality of teeth portions of one separated core is faced to a side surface of teeth portions of an adjacent separated core, so as to form a second slot which is straddled between the adjacent separated cores, and a first slot is formed by a plurality of teeth portions of one separated core, and a width size of the first slot is identical to a width size of the second slot, and coil conductor storage space is formed in the first slot via a first insulating component, and coil conductor storage space is formed in the second slot via a second insulating component, and a thickness size of the first insulating component is different from a thickness size of the second insulating component.
摘要翻译：一个分离的芯的多个齿部分的外侧的侧表面相对于相邻的分离的芯的齿部分的侧表面，以形成跨在相邻的分离的芯之间的第二槽，并且第一槽由一个分离的芯的多个齿部分形成，并且第一槽的宽度尺寸与第二槽的宽度尺寸相同，并且线圈导体存储空间经由第一绝缘构件形成在第一槽中，并且经由第二绝缘部件在第二槽中形成线圈导体存储空间，并且第一绝缘构件的厚度尺寸与第二绝缘构件的厚度尺寸不同。

6. 发明申请

US20160043615A1 MAGNET TEMPERATURE ESTIMATION DEVICE FOR PERMANENT MAGNET MOTOR AND MAGNET TEMPERATURE ESTIMATION METHOD FOR PERMANENT MAGNET MOTOR 有权
标题翻译：用于永磁电机的磁体温度估计装置和永磁电机的磁体温度估计方法
公开(公告)号：US20160043615A1
公开(公告)日：2016-02-11
申请号：US14773951
申请日：2013-04-26
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Shinsuke KAYANO , Masaya INOUE , Shinji NISHIMURA
IPC分类号： H02K11/00 , H02K1/27
CPC分类号： H02K11/0094 , H02K1/27 , H02K11/25 , H02P29/662
摘要： A magnet temperature estimation device includes: a voltage detector (1) for detecting a voltage at a time when a winding is energized; a high-order component detector (2) for detecting a high-order component of the voltage; a reference database (3) for storing in advance, as a table, a correspondence relationship between the high-order component and two or more parameters, which include a magnet temperature and another one or more parameters, as parameters affecting the voltage from which the high-order component is detected; a parameter value detector (4) for detecting a value of the another one or more parameters; and a magnet temperature estimator (5) for estimating a magnet temperature corresponding to the high-order component detected by the high-order component detector based on the another one or more parameters detected by the parameter value detector and the table stored in the reference database.
摘要翻译：磁体温度估计装置包括：电压检测器（1），用于检测绕组通电时的电压; 用于检测电压的高阶分量的高阶分量检测器（2）; 参考数据库（3），用于预先存储包括磁体温度和另一个或多个参数的两个或多个参数之间的高阶分量与两个或多个参数之间的对应关系作为表格，作为影响电压的参数检测到高阶分量; 参数值检测器（4），用于检测另一个或多个参数的值; 以及磁体温度估计器（5），用于基于由参数值检测器检测到的另一个或多个参数和存储在参考数据库中的表来估计与高阶分量检测器检测到的高阶分量相对应的磁体温度。

7. 发明申请

US20150162790A1 ROTATING ELECTRIC MACHINE 有权
标题翻译：旋转电机
公开(公告)号：US20150162790A1
公开(公告)日：2015-06-11
申请号：US14258169
申请日：2014-04-22
申请人： Mitsubishi Electric Corporation
发明人： Hitoshi ISODA , Masaya INOUE , Shinji NISHIMURA , Moriyuki HAZEYAMA , Tomoya TACHIBANA
IPC分类号： H02K1/27 , H02K3/18
CPC分类号： H02K1/2766 , H02K2201/06 , H02K2213/03
摘要： A rotating electric machine includes a rotor including: a rotor core divided into blocks in an axial direction, the blocks being arranged to have a phase angle therebetween in a circumferential direction, the rotor core having magnet through holes arrayed in the circumferential direction and formed in an outer circumferential region; and permanent magnets inserted into the magnet through holes. The magnet through hole includes: a magnet insertion portion into which the permanent magnet is inserted; and a non-magnetic portion provided on an outer side of the magnet insertion portion in the circumferential direction. A bridge portion is formed between the outer circumferential surface and an outer circumferential inner wall of the non-magnetic portion. A bridge angle, which is an angle between both circumferential ends of the bridge portion with a rotation center of the rotor core set as a vertex, is larger than a skew angle.
摘要翻译：旋转电机包括转子，该转子包括：沿轴向分为块体的转子铁芯，所述块体在圆周方向上具有相位角，所述转子铁芯具有沿圆周方向排列的磁体通孔，并形成在外周区域; 永久磁铁插入到磁铁通孔中。磁体通孔包括：永磁体插入其中的磁体插入部分; 以及设置在磁体插入部的周向的外侧的非磁性部。在非磁性部的外周面与外周内壁之间形成有桥部。作为设置为顶点的转子铁芯的旋转中心的桥接部的两个周向端部之间的角度的桥角大于倾斜角度。

8. 发明申请

US20160380492A1 ROTARY ELECTRIC MACHINE 审中-公开
标题翻译：旋转电机
公开(公告)号：US20160380492A1
公开(公告)日：2016-12-29
申请号：US15038851
申请日：2014-12-15
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Sachiko KAWASAKI , Kimiyasu FURUSAWA , Atsushi SAKAUE , Akira HASHIMOTO , Hiroyuki AKITA , Moriyuki HAZEYAMA , Masaya INOUE , Shinji NISHIMURA
IPC分类号： H02K1/27 , H02K1/14 , H02K21/16
CPC分类号： H02K1/2766 , H02K1/146 , H02K21/16 , H02K2213/03
摘要： A contour line on the outer circumferential side of each magnet hole in the first layer is formed to be an arc passing through a total of three intersections, i.e., an intersection of a d axis and a reference magnetic flux line which is a magnetic flux line as a reference positioned inward by a predetermined number of magnetic flux lines from the outer circumferential edge of a rotor core, and intersections of: the reference magnetic flux line; and sides at the circumferential ends of the magnet hole which are positioned inward by a bridge dimension from the outer circumferential edge of the rotor core. Thus, a rotary electric machine that enables maximum utilization of reluctance torque and magnet torque and suppression of torque ripple can be obtained with simple processing and low cost.
摘要翻译：第一层中每个磁体孔的外周侧上的轮廓线形成为通过总共三个交点的弧，即作为磁通线的参考磁通线的交点作为从转子铁芯的外周边缘向内设置预定数量的磁通线的参考线，以及参考磁通线的交点; 并且位于从转子芯的外周边缘向内设置有桥接尺寸的磁体孔的周向端部侧。因此，可以通过简单的处理和低成本获得能够最大限度地利用磁阻转矩和磁铁转矩并抑制转矩脉动的旋转电机。

9. 发明申请

US20200370926A1 ROTATION ANGLE DETECTION DEVICE 审中-公开
公开(公告)号：US20200370926A1
公开(公告)日：2020-11-26
申请号：US16959306
申请日：2018-01-11
申请人： Mitsubishi Electric Corporation
发明人： Yoshimasa NISHIJIMA , Masahiro IEZAWA , Shinji NISHIMURA , Ryosuke SHIGEMATSU
IPC分类号： G01D5/244 , G01B7/30
摘要： A rotation angle detection device for accurately detecting a rotation angle is obtained even when electromagnetic noise due to an electrical component(s) and the like of an electric automotive vehicle is superimposed on detection signals of the rotation angle detection device. The device includes a multi-phase/two-phase transformation unit for converting a plurality of detection signals, each being outputted from rotation detectors in accordance with a rotation angle of a rotating body so as to output transformed signals as two-phase signals; an addition-subtraction calculation unit for generating addition-subtraction signals by mutually performing addition to the two-phase signals and subtraction therefrom; an amplitude correction unit for modifying amplitudes of the addition-subtraction signals in accordance with an amplitude correction value, and for outputting post-correction addition-subtraction signals; and an angle calculation unit for calculating an angle based on the post-correction addition-subtraction signals, and for outputting an angular signal.

10. 发明申请

US20190036387A1 ROTARY ELECTRIC MACHINE 审中-公开
公开(公告)号：US20190036387A1
公开(公告)日：2019-01-31
申请号：US16072005
申请日：2016-11-29
申请人： Mitsubishi Electric Corporation
发明人： Moriyuki HAZEYAMA , Junji KITAO , Yoshihiro MIYAMA , Shogo OKAMOTO , Shinji NISHIMURA , Ryuichi KITORA , Ryuji KITAMURA , Hitoshi ISODA
IPC分类号： H02K1/14 , H02K21/16 , H02K1/27
摘要： In a rotary electric machine, slots are formed between teeth of a stator core. A ratio of a number of poles to a number of slots is 2:3. When an electrical angle of a tooth tip width, which is a width dimension of a tip of each of the teeth in a circumferential direction of the stator, is represented by α, an electrical angle of a pole arc angle, which is an angle formed by two straight lines that connect a rotation center of a rotor to corners on a rotor surface side of one permanent magnet, is represented by β, and a number of pole pairs is represented by P, the tooth tip width is within a range of (electrical angle)±0.2°×P for a value that satisfies the following expression: β=−2.5α+319.7 (0

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