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公开(公告)号：JP2011038601A
公开(公告)日：2011-02-24
申请号：JP2009187006
申请日：2009-08-12
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： TSUBOUCHI HARUYOSHI , WADA HISASHI , NODA JUNICHI
Abstract: PROBLEM TO BE SOLVED: To provide an oil pressure supply device capable of preventing reduction of an oil pressure with a simple structure without using a relief valve.
SOLUTION: In this oil pressure supply device, a main hydraulic pump using an engine as the driving source and an auxiliary hydraulic pump using a motor as the driving source are arranged in parallel, and working fluid is supplied to a hydraulic operation mechanism from the main hydraulic pump during driving of a vehicle, and from the auxiliary hydraulic pump in an idle stop state. In switching from the main hydraulic pump to the auxiliary hydraulic pump, the current to be applied to the motor for driving the auxiliary hydraulic pump is restricted with respect to the current in normal operation.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 解决的问题：提供一种能够在不使用安全阀的情况下以简单的结构防止油压降低的油压供给装置。 解决方案：在该油压供给装置中，使用发动机作为驱动源的主液压泵和以电动机为驱动源的辅助液压泵并联配置，将工作流体供给到液压操作机构 来自车辆驱动期间的主液压泵以及处于怠速停止状态的辅助液压泵。 在从主液压泵切换到辅助液压泵时，在正常运行中，对于驱动辅助液压泵的马达的电流进行限制。 版权所有（C）2011，JPO＆INPIT
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公开(公告)号：JP2007221978A
公开(公告)日：2007-08-30
申请号：JP2006042942
申请日：2006-02-20
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： WADA HISASHI , SHIBUKAWA SUETARO , YAMASHITA DAISUKE , YAMASHITA HIROSHI
CPC classification number: F16C25/083 , F16C19/06 , F16C2380/26
Abstract: PROBLEM TO BE SOLVED: To provide a brushless motor which can effectively restrict motion in the thrust direction of a bearing fixed to each end of a rotating shaft by a simple constitution. SOLUTION: This brushless motor has a stator 1 and a rotor 5 fixed to a rotating shaft 10 in a housing 11 where a flange 12 is fixed to its open end, and the stator 1 is provided with a plurality of salient magnetic poles 2a which are arrayed at equal intervals on the internal perimetric side of a core 2 of an armature, and also equipped with an armature coil 3 wound on each salient magnetic pole 2a, and the rotor 5 is equipped with a flanged permanent magnet field yoke 36 and a permanent magnet 37 for a cylindrical field. Bearings 16 and 17 which are fixed severally to each end of the rotating shaft 10 are retained by the bearing boxes 11a and 12a of the housing 11 and the flange 12. A coil spring 42 which presses each bearing 16 and 17 to the side of the bearing boxes 11a and 12a is arranged on the rotating shaft 10. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供一种无刷电动机，其可以通过简单的结构有效地限制固定到旋转轴的每个端部的轴承的推力方向上的运动。 解决方案：该无刷电动机具有固定在旋转轴10上的定子1和转子5，壳体11中的凸缘12固定在其开口端，并且定子1设置有多个凸极磁极 2a，其在电枢的铁芯2的内周侧以相等的间隔排列，并且还配备有卷绕在每个突出磁极2a上的电枢线圈3，并且转子5装备有法兰永磁场磁轭36 和用于圆柱形场的永磁体37。 轴承16和17分别固定在旋转轴10的每一端，由壳体11和凸缘12的轴承箱11a和12a保持。螺旋弹簧42将每个轴承16和17压向 轴承箱11a和12a布置在旋转轴10上。版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2012060831A
公开(公告)日：2012-03-22
申请号：JP2010203397
申请日：2010-09-10
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： KONO YOHEI , WADA HISASHI
Abstract: PROBLEM TO BE SOLVED: To provide a brushless motor that is easy to produce, compact and inexpensive owing to easy injection pressure management of resin.SOLUTION: A cover 2 is attached to a flange portion 1a at one end face of a cylindrical housing 1. A stator 4 is attached radially inward of the housing. A rotor 6 is rotatably retained on an inner circumferential side of the stator. A terminal block 5 is electrically connected to an armature winding 4a of the stator 4 and provided for power supply from without. As to the forming of the terminal block 5, a plurality of bus bars 14U, 14V, 14E, 14N1, 14N2 are stacked up at right angles to a rotary shaft of the motor, and resin insulators 15a, 15b, 15c are arranged between the bus bar layers before being subjected, together with the bus bars, to resin mold forming.
Abstract translation: 要解决的问题：提供一种易于生产的紧凑且廉价的无刷电动机，这是因为容易的树脂注入压力管理。 解决方案：盖2在圆柱形壳体1的一个端面附接到凸缘部分1a上。定子4径向向外安装在壳体上。 转子6可旋转地保持在定子的内周侧。 端子块5电连接到定子4的电枢绕组4a，并且被提供用于从无电源供电。 关于端子台5的形成，多个汇流条14U，14V，14E，14N1,14N2与马达的旋转轴成直角地堆叠，树脂绝缘体15a，15b，15c布置在 母线层与母线一起经受树脂模制成型。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2010007516A
公开(公告)日：2010-01-14
申请号：JP2008165931
申请日：2008-06-25
Applicant: 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
Inventor： TSUBOUCHI HARUYOSHI , WADA HISASHI , KOBAYASHI YOSHIYUKI
Abstract: PROBLEM TO BE SOLVED: To provide an electric oil pump improved in pump efficiency.
SOLUTION: The center of a shaft 3 is rotatably supported to a case 1 by bearings 5a, 5b. A motor rotor 6 of an electric motor is fixed to one end of the shaft. A motor core 8 is fixed to the inside of the case 1. An inner rotor 2b of the pump is engaged with the other end of the shaft 3 by a spline shaft so that a driving force of the electric motor is transmitted and a thrust force of the shaft is not transmitted. The outer rotor 2a of the pump is driven by the inner rotor and also rotatably constrained in of the case. A projecting portion 2c is formed integrally with the inner rotor and engaged with the inner periphery of the case by a sliding bearing structure.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供提高泵效率的电动油泵。 解决方案：轴3的中心通过轴承5a，5b可旋转地支撑在壳体1上。 电动机的电机转子6固定在轴的一端。 电动机芯8固定在壳体1的内部。泵的内转子2b通过花键轴与轴3的另一端接合，使得电动机的驱动力传递，推力 的轴不传输。 泵的外转子2a由内转子驱动并且也可旋转地限制在壳体内。 突出部2c与内转子一体地形成，并且通过滑动轴承结构与壳体的内周接合。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2012080602A
公开(公告)日：2012-04-19
申请号：JP2010220582
申请日：2010-09-30
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： WADA HISASHI , NEMOTO SHINJI , HIRAYAMA TAKESHI
Abstract: PROBLEM TO BE SOLVED: To provide a brushless motor that has an assembly member of a stator and a terminal block which is reliable and suitable for an electromechanical integral structure, and a method of manufacture thereof.SOLUTION: A terminal block 4 holds a plurality of bus bars with a plurality of terminals in an insulated manner. The terminals of the terminal block 4 are electrically connected to coil ends of armature windings 2f. A stator 2 has projection 2i formed integrally with insulating bobbins, and the terminal block 4 has holes 4b formed to a side of an armature core. The terminal block 4 is fixed by fitting of the projections 2i formed integrally with the insulating bobbins on the side of the armature core in the holes 4b formed in the terminal block followed by heat deformation of tips of the projections 2i.
Abstract translation: 要解决的问题：提供一种具有可靠且适用于机电一体化结构的定子和端子块的组装构件的无刷电动机及其制造方法。 解决方案：端子块4以绝缘方式保持具有多个端子的多个汇流条。 端子块4的端子电连接到电枢绕组2f的线圈端。 定子2具有与绝缘筒管一体形成的突起部2i，端子块4具有形成在电枢铁芯一侧的孔4b。 端子块4通过在形成在端子块中的孔4b中的电枢铁芯的一侧上与绝缘筒管一体形成的突起2i嵌合，然后使突起2i的尖端发生热变形来固定。 版权所有（C）2012，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2012039793A
公开(公告)日：2012-02-23
申请号：JP2010178848
申请日：2010-08-09
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： WADA HISASHI
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive brushless motor which enables easy dimensional control of an inner diameter of a housing and an external diameter of a stator core, reduces the number of components, and requires fewer assembly process.SOLUTION: A stator 2 is held on an inner diameter side of a housing 1. A rotor 4 is arranged on an inner diameter side of the stator 2 so as to form a gap with the stator. A terminal board 3 is made of a resin mold, and the stator 2 is integrated into the terminal board 3 by the resin mold. An inner diameter of the housing 1 is larger than an outer diameter of an armature core 2c. The stator 2 is held on the housing 1 by fixing the terminal board 3 to the housing 1.
Abstract translation: 要解决的问题：为了提供一种廉价的无刷电动机，其能够容易地尺寸控制壳体的内径和定子芯的外径，减少了部件的数量，并且需要较少的组装工艺。 解决方案：定子2被保持在壳体1的内径侧。转子4设置在定子2的内径侧上，以与定子形成间隙。 端子板3由树脂模具制成，并且定子2通过树脂模具与端子板3一体化。 壳体1的内径大于电枢铁心2c的外径。 定子2通过将端子板3固定到壳体1上而保持在壳体1上。版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2012029476A
公开(公告)日：2012-02-09
申请号：JP2010166212
申请日：2010-07-23
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： WADA HISASHI , KONO YOHEI
IPC: H02K5/22
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive and highly reliable brushless motor by forming a structure which easily secures the depth dimension of the cover side plain surface and flatness and maintains mechanical holding force of a terminal board in the long term.SOLUTION: A stator 4 is held on an inner diameter side of a metal cylinder housing 1. A rotator 5 is supported so as to rotate relative to the metal cylinder housing. A resin terminal board 12 in which multiple terminals are placed is attached to a flange part of the metal housing with the cover 2. An outer periphery of the terminal board is arranged between an outer periphery of the cover and the flange of the housing. The terminal board is mechanically fixed to the housing with an O ring 11 arranged on a mating surface of the cover and the terminal board.
Abstract translation: 要解决的问题：为了通过形成能够长期地容易地确保盖侧平面的深度尺寸和平坦度并且保持端子板的机械保持力的结构来提供便宜且高可靠性的无刷电动机。 解决方案：定子4被保持在金属圆筒壳体1的内径侧。旋转体5被支撑成相对于金属圆筒壳体旋转。 其中多个端子被放置的树脂端子板12通过盖子2安装到金属壳体的凸缘部分。端子板的外周设置在盖的外周和壳体的凸缘之间。 端子板机械地固定在壳体上，其中O形环11布置在盖子和端子板的配合表面上。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2014158421A
公开(公告)日：2014-08-28
申请号：JP2014116282
申请日：2014-06-04
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： KONO YOHEI , WADA HISASHI
Abstract: PROBLEM TO BE SOLVED: To provide a brushless motor that is easy to produce, compact and inexpensive owing to easy injection pressure management of resin.SOLUTION: A cover 2 is attached to a flange portion 1a at one end face of a cylindrical housing 1. A stator 4 is attached radially inward of the housing. A rotor 6 is rotatably retained on an inner circumferential side of the stator. A terminal block 5 is electrically connected to an armature winding 4a of the stator 4 and provided for power supply from without. As to the forming of the terminal block 5, a plurality of bus bars 14U, 14V, 14E, 14N1, 14N2 are stacked up at right angles to a rotary shaft of the motor, and resin insulators 15a, 15b, 15c are arranged between the bus bar layers before being subjected, together with the bus bars, to resin mold forming.
Abstract translation: 要解决的问题：提供一种易于生产的无刷电动机，由于容易进行树脂的注入压力管理，所以紧凑且便宜。解决方案：在圆柱形壳体1的一个端面处将凸缘部分1a附接到盖子2上。 定子4径向向外安装在壳体上。 转子6可旋转地保持在定子的内周侧。 端子块5电连接到定子4的电枢绕组4a，并且被提供用于从无电源供电。 关于端子台5的形成，多个汇流条14U，14V，14E，14N1,14N2与马达的旋转轴成直角地堆叠，树脂绝缘体15a，15b，15c布置在 母线层与母线一起经受树脂模制成型。
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公开(公告)号：JP2010284007A
公开(公告)日：2010-12-16
申请号：JP2009135676
申请日：2009-06-05
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： TSUBOUCHI HARUYOSHI , WADA HISASHI
IPC: H02K29/08
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive brushless DC motor having a sensor that achieves high-accuracy angular position, in a simple configuration.
SOLUTION: The brushless motor with a sensor having a built-in drive circuit includes: a stator core around with an armature coil wound thereon, a rotor bonded to a shaft, a sensor magnet fitted to the shaft, a magnetic sensor, a drive circuit board on which a drive circuit element is mounted, and a motor case which houses the stator core, the rotor, and the drive circuit board. The rotor is pivoted on the motor case through a plurality of bearings provided side by side only on the drive output side of the shaft. The sensor magnet is held by a magnet holding plate fitted to the end part of the shaft on the side opposite to the side where the bearing is provided in the rotor. The sensor magnet is arranged to face a magnet sensor for detecting position which is arranged on the drive circuit board.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 要解决的问题：以简单的结构提供具有实现高精度角位置的传感器的便宜的无刷直流电动机。 解决方案：具有内置驱动电路的传感器的无刷电动机包括：定子铁芯，绕其上缠绕的电枢线圈，与轴连接的转子，安装在轴上的传感器磁体，磁传感器， 安装驱动电路元件的驱动电路板和容纳定子铁芯，转子和驱动电路板的电动机壳体。 转子通过并排设置在轴的驱动输出侧上的多个轴承在电动机壳体上枢转。 传感器磁体由安装在轴的端部与转子中设置有轴承侧相反侧的磁体保持板保持。 传感器磁体被布置为面对用于检测布置在驱动电路板上的位置的磁体传感器。 版权所有（C）2011，JPO＆INPIT
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公开(公告)号：JP2007221977A
公开(公告)日：2007-08-30
申请号：JP2006042941
申请日：2006-02-20
Applicant: Hitachi Car Eng Co Ltd , 株式会社日立カーエンジニアリング
Inventor： WADA HISASHI , SHIBUKAWA SUETARO , YAMASHITA DAISUKE , YAMASHITA HIROSHI
Abstract: PROBLEM TO BE SOLVED: To provide a brushless motor where damage can be prevented and there is little vibration and noise by being able to constitute a rotor firmly.
SOLUTION: The brushless motor has a stator 1 and a rotor 5 which is fixed to a rotating shaft 10. The stator 1 is provided with a plurality of salient magnetic poles 2a which are arranged at equal intervals on the internal perimetric side of the core 2 of an armature, and also equipped with a stator coil 3 wound on each salient magnetic pole 2a. For the rotor 5, a permanent magnet 37 for a cylindrical field provided with two or more magnetic poles is engaged with a flanged permanent magnet field yoke 36, and the periphery of the permanent magnet 37 for the cylindrical field is covered with a magnetic pole cover, and constituted integrally with an adhesive layer 8 which is applied to the engaging face between the permanent magnet field yoke 36 and the permanent magnet 37 for cylindrical field. To partially thicken the adhesive layer 8, the peripheral face of the flanged permanent magnet field yoke 36 has with a plurality of rectilinear grooves 40 and at least one circumferential groove 41.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种能够防止损坏并且能够牢固地构成转子的振动和噪音很小的无刷电动机。 解决方案：无刷电动机具有定子1和固定在旋转轴10上的转子5.定子1设置有多个凸极磁极2a，它们以等间隔排列在内周侧 电枢的铁芯2，并且还配备有缠绕在每个凸极磁极2a上的定子线圈3。 对于转子5，用于具有两个或更多个磁极的圆柱形场的永磁体37与带凸缘的永磁铁磁轭36接合，并且用于圆柱形场的永磁体37的周边被磁极盖 并且与施加到永久磁场轭铁36和用于圆柱形场的永磁体37之间的接合面的粘合剂层8一体地构成。 为了使粘合剂层8部分变厚，凸缘永磁场轭铁36的周面具有多个直线槽40和至少一个周向槽41.版权所有（C）2007，JPO＆INPIT
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