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    • 1. 发明专利
    • Electromagnetic switch
    • 电磁开关
    • JP2009206002A
    • 2009-09-10
    • JP2008049004
    • 2008-02-29
    • Hitachi Ltd株式会社日立製作所
    • KOJIMA KAZUOTAMAKI KAZUNORIONOSE SHINYANAGAWA NORIO
    • H01H50/54H01H1/025H01H1/04H01H1/06H01H50/14
    • PROBLEM TO BE SOLVED: To provide an electromagnetic switch in which a mechanical strength of a bolt base material portion is enhanced and a contact point member having an excellent abrasion resistance is connected easily and surely.
      SOLUTION: The electromagnetic switch has a terminal bolt base material 13b which is embedded in a resin case and on the one end portion of which a fixed contact point member 13a is fixed. The terminal bolt base material 13b has a copper (Cu) plated layer on a connection side end surface made of iron-based steel, and the fixed contact point member 13a is made of a copper alloy, and the connection side end surface is plated with a tin (Sn) layer and is connected with the terminal bolt base material 13b by a resistance ohmic heating.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种螺栓母材部分的机械强度提高的电磁开关,并且容易且可靠地连接具有优异耐磨性的接触部件。 解决方案:电磁开关具有嵌入树脂壳体中的端子螺栓基材13b,固定有触点构件13a的一端部固定。 端子螺栓基材13b在由铁基钢制成的连接侧端面上具有铜(Cu)镀层,固定触点部件13a由铜合金构成,连接侧端面镀有 锡(Sn)层,并通过电阻欧姆加热与端子螺栓基材13b连接。 版权所有(C)2009,JPO&INPIT
    • 2. 发明专利
    • Ac generator for vehicle
    • 汽车交流发电机
    • JP2003319628A
    • 2003-11-07
    • JP2002116929
    • 2002-04-19
    • Hitachi Ltd株式会社日立製作所
    • HORIOKA KAZUOONOSE SHINYAMAZAKI SHINJIIZUMI MITSUOTAKANO MASAMI
    • H02K11/04H02K15/00H02K15/04H02K19/36
    • H02K15/00H02K11/046
    • PROBLEM TO BE SOLVED: To provide a terminal form suitable for Tig welding (an arc welding method of a gas-shield nonconsumable electrode system) which is not affected by dimensional accuracy between terminals to be connected, concerning the connection of lead wires from electrical components of an electric generator a vehicle. SOLUTION: The purpose is achieved by providing a crossed projection longer than the volume of the welding part of a terminal in the vicinity of the welding part, and controlling the welding depth of welding by a heat capacity difference arising from the difference of the volumes, or controlling welding by accelerating heat radiation. Accordingly, the depth of welding becomes stable without being affected by the dimensional accuracy between terminals, thus providing an AC generator for a vehicle high in reliability in the connection of the lead wires from the electric components. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提供一种不受连接端子之间的尺寸精度影响的Tig焊接(气体屏蔽非消耗性电极系统的电弧焊接方法)的端子形式,涉及引线的连接 从发电机的电气部件车辆。 解决方案:目的是通过提供比焊接部附近的端子的焊接部分的体积更长的交叉突出部,并且通过由焊接部分的差异引起的热容差来控制焊接深度 体积,或通过加速散热来控制焊接。 因此,焊接深度变得稳定,而不受端子之间的尺寸精度的影响,从而为来自电气部件的引线的连接提供高可靠性的车辆的交流发电机。 版权所有(C)2004,JPO
    • 5. 发明专利
    • Fuel injection valve
    • 燃油喷射阀
    • JP2005083289A
    • 2005-03-31
    • JP2003317660
    • 2003-09-10
    • Hitachi Car Eng Co LtdHitachi 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
    • KOSHIZAKA ATSUSHIKAWAHARA KEIJIONOSE SHINGUNJI KENICHI
    • F02M51/06
    • PROBLEM TO BE SOLVED: To obtain a fuel injection valve without fuel leakage, having a good injection characteristic, having its heat processing time shortened and the number of its components reduced by increasing stiffness of a peripheral part of a connection groove of a nozzle and plastically connecting the nozzle with a housing.
      SOLUTION: The fuel injection valve is a fuel injection valve for cylinder injection of fuel having a slender nozzle (long nozzle). The fuel injection valve 1 is composed of a combination of cylindrical components and a stator side magnetic circuit is formed by the housing 2 made of magnetic material, a yoke 3, and a core 4. A movable valve 5 covered with the magnetic circuit is axially moved by energizing an electromagnetic solenoid coil 17, and the edge part of the movable valve 5 is covered with the nozzle 6 connected to the housing 2. The nozzle 6 is inserted to a stepped inner diameter surface of the housing 2 through a ring 18. At a connection part 7, the inner periphery edge part of the housing 2 is locally pressed for plastically deforming the housing 2, and material is made to plastically flow in the annular connection groove 8 provided at the outer periphery of the nozzle 6 for connecting. The connection groove could be a rough surface if necessary. This invention is characterized by the difference in stiffness between a plastic deformation pressure receiving surface of the periphery of the nozzle connection groove and that of the housing to secure a sealing performance of the connection part. It is also characterized by making the stiffness of the nozzle higher than that of the housing.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:为了获得没有燃料泄漏的燃料喷射阀,具有良好的喷射特性,其热处理时间缩短并且通过增加一个连接槽的周边部分的刚度来降低其部件的数量 喷嘴并将喷嘴与壳体塑性连接。 解决方案:燃料喷射阀是用于气缸喷射具有细长喷嘴(长喷嘴)的燃料的燃料喷射阀。 燃料喷射阀1由圆筒部件的组合构成,并且定子侧磁路由由磁性材料制成的壳体2,磁轭3和磁芯4形成。用磁路覆盖的可动阀5轴向 通过激励电磁螺线管线圈17移动,并且可动阀5的边缘部分被连接到壳体2的喷嘴6覆盖。喷嘴6通过环18插入壳体2的阶梯状内径表面。 在连接部7,壳体2的内周缘部被局部挤压,使壳体2塑性变形,使材料塑性地流到设置在喷嘴6的外周的环状连接槽8内,进行连接。 如果需要,连接槽可以是粗糙的表面。 本发明的特征在于喷嘴连接槽周边的塑性变形压力接收表面与壳体的塑性变形压力接收表面之间的刚度差,以确保连接部件的密封性能。 其特征还在于使喷嘴的刚度高于壳体的刚度。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Air flow measuring device
    • 空气流量测量装置
    • JP2009085653A
    • 2009-04-23
    • JP2007252974
    • 2007-09-28
    • Hitachi Ltd株式会社日立製作所
    • KAWAHARA KEIJIGUNJI KENICHIONOSE SHINMUKAIGAWA TOSHIAKIOZAWA MASAYUKI
    • G01F1/69
    • PROBLEM TO BE SOLVED: To secure a constant bonding area when bonding a terminal to a heating resistor and a temperature compensation resister; to reduce a welding current by keeping stable bonding having a small bonding area and a small change; to reduce a thermal influence to the terminal, the heating resistor and the temperature compensation resister; to narrow a range of a change of a material composition; to secure mounting position accuracy in the thickness direction; and to acquire stable output characteristics. SOLUTION: This heating resistor type air flow measuring device equipped with a sub-channel having the heating resistor and the temperature compensation resister inside, the heating resistor, the temperature compensation resister, the terminal and an electronic circuit is described as follows: a terminal body has a plate shape; electric connection is applied between the heating resistor and the temperature compensation resister; a connection part surface of the terminal is a plane; and the connection part surface of the terminal is narrower than the width of the connection part periphery; and the height of a connection surface is the same as the height of the connection part periphery of the terminal. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:当将端子接合到加热电阻器和温度补偿电阻器时,确保固定的接合面积; 通过保持粘接面积小,变化小的稳定接合来降低焊接电流; 减少对端子,发热电阻和温度补偿电阻的热影响; 缩小材料组成的变化范围; 以确保厚度方向上的安装位置精度; 并获得稳定的输出特性。

      解决方案:该加热电阻式气流测量装置包括具有加热电阻器和温度补偿电阻器的子通道,加热电阻器,温度补偿电阻器,端子和电子电路如下: 端子体具有板状; 在加热电阻和温度补偿电阻之间施加电连接; 端子的连接部分表面是平面; 并且端子的连接部分表面比连接部分周边的宽度窄; 并且连接表面的高度与端子的连接部分周边的高度相同。 版权所有(C)2009,JPO&INPIT

    • 7. 发明专利
    • Electric power steering motor
    • 电动转向电机
    • JP2007202263A
    • 2007-08-09
    • JP2006016204
    • 2006-01-25
    • Hitachi Ltd株式会社日立製作所
    • YAGAI MASAMICHIONOSE SHINUEDA TOSHIAKI
    • H02K3/18B62D5/04H02K3/44
    • PROBLEM TO BE SOLVED: To provide an electric power steering motor that makes it possible to reduce a space for coil wire connection and is of small size, low voltage, and large torque. SOLUTION: In the electric power steering motor, polyphase stator coils 114 incorporated into a stator core are connected so that the following is implemented: they are delta-connected at the end portions of the stator coils 114 by wire connection rings CR(UV), CR(VW), CR(WU) on a phase-by-phase basis. The wire connection rings CR(UV), CR(VW), CR(WU) have fastening portions CU for the stator coils. When the number of the stator coils per phase is an even number, the fastening portions CU are identical in number on both sides of a portion of joint with a bus bar 117 externally supplied with power. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种电动助力转向电动机,其能够减小线圈线连接的空间,并且具有小尺寸,低电压和大的扭矩。 解决方案:在电动助力转向电动机中,结合到定子铁芯中的多相定子线圈114被连接,使得实现以下功能:它们在定子线圈114的端部通过电线连接环CR( UV),CR(VW),CR(WU)。 电线连接环CR(UV),CR(VW),CR(WU))具有用于定子线圈的紧固部分CU。 当每相定子线圈的数量是偶数时,紧固部分CU的数量在与外部供电的汇流条117的接头部分的两侧相同。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Dynamo-electric machine
    • DYNAMO-ELECTRIC MACHINE
    • JP2005253145A
    • 2005-09-15
    • JP2004057167
    • 2004-03-02
    • Hitachi Ltd株式会社日立製作所
    • MORI YOSHIKIUEDA TOSHIAKISAKAI TAKESHIKIMURA YASUHIKOONOSE SHINKANAZAWA HIROYUKIHONMA MASAHIKO
    • H02K3/04H02K3/12H02K3/28H02K3/38H02K3/46H02K3/50
    • H02K3/12H02K3/50H02K2203/09
    • PROBLEM TO BE SOLVED: To provide a dynamo-electric machine which is equipped with a stator easy of manufacture and a phase winding circuit capable of reducing noise and easy of manufacture, by examining both sides of product structure and manufacturing process.
      SOLUTION: In a dynamo-electric machine which is equipped with a stator 2 comprising a stator iron core 3 where two or more slots are formed in the direction of a rotating shaft and stator winding which is inserted into the two or more slots, the stator winding comprises two or more conductors 4 which are inserted from the direction of the rotating shaft into each of the two or more slots, and the stator 2 has a connecting ring 1 which is provided with slits 13 where the two or more conductors 4 are to be inserted from the direction of the rotating shaft.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过检查产品结构和制造过程的两面,提供一种装有易于制造的定子的发电机和能够降低噪音并且易于制造的相绕组电路。 解决方案:在配备有定子2的发电机中,定子2包括定子铁芯3,定子铁芯3在旋转轴的方向上形成两个或更多个槽,并且定子绕组被插入到两个或更多个槽 定子绕组包括从旋转轴的方向插入到两个或更多个槽中的两个或更多个导体4,并且定子2具有连接环1,连接环1设置有狭缝13,其中两个或多个导体 4将从旋转轴的方向插入。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Rotating electrical machine and its stator
    • 旋转电机及其定子
    • JP2009081980A
    • 2009-04-16
    • JP2007251366
    • 2007-09-27
    • Hitachi Ltd株式会社日立製作所
    • ONOSE SHINKASE MASAMICHIMORI YOSHIKIOYAMA KAZUTO
    • H02K3/04H02K15/04
    • PROBLEM TO BE SOLVED: To simplify a manufacturing process of a stator coil, and to improve reliability in short-circuit prevention as well as joint characteristics of a jointed part of a coil segment. SOLUTION: A stator of rotating electrical machine comprises a stator core comprising a plurality of slots, and a plurality of coil segments 2a and 2b attached to respective slots for forming the stator coil. The jointed parts of coil segments 2a and 2b are jointed adjacently outside the slot. Between the jointed parts of the coil segments 2a and 2b, a conductive spacer 1 is provided to dispose a space between adjoining parts other than the jointed parts of coil segments. The jointed parts of the coil segments 2a and 2b are jointed to the spacer 1 by welding or through a jointing member. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了简化定子线圈的制造工艺,并且提高短路防止的可靠性以及线圈段的接合部分的接合特性。 解决方案:旋转电机的定子包括定子芯,其包括多个槽,以及多个线圈段2a和2b,其连接到用于形成定子线圈的各个槽。 线圈段2a和2b的接合部分相邻地接合在槽外。 在线圈段2a和2b的接合部分之间,提供导电间隔件1以在线圈段的接合部分之外的相邻部分之间设置空间。 线圈段2a和2b的接合部分通过焊接或通过接合构件接合到间隔件1。 版权所有(C)2009,JPO&INPIT