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    • 3. 发明专利
    • Abnormality detector and detecting method of alternator
    • 异常检测器和检测方法
    • JP2005102436A
    • 2005-04-14
    • JP2003334548
    • 2003-09-26
    • Hitachi Ltd株式会社日立製作所
    • SHIMURA AKITOSHIUENO TETSUOKANO KOJIAIZONO TAKEO
    • H02J7/14H02P9/30
    • PROBLEM TO BE SOLVED: To find the abnormality of an alternator for vehicle in early stage and informs it to a driver before such an event as deterioration of a battery or engine shutdown incident to lowering of power generation occurs. SOLUTION: Output voltage of an alternator 103 is inputted from an analog terminal 207 and filtered by means of a processor 201 in a specified frequency band. Difference between the maximum value and minimum value of the filtered output voltage of the alternator is calculated and a decision is made that the alternator is abnormal if that difference is equal to or higher than a threshold value. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了在早期发现车辆的交流发电机的异常,并且在发生因发电降低而发生的电池劣化或发电机停机的事件发生之前将其告知驾驶员。 解决方案:交流发电机103的输出电压从模拟端子207输入,并通过处于指定频带的处理器201进行滤波。 计算交流发电机的滤波后的输出电压的最大值与最小值之间的差值,如果该差值等于或高于阈值,则判定交流发电机异常。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Electromagnetic fuel injection valve
    • 电磁燃油喷射阀
    • JPS6185567A
    • 1986-05-01
    • JP20634484
    • 1984-10-03
    • Hitachi Ltd
    • KOSUGE TOKUOKANO KOJIYOSHIZU AKIRA
    • F02M51/08F02M51/06
    • PURPOSE: To enhance productivity and reliability, by fitting an internal-toothed washer on a terminal.
      CONSTITUTION: After a bobbin 11 is inserted into an assembly of a yoke 2 and a core 20, an O-ring 15 for fuel sealing and a terminal guide 16 are fitted on a terminal 17. An internal-toothed washer 23 is then fitted on the terminal 17 to secure the bobbin 11 integrally coupled to the terminal 17. The inside diameter ϕd
      2 of the washer 23 and the outside diameter ϕd
      1 of the terminal are related to each other as ϕd
      2 1 , and the washer 23 can be elastically deformed. For that reason, the washer 23 can be relatively easily fitted on the terminal 17, but cannot be easily pulled out from the terminal in the direc tion of pulling-out of the bobbin 11.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过在终端上安装内齿垫圈来提高生产率和可靠性。 构成:在将线轴11插入到轭架2和芯子20的组件中之后,用于燃料密封的O形环15和端子引导件16安装在端子17上。然后将内齿垫圈23安装在 端子17固定一体地联接到端子17的线轴11.垫圈23的内径phid2和端子的外径phid1彼此相关,因此phid2
    • 7. 发明专利
    • Electromagnetic fuel injection valve
    • 电磁燃油喷射阀
    • JPS6179860A
    • 1986-04-23
    • JP19959284
    • 1984-09-26
    • Hitachi Ltd
    • KANO KOJIKOSUGE TOKUO
    • F02M51/08F02M61/16
    • PURPOSE: To suppress variation in magnetic force due to a machined and varied layer and improve the characteristic of a valve by hardening the contact surfaces of a stopper which restrains the traveling distance of a ball valve and a plate provided in an integrated form with said ball valve, and substantially separating said contact surfaces from a part that forms a magnetic circuit.
      CONSTITUTION: In the captioned valve, a magnetic path is formed on the outer periphery of a coil wound on a bobbin, by means of a yoke, core, and a stopper 4, and a disk type plate 11 which is formed in an integrated form with a ball valve, to open the ball valve by means of electromagnetic force caused by the application of a current to the coil. The distance of opening of the ball valve is adjusted by varying the thickness of a ring 5, and a nozzle guide 6 is piled on it and clamped at the lower end part of the yoke. Contact parts 200, 201 of convex hardened layers, are provided on the stopper 4 and the plate 11 respectively. And, a magnetic circuit is formed via the opposite surfaces 202, 203 of the stopper 4 and the plate 11. Accordingly, contact is not made at a space 204 which forms the magnetic circuit at the time of opening and closing operation of the ball valve and, therefore, a machined and varied layer is not created.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:为了抑制因机械加工而变化的层的磁力的变化,通过硬化止动器的接触面来改善阀的特性,从而限制球阀和与所述球形成一体的形式的板的行进距离 并且将所述接触表面与形成磁路的部分基本上分离。 构成:在标题阀中,通过轭,芯和止动件4在缠绕在线轴上的线圈的外周上形成磁路,并且形成为一体形式的盘型板11 用球阀,通过由电流施加到线圈引起的电磁力来打开球阀。 通过改变环5的厚度来调节球阀的打开距离,并且喷嘴引导件6堆叠在其上并夹在轭的下端部。 凸形硬化层的接触部分200,201分别设置在制动器4和板11上。 并且,通过止动器4和板11的相对表面202,203形成磁路。因此,在球阀的打开和关闭操作时形成磁路的空间204处不形成接触 因此,不会产生加工和变化的层。