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    • 11. 发明专利
    • Spark plug for internal combustion engine and ignition device including the spark plug
    • 用于内燃机的火花塞和包括火花塞的点火装置
    • JP2014022183A
    • 2014-02-03
    • JP2012159587
    • 2012-07-18
    • Denso Corp株式会社デンソー
    • ISHIGURO HIROYA
    • H01T13/20H01T13/04
    • H01T13/20F02P3/02H01F38/12H01T13/44
    • PROBLEM TO BE SOLVED: To provide a spark plug for an internal combustion engine, capable of improving insulation properties of a plug cap while maintaining assembly workability of the plug cap, and to provide an ignition device including the spark plug.SOLUTION: A spark plug 1 includes: a housing 11; an insulator 12 further projected from the housing 11 to the base end side; a center electrode 13 further projected from the insulator 12 to the tip side; a grounding electrode 14 forming a spark discharge gap G between the center electrode 13 and itself; and a terminal part 15 further projected from the insulator 12 to the base end side and conducted to the center electrode 13. The insulator 12 has an insertion part 2 to be inserted into a cylindrical plug cap 54 on a base end side portion further from the housing 11. The insertion part 2 includes a non-engagement part 22 formed on the base end part of the insulator 12 and has an outer diameter less than an inner diameter of the plug cap 54 and an engagement part 21 formed on the tip side of the non-engagement part 22 and allowed to be engaged with an inner peripheral surface 541 of the plug cap 54.
    • 要解决的问题:提供一种用于内燃机的火花塞,其能够在保持塞帽的组装操作性的同时提高塞帽的绝缘性,并提供包括火花塞的点火装置。解决方案:火花塞 图1包括:壳体11; 从壳体11进一步突出到基端侧的绝缘体12; 从绝缘体12进一步向尖端侧突出的中心电极13; 在中心电极13和本身之间形成火花放电间隙G的接地电极14; 以及从绝缘体12进一步突出到基端侧并且传导到中心电极13的端子部15。绝缘体12具有插入部分2,以插入到插入部分2中的插入部分2上, 插入部分2包括形成在绝缘体12的基端部上并具有小于插头盖54的内径的外径的非接合部分22以及形成在绝缘体12的顶端侧上的接合部分21 非接合部22被允许与插塞54的内周面541接合。
    • 12. 发明专利
    • Ignition coil for internal combustion engine
    • 内燃机用点火线圈
    • JP2013229484A
    • 2013-11-07
    • JP2012101260
    • 2012-04-26
    • Denso Corp株式会社デンソー
    • DEGUCHI MASAKI
    • H01F38/12F02P15/00
    • F02P23/00F02P3/02H01F27/29H01F38/12
    • PROBLEM TO BE SOLVED: To provide a highly reliable ignition coil with a high voltage connection terminal capable of preventing generation of foreign matters as well as securing a stable contact state and contact load.SOLUTION: A high voltage connection terminal 80 is connected to a secondary coil 3 of an ignition coil for an internal combustion engine. The high voltage connection terminal 80 comprises: a connection part 83 electrically connected to the secondary coil 3; a tip part 82 in contact with a high voltage output terminal 90 at one end side, with the connection part 83 being at the other end side; and an arm part 81 connecting the tip part 82 and the connection part 83, the surface of the tip part 82 on the high voltage output terminal side having a spherical surface. Owing to this configuration, the high voltage connection terminal 80 and the high voltage output terminal 90 are always in contact with each other via a spherical surface portion. Therefore, a contacting surface 91 of the high voltage output terminal is not abraded by rubbing, which prevents the generation of foreign matters and secures a stable contact state and contact load.
    • 要解决的问题:提供具有能够防止异物产生的高压连接端子的高可靠性点火线圈,以及确保稳定的接触状态和接触负载。解决方案:高压连接端子80连接到次级 用于内燃机的点火线圈的线圈3。 高压连接端子80包括:电连接到次级线圈3的连接部分83; 在一端侧与高压输出端子90接触的端部部分82,连接部分83位于另一端侧; 以及连接尖端部82和连接部83的臂部81,高压输出端侧的前端部82的表面具有球面。 由于这种结构,高压连接端子80和高压输出端子90经由球面部分总是相互接触。 因此,高压输出端子的接触表面91不会被摩擦磨损,从而防止异物的产生并确保稳定的接触状态和接触负载。
    • 15. 发明专利
    • Ignition system
    • 点火系统
    • JP2012219748A
    • 2012-11-12
    • JP2011087911
    • 2011-04-12
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • YAMADA TATSUNORIKATSURAYA KOHEINAKAYAMA KATSUTOSHI
    • F02P15/00F02P13/00H01T13/05H01T13/41H01T15/00
    • F02P9/007F02P3/02F02P3/04F02P15/10F02P23/04H01T13/04H01T13/06
    • PROBLEM TO BE SOLVED: To achieve superior ignitability while suppressing the occurrence of accidental ignition.SOLUTION: An ignition system 101 includes: an ignition plug 1; a discharge power supply 2 for applying a voltage to the ignition plug 1 in order to allow the ignition plug to generate a spark discharge; an AC power supply 3 for supplying AC power to a spark generated by the spark discharge; and an ignition cable 4 for electrically connecting the ignition plug 1, the discharge power supply 2, and the AC power supply 3 to each other. The ignition cable 4 has: a discharge electrode 41 for connecting the discharge power supply 2 and the ignition plug 1 to each other; an AC electrode 42 for transmitting the AC power, supplied from the AC power supply 3, to the ignition plug 1 side; and an insulator 43 sandwiched between both electrodes 41, 42.
    • 要解决的问题:为了在抑制意外点火的发生的同时实现优异的点火性。 点火系统101包括:火花塞1; 用于向火花塞1施加电压以便允许火花塞产生火花放电的放电电源2; 用于向由火花放电产生的火花提供AC电力的AC电源3; 以及用于将火花塞1,放电电源2和交流电源3彼此电连接的点火电缆4。 点火线4具有:用于将放电电源2和火花塞1彼此连接的放电电极41; 用于将从AC电源3提供的AC电力传送到火花塞1侧的AC电极42; 和夹在两个电极41,42之间的绝缘体43.(C)2013,JPO和INPIT
    • 18. 发明专利
    • Engine plug hole waterproofing device
    • 发动机插孔防水装置
    • JP2011082462A
    • 2011-04-21
    • JP2009235660
    • 2009-10-09
    • Honda Motor Co LtdToyo Denso Co Ltd本田技研工業株式会社東洋電装株式会社
    • KISHI SHOJIKAJIWARA TAKAHIROKURAHASHI MAKOTOMORIYA GAKUJI
    • H01F38/12F02P13/00F02P15/00
    • F02P13/00F02P3/02H01T13/06
    • PROBLEM TO BE SOLVED: To provide a device to effectively prevent water from intruding into a ventilation hole for preventing immersion of a plug hole even if an engine is repeatedly bathed with water. SOLUTION: In the engine plug hole waterproofing device, an ignition coil 7 housed in a plug hole 12 opened on the upper surface of an engine together with an ignition plug 8 is capped with a coil case 10 that covers it. A case upper portion 10b protruding above the engine of the coil case is provided with: a vertical air path 21 that extends upward from the lower end portion that communicates with the plug hole 12; and a ventilation hole 27 opened to the atmosphere by communicating with the upper end of the vertical air path. The ventilation hole 27 is provided on the upper part of the case upper portion 10b. A cover wall 22 that hangs to enclose the ventilation hole 27 is extended from the case upper portion 10b. An atmospheric chamber 20 is formed inside the cover wall 22, which comes to be an open surface 20a where the ventilation hole 27 is opened at its upper portion and the entire lower surface is opened toward the engine. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:即使发动机反复浸泡在水中,提供一种有效防止水侵入通风孔以防止塞孔沉浸的装置。 解决方案:在发动机塞孔防水装置中,与点火塞8一起在发动机的上表面上开放的塞孔12中的点火线圈7被覆盖着的线圈箱10盖住。 突出在线圈壳体的发动机上方的壳体上部10b设置有:从与插塞孔12连通的下端部向上延伸的垂直空气路径21; 以及通过与上述垂直风路的上端连通而向大气开放的通气孔27。 通气孔27设置在壳体上部10b的上部。 悬挂以封闭通气孔27的盖壁22从壳体上部10b延伸。 大气室20形成在盖壁22的内部,盖壁22成为开口表面20a,通风孔27在其上部开口,整个下表面朝向发动机打开。 版权所有(C)2011,JPO&INPIT
    • 20. 发明专利
    • Control device of plasma forming region and plasma processing device
    • 等离子体形成区域和等离子体处理装置的控制装置
    • JP2009038025A
    • 2009-02-19
    • JP2008182104
    • 2008-07-12
    • Imagineering Kkイマジニアリング株式会社
    • IKEDA YUJI
    • H05H1/48H05H1/00
    • H05H1/46F02P3/02F02P9/007F02P23/045H01J37/32192H01J37/32825
    • PROBLEM TO BE SOLVED: To provide a control device of a plasma existing region in which a large scale plasma can be obtained easily and at a low cost under a high pressure.
      SOLUTION: The control device is provided with a microwave oscillator, an antenna connected with the microwave oscillator, and a controlling means for controlling positions of the microwave oscillating unit and the antenna. The controlling means arranges the antenna toward a plasma forming region based on a designation of the plasma forming region at each time, and sets up a driving sequence of the microwave oscillator based on a temperature condition of the designated plasma and drives the microwave oscillator based on the driving sequence.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种等离子体存在区域的控制装置,其中可以容易地并且在高压下以低成本获得大规模等离子体。 解决方案:控制装置设置有微波振荡器,与微波振荡器连接的天线,以及用于控制微波振荡单元和天线的位置的控制装置。 控制装置基于每次等离子体形成区域的指定,将天线布置成等离子体形成区域,并且基于指定等离子体的温度条件建立微波振荡器的驱动顺序,并且基于 驾驶顺序。 版权所有(C)2009,JPO&INPIT