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    • 2. 发明专利
    • Spark plug
    • SPARK插头
    • JP2013033670A
    • 2013-02-14
    • JP2011169698
    • 2011-08-03
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • KASUYA YUJIKATAOKA RYOICHI
    • H01T13/20H01T13/32
    • H01T13/06H01T13/32H01T13/39
    • PROBLEM TO BE SOLVED: To provide a technique of improving weld strength between an intermediate member and an electrode member.SOLUTION: When the sum of areas of nugget represents S1, the height of an end surface of a noble metal chip in the case based on the arrangement surface of an electrode base material represents H1, and the maximum width of the noble metal chip represents D1 in a cross-sectional surface obtained by cutting a spark plug by a plane passing through the center of gravity of an intermediate member and parallel to an opposing direction where an extension part of a ground electrode and a center electrode are opposed to each other, the spark plug satisfies the relationship of S1/(D1×H1)≥0.005.
    • 要解决的问题:提供一种提高中间构件和电极构件之间的焊接强度的技术。 解决方案:当熔核面积之和表示S1时,基于电极基材的配置表面的情况下的贵金属芯片的端面的高度表示H1,贵金属的最大宽度 芯片在通过中间构件的重心的平面切割火花塞获得的横截面中的D1表示平行于接地电极和中心电极的延伸部分与每个相对的方向相反的方向 另外火花塞满足S1 /(D1×H1)≥0.005的关系。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Spark plug cover and internal combustion engine using the sparking plug cover
    • 火花塞盖和内燃机使用喷射盖
    • JP2005264949A
    • 2005-09-29
    • JP2005123619
    • 2005-04-21
    • Lexington Insulatorsレキシントン インシュレーターズ
    • MILLER JOHN
    • F02P13/00H01T13/04H01T13/06
    • H01T13/06
    • PROBLEM TO BE SOLVED: To provide a system effective to release a pressure in a sparking plug without entrance of moisture and fouling into the recessed part of the sparking plug.
      SOLUTION: A sparking plug cover for a sparking plug placed in the recessed part of the sparking plug is provided with an element having first and second end parts; a ventilation passage extending between a first opening positioned in the recessed part of the sparking plug and a second opening situated at a second end part and positioned outside the recessed part of the sparking plug; and a one-way valve situated in the second opening. The one-way valve consists of a wall by which a slit is partitioned between the walls, The slit is closed until an internal pressure in the recessed part of the spark plug reaches the opening starting pressure of the one-way valve, and the slit is opened in a way that when an internal pressure reaches an opening starting pressure, the walls are separated from each other. The slit is positioned above the second opening.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种有效释放火花塞中的压力的​​系统,而不会进入潮气并结垢到火花塞的凹陷部分。 解决方案:放置在火花塞的凹陷部分中的用于火花塞的火花塞盖设置有具有第一和第二端部的元件; 在位于火花塞的凹部中的第一开口和位于第二端部的位于火花塞的凹部的外侧的第二开口之间延伸的通风通道; 以及位于第二开口中的单向阀。 单向阀由壁构成,狭缝在壁之间分隔开。狭缝被封闭,直到火花塞的凹部内的内压达到单向阀的开启起始压力,并且狭缝 以内部压力达到开启起始压力的方式打开,壁彼此分离。 狭缝位于第二开口的上方。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Plug cap, and installing structure thereof
    • PLUG CAP,并安装其结构
    • JP2010160900A
    • 2010-07-22
    • JP2009000488
    • 2009-01-06
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • FUMA TOSHIHIROOTA JUNPEI
    • H01T13/04F02P13/00
    • H01T13/04H01T13/06
    • PROBLEM TO BE SOLVED: To provide a plug cap capable of preventing deterioration of workability and improving stability of an installing condition and vibration resistance. SOLUTION: The plug cap 100 is formed of a plug cap body 1 having a resin molded body 6 inside the plug cap body 1, wherein the resin molded body 6 is covered with a covering body 9. A projection 25 having a first fitting hole 23 is projectingly formed in an outer peripheral direction of the resin molded body 6. A projection covering body 27 for covering the projection 25 is extended from the covering body 9, and a second fitting hole 28 is formed by extending the projection covering body 27 to an inner periphery of the first fitting hole 23. Upon connecting the plug cap 100 with a spark plug 50, a convex section 24 arranged on an engine is fitted to the second fitting hole 28. Thus, stability of the installing condition and vibration resistance can be improved. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够防止加工性劣化并提高安装条件和抗振性的稳定性的插头盖。 解决方案:插头盖100由插头体1内的树脂成型体6的插头体1形成,树脂成型体6被覆盖体9覆盖。具有第一 在树脂成型体6的外周方向突出地形成有嵌合孔23.用于覆盖突起25的突起覆盖体27从覆盖体9延伸出来,第二嵌合孔28通过使突出覆盖体 27连接到第一装配孔23的内周。在将插头盖100与火花塞50连接时,布置在发动机上的凸部24装配到第二装配孔28.因此,安装状态和振动的稳定性 电阻可以提高。 版权所有(C)2010,JPO&INPIT