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    • 11. 发明公开
    • SPARK PLUG
    • 火花塞
    • EP3086422A1
    • 2016-10-26
    • EP14872151.7
    • 2014-12-16
    • NGK Sparkplug Co., Ltd.
    • SEGAWA, MasayukiSUMOYAMA, Daisuke
    • H01T13/20H01T13/39
    • H01T13/39H01T13/20H01T13/50
    • A spark plug includes a center electrode and a ground electrode that forms a gap with the center electrode. At least one of the center electrode and the ground electrode includes a shaft portion and an electrode tip joined to one surface of the shaft portion. The shaft portion includes a first core formed of a material containing copper and a first outer layer that is formed of a material having higher corrosion resistance than the first core and covers at least part of the first core. The electrode tip includes a second outer layer that is formed of a material containing a noble metal and forms the outer surface of the electrode tip and a second core that is formed of a material having a higher thermal conductivity than the second outer layer and is at least partially covered with the second outer layer.
    • 火花塞包括中心电极和与中心电极形成间隙的接地电极。 中心电极和接地电极中的至少一个包括轴部分和连接到轴部分的一个表面的电极尖端。 轴部包括由含铜材料形成的第一芯体和由耐腐蚀性比第一芯体高的材料形成并覆盖第一芯体的至少一部分的第一外层。 电极头包括:第二外层,其由包含贵金属的材料形成并形成电极头的外表面;以及第二芯,其由导热率高于第二外层的材料形成并且处于 至少部分地被第二外层覆盖。
    • 14. 发明公开
    • GLOW PLUG
    • 发光插头
    • EP2840313A1
    • 2015-02-25
    • EP13777913.8
    • 2013-04-18
    • NGK Sparkplug Co., Ltd.
    • SUGIYAMA, Yumi
    • F23Q7/00
    • F23Q7/001
    • Provided is a glow plug with which dissolution loss of a heat-generating coil can be reliably prevented. This glow plug (1) is equipped with a heat-generating coil (9) within a tube (7). When the length in the axis line (CL1) direction of a prescribed cross-sectional region (21), which is one of the cross-sectional coil regions of the heat-generating coil (9) when viewed in a vertical cross section containing the central axis line (CL2), is a (mm), and the length in the direction orthogonal to the axis line (CL1) is b (mm), the expression a > b is satisfied. Furthermore, when the region of an inside contour line (22I) of the prescribed cross-sectional region (21) located between the prescribed points (P1) and (P3) has a radius of curvature of R (mm), the curvature of the line is such that R > a/2. Furthermore, with respect to the region (21), when a virtual line (VL) extending parallel to the axis line (CL) is drawn at a position such that the area of the region of the region (21) near the inside contour line (22I) is 10% of the entire area of the region (21), and the distance from the inside contour line (221) to the virtual line (VL) is L (mm), the expression 0.100
    • 提供一种能够可靠地防止发热线圈的溶解损失的电热塞。 该电热塞(1)在管(7)内配备有发热线圈(9)。 当在包含发热线圈(9)的垂直截面中观察时,当作为发热线圈(9)的截面线圈区域之一的预定截面区域(21)的轴线(CL1) 中心轴线(CL2)为(mm),与轴线正交的方向(CL1)的长度为b(mm)时,满足a> b。 另外,在位于指定点(P1)和(P3)之间的规定截面区域(21)的内轮廓线(22I)的区域具有曲率半径R(mm)的情况下, 线是这样的R> a / 2。 此外,关于区域(21),当平行于轴线(CL)延伸的虚拟线(VL)被绘制在使得区域(21)的靠近内轮廓线 (21)的总面积的10%,从内侧轮廓线(221)到假想线(VL)的距离为L(mm)时,0.100
    • 15. 发明公开
    • GLOW PLUG AND METHOD FOR MANUFACTURING SAME
    • 发光插塞及其制造方法
    • EP2833070A1
    • 2015-02-04
    • EP13768466.8
    • 2013-03-06
    • NGK Sparkplug Co., Ltd.
    • OKUMA, TakeshiISHII, Shuei
    • F23Q7/00
    • F23Q7/001B21D22/20F23Q2007/004
    • An improvement in fuel economy and a reduction in manufacturing cost are realized by reducing a weight of a tool engagement portion and hence a weight of a housing. A glow plug 1 includes a cylindrical housing 2 having an axial hole 4 which extends in the direction of an axis CL1 and provided with, on an outer circumferential surface thereof, a screw portion 5 for being screwed into a mounting hole of an internal combustion engine, and a heater member 3 inserted into the axial hole 4 in a state where at least front end portion thereof projects from a front end of the housing 2. The housing 2 includes a tool engagement portion 6 which is provided at a rear end side than the screw portion 5 and to which a tool is engaged when the being mounted to the internal combustion engine. An inner circumference of the tool engagement portion 6 has a shape which follows an outer circumferential shape of the tool engagement portion 6.
    • 通过减轻工具接合部分的重量并因此减轻壳体的重量,实现燃料经济性的改善和制造成本的降低。 电热塞1包括:具有轴向孔4的圆柱形壳体2,该轴向孔4沿轴线CL1的方向延伸并且在其外周表面上设置有螺纹部5,该螺纹部5用于拧入内燃机的安装孔中 以及以至少其前端部从壳体2的前端突出的状态插入到轴孔4中的加热器部件3.壳体2包括设置在轴向孔4的后端侧的工具接合部6, 螺纹部分5并且当安装到内燃机时工具接合到该螺纹部分。 工具卡合部6的内周具有追随工具卡合部6的外周形状的形状。
    • 18. 发明公开
    • SPARK PLUG AND PROCESS FOR PRODUCING SAME
    • ZÜNDKERZEUND VERFAHREN ZU IHRER HERSTELLUNG
    • EP2393171A1
    • 2011-12-07
    • EP09839263.2
    • 2009-12-11
    • NGK Sparkplug Co., Ltd.
    • TAIDO AkikazuKATO Tomoaki
    • H01T13/20C25D5/26C25D7/00H01T13/39
    • C25D5/50C25D3/562C25D7/00H01T13/32H01T13/39H01T21/02
    • There are provided a spark plug in which a plating film applied to a ground electrode can be relatively easily removed, without cost increase, to prevent deterioration in ignition performance, and a process for producing the spark plug. A spark plug 1 has a metal shell 3, a ground electrode 27 made of a Ni alloy and a Ni plating layer 28 containing Ni as a main component and applied to surfaces of at least a rear end portion of the ground electrode 27 and of the metal shell 3. A Ni plating film 41 applied to a center-electrode-side part of a portion of the ground electrode 27 to be bent has been irradiated with a laser beam or the like, thereby forming a molten layer 29 in which metal materials of the Ni plating film 41 and the ground electrode 27 are molten together on the center-electrode-side part of the portion of the ground electrode 27 to be bent. The Ni plating layer 28 is formed on a part of the ground electrode 27 other than the part irradiated with the laser beam.
    • 提供了一种火花塞,其中施加到接地电极的镀膜可以相对容易地去除而不增加成本,以防止点火性能的劣化,以及用于制造火花塞的工艺。 火花塞1具有金属壳3,由Ni合金构成的接地电极27和以Ni为主要成分的Ni镀层28,并且被施加到接地电极27的至少后端部分的表面和 金属壳体3.用激光束等照射施加到待弯曲的接地电极27的一部分的中心电极侧部分的Ni镀膜41,从而形成熔融层29,其中金属材料 的Ni电镀膜41和接地电极27在接地电极27的部分的中心电极侧部分熔融在一起,以弯曲。 在除了被激光束照射的部分之外的接地电极27的一部分上形成有Ni镀层28。
    • 20. 发明公开
    • SOLID OXIDE FUEL BATTERY
    • 固体氧化物燃料电池
    • EP2330674A1
    • 2011-06-08
    • EP09817901.3
    • 2009-10-02
    • NGK Sparkplug Co., Ltd.
    • HAYASHI, ChieISHIKAWA, HiroyaFURUSAKI, KeizoOKUYAMA, YasuoTODO, YusukeKOMATSU, Daisuke
    • H01M8/24H01M8/02H01M8/12
    • H01M8/12H01M8/006H01M8/0273H01M8/2425H01M8/2432H01M8/248H01M8/2483H01M2008/1293Y02E60/521Y02E60/525
    • [Means for Solution] A solid oxide fuel cell apparatus including a fuel cell having a plate-shaped first solid electrolyte body, a fuel electrode provided on one side of the first solid electrolyte body and coming in contact with fuel gas, and an air electrode provided on the other side of the first solid electrolyte body and coming in contact with oxidizer gas. The solid oxide fuel cell apparatus further includes a cell-follow-up deformation member located on at least one of opposite sides of the fuel cell with respect to a first stacking direction along which the fuel electrode, the first solid electrolyte body, and the air electrode are stacked together. The cell-follow-up deformation member deforms according to a deformation of the fuel cell on the basis of at least one of physical quantities including differential thermal expansion coefficient and differential pressure.
    • [解决手段]一种固体氧化物型燃料电池装置,其特征在于,具备:具有板状的第1固体电解质体,设置在该第1固体电解质体的一侧且与燃料气体接触的燃料电极的燃料电池, 设置在第一固体电解质体的另一侧并与氧化剂气体接触。 所述固体氧化物型燃料电池装置还包括电池追随变形构件,所述电池追随变形构件相对于第一堆叠方向位于所述燃料电池的相对侧中的至少一个上,沿着所述第一堆叠方向,所述燃料电极,所述第一固体电解质主体和所述空气 电极堆叠在一起。 基于包括差热膨胀系数和差压的物理量中的至少一个,电池追随变形构件根据燃料电池的变形而变形。