会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明公开
    • Ignition plug
    • 点火塞
    • EP2770593A3
    • 2015-09-09
    • EP14155975.7
    • 2014-02-20
    • NGK Sparkplug Co., Ltd.
    • Sakakura, YasushiMatsunaga, Yuichi
    • H01T13/36H01T13/08
    • H01T13/20H01T13/08H01T13/36
    • [Means for Solution]
      An ignition plug has a center electrode, an insulator, and a metallic shell. The metallic shell (50) has a crimp portion (53) having a crimped rear end portion, a male screw portion (52), a seat portion (54) located on the crimp portion side of the male screw portion and expanding radially, and a bent portion (58) located on the crimp portion side of the seat portion. The bent portion (58) has a largest outer diameter portion, and first and second smallest outer diameter portions. In the bent portion (58) on a cross section containing the center axis, 0.01 ≤ (L2+L3-L1)/(L2+L3) ≤ 0.3 is satisfied, where L1 is the distance between a point in the first smallest outer diameter portion farthest from the center axis and a point in the second smallest outer diameter portion farthest from the center axis, L2 is the distance between the point in the first smallest outer diameter portion farthest from the center axis and a point in the largest outer diameter portion farthest from the center axis, and L3 is the distance between the point in the second smallest outer diameter portion farthest from the center axis and the point in the largest outer diameter portion farthest from the center axis.
    • [解决手段]火花塞具有中心电极,绝缘体和金属壳。 主体配件50具有:铆接后端部的铆接部53,外螺纹部52,位于外螺纹部的铆接部侧的放射状扩径的座部54, 位于座位部分的压接部分侧的弯曲部分(58)。 弯曲部分(58)具有最大外径部分以及第一和第二最小外径部分。 在包含中心轴线的横截面上的弯曲部分(58)中,满足0.01≤(L2 + L3-L1)/(L2 + L3)≤0.3,其中L1是第一最小外径 距中心轴最远的部分和离中心轴最远的第二最小外径部分中的点的距离,L2是离中心轴线最远的第一最小外径部分中的点与最大外径部分中的点之间的距离 离中心轴最远的距离,L3是离中心轴最远的第二小外径部中的点与离中心轴最远的最大外径部中的点之间的距离。
    • 4. 发明公开
    • IGNITION SYSTEM AND SPARK PLUG
    • 祖德兰德省ZÜNDANLAGE
    • EP2615704A1
    • 2013-07-17
    • EP11823325.3
    • 2011-07-11
    • NGK Sparkplug Co., Ltd.
    • KATSURAYA KoheiNAKAYAMA Katsutoshi
    • H01T13/50F02P3/00F02P3/01H01T13/20
    • F02P3/01F02P9/007H01T13/40H01T13/50
    • An ignition system (31) includes a spark plug (1), a discharge power supply (32), and an AC power supply (33). The spark plug (1) includes an insulator (2) having an axial hole (4), an electrode (8) disposed in the axial hole (4) and having a tip end located frontward of a tip end of the insulator (2), a metal shell (3) disposed on a periphery of the insulator (2), and a ground electrode (27) fixed to a tip end portion of the metal shell (3) and forming a spark discharge gap (28) between the tip end portion of the electrode (8) and the ground electrode (27). Voltage from the discharge power supply (32) and AC power from the AC power supply (33) are supplied to the spark discharge gap (28) through the electrode (8), and the AC power from the AC power supply (33) is applied to a spark generated by the voltage from the discharge power supply (32) in the spark discharge gap (28). Consequently, energy is efficiently applied to a spark without causing an increase in manufacturing cost, and ignitability can be dramatically improved.
    • 点火系统(31)包括火花塞(1),放电电源(32)和交流电源(33)。 火花塞(1)包括具有轴向孔(4)的绝缘体(2),设置在轴向孔(4)中的电极(8),并且具有位于绝缘体(2)的前端的前端的末端, ,设置在所述绝缘体(2)的周围的金属壳(3)和固定到所述金属壳(3)的前端部的接地电极(27),并且在所述端子之间形成火花放电间隙(28) 电极(8)的端部和接地电极(27)。 来自放电电源(32)的电压和来自交流电源(33)的AC电力通过电极(8)供给到火花放电间隙(28),来自交流电源(33)的交流电力为 施加到由火花放电间隙(28)中的放电电源(32)的电压产生的火花。 因此,能量被有效地施加到火花上而不会导致制造成本的增加,并且可以显着提高点火性。
    • 5. 发明公开
    • Gas sensor apparatus and concentration measurement method
    • Gassensorvorrichtung und Konzentrationsmessverfahren
    • EP2557418A1
    • 2013-02-13
    • EP12179728.6
    • 2012-08-08
    • NGK Sparkplug Co., Ltd.
    • Tsuduki, MasaoTajima, TomohiroIto, Ginjirou
    • G01N27/407G01N27/416G01N33/00
    • G01N27/4163G01N27/407
    • A gas sensor apparatus includes a gas sensor which outputs an output value corresponding to the concentration of a specific gas component contained in a gas; a pressure sensor which measures the pressure of the gas; and a computation section which computes a value representing the concentration of the specific gas component on the basis of the output value from the gas sensor and the pressure of the gas measured by the pressure sensor. The computation section computes a concentration value using an expression which is derived from Fick's law and is a function of the output value and the pressure value, computes a correction value on the basis of a correction term which is a function of the provisional specific-component concentration and the pressure value, and corrects the provisional specific-component concentration using the correction value in order to compute the concentration value of the specific gas component.
    • 气体传感器装置包括气体传感器,其输出与气体中包含的特定气体成分的浓度对应的输出值; 测量气体压力的压力传感器; 以及计算部,其基于来自气体传感器的输出值和由压力传感器测量的气体的压力来计算表示特定气体成分的浓度的值。 计算部分使用从菲克定律导出的表达式计算浓度值,并且是输出值和压力值的函数,基于作为临时特定成分的函数的校正项计算校正值 浓度和压力值,并使用校正值校正临时特异性成分浓度,以便计算特定气体成分的浓度值。
    • 7. 发明公开
    • METHOD FOR MANUFACTURING SPARK PLUG AND DEVICE FOR MANUFACTURING SPARK PLUG
    • 制造火花塞的方法和用于制造火花塞的装置
    • EP2337172A1
    • 2011-06-22
    • EP09818919.4
    • 2009-09-24
    • NGK Sparkplug Co., Ltd.
    • KURE, KeisukeENUMA, Masahiro
    • H01T13/20H01T21/02H01T21/06
    • H01T21/02H01T13/32H01T21/06H01T23/00
    • Even after a metallic shell and an insulator are assembled together, a ground electrode can be bent at a position closer to the proximal end thereof, and a spark discharge gap can be formed accurately. A bending apparatus 51 used in a process of manufacturing a spark plug includes a pre-bending apparatus 61, a main bending apparatus 71, and a gap adjustment apparatus 81. The pre-bending apparatus 61 includes first deformation prevention means which has a curved surface portion corresponding to a bent shape of the ground electrode and prevents deformation of the ground electrode, and a roller which presses the ground electrode against the curved surface portion to thereby perform pre-bending work on the ground electrode. The main bending apparatus 71 includes second deformation prevention means for preventing deformation of the ground electrode, and pressing means for performing main bending work on the ground electrode. The gap adjustment apparatus 81 includes gap adjustment means for relatively moving a distal end portion of the ground electrode in relation to the center electrode along a direction perpendicular to an axis.
    • 即使在将金属壳和绝缘体组装在一起之后,接地电极也可以在更靠近其近端的位置处弯曲,并且可以精确地形成火花放电间隙。 在制造火花塞的过程中使用的弯曲装置51包括预弯曲装置61,主弯曲装置71和间隙调整装置81.预弯曲装置61包括第一变形防止装置,该第一变形防止装置具有弯曲表面 对应于接地电极的弯曲形状并且防止接地电极变形的部分以及将接地电极压靠在弯曲表面部分上从而对接地电极执行预弯曲工作的辊。 主弯曲设备71包括用于防止接地电极变形的第二变形防止装置和用于对接地电极执行主弯曲加工的加压装置。 间隙调整装置81包括间隙调整装置,用于使接地电极的远端部分相对于中心电极沿垂直于轴线的方向相对地移动。
    • 8. 发明公开
    • Glow plug
    • Glühkerze
    • EP2105671A2
    • 2009-09-30
    • EP09156542.4
    • 2009-03-27
    • NGK Sparkplug Co., Ltd.
    • Itoh, ShinsukeMaeda, ShunsukeSuda, MasanoriMatsuoka, Toshiyuki
    • F23Q7/00
    • F23Q7/001F02P19/028F23Q2007/002
    • A glow plug comprising a pressure sensor with a reduced pressure load due to temperature changes is provided.
      A glow plug includes a pressure sensor (830) and a heater (150). The glow plug includes a position-defining member which defines the positional relation between the pressure sensor (830) and the heater (150) and has a coefficient of thermal expansion greater than that of the heater. The pressure sensor (830) is fixed at a predetermined sensor reference position which refers to the position-defining member. The heater (150) is held in such a manner that an attachment position A on the heater can displace from a predetermined heater reference position A which refers to the position-defining member. A displacement transmission member (840) is provided between the heater (150) and the pressure sensor (830) so as to transmit a displacement of the heater (150) to the pressure sensor (830). The coefficient of thermal expansion of the displacement transmission member (840) is rendered greater than that of the position-defining member.
    • 提供一种电热塞,其包括由于温度变化而具有减压负载的压力传感器。 电热塞包括压力传感器(830)和加热器(150)。 电热塞包括限定了压力传感器(830)和加热器(150)之间的位置关系并且具有大于加热器的热膨胀系数的位置限定件。 压力传感器(830)固定在参考位置限定构件的预定的传感器基准位置。 加热器(150)保持在加热器上的安装位置A可以从参考位置限定部件的预定加热器基准位置A移位。 在加热器(150)和压力传感器(830)之间设置有位移传递构件(840),以将加热器(150)的位移传递到压力传感器(830)。 位移传递构件(840)的热膨胀系数大于位置限定构件的热膨胀系数。