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    Gas sensor element and gas sensor
    1.
    发明授权
    Gas sensor element and gas sensor 有权
    气体传感器元件和气体传感器

    公开(公告)号：US08992752B2

    公开(公告)日：2015-03-31

    申请号：US13401221

    申请日：2012-02-21

    申请人： Masaki Onkawa ,  Shigehiro Otsuka ,  Seiji Oya ,  Satoshi Teramoto ,  Kuniharu Tanaka ,  Takeshi Mitsuoka

    发明人： Masaki Onkawa ,  Shigehiro Otsuka ,  Seiji Oya ,  Satoshi Teramoto ,  Kuniharu Tanaka ,  Takeshi Mitsuoka

    IPC分类号： G01N27/407

    CPC分类号： G01N27/4077

    摘要： There is provided a gas sensor element for detecting the concentration of a specific gas component in gas under measurement, which includes a plate-shaped element body and a porous protection layer. The element body has, at one end portion thereof, a gas sensing portion formed with a solid electrolyte substrate and a pair of electrodes. The porous protection layer has a porous structure formed of ceramic particles and surrounds at least the circumference of the one end portion of the element body. In the present invention, the porous protection layer has an inner region, an intermediate region and an outer region laminated together in order of mention from the element body toward the outside. The intermediate region has a porosity lower than those of the inner and outer regions. There is also provided a gas sensor with such a gas sensor element.

    摘要翻译： 提供了一种气体传感器元件，用于检测测量气体中特定气体成分的浓度，包括板状元件体和多孔保护层。 元件体的一端具有形成有固体电解质基板和一对电极的气体检测部。 多孔保护层具有由陶瓷颗粒形成的多孔结构，并且至少包围元件主体的一个端部的周边。 在本发明中，多孔保护层具有从元件体朝向外侧依次层叠的内部区域，中间区域和外部区域。 中间区域的孔隙率低于内部和外部区域的孔隙率。 还提供了具有这种气体传感器元件的气体传感器。

    Spark plug having particular insulator
    9.
    发明授权
    Spark plug having particular insulator 有权
    具有特定绝缘体的火花塞

    公开(公告)号：US08093791B2

    公开(公告)日：2012-01-10

    申请号：US12598459

    申请日：2009-03-26

    申请人： Hirokazu Kurono ,  Toshitaka Honda ,  Hiroki Takeuchi ,  Takeshi Mitsuoka ,  Kuniharu Tanaka ,  Katsuya Takaoka

    发明人： Hirokazu Kurono ,  Toshitaka Honda ,  Hiroki Takeuchi ,  Takeshi Mitsuoka ,  Kuniharu Tanaka ,  Katsuya Takaoka

    IPC分类号： H01T13/20

    CPC分类号： H01T13/38 ,  C04B35/111 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3418 ,  C04B2235/5436 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/96 ,  H01B1/12

    摘要： An object of the invention is to provide a spark plug including an insulator which is difficult to cause breakdown and exhibits higher withstand voltage characteristics. This invention relates to a spark plug 1 including a center electrode 2, an insulator 3 and a grounding electrode 6, wherein the insulator is formed by an alumina-based sintered body which has a theoretical density ratio of 95.0% or more, which contains a rare earth element component, Si component, and at least two kinds of Group 2 element (2A) components, and in which the rare earth element being dispersed so as to satisfy the following condition: when 7 places of measurement line (measurement length: 180 μm) are selected in the alumina-based sintered body and the rare earth element (RE) present in each of selected measurement lines is analyzed with an energy dispersion method, a total number of measurement lines in which 8 or more peaks derived from the rare earth element (RE) are observed is 4 places or more of the 7 places.

    摘要翻译： 本发明的目的是提供一种火花塞，其包括难以引起击穿并且具有更高的耐受电压特性的绝缘体。 本发明涉及一种火花塞1，其包括中心电极2，绝缘体3和接地电极6，其中绝缘体由理论密度比为95.0％以上的氧化铝基烧结体形成，该氧化铝基烧结体含有 稀土元素成分，Si成分，以及至少2种2族元素（2A）成分，稀土类元素分散以满足以下条件：条件>当测量线7（测量值） 长度：180μm），并且使用能量分散法分析存在于所选择的测量线中的稀土元素（RE），其中8个或更多个峰衍生的测量线的总数 从稀土元素（RE）观察到的是7个地方的4个或更多个。

    SPARK PLUG
    10.
    发明申请
    SPARK PLUG 有权
    SPARK插头

    公开(公告)号：US20100084960A1

    公开(公告)日：2010-04-08

    申请号：US12598459

    申请日：2009-03-26

    申请人： Hirokazu Kurono ,  Toshitaka Honda ,  Hiroki Takeuchi ,  Takeshi Mitsuoka ,  Kuniharu Tanaka ,  Katsuya Takaoka

    发明人： Hirokazu Kurono ,  Toshitaka Honda ,  Hiroki Takeuchi ,  Takeshi Mitsuoka ,  Kuniharu Tanaka ,  Katsuya Takaoka

    IPC分类号： H01T13/20

    CPC分类号： H01T13/38 ,  C04B35/111 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3418 ,  C04B2235/5436 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/96 ,  H01B1/12

    摘要： An object of the invention is to provide a spark plug including an insulator which is difficult to cause breakdown and exhibits higher withstand voltage characteristics. This invention relates to a spark plug 1 including a center electrode 2, an insulator 3 and a grounding electrode 6, wherein the insulator is formed by an alumina-based sintered body which has a theoretical density ratio of 95.0% or more, which contains a rare earth element component, Si component, and at least two kinds of Group 2 element (2A) components, and in which the rare earth element being dispersed so as to satisfy the following condition: when 7 places of measurement line (measurement length: 180 μm) are selected in the alumina-based sintered body and the rare earth element (RE) present in each of selected measurement lines is analyzed with an energy dispersion method, a total number of measurement lines in which 8 or more peaks derived from the rare earth element (RE) are observed is 4 places or more of the 7 places.

    摘要翻译： 本发明的目的是提供一种火花塞，其包括难以引起击穿并且具有更高的耐受电压特性的绝缘体。 本发明涉及一种火花塞1，其包括中心电极2，绝缘体3和接地电极6，其中绝缘体由理论密度比为95.0％以上的氧化铝基烧结体形成，该氧化铝基烧结体含有 稀土元素成分，Si成分，以及至少2种2族元素（2A）成分，稀土类元素分散以满足以下条件：条件>当测量线7（测量值） 长度：180μm），并且使用能量分散法分析存在于所选择的测量线中的稀土元素（RE），其中8个或更多个峰衍生的测量线的总数 从稀土元素（RE）观察到的是7个地方的4个或更多个。