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公开(公告)号：US06672137B1
公开(公告)日：2004-01-06
申请号：US09869263
申请日：2001-09-27
IPC分类号： G01N900
CPC分类号： G01N27/4077 , G01N33/0039 , Y02A50/247
摘要： The oxygen sensor of the present invention has excellent durability capable of effectively preventing contamination with lead or the like for a detection electrode even in low temperature exhaust gases, and having stable response over a long period of time. The contamination preventive layer provided in the sensor device comprises composite powders having coarse powders covered therearound with fine powders, and hollows not filled with fine powders are scattered in gaps among the composite powders. Both the coarse and fine powders comprise ceramic powders. Further, it is particularly preferred that the ceramic powders are powders of a titania powder having a peak at 1 &mgr;m or less and a composite ceramic powder containing alumina such as spinel having a peak at 10 &mgr;m or more. The contamination preventive layer can be formed by coating a slurry containing ceramic powders of different specific surface areas, an organic binder and a solvent such as methanol on the surface of the electrode protection layer followed by drying.
摘要翻译： 本发明的氧传感器具有优异的耐久性，即使在低温废气中也能够有效地防止铅等检测电极的污染，并且长期稳定的响应。 设置在传感器装置中的防污染层包括具有细粉末的粗粉末的复合粉末，并且未填充有细粉末的中空部分散布在复合粉末之间的间隙中。 粗粉末和细粉末都包括陶瓷粉末。 此外，特别优选的是，陶瓷粉末是具有1mum以下的峰值的二氧化钛粉末的粉末，以及含有10个以上的峰值的尖晶石等的氧化铝的复合陶瓷粉末。 防污层可以通过在电极保护层的表面上涂布含有不同比表面积的陶瓷粉末，有机粘合剂和溶剂如甲醇的浆料，然后干燥而形成。
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公开(公告)号：US07254985B2
公开(公告)日：2007-08-14
申请号：US10609553
申请日：2003-07-01
CPC分类号： G01N27/4077 , G01N33/0039 , Y02A50/247
摘要： The oxygen sensor of the present invention has excellent durability capable of effectively preventing contamination with lead or the like for a detection electrode even in low temperature exhaust gases, and having stable response over a long period of time. The contamination preventive layer provided in the sensor device comprises composite powders having coarse powders covered therearound with fine powders, and hollows not filled with fine powders are scattered in gaps among the composite powders. Both the coarse and fine powders comprise ceramic powders. Further, it is particularly preferred that the ceramic powders are powders of a titania powder having a peak at 1 μm or less and a composite ceramic powder containing alumina such as spinel having a peak at 10 μm or more. The contamination preventive layer can be formed by coating a slurry containing ceramic powders of different specific surface areas, an organic binder and a solvent such as methanol on the surface of the electrode protection layer followed by drying.
摘要翻译： 本发明的氧传感器具有优异的耐久性，即使在低温废气中也能够有效地防止铅等检测电极的污染，长时间稳定的响应。 设置在传感器装置中的防污染层包括具有细粉末的粗粉末的复合粉末，并且未填充有细粉末的中空部分散布在复合粉末之间的间隙中。 粗粉末和细粉末都包括陶瓷粉末。 此外，特别优选的是，陶瓷粉末是具有1mum以下的峰值的二氧化钛粉末的粉末，以及含有10个以上的峰值的尖晶石等的氧化铝的复合陶瓷粉末。 防污层可以通过在电极保护层的表面上涂布含有不同比表面积的陶瓷粉末，有机粘合剂和溶剂如甲醇的浆料，然后干燥而形成。
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公开(公告)号：US06544586B1
公开(公告)日：2003-04-08
申请号：US09249370
申请日：1999-02-12
申请人： Takayoshi Atsumi , Koji Shiono
发明人： Takayoshi Atsumi , Koji Shiono
IPC分类号： B05D512
CPC分类号： G01N27/4077
摘要： A gas sensor element includes a solid electrolyte layer having a plurality of projections formed on its outer surface, an inner electrode formed on the inner surface of the solid electrolyte layer, an outer electrode formed on the outer surface of the solid electrolyte layer, an outer electrode formed on the outer surface of the solid electrolyte layer and a spinel protection layer formed on the outer electrode for protection. The projections are formed on the outer surface of the solid electrolyte layer such that they are formed in a single layer; an area occupied by the projections accounts for 10% to 85% of the outer surface of the solid electrolyte layer and the distance between the neighboring projections is 5 &mgr;m to 300 &mgr;m. Thus, the outer electrode is formed on the solid electrolyte layer in such a manner as to penetrate into pits formed between neighboring projections and is thus strongly bonded to the solid electrolyte layer, thereby improving thermal durability. Also, since pores are hardly formed or are not formed at all between projections, a strong bond is established among the solid electrolyte layer, the outer electrode, and the protection layer, thereby improving durability against high temperature and high humidity.
摘要翻译： 气体传感器元件包括：固体电解质层，其外表面上形成有多个突起，形成在固体电解质层的内表面上的内电极，形成在固体电解质层的外表面上的外电极， 形成在固体电解质层的外表面上的电极和形成在外部电极上用于保护的尖晶石保护层。 突起形成在固体电解质层的外表面上，使得它们形成为单层; 突起所占的面积占固体电解质层外表面的10％〜85％，相邻突起之间的距离为5〜300μm。 因此，外部电极以固体电解质层形成为贯穿形成在相邻突起之间的凹坑的方式形成，因此牢固地结合到固体电解质层，从而提高热耐久性。 此外，由于孔几乎不形成，也不会形成在突起之间，所以在固体电解质层，外部电极和保护层之间形成牢固的结合，从而提高耐高温和高湿度的耐久性。
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公开(公告)号：US08097137B2
公开(公告)日：2012-01-17
申请号：US12204947
申请日：2008-09-05
申请人： Koji Shiono , Kunio Imai
发明人： Koji Shiono , Kunio Imai
IPC分类号： G01N27/406
CPC分类号： G01N27/4073
摘要： To provide a gas sensor element having a base body whose durability is unlikely to deteriorate during the use and exhibiting excellent endurance and responsiveness.[Means for Solution] A gas sensor element 2 comprising: a closed-bottomed cylindrical base body 28 made of solid electrolyte which contains zirconia as a principal component; an outer electrode 26 formed on an outer surface of the base body 28; an inner electrode 27 formed on an inner surface of the base body 28; and an adhesive layer 29 formed between the base body 28 and the outer electrode 26 and containing zirconia as a principal component, wherein a proportion of tetragonal in zirconia particles of the base body 28 falls within the range from 45% or more to 60% or less and, wherein a proportion of tetragonal in zirconia particles of the adhesive layer 29 is greater than that of tetragonal in zirconia particles of the base body 28.
摘要翻译： 提供一种具有基体的气体传感器元件，其耐久性在使用期间不可能劣化并且具有优异的耐久性和响应性。 [解决方案]一种气体传感器元件2，包括：由含有氧化锆作为主要成分的固体电解质制成的封闭圆筒形基体28; 形成在基体28的外表面上的外电极26; 形成在基体28的内表面上的内电极27; 以及形成在基体28和外部电极26之间并且含有氧化锆作为主要成分的粘合剂层29，其中基体28的氧化锆颗粒中的四方晶格的比例在45％以上至60％以下，或者 较少，并且其中粘合剂层29的氧化锆颗粒中的四方晶系的比例大于基体28的氧化锆颗粒中的四方晶的比例。
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公开(公告)号：US20100059374A1
公开(公告)日：2010-03-11
申请号：US12204947
申请日：2008-09-05
申请人： Koji Shiono , Kunio Imai
发明人： Koji Shiono , Kunio Imai
IPC分类号： G01N27/26
CPC分类号： G01N27/4073
摘要： To provide a gas sensor element having a base body whose durability is unlikely to deteriorate during the use and exhibiting excellent endurance and responsiveness.[Means for Solution] A gas sensor element 2 comprising: a closed-bottomed cylindrical base body 28 made of solid electrolyte which contains zirconia as a principal component; an outer electrode 26 formed on an outer surface of the base body 28; an inner electrode 27 formed on an inner surface of the base body 28; and an adhesive layer formed between the base body 28 and the outer electrode and containing zirconia as a principal component, wherein a proportion of tetragonal in zirconia particles of the base body 28 falls within the range from 45% or more to 60% or less and, wherein a proportion of tetragonal in zirconia particles of the adhesive layer 29 is greater than that of tetragonal in zirconia particles of the base body 28.
摘要翻译： 提供一种具有基体的气体传感器元件，其耐久性在使用期间不可能劣化并且具有优异的耐久性和响应性。 [解决方案]一种气体传感器元件2，包括：由含有氧化锆作为主要成分的固体电解质制成的封闭圆筒形基体28; 形成在基体28的外表面上的外电极26; 形成在基体28的内表面上的内电极27; 以及形成在基体28和外部电极之间并且含有氧化锆作为主要成分的粘合剂层，其中基体28的氧化锆颗粒中的四方晶格的比例在45％以上至60％以下的范围内， 其中粘合层29的四方晶系氧化锆颗粒的比例大于基体28的氧化锆颗粒中的四方晶的比例。
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公开(公告)号：US08257564B2
公开(公告)日：2012-09-04
申请号：US11288372
申请日：2005-11-29
申请人： Kentaro Mori , Koji Shiono
发明人： Kentaro Mori , Koji Shiono
IPC分类号： G01N27/407
CPC分类号： G01N27/4077
摘要： A gas sensor comprising: a gas detecting element extending in an axial direction and including a detecting electrode provided on an outer surface of a leading end side of the gas detecting element, and a lead portion connecting to the detecting electrode and extending toward a rear end side of the gas detecting element; a cylindrical metal shell housing the gas detecting element such that the gas detecting element protrudes from a leading end side of the metal shell; a powder layer filling a gap between the gas detecting element and the metal shell and covering at least a portion of the lead portion; and an insulating layer provided between the powder layer and the lead portion. Also disclosed is a method for manufacturing the gas sensor which includes forming the insulating layer by at least: applying a glass paste; drying the glass paste; and heat-treating the glass paste.
摘要翻译： 一种气体传感器，包括：沿轴向延伸的气体检测元件，并且包括设置在所述气体检测元件的前端侧的外表面上的检测电极和连接到所述检测电极并且朝向后端延伸的引线部分 气体检测元件侧; 容纳气体检测元件的圆柱形金属壳，使得气体检测元件从金属壳的前端侧突出; 填充气体检测元件和金属壳体之间的间隙并覆盖引线部分的至少一部分的粉末层; 以及设置在粉末层和引线部分之间的绝缘层。 还公开了一种用于制造气体传感器的方法，该方法包括通过至少施加玻璃浆料来形成绝缘层; 干燥玻璃糊; 并对玻璃浆进行热处理。
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公开(公告)号：US20060113188A1
公开(公告)日：2006-06-01
申请号：US11288372
申请日：2005-11-29
申请人： Kentaro Mori , Koji Shiono
发明人： Kentaro Mori , Koji Shiono
IPC分类号： G01N27/26
CPC分类号： G01N27/4077
摘要： A gas sensor comprising: a gas detecting element extending in an axial direction and including a detecting electrode provided on an outer surface of a leading end side of the gas detecting element, and a lead portion connecting to the detecting electrode and extending toward a rear end side of the gas detecting element; a cylindrical metal shell housing the gas detecting element such that the gas detecting element protrudes from a leading end side of the metal shell; a powder layer filling a gap between the gas detecting element and the metal shell and covering at least a portion of the lead portion; and an insulating layer provided between the powder layer and the lead portion. Also disclosed is a method for manufacturing the gas sensor which includes forming the insulating layer by at least: applying a glass paste; drying the glass paste; and heat-treating the glass paste.
摘要翻译： 一种气体传感器，包括：沿轴向延伸的气体检测元件，并且包括设置在所述气体检测元件的前端侧的外表面上的检测电极和连接到所述检测电极并且朝向后端延伸的引线部分 气体检测元件侧; 容纳气体检测元件的圆柱形金属壳，使得气体检测元件从金属壳的前端侧突出; 填充气体检测元件和金属壳体之间的间隙并覆盖引线部分的至少一部分的粉末层; 以及设置在粉末层和引线部分之间的绝缘层。 还公开了一种用于制造气体传感器的方法，该方法包括通过至少施加玻璃浆料来形成绝缘层; 干燥玻璃糊; 并对玻璃浆进行热处理。
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