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1. 发明专利

JP2011237356A Gas sensor element and gas sensor with the same built in 有权
标题翻译：气体传感器元件和与此相同的气体传感器
公开(公告)号：JP2011237356A
公开(公告)日：2011-11-24
申请号：JP2010110780
申请日：2010-05-13
申请人： Denso Corp , 株式会社デンソー
发明人： SU SHENZHOU , KOBAYASHI KIYOMI
IPC分类号： G01N27/409
CPC分类号： G01N27/4077
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor element which prevents λ deviation and is excellent in responsibility and to provide a gas sensor incorporating the gas sensor element.SOLUTION: A gas sensor element 10 comprise: at least a solid electrolyte body 100 which is shaped as a cylinder with a bottom and has an oxygen ion conductivity; a standard electrode 110; a measurement electrode 120; and electrode protection layers 130, 140 and 150 for supporting noble metal catalyst an a heater 20. The amount of the noble metal catalyst contained in the electrode protection layers 130, 140, and 150 is set such that the position (bottom) at which the increase rate of the temperature due to heating by the heater 20 is fast contains less amount of the noble metal catalyst, while the position (base) at which the increase rate of the temperature due to heating by the heater 20 is slow contains more amount of the noble metal catalyst.
摘要翻译：要解决的问题：提供一种防止λ偏差并且责任性优异的气体传感器元件，并提供并入有气体传感器元件的气体传感器。解决方案：气体传感器元件10包括：至少固体电解质体100，其形状为具有底部并具有氧离子传导性的圆柱体; 标准电极110; 测量电极120; 以及用于将贵金属催化剂负载于加热器20的电极保护层130,140和150.包含在电极保护层130,140和150中的贵金属催化剂的量被设定为使得位于（底部）由于加热器20的加热引起的温度的升高速度快，所以含有较少量的贵金属催化剂，而加热器20的加热引起的温度升高速度的位置（基底）含有较多量的贵金属催化剂。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2010204088A Solid electrolyte for gas sensor, method of producing the same, and gas sensor using the same 有权
标题翻译：用于气体传感器的固体电解质，其制造方法和使用该气体传感器的气体传感器
公开(公告)号：JP2010204088A
公开(公告)日：2010-09-16
申请号：JP2009280112
申请日：2009-12-10
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： KOIKE KAZUHIKO , KOBAYASHI KIYOMI
IPC分类号： G01N27/409 , C04B35/48 , G01N27/41 , G01N27/416
CPC分类号： C04B35/4885 , C04B2235/3225 , C04B2235/6025 , C04B2235/656 , C04B2235/77 , C04B2235/785 , C04B2235/786 , C04B2235/85 , C04B2235/96 , C04B2235/9607 , G01N27/4075
摘要： PROBLEM TO BE SOLVED: To provide a solid electrolyte for a gas sensor that has high ion conductivity and high thermal shock resistance, and suppresses low-temperature degradation, a method of producing the same, and a gas sensor using the same. SOLUTION: A solid electrolyte 1 is made of zirconia 2 with alumina 3 dispersed in at least a grain boundary of the zirconia using yttria. In the solid electrolyte 1, the yttria content per zirconia 2 content is within a range of 2 to 10 mol%, alumina 3 content per the whole solid electrolyte 1 is 5-25 mass%, the relative density is not less than 93%. The average particle size Rz of the zirconia 2 is not more than 2 μm, an average particle size Ra of the alumina 3 is not more than 1 μm. The average particle size Ra of the alumina 3 is smaller than the average particle size Rz of the zirconia 2. An average distance value A La between the alumina 3 grains is not more than 2 μm, and a standard deviation S La thereof is not more than 0.8. The average particle size Rz, average value A La , and standard deviation S La satisfy a relationship of (S La /A La )×Rz≤0.9. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高离子传导性和高耐热冲击性，并且抑制低温劣化的气体传感器的固体电解质，其制造方法和使用该固体电解质的气体传感器。解决方案：固体电解质1由氧化铝2制成，氧化铝3使用氧化钇分散在氧化锆的至少晶界中。在固体电解质1中，氧化锆2的氧化钇含量在2〜10摩尔％的范围内，整个固体电解质1的氧化铝3含量为5〜25质量％，相对密度为93％以上。氧化锆2的平均粒径Rz不大于2μm，氧化铝3的平均粒径Ra不大于1μm。氧化铝3的平均粒径Ra小于氧化锆2的平均粒径Rz。氧化铝3晶粒之间的平均距离值A La 不大于2μm，标准其偏差S La 不大于0.8。平均粒径Rz，平均值A La 和标准偏差S La 满足关系式（S La / A La ）×Rz≤0.9。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009014372A Gas sensor 审中-公开
标题翻译：气体传感器
公开(公告)号：JP2009014372A
公开(公告)日：2009-01-22
申请号：JP2007173803
申请日：2007-07-02
申请人： Denso Corp , 株式会社デンソー
发明人： KIMATA TAKEHITO , KOBAYASHI KIYOMI
IPC分类号： G01N27/409
摘要： PROBLEM TO BE SOLVED: To reduce lowering in an electric insulating property between an electrode part of an insulator heater and a reference electrode metal connected to a reference electrode layer in an inside of a sensor element. SOLUTION: This gas sensor 1 includes a housing 2, the cup type sensor element 3 attached to an inside of the housing 2, and the insulator heater 4 for heating the sensor element 3 arranged in a hollow inside of the sensor element 3. Electrode parts 4a, 4b provided in the insulator heater 4 are brazedly connection-fixed to lead wires 23, 24 for supplying electric power to the electrode parts 4a, 4b, by silver alloy brazing materials 27, 28 of addition metal containing one kind or two kinds or more selected from an addition metal group comprising silver, gold, platinum, palladium and iron, and containing at least 30 wt.% or more, preferably 50-90 wt.% thereof. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了减少绝缘加热器的电极部分与连接到传感器元件内部的参考电极层的参考电极金属之间的电绝缘性能的降低。解决方案：该气体传感器1包括壳体2，安装在壳体2内部的杯型传感器元件3和用于加热布置在传感器元件3的中空内部的传感器元件3的绝缘体加热器4 设置在绝缘体加热器4中的电极部分4a，4b被钎焊地连接固定到用于向电极部分4a，4b提供电力的引线23,24，其中银合金钎焊材料27,28包含一种或多种选自包含银，金，铂，钯和铁的添加金属组，并且含有至少30重量％或更多，优选50-90重量％的两种或更多种。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008281584A Oxygen sensor element 审中-公开
标题翻译：氧气传感器元件
公开(公告)号：JP2008281584A
公开(公告)日：2008-11-20
申请号：JP2008214908
申请日：2008-08-25
申请人： Denso Corp , 株式会社デンソー
发明人： KATABUCHI TORU , KOBAYASHI KIYOMI , FUJII NAMITSUGU , SANO HIROMI
IPC分类号： G01N27/409
摘要： PROBLEM TO BE SOLVED: To provide an oxygen sensor element having a short activation time and high response. SOLUTION: The oxygen sensor element includes: a solid electrolyte body 10 provided with a reference gas chamber 18 for keeping a heater 19 inserted; a measuring electrode 11, and a reference electrode 12. The oxygen sensor element has a contact portion 100 that includes a region of contact between an inner surface 102 and the heater 19 and an opposed region including an outer surface 101, and the measuring electrode 11 is formed so as to include at least part of the contact portion 100. The oxygen sensor element has a contact surface 13 for making a contact with a gas to be measured, and the contact surface 13 extends so as to fall within a range of length L from an element tip 14. At least a part of the contact portion 100 is located so as to fall within a range of length 0.4L from the element tip 14. The measuring electrode 11 is provided so as to fall within a range of length 0.8L from the element tip 14. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有短激活时间和高响应的氧传感器元件。解决方案：氧传感器元件包括：固体电解质体10，其设置有用于保持加热器19插入的参考气体室18; 测量电极11和参考电极12.氧传感器元件具有包括内表面102和加热器19之间的接触区域的接触部分100和包括外表面101的相对区域，测量电极11 形成为包括接触部分100的至少一部分。氧传感器元件具有用于与要测量的气体接触的接触表面13，并且接触表面13延伸以落在长度的范围内 L。接触部分100的至少一部分被定位成从元件尖端14落入长度为0.4L的范围内。测量电极11设置成在长度范围内 0.8L从元件尖端14.版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2012078345A Gas sensor element and manufacturing method of the same 有权
标题翻译：气体传感器元件及其制造方法
公开(公告)号：JP2012078345A
公开(公告)日：2012-04-19
申请号：JP2011145453
申请日：2011-06-30
申请人： Denso Corp , 株式会社デンソー
发明人： KOBAYASHI KIYOMI , SO SHINSHU
IPC分类号： G01N27/409
CPC分类号： G01N27/4073
摘要： PROBLEM TO BE SOLVED: To improve durability of a gas sensor element for detecting a concentration of a specific gas component in a measurement object gas.SOLUTION: The gas sensor element 10 at least includes a solid electrolyte base material 100 with oxygen ion conductive and an electrode layer 110 formed on a surface of the solid electrolyte base material 100, and detects the concentration of the specific gas component in the measurement object gas. Closed pores Phaving average pore size of 5 nm or more and 120 nm or less are dispersed in the electrode layer 110. Total area of the closed pores Pobserved in a cross section of the electrode layer 110 is 1% or more and 18% or less in terms of the cross sectional area of the electrode layer. At least 90% of the closed pores Pare dispersed in metal particles constituting the electrode layer 110. Mass transfer under heated environment is suppressed by dispersing the nano-sized closed pores Pin the metal particles MG. Consequently, coagulation of the metal particles MG constituting the electrode layer 110 is suppressed so as to improve the durability.
摘要翻译：要解决的问题：提高用于检测测量对象气体中特定气体成分浓度的气体传感器元件的耐久性。解决方案：气体传感器元件10至少包括具有氧离子导电性的固体电解质基材100和形成在固体电解质基材100的表面上的电极层110，并且检测特定气体成分的浓度测量对象气体。平均孔径为5nm以上且120nm以下的闭孔P CLS 分散在电极层110中。封闭孔的总面积P CLS 以电极层的横截面积为1％以上且18％以下。至少90％的闭孔P CLS 分散在构成电极层110的金属颗粒中。在加热环境下的质量传递通过将纳米尺寸的闭孔P < SB POS =“POST”> CLS 。因此，抑制构成电极层110的金属颗粒MG的凝结，从而提高耐久性。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2007218894A Gas sensor element 有权
标题翻译：气体传感器元件
公开(公告)号：JP2007218894A
公开(公告)日：2007-08-30
申请号：JP2006259971
申请日：2006-09-26
申请人： Denso Corp , 株式会社デンソー
发明人： KOBAYASHI KIYOMI , NAKAE MAKOTO , HIROSE TOSHIKAZU
IPC分类号： G01N27/409
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor element for preventing water-induced cracks and securing early activation. SOLUTION: The gas sensor element 1 comprises a solid electrolyte body 2 of oxygen ion conductivity, an electrode 21 on the measured gas side disposed on one surface of the solid electrolyte body 2, an electrode 22 on the reference gas side formed on the other surface of the solid electrolyte body 2, and a heater section 3 laminated on the solid electrolyte body 2. The heater section 3 is formed by forming a heating element 31 for generating heat with current carry on the heater substrate 32, and the heater substrate 32 is laminated on the solid electrolyte body 2. The gas sensor element 1 comprises a porous protective layer 4 formed so as to cover a region exposed to the measured gas on its surface, of a gas inlet 11 for introducing the measured gas into the electrode 21 on the measured gas side. A protective layer non-forming section 5 that does not form the porous protective layer 4 is arranged in at least a part of a heating element side corner 33, which is a side corner of the heater substrate 32 in a region corresponding to the axial length of the heating element 31. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于防止水引起的裂纹和确保早期激活的气体传感器元件。解决方案：气体传感器元件1包括氧离子传导性的固体电解质体2，设置在固体电解质体2的一个表面上的测量气体侧的电极21，在基准气体侧形成的电极22形成在固体电解质体2的另一个表面和层叠在固体电解质体2上的加热器部3.加热部3通过在加热器基板32上形成用于产生热量的加热元件31，衬底32层压在固体电解质体2上。气体传感器元件1包括形成为覆盖暴露于其表面上测量的气体的区域的多孔保护层4，气体入口11用于将测量的气体引入到测量气体侧的电极21。不形成多孔保护层4的保护层非成形部5配置在作为加热基板32的侧角的加热元件侧角部33的与轴向长度对应的区域的至少一部分的加热元件31.版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007218893A Manufacturing method of gas sensor element 有权
标题翻译：气体传感器元件的制造方法
公开(公告)号：JP2007218893A
公开(公告)日：2007-08-30
申请号：JP2006237330
申请日：2006-09-01
申请人： Denso Corp , 株式会社デンソー
发明人： KOBAYASHI KIYOMI , NAKAE MAKOTO , HIROSE TOSHIKAZU
IPC分类号： G01N27/409
摘要： PROBLEM TO BE SOLVED: To obtain a manufacturing method of a gas sensor element for preventing water-induced cracks and securing early activation. SOLUTION: This manufacturing method is used for manufacturing a gas sensor element 1. The gas sensor element 1 has a solid electrolyte body 2, an electrode 21 on the measured gas side, an electrode 22 on the reference gas side, and a heater section 3. The heater section 3 is formed by forming a heating element 31 on a heater substrate 32, the heater substrate 32 is laminated on the solid electrolyte body 2, and the heater section 3 has a porous protective layer 4 formed so as to cover a gas inlet 11 on its surface. A protective layer non-forming section 5 is arranged in a heating element side corner 33, which is a side corner of the heater substrate 32 in a region corresponding to the axial length of the heating element 31. The porous protective layer 4 is formed on the whole surface of the region exposed to the measured gas, of the length region having the gas inlet 11 in the gas sensor element 1, and then at least a part of the porous protective layer 4 formed on the heating element side corner 33 is polished and removed, thereby forming the protective layer non-forming section 5. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：获得用于防止水引起的裂纹和确保早期激活的气体传感器元件的制造方法。解决方案：该制造方法用于制造气体传感器元件1.气体传感器元件1具有固体电解质体2，测量气体侧的电极21，参考气体侧的电极22和加热器部分3通过在加热器基板32上形成加热元件31，加热器基板32层压在固体电解质体2上，加热器部分3具有多孔保护层4，多孔保护层4形成为覆盖其表面上的气体入口11。保护层非成形部分5布置在加热元件侧角部33中，该加热元件侧角部33是加热器基板32的与加热元件31的轴向长度对应的区域的侧角。多孔保护层4形成在在气体传感器元件1中具有气体入口11的长度区域暴露于测量气体的区域的整个表面，然后抛光形成在加热元件侧角部33上的多孔保护层4的至少一部分被抛光并除去，从而形成保护层非成形部分5.版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2013015509A Gas sensor 有权
标题翻译：气体传感器
公开(公告)号：JP2013015509A
公开(公告)日：2013-01-24
申请号：JP2012001028
申请日：2012-01-06
申请人： Denso Corp , 株式会社デンソー
发明人： KOBAYASHI KIYOMI
IPC分类号： G01N27/409
CPC分类号： G01N27/4078
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor capable of preventing the degradation of airtightness in a filling portion between a housing and a gas sensor element or an insulator.SOLUTION: A gas sensor includes: a cylindrical housing 2; a gas sensor element 3 disposed in the housing 2; a filling portion 4 for filling powder filler containing talc which is a layer compound as a principal component between the inner surface of the housing 2 and the outer surface of a sensor structure member 3 disposed in the housing, and sealing the gap between the housing 2 and the sensor structure member 3. The fitting portion 4 is formed by being filled with the powder filler containing talc which is the layer compound as a principal component. A C-axis orientation of the powder filler in the filling portion 4 is 60-85%. A porosity of the filling portion 4 is 10% or less.
摘要翻译：要解决的问题：提供一种能够防止壳体和气体传感器元件或绝缘体之间的填充部分中的气密性劣化的气体传感器。气体传感器包括：圆柱形壳体2; 设置在壳体2内的气体传感器元件3; 填充部分4，用于在壳体2的内表面和设置在壳体中的传感器结构件3的外表面之间填充含有作为主要成分的层化合物的滑石粉的填料部分4，并且密封壳体2 和传感器结构构件3.装配部分4通过填充含有作为主要成分的层化合物的滑石粉的填料形成。填充部分4中的粉末填料的C轴取向为60-85％。填充部4的孔隙率为10％以下。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2008286810A Oxygen sensor element 审中-公开
标题翻译：氧气传感器元件
公开(公告)号：JP2008286810A
公开(公告)日：2008-11-27
申请号：JP2008214907
申请日：2008-08-25
申请人： Denso Corp , 株式会社デンソー
发明人： KATABUCHI TORU , KOBAYASHI KIYOMI , FUJII NAMITSUGU , SANO HIROMI
IPC分类号： G01N27/409
摘要： PROBLEM TO BE SOLVED: To provide an oxygen sensor element that has short activation time and high responsiveness. SOLUTION: The oxygen sensor element comprises a solid electrolyte body 10 having a reference gas chamber 18, a measurement electrode 11, and a reference electrode 12. Also, a heater 19 is inserted and arranged in the reference gas chamber 18. The oxygen sensor element has a contact section 100, comprising a region where an inner surface 102 comes into contact with the heater 19 and an outer surface 101 that faces the region, and the measurement electrode 11 includes at least one portion of the contact section 100. A contacting surface 13 of gas to be measured is provided, in a range with a distance L from an element tip section 14. At least one portion of the contact section 100 is set positioned, within a range of not larger than 0.4 L from the element tip section 14. The measurement electrode 11 is provided only within a range of length 0.8L from the element tip section 14. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有短激活时间和高响应性的氧传感器元件。解决方案：氧传感器元件包括具有参考气室18，测量电极11和参考电极12的固体电解质体10.此外，加热器19插入并布置在参考气体室18中。氧传感器元件具有接触部分100，其包括内表面102与加热器19接触的区域和面向该区域的外表面101，并且测量电极11包括接触部分100的至少一部分。在距离元件末端部分14的距离L的范围内设置被测量气体的接触表面13.接触部分100的至少一部分被设置在不大于0.4L的范围内元件尖端部分14.测量电极11仅设置在距离元件尖端部分14的长度0.8L的范围内。版权所有：（C）2009，JPO＆INPIT

10. 发明专利

JP2008270168A Ceramic heater 审中-公开
标题翻译：陶瓷加热器
公开(公告)号：JP2008270168A
公开(公告)日：2008-11-06
申请号：JP2008015160
申请日：2008-01-25
申请人： Denso Corp , 株式会社デンソー
发明人： KIMATA TAKEHITO , KOBAYASHI KIYOMI
IPC分类号： H05B3/48 , G01N27/409 , H05B3/03 , H05B3/12
摘要： PROBLEM TO BE SOLVED: To provide a ceramic heater excelling in corrosion resistance and heat resistance. SOLUTION: This ceramic heater 1 is built in a gas sensor detecting specific gas concentration in an exhaust gas. The ceramic heater has a heater base material 10 made of ceramic, a heating element formed in the inside of the heater base material 10, and external electrode pads 12 mounted on the outer surface of the heater base material 10, and contacting extraction terminals 2 of external leads. The heating element, heater lead parts 11 and the external electrode pads 12 are made of base metal. The outer surface of each external electrode pad 12 is covered only with a dense protective film 14 made of noble metal. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供优异的耐腐蚀性和耐热性的陶瓷加热器。
解决方案：该陶瓷加热器1内置在检测排气中的特定气体浓度的气体传感器中。陶瓷加热器具有由陶瓷制成的加热器基材10，形成在加热器基材10的内部的加热元件和安装在加热器基材10的外表面上的外部电极焊盘12，外部线索加热元件，加热器引线部分11和外部电极焊盘12由贱金属制成。每个外部电极焊盘12的外表面仅被由贵金属制成的致密保护膜14覆盖。版权所有（C）2009，JPO＆INPIT

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