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1. 发明授权

US06174489B1 Method for manufacturing a gas sensor unit 有权
标题翻译：气体传感器单元的制造方法
公开(公告)号：US06174489B1
公开(公告)日：2001-01-16
申请号：US09140422
申请日：1998-08-26
申请人： Kiyomi Kobayashi , Naoto Miwa , Toshitaka Saito , Hiromi Sano , Namitsugu Fujii
发明人： Kiyomi Kobayashi , Naoto Miwa , Toshitaka Saito , Hiromi Sano , Namitsugu Fujii
IPC分类号： C07B3332
CPC分类号： G01N27/4073
摘要： A method for manufacturing an oxygen sensor unit of the type which includes at least a shaped body of a solid electrolyte, an inner electrode provided on an inside surface of the shaped body and exposed to a reference gas, an outer electrode provided on an outside surface of the shaped body and exposed to a gas to be measured, and a porous protective layer covering the outer electrode and a portion of the shaped body adjoining to said outer electrode wherein the solid electrolyte is made of a mixture of zirconia and a stabilizer therefor and is constituted of a sintered product of partially stabilized zirconia. The method is characterized in that the partially stabilized, sintered zirconia is obtained according to a high temperature sintering process which includes at least the step of sintering the mixture at a temperature of 1200° C. or over for a duration of 2 to 6 hours wherein a value obtained by integrating a variation in the sintering temperature with the duration in the sintering process is in the range of 300 to 1500° C.·hour.
摘要翻译：一种制造氧传感器单元的方法，该氧传感器单元至少包括固体电解质的成形体，设置在成形体的内表面上并暴露于参考气体的内电极，设置在外表面上的外电极并暴露于要测量的气体，以及覆盖外电极的多孔保护层和与所述外电极相邻的成形体的一部分，其中固体电解质由氧化锆及其稳定剂的混合物制成，由部分稳定化的氧化锆的烧结体构成。该方法的特征在于，部分稳定的烧结氧化锆根据高温烧结方法获得，其至少包括在1200℃或更高温度下烧结混合物2至6小时的步骤，其中通过将烧结温度的变化与烧结过程中的持续时间相结合而获得的值在300〜1500℃的范围内。

2. 发明授权

US5948225A Oxygen sensor element 失效
标题翻译：氧传感元件
公开(公告)号：US5948225A
公开(公告)日：1999-09-07
申请号：US861226
申请日：1997-05-21
申请人： Toru Katafuchi , Kiyomi Kobayashi , Naoto Miwa , Hiromi Sano , Toshitaka Saito
发明人： Toru Katafuchi , Kiyomi Kobayashi , Naoto Miwa , Hiromi Sano , Toshitaka Saito
IPC分类号： G01N27/409 , G01N27/407
CPC分类号： G01N27/4075
摘要： An oxygen sensor element includes a solid electrolyte having cavities on a surface thereof and an electrode formed on the surface of the solid electrolyte. In a method of producing the oxygen sensor element, a solution containing a noble metal compound for nucleus formation is first applied to an electrode forming portion of the solid electrolyte to form a coating film. Then, the coating film is heat-treated to form a nucleus forming portion where noble metal nuclei are deposited. Subsequently, metal plating is applied to the nucleus forming portion to form a plating film deeply entering the cavities. Thereafter, the plating film is burned to form the electrode deeply entering the cavities.
摘要翻译：氧传感器元件包括在其表面上具有空腔的固体电解质和形成在固体电解质表面上的电极。在制造氧传感器元件的方法中，首先将含有形成核的贵金属化合物的溶液施加到固体电解质的电极形成部分以形成涂膜。然后，对涂膜进行热处理，形成析出贵金属核的成核部。随后，对核形成部分施加金属电镀以形成深入到空腔中的镀膜。此后，电镀膜被燃烧以形成深入空腔的电极。

3. 发明授权

US06254926B1 Method of producing oxygen sensor element 有权
标题翻译：氧传感器元件的生产方法
公开(公告)号：US06254926B1
公开(公告)日：2001-07-03
申请号：US09360147
申请日：1999-07-26
申请人： Toru Katafuchi , Kiyomi Kobayashi , Naoto Miwa , Hiromi Sano , Toshitaka Saito
发明人： Toru Katafuchi , Kiyomi Kobayashi , Naoto Miwa , Hiromi Sano , Toshitaka Saito
IPC分类号： B05D512
CPC分类号： G01N27/4075
摘要： An oxygen sensor element includes a solid electrolyte having cavities on a surface thereof and an electrode formed on the surface of the solid electrolyte. In a method of producing the oxygen sensor element, a solution containing a noble metal compound for nucleus formation is first applied to an electrode forming portion of the solid electrolyte to form a coating film. Then, the coating film is heat-treated to form a nucleus forming portion where noble metal nuclei are deposited. Subsequently, metal plating is applied to the nucleus forming portion to form a plating film deeply entering the cavities. Thereafter, the plating film is burned to form the electrode deeply entering the cavities.
摘要翻译：氧传感器元件包括在其表面上具有空腔的固体电解质和形成在固体电解质表面上的电极。在制造氧传感器元件的方法中，首先将含有形成核的贵金属化合物的溶液施加到固体电解质的电极形成部分以形成涂膜。然后，对涂膜进行热处理，形成析出贵金属核的成核部。随后，对核形成部分施加金属电镀以形成深入到空腔中的镀膜。此后，电镀膜被燃烧以形成深入空腔的电极。

4. 发明授权

US06344118B1 Structure of oxygen sensing element 有权
标题翻译：氧传感元件的结构
公开(公告)号：US06344118B1
公开(公告)日：2002-02-05
申请号：US09130902
申请日：1998-08-07
申请人： Kiyomi Kobayashi , Namitsugu Fujii , Yasumichi Hotta , Hiromi Sano
发明人： Kiyomi Kobayashi , Namitsugu Fujii , Yasumichi Hotta , Hiromi Sano
IPC分类号： G01N2726
CPC分类号： G01N27/4075
摘要： An improved structure of an oxygen sensing element installed in an oxygen sensor designed to measure an oxygen content in gases is provided. The structure includes a cup-shaped solid electrolyte body, an inner electrode, and an outer electrode. The solid electrolyte body has a portion exposed to the gases which has a given length. The inner electrode is formed on an inner wall of the solid electrolyte body and exposed to air. The outer electrode is formed on an outer wall of the solid electrolyte body and exposed to the gases through a protective layer. The oxygen content in the gases is measured based on output signals from the inner and outer electrodes. The outer electrode occupies an area on the outer wall of the solid electrolyte body within a range of 80% of the given length of the gas-exposed portion of the solid electrolyte body and has a thickness ranging from 1.2 to 3.0 &mgr;m. This allows the oxygen sensing element to determine the oxygen content in the gases precisely and to have an improved heat-resistance.
摘要翻译：提供了安装在氧传感器中的氧传感元件的改进结构，其设计用于测量气体中的氧含量。该结构包括杯状固体电解质体，内部电极和外部电极。固体电解质体具有暴露于具有给定长度的气体的部分。内部电极形成在固体电解质体的内壁上并暴露于空气中。外电极形成在固体电解质体的外壁上并通过保护层暴露于气体。基于来自内外电极的输出信号测量气体中的氧含量。外部电极在固体电解质体的气体暴露部分的给定长度的80％的范围内占据固体电解质体外壁上的区域，并且具有1.2-3.0μm的厚度。这允许氧气感测元件精确地确定气体中的氧含量并且具有改善的耐热性。

5. 发明授权

US06354134B1 Oxygen sensing element used in a oxygen sensor 有权
标题翻译：氧传感器中使用的氧气感应元件
公开(公告)号：US06354134B1
公开(公告)日：2002-03-12
申请号：US09196129
申请日：1998-11-20
申请人： Tooru Katafuchi , Kiyomi Kobayashi , Namitsugu Fujii , Hiromi Sano
发明人： Tooru Katafuchi , Kiyomi Kobayashi , Namitsugu Fujii , Hiromi Sano
IPC分类号： G01N2746
CPC分类号： G01N27/4075 , G01N27/407
摘要： A solid electrolytic body has an inside space serving as a reference gas chamber. A sensing electrode and a reference electrode are formed on the surface of the solid electrolytic body. A heater is disposed in the reference gas chamber. A contact portion comprises a region where the heater is brought into contact with the inner surface of the solid electrolytic body and an opposing region on the outer surface of the solid electrolytic body. The sensing electrode includes at least part of the contact portion. A gas receiving surface region, exposed to the measuring gas, extends from an element tip to a position spaced by a distance L away from the element tip. At least part of the contact portion is located in a region extending from the element tip to a position spaced by a distance 0.4L away from the element tip. The sensing electrode is entirely located in a region extending from the element tip to a position spaced by a distance 0.8L away from the element tip.
摘要翻译：固体电解质体具有作为基准气体室的内部空间。感测电极和参考电极形成在固体电解体的表面上。加热器设置在参考气室中。接触部包括加热器与固体电解质体的内表面接触的区域和固体电解体的外表面上的相对区域。感测电极包括接触部分的至少一部分。暴露于测量气体的气体接收表面区域从元件尖端延伸到远离元件尖端间隔距离L的位置。接触部分的至少一部分位于从元件尖端延伸到远离元件尖端间隔0.4L的位置的区域中。感测电极完全位于从元件尖端延伸到与元件尖端间隔0.8L的位置的区域中。

6. 发明授权

US07211222B2 Gas sensor 有权
标题翻译：气体传感器
公开(公告)号：US07211222B2
公开(公告)日：2007-05-01
申请号：US10201302
申请日：2002-07-24
申请人： Motoaki Satou , Kiyomi Kobayashi , Masanobu Yamauchi , Namitsugu Fujii
发明人： Motoaki Satou , Kiyomi Kobayashi , Masanobu Yamauchi , Namitsugu Fujii
IPC分类号： B32B5/02 , B32B27/04 , B32B27/12 , G01N7/00 , G01N21/00
CPC分类号： G01N27/4077 , Y10T436/20 , Y10T436/208339 , Y10T436/21 , Y10T436/218
摘要： A powder filler is stuffed in a filler space defined between a housing and a gas sensing element so as to airtightly seal a clearance between the housing and the gas sensing element. The powder filler contains grains whose diameter is in a range from 80 μm to 5,000 μm when measured before being stuffed into the filler space. A weight percentage of the grains having the diameter of 80 μm to 5,000 μm is equal to or larger than 80% with respect to an overall weight of the powder filler.
摘要翻译：粉末填料填充在壳体和气体感测元件之间的填充空间中，以密封地密封壳体和气体感测元件之间的间隙。粉末填充剂在填充到填料空间内时，测量直径在80μm至5,000μm之间的颗粒。相对于粉末填料的总重量，直径为80μm〜5000μm的粒子的重量百分比为80％以上。

7. 发明授权

US06849291B2 Gas sensing element and method for manufacturing the same 有权
标题翻译：气体传感元件及其制造方法
公开(公告)号：US06849291B2
公开(公告)日：2005-02-01
申请号：US10271534
申请日：2002-10-17
申请人： Gang E , Kiyomi Kobayashi , Yasumichi Hotta , Namitsugu Fujii
发明人： Gang E , Kiyomi Kobayashi , Yasumichi Hotta , Namitsugu Fujii
IPC分类号： G01N27/409 , C23C18/08 , C23C18/14 , C23C18/18 , F02B77/08 , G01N27/407 , B05D5/12
CPC分类号： G01N27/4075 , C23C18/08 , C23C18/14 , C23C18/165
摘要： A gas sensing element has a solid electrolytic body, a reference gas side electrode provided on a surface of the solid electrolytic body so as to be exposed to a reference gas, and a measured gas side electrode provided on another surface of the solid electrolytic body so as to be exposed to a measured gas. A crystal face strength ratio of the measured gas side electrode according to X-ray diffraction is 0.7≦{I(200)/I(111)} or 0.6≦{I(220)/I(111)}.
摘要翻译：气体感测元件具有固体电解体，设置在固体电解体的表面上以暴露于参考气体的参考气体侧电极和设置在固体电解体的另一个表面上的测量气体侧电极，暴露于测量的气体。根据X射线衍射测得的气体侧电极的晶面强度比为0.7 <= {I（200）/ I（111）}或0.6 <= {I（220）/ I（111）}。

8. 发明授权

US06478941B2 Gas sensing element and method for manufacturing the same 有权
公开(公告)号：US06478941B2
公开(公告)日：2002-11-12
申请号：US09922716
申请日：2001-08-07
申请人： Gang E , Kiyomi Kobayashi , Yasumichi Hotta , Namitsugu Fujii
发明人： Gang E , Kiyomi Kobayashi , Yasumichi Hotta , Namitsugu Fujii
IPC分类号： G01N27409
CPC分类号： G01N27/4075 , C23C18/08 , C23C18/14 , C23C18/165
摘要： A gas sensing element has a solid electrolytic body, a reference gas side electrode provided on a surface of the solid electrolytic body so as to be exposed to a reference gas, and a measured gas side electrode provided on another surface of the solid electrolytic body so as to be exposed to a measured gas. A crystal face strength ratio of the measured gas side electrode according to X-ray diffraction is 0.7≦{I(200)/I(111)} or 0.6≦{I(220)/I(111)}.

9. 发明申请

US20060068095A1 Active liquid applicator for forming active film 审中-公开
公开(公告)号：US20060068095A1
公开(公告)日：2006-03-30
申请号：US11273090
申请日：2005-11-15
申请人： Tsuyoshi Nishi , Tomoaki Tsujimoto , Akio Harada , Kiyomi Kobayashi , Motoaki Satou , Namitsugu Fujii
发明人： Tsuyoshi Nishi , Tomoaki Tsujimoto , Akio Harada , Kiyomi Kobayashi , Motoaki Satou , Namitsugu Fujii
IPC分类号： B05D3/12
CPC分类号： B05C1/02 , B05C7/06
摘要： An active liquid applicator is provided which is designed to coat a surface of an electronic parts such as an oxygen sensor with an active liquid for forming an electrode. The liquid applicator includes a nozzle head and a nozzle tube. The nozzle tube has disposed therein a pearmable member which produces capillary attraction of an active liquid thereinto and feed it to the nozzle head, thereby enabling formation of a thin active film on the electronic part which has the thickness controllable with high accuracy.

10. 发明授权

US06632338B2 Gas sensing element incorporated in a gas sensor for an internal combustion engine 有权
标题翻译：气体传感元件结合在用于内燃机的气体传感器中
公开(公告)号：US06632338B2
公开(公告)日：2003-10-14
申请号：US09877125
申请日：2001-06-11
申请人： Namitsugu Fujii , Motoaki Satou , Kiyomi Kobayashi , Yasumichi Hotta
发明人： Namitsugu Fujii , Motoaki Satou , Kiyomi Kobayashi , Yasumichi Hotta
IPC分类号： G01N2741
CPC分类号： G01N27/4077
摘要： A second protective layer is a ceramic porous protective layer comprising coarse particles and fine particles structurally arranged in such a manner that interparticle cavities formed between the coarse particles are filled with the fine particles. At least either of the coarse particles and the fine particles contain at least one selected from the group consisting of &ggr;-Al2O3, &thgr;-Al2O3, &dgr;-Al2O3 and solid solution having the same crystal structure as those of &ggr;-Al2O3, &thgr;-Al2O3, &dgr;-Al2O3.
摘要翻译：第二保护层是包括粗颗粒和细颗粒的陶瓷多孔保护层，其结构地布置成使得在粗颗粒之间形成的颗粒间隙被细颗粒填充。粗颗粒和细颗粒中的至少任一种含有选自γ-Al 2 O 3，θ-Al 2 O 3，δ-Al 2 O 3和与γ-Al 2 O 3，θ-Al 2 O 3具有相同晶体结构的固溶体中的至少一种，Δ-Al2O3

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