专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5520789A Gas sensor using ionic conductor 失效
标题翻译：气体传感器采用离子导体
公开(公告)号：US5520789A
公开(公告)日：1996-05-28
申请号：US364749
申请日：1994-12-27
申请人： Hideaki Takahashi , Tadashi Inaba , Haruyoshi Kondo
发明人： Hideaki Takahashi , Tadashi Inaba , Haruyoshi Kondo
IPC分类号： G01N27/41 , G01N27/406 , G01N27/407 , G01N27/409
CPC分类号： G01N27/4075
摘要： A gas sensor using an ionic conductor has a thin-film gas detection portion on an alumina substrate. The gas detection portion comprises a zirconia ionic conductor layer, a pair of platinum electrodes provided with the ionic conductor layer interposed therebetween, and a pair of junction layers positioned between the ionic conductor layer and each electrode and formed in a state in which the substances of the ionic conductor layers and the electrodes are mixed therein.The gas sensor using an ionic conductor is formed by sequentially forming a first electrode, a first junction layer, an ionic conductor layer, a second junction layer, and a second electrode by a physical vapor deposition method on a substrate, wherein the first and second junction layers are formed to be in a state in which the substances of the ionic conductor layers and the electrodes are both present.
摘要翻译：使用离子导体的气体传感器在氧化铝基板上具有薄膜气体检测部。气体检测部分包括氧化锆离子导体层，设置有介于其间的离子导体层的一对铂电极和位于离子导体层与每个电极之间的一对接合层，并且形成在其中物质离子导体层和电极混合在一起。使用离子导体的气体传感器通过在基板上通过物理气相沉积法依次形成第一电极，第一接合层，离子导体层，第二接合层和第二电极而形成，其中第一和第二接合层形成为处于离子导体层和电极的物质都存在的状态。

2. 发明授权

US4869094A Gas sampling valve 失效
标题翻译：气体取样阀
公开(公告)号：US4869094A
公开(公告)日：1989-09-26
申请号：US214548
申请日：1988-07-01
申请人： Kazuhiro Kozuka , Toshihiro Ozasa , Hideaki Takahashi , Haruyoshi Kondo
发明人： Kazuhiro Kozuka , Toshihiro Ozasa , Hideaki Takahashi , Haruyoshi Kondo
IPC分类号： F02D41/14 , F02D35/00 , G01M15/10 , G01N1/22
CPC分类号： G01M15/104 , G01N1/2258 , G01N1/2247 , G01N1/2252
摘要： A gas sampling valve is provided with a small opening for gas sampling and a gas flow channel communicating therewith and is adapted to sample a gas in the gas flow passage by operating a valve for opening and closing the small opening, wherein at least one detector for detecting the concentration of oxygen or combustion gas is disposed in the gas flow passage, whereby the concentration of oxygen, an air excess ratio, the combustion efficiency, or the like can be measured without using a separate analyzer.
摘要翻译：气体采样阀设置有用于气体取样的小开口和与其连通的气流通道，并且适于通过操作用于打开和关闭小开口的阀来对气体流动通道中的气体进行采样，其中至少一个检测器检测氧气或燃烧气体的浓度设置在气体流路中，由此可以在不使用单独的分析器的情况下测量氧浓度，空气过剩率，燃烧效率等。

3. 发明授权

US4844788A Wide-range air/fuel ratio sensor and detector using the same 失效
标题翻译：宽范围的空/燃比传感器和检测器使用相同
公开(公告)号：US4844788A
公开(公告)日：1989-07-04
申请号：US263875
申请日：1988-10-28
申请人： Hideaki Takahashi , Haruyoshi Kondo , Keiichi Saji
发明人： Hideaki Takahashi , Haruyoshi Kondo , Keiichi Saji
IPC分类号： G01N27/41 , F02D41/14 , G01N27/00 , G01N27/12 , G01N27/409 , G01N27/416 , G01N27/419
CPC分类号： F02D41/1455 , G01N27/122
摘要： An air/fuel ratio sensor has a porous alumina substrate, a limiting current type oxygen detecting section on the porous alumina substrate for detecting the air/fuel ratio in the fuel lean region, a resistance-variable type oxygen detecting section on the porous alumina substrate for detecting the excess air ratio .lambda. when .lambda. is equal to one, a gas decomposition type hydrogen detecting section on the porous alumina substrate for detecting the air/fuel ratio in the fuel rich region and a heater for heating the respective detecting sections to the optimum temperature in operation, whereby the sensor can detect the air/fuel ratio over all the fuel rich and lean regions.In addition the apparatus includes a comparing/discriminating section for comparing the output of the resistance-variable type oxygen detection section with a reference value to discriminate whether the ambient atmosphere is in either of the fuel rich or lean region, a switching control section for changing each of the limiting current type oxygen detecting section from its operative position to its inoperative position or vice versa, depending on the result from the comparing/discriminating section, and an output signal adding section for adding the output signals from both the detecting sections to generate an output signal representative of an air/fuel ratio.
摘要翻译：空气/燃料比传感器具有多孔氧化铝基板，多孔氧化铝基板上的限制电流型氧检测部，用于检测稀燃区域中的空燃比，多孔氧化铝基板上的电阻变化型氧检测部用于在λ等于1时检测过剩空气比λ;在多孔氧化铝衬底上用于检测富燃区域中的空燃比的气体分解型氢气检测部分，以及用于将各检测部分加热到最佳状态的加热器运行温度，从而传感器可以检测所有富燃料区和贫气区的空燃比。此外，该装置包括比较/鉴别部分，用于将电阻变化型氧气检测部分的输出与参考值进行比较，以鉴别环境气氛是否处于富燃料区域或贫气区域中的任何一个;切换控制部分，用于改变每个极限电流型氧检测部分从其操作位置到其不工作位置，反之亦然，这取决于比较/鉴别部分的结果，以及输出信号添加部分，用于将来自两个检测部分的输出信号相加以产生表示空燃比的输出信号。

4. 发明授权

US4993386A Operation control system for internal combustion engine 失效
标题翻译：内燃机运行控制系统
公开(公告)号：US4993386A
公开(公告)日：1991-02-19
申请号：US459421
申请日：1989-12-29
申请人： Toshihiro Ozasa , Shigeo Suzuki , Keiichi Saji , Haruyoshi Kondo , Hideaki Takahashi
发明人： Toshihiro Ozasa , Shigeo Suzuki , Keiichi Saji , Haruyoshi Kondo , Hideaki Takahashi
IPC分类号： F01M3/02 , F01P7/16 , F02B1/02 , F02B1/04 , F02B3/06 , F02B19/08 , F02B75/02 , F02D15/04 , F02D19/12 , F02D41/00
CPC分类号： F02D15/04 , F01M3/02 , F01P7/16 , F02B1/02 , F02B19/08 , F02D19/084 , F02D19/088 , F02D19/12 , F02D41/0025 , F01P2023/08 , F02B1/04 , F02B2075/025 , F02B3/06 , F02D19/0655 , F02D19/0665 , F02D19/0692 , F02D19/081 , F02D2200/0612 , F02D2400/04 , Y02T10/125 , Y02T10/36
摘要： An operation control system for an engine using alcohol fuel or mixed fuel of alcohol and hydrocarbon, or for an engine supplying cooling liquid such as alcohol, water or the like as fuel. Vapor concentration in exhaust gas and an air excess ratio of air-fuel mixture are detected, and a supply rate of alcohol, a water absorption ratio of alcohol or an amount of the cooling liquid is computed on the basis of the vapor concentration and the air excess ratio. Ignition timing, temperature of the coolant, a compression ratio and an air excess ratio are controlled on the basis of the supply rate of alcohol or the water absorption ratio of alcohol. Further, the cooling liquid is supplied which has its amount computed at a heavy load. Thus, operational performance of the engine is improved.
摘要翻译：使用酒精燃料或醇和碳氢化合物的混合燃料的发动机的操作控制系统，或用于将诸如酒精，水等的冷却液作为燃料的发动机。检测废气中的气体浓度和空气 - 燃料混合物的空气过剩率，并且基于蒸气浓度和空气计算醇的供应速率，醇的吸水率或冷却液的量超额比例。基于酒精的供给速率或酒精的吸水率来控制点火正时，冷却剂的温度，压缩比和空气过剩率。此外，提供冷却液，其具有在重负荷下计算的量。因此，提高了发动机的操作性能。

5. 发明授权

US4574264A Thin film oxygen sensor with microheater 失效
标题翻译：薄膜氧传感器与微型加热器
公开(公告)号：US4574264A
公开(公告)日：1986-03-04
申请号：US552201
申请日：1983-11-15
申请人： Hideaki Takahashi , Haruyoshi Kondo , Takashi Takeuchi , Kiyoharu Hayakawa , Hideaki Muraki
发明人： Hideaki Takahashi , Haruyoshi Kondo , Takashi Takeuchi , Kiyoharu Hayakawa , Hideaki Muraki
IPC分类号： G01N27/12 , G01N27/16
CPC分类号： G01N27/12 , G01N27/16
摘要： A thin film oxygen sensor with a microheater incorporates an oxide semiconductor and has an integral structure of a sensor portion and a heater portion, wherein a porous catalyst layer is formed on a surface of the sensor portion, and a thickness and an average pore diameter of the catalyst layer are determined such that a ratio of the thickness to the average pore diameter falls within a range of 50 to 3,000. The oxygen sensor has good reproducibility, high stability, and high sensitivity for changing a resistance in response to a change in an oxygen content in an atmosphere. The oxygen sensor can be manufactured at low cost and has a compact construction.
摘要翻译：具有微加热器的薄膜氧传感器结合有氧化物半导体，并且具有传感器部分和加热器部分的整体结构，其中在传感器部分的表面上形成多孔催化剂层，并且其厚度和平均孔径为确定催化剂层，使得厚度与平均孔径的比率落在50至3,000的范围内。氧传感器响应于大气中氧含量的变化而具有良好的再现性，高稳定性和高灵敏度。氧传感器可以低成本制造，结构紧凑。

6. 发明授权

US5480535A Thin film multilayered air/fuel ratio sensor 失效
标题翻译：薄膜多层空气/燃料比传感器
公开(公告)号：US5480535A
公开(公告)日：1996-01-02
申请号：US174126
申请日：1993-12-27
申请人： Haruyoshi Kondo , Hideaki Takahashi , Keiichi Saji , Masaharu Takeuchi , Kozo Satta
发明人： Haruyoshi Kondo , Hideaki Takahashi , Keiichi Saji , Masaharu Takeuchi , Kozo Satta
IPC分类号： G01N27/407 , G01N27/417 , G01N27/41 , G01N27/409
CPC分类号： G01N27/4071 , G01N27/417
摘要： A thin film mutilayered air-fuel ratio sensor having a sensor element including a first electrode formed on a porous substrate, a first solid electrolyte and a third electrode formed on the first electrode in this order, in such a manner that the first electrode is completely covered by the first solid electrolyte inclusive of its surroundings, and that the first solid electrolyte is completely covered by the third electrode inclusive of its surroundings, a second solid electrolyte and a fourth electrode and formed on the third electrode in this order, in such a manner that the peripheral portion of the third electrode is left uncovered by the second solid electrolyte and the fourth electrode and thereby left exposed. The first electrode, the third electrode, and the fourth electrode are made of a gas-permeable porous platinum, and the first solid electrolyte and the second solid electrolyte are made of a gas-permeable dense solid electrolyte having oxygen ion conductivity. The sensor has far improved performance as compared to the conventional ones and can be made compact.
摘要翻译：一种具有传感器元件的薄膜多层空气燃料比传感器，其传感器元件包括形成在多孔基材上的第一电极，第一固体电解质和形成在第一电极上的第三电极，以使得第一电极完全被包围其周围的第一固体电解质覆盖，并且第一固体电解质被包括其周围的第三电极完全覆盖，第二固体电解质和第四电极，并且以这种顺序形成在第三电极上使得第三电极的周边部分不被第二固体电解质和第四电极覆盖，从而露出。第一电极，第三电极和第四电极由透气性多孔铂制成，第一固体电解质和第二固体电解质由具有氧离子传导性的透气性致密固体电解质构成。该传感器与常规传感器相比具有非常好的性能，并且可以使其紧凑。

7. 发明授权

US4510036A Limiting electric current type oxygen sensor with heater and limiting electric current type oxygen concentration detecting device using the same 失效
标题翻译：用加热器限制电流式氧传感器，并使用其限制电流型氧浓度检测装置
公开(公告)号：US4510036A
公开(公告)日：1985-04-09
申请号：US457888
申请日：1983-01-14
申请人： Takashi Takeuchi , Hideaki Takahashi , Keiichi Saji , Haruyoshi Kondo , Kiyoharu Hayakawa
发明人： Takashi Takeuchi , Hideaki Takahashi , Keiichi Saji , Haruyoshi Kondo , Kiyoharu Hayakawa
IPC分类号： G01N27/41 , G01N27/406 , G01N27/409 , G01N27/58
CPC分类号： G01N27/4065
摘要： The invention provides a limiting electric current type oxygen sensor with a microheater, having: an oxygen ionic conductor; an anode and a cathode respectively formed on two major surfaces of the oxygen ionic conductor; an insulating film which has a porosity of not less than 0.2 [%], an average pore diameter of not less than 140 [.ANG.], and a thickness between 0.2 [.mu.m] and 10 [.mu.m], and which is formed on one of the anode and the cathode so as to regulate a flow rate of oxygen gas and to provide electrical insulation; and the microheater formed on the insulating film. The oxygen ionic conductor is electrically insulated from the microheater through the insulating film. The invention also provides a limiting electric current type oxygen concentration detecting device having the limiting electric current type oxygen sensor and a constant temperature control circuit.
摘要翻译：本发明提供一种具有微加热器的极限电流型氧传感器，具有：氧离子导体; 分别形成在氧离子导体的两个主表面上的阳极和阴极; 绝缘膜的孔隙率不小于0.2 [％]，平均孔径不小于140 [ANGSTROM]，厚度在0.2μm和10μm之间，并且形成在阳极和阴极之一，以调节氧气的流量并提供电绝缘; 和形成在绝缘膜上的微加热器。氧离子导体通过绝缘膜与微加热器电绝缘。本发明还提供一种具有极限电流型氧传感器和恒温控制电路的极限电流型氧浓度检测装置。

8. 发明授权

US5648601A Apparatus for analyzing air/fuel ratio sensor characteristics 失效
标题翻译：用于分析空气/燃料比传感器特性的装置
公开(公告)号：US5648601A
公开(公告)日：1997-07-15
申请号：US557631
申请日：1995-11-14
申请人： Kazunori Katoh , Haruyoshi Kondo , Masayuki Matsui , Naoki Katayama , Yasushi Yamada , Hideaki Takahashi , Kunio Fukuda
发明人： Kazunori Katoh , Haruyoshi Kondo , Masayuki Matsui , Naoki Katayama , Yasushi Yamada , Hideaki Takahashi , Kunio Fukuda
IPC分类号： G01N27/409 , G01N27/00 , G01N27/12 , G01N27/26 , G01N33/00 , G01N7/00
CPC分类号： G01N33/007
摘要： An apparatus for analyzing air/fuel ratio sensor characteristics makes it possible to perform highly accurate analysis of the characteristics of an air/fuel ratio sensor to be measured. The apparatus comprises a sensor attachment means in which is mounted an air/fuel ratio sensor to be measured; a gas regulation means for supplying to the sensor attachment means a gas that is substantially equivalent to components of exhaust gases from an engine, or some components thereof; a control means for comparing an output from the air/fuel ratio sensor to be measured mounted in the sensor attachment means and an output from a reference stoichiometric air/fuel ratio sensor at the stoichiometric air/fuel ratio of the engine, to obtain a deviation therebetween and to obtain from a history of this deviation over time the composition and flow rate of gases to be controlled to compensate for this deviation, and issuing appropriate instructions to the gas regulation means; and an air/ratio measurement means for measuring a time average of the thus controlled air/fuel ratio.
摘要翻译：用于分析空气/燃料比传感器特性的装置使得可以对待测量的空气/燃料比传感器的特性进行高精度的分析。该装置包括传感器附接装置，其中安装有待测量的空气/燃料比传感器; 气体调节装置，用于向传感器附接装置供应基本上等同于来自发动机或其一些部件的废气的组分的气体; 控制装置，用于将安装在传感器安装装置中的待测量的空气/燃料比传感器的输出与来自发动机的理论空燃比的参考化学计量空气/燃料比传感器的输出进行比较，以获得偏差并从这一偏差的历史中获得要控制的气体的组成和流速以补偿该偏差，并向气体调节装置发出适当的指令; 以及用于测量这样控制的空气/燃料比的时间平均值的空气/比率测量装置。

9. 发明授权

US4661234A Air-fuel ratio sensor and apparatus using the same 失效
标题翻译：空燃比传感器及使用其的装置
公开(公告)号：US4661234A
公开(公告)日：1987-04-28
申请号：US812907
申请日：1985-12-23
申请人： Hideaki Takahashi , Haruyoshi Kondo , Takashi Takeuchi , Kiyoharu Hayakawa
发明人： Hideaki Takahashi , Haruyoshi Kondo , Takashi Takeuchi , Kiyoharu Hayakawa
IPC分类号： G01N27/419 , G01N27/12 , G01N27/406 , G01N27/409 , G01N27/58
CPC分类号： G01N27/4065
摘要： An air-fuel ratio sensor comprising a limiting electric current type oxygen sensor portion, having a sequential stacking on a porous substrate of a first electrode with high gas permeability, a solid electrolytic thin film having a specific crystal orientation, a thickness of 0.1 to 30 .mu.m, and good crystallinity. The limiting electric current type oxygen sensor portion and second electrode with a high gas permeability, is arranged and connected in parallel with a resistive type oxygen sensor portion having interdigital electrodes formed on one or both major surfaces of an oxide semiconductor thin film, the resistance of which changes in accordance with oxygen partial pressure. The air-fuel ratio sensor also has a sensor heater formed on one surface of the porous substrate around the sensor portions. The overall structure of the sensor is coated with a porous ceramic coating to which a catalyst is added.
摘要翻译：一种空燃比传感器，包括极限电流型氧传感器部分，其具有顺序堆叠在具有高透气性的第一电极的多孔基底上，具有特定结晶取向的固体电解薄膜，厚度为0.1至30 微米，结晶度好。具有高透气性的极限电流型氧传感器部分和第二电极被布置和并联连接到具有形成在氧化物半导体薄膜的一个或两个主表面上的交叉指状电极的电阻型氧传感器部分，其根据氧分压而变化。空燃比传感器还具有形成在传感器部分周围的多孔基材的一个表面上的传感器加热器。传感器的整体结构涂覆有添加有催化剂的多孔陶瓷涂层。

10. 发明授权

US4595485A Limiting electric current type oxygen sensor 失效
标题翻译：限制电流式氧传感器
公开(公告)号：US4595485A
公开(公告)日：1986-06-17
申请号：US775741
申请日：1985-09-13
申请人： Hideaki Takahashi , Haruyoshi Kondo , Keiichi Saji , Kiyoharu Hayakawa , Takashi Takeuchi
发明人： Hideaki Takahashi , Haruyoshi Kondo , Keiichi Saji , Kiyoharu Hayakawa , Takashi Takeuchi
IPC分类号： G01N27/41 , G01N27/404 , G01N27/406 , G01N27/409 , G01N27/56
CPC分类号： G01N27/4065
摘要： A limiting electric current type oxygen sensor comprising a first electrode of a gas-permeable film, a thin solid electrolyte film which is crystallized along one direction to decrease resistance and which has a thickness falling in the range between 0.1 .mu.m and 30 .mu.m, and a second electrode of a gas-permeable film sequentially formed on an electrically insulating substrate. This limiting electric current type oxygen sensor is also provided with a porous coating layer or a dense coating layer. The porous coating layer made of Al.sub.2 O.sub.3, SiO.sub.2, spinnel, SiC, Si.sub.3 N.sub.4 and etc., has a porosity of not more than 30% and a thickness of not less than 1 .mu.m, and serves as a gas diffusion flow rate-determining portion. The dense coating layer serves to control a gas permeation path such that either the first electrode or the substrate is used as the gas diffusion flow rate-determining portion.
摘要翻译：一种限制电流型氧传感器，包括透气膜的第一电极，沿一个方向结晶以降低电阻并且具有落在0.1μm至30μm之间的厚度的薄固体电解质膜，以及依次形成在电绝缘基板上的透气膜的第二电极。该极限电流型氧传感器还设置有多孔涂层或致密涂层。由Al2O3，SiO2，尖晶石，SiC，Si3N4等制成的多孔涂层的孔隙率不大于30％，厚度不小于1μm，用作气体扩散流速确定部分。致密涂层用于控制气体渗透路径，使得第一电极或基板用作气体扩散流速确定部分。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式