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1. 发明专利

JP2012168030A Gas sensor element and gas sensor 有权
标题翻译：气体传感器元件和气体传感器
公开(公告)号：JP2012168030A
公开(公告)日：2012-09-06
申请号：JP2011029607
申请日：2011-02-15
申请人： Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日本自動車部品総合研究所
发明人： KATO TETSUYA , NAKAMURA SATOSHI , NOMURA TAKASHI , MIWA TOMOHIRO
IPC分类号： G01N27/41
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor element that reduces cold-shoot convergence time while improving water resistance, and to provide a gas sensor including the same.SOLUTION: A gas sensor element 100 includes: a detection part 10 comprising a solid electrolyte layer 3 having a pair of electrodes 4 composed of a measurement-gas-side electrode 41 and a reference-gas-side electrode 42 provided on both sides, a porous diffusion resistance layer 2 surrounding the measurement-gas-side electrode 41 across a measurement gas space 8; a shield layer 1 forming the measurement gas space 8 together with the porous diffusion resistance layer 2, and a reference gas space protection layer 5 surrounding the reference-gas-side electrode 42 across the reference gas space 9; a heat generation part 20 stacked on the detection part 10 and having a heat generation source 6; and a porous protection layer 30 surrounding the detection part 10 and the heat generation part 20. A part of the porous protection layer 30 corresponding to at least the porous diffusion resistance layer 2 has a space 30a.
摘要翻译：要解决的问题：提供一种在改善耐水性的同时降低冷射收敛时间的气体传感器元件，并提供包括该气体传感器元件的气体传感器。气体传感器元件100包括：检测部分10，其包括具有由测量气体侧电极41和设置在两者上的参考气体侧电极42组成的一对电极4的固体电解质层3 在测量气体空间8上围绕测量气体侧电极41的多孔扩散电阻层2; 与多孔扩散电阻层2一起形成测量气体空间8的屏蔽层1和围绕参考气体侧电极42穿过参考气体空间9的参考气体空间保护层5; 堆叠在检测部10上并具有发热源6的发热部20; 以及围绕检测部10和发热部20的多孔保护层30.至少与多孔扩散电阻层2对应的多孔保护层30的一部分具有空间30a。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2004225617A Protective device for sensor 有权
标题翻译：传感器保护装置
公开(公告)号：JP2004225617A
公开(公告)日：2004-08-12
申请号：JP2003014647
申请日：2003-01-23
申请人： Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日本自動車部品総合研究所
发明人： MORIYA SAKANORI , KOBAYASHI MASAAKI , SUZUKI YUSUKE , SAKAYANAGI YOSHIHIRO , NAKAMURA SATOSHI
IPC分类号： G01N27/409 , F01N13/00 , F01N99/00 , F02D35/00 , F01N7/00
摘要： PROBLEM TO BE SOLVED: To provide a device capable of concurrently realizing both of protection of a sensor provided on an exhaust passage and improvement of exhaust characteristics immediately after starting an engine. SOLUTION: This protective device for a sensor in an engine 1, of which one of main constituent elements is an electronic control unit 80, successively estimates a residing water amount on the upstream side of an oxygen concentration sensor 55 in the exhaust passage 50 in consideration of data history before engine starting. If the residing water amount is above a reference value, energization on a heater 55B provided on the oxygen concentration sensor 55 is regulated, and control for effectively decreasing the residing water amount is performed and if the residing water amount is below the reference value, energization on the heater 55B is started. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够同时实现设置在排气通道上的传感器的保护和提高发动机起动后的排气特性的装置。发动机1中的传感器用保护装置，其主要构成要素之一是电子控制单元80，依次估计排气通路中的氧浓度传感器55的上游侧的滞留水量考虑到发动机启动前的数据历史。如果滞留水量高于参考值，则调节设置在氧浓度传感器55上的加热器55B的通电，进行有效降低滞留水量的控制，并且如果滞留水量低于基准值，则通电在加热器55B上开始。版权所有（C）2004，JPO＆NCIPI

3. 发明专利

JP2014081246A Control system for internal combustion engine 有权
标题翻译：内燃机控制系统
公开(公告)号：JP2014081246A
公开(公告)日：2014-05-08
申请号：JP2012228385
申请日：2012-10-15
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Toyota Motor Corp , トヨタ自動車株式会社
发明人： KATO TETSUYA , NAKAMURA SATOSHI , NISHIJIMA HIROTAKA , MIWA TOMOHIRO
IPC分类号： G01N27/26 , G01N27/41
摘要： PROBLEM TO BE SOLVED: To provide a control system for an internal combustion engine, configured to detect S poisoning of a sensor element early.SOLUTION: A control system of an internal combustion engine is formed by arranging a limiting current type oxygen sensor in an exhaust passage. The control system is configured to perform at a predetermined timing, S poisoning determination where a relatively low voltage and a relatively high voltage are applied to a sensor element of the limiting current type oxygen sensor, to measure output currents, and it is determined whether the sensor element has been sulfur(S)-poisoned or not on the basis of presence or magnitude of a difference between the output currents.
摘要翻译：要解决的问题：提供一种用于内燃机的控制系统，其被配置为早期检测S传感器元件的中毒。解决方案：内燃机的控制系统通过将极限电流型氧传感器布置在排气中通道。所述控制系统被配置为在所述极限电流型氧传感器的传感器元件施加相对低的电压和相对较高的电压的S预定定时进行S中毒判定，以测定输出电流，基于输出电流之间的差异的存在或大小，传感器元件已经被硫（S） - 除去。

4. 发明专利

JP2014005779A Internal combustion engine 审中-公开
标题翻译：内燃机
公开(公告)号：JP2014005779A
公开(公告)日：2014-01-16
申请号：JP2012142260
申请日：2012-06-25
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Toyota Motor Corp , トヨタ自動車株式会社
发明人： NAKAMURA SATOSHI , SUZAWA TAKUMI , SASAKI TAKANORI
IPC分类号： F02B37/12 , F02B37/18 , F02D29/00 , F02D45/00
CPC分类号： Y02T10/144
摘要： PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of activating an exhaust gas sensor in an early period while preventing cracking of the exhaust gas sensor caused by suffering condensate water in controlling opening of a waste gate valve for early warming-up of a catalyst, in a case when a temperature of cooling water is a predetermined temperature or less after starting the internal combustion engine.SOLUTION: The internal combustion engine includes a WGV 38 for opening and closing an exhaust bypass path 36 bypassing a turbine 22b. An A/F sensor 44 including a heater for heating a sensor element, is disposed at a downstream side of the turbine 22b. WGV active control for opening and closing the WGV 38 is executed when stress S of the A/F sensor 44 caused by suffering the condensate water reaches an allowable stress S0 or more during the opening of the WGV 38 for warming-up the catalyst in cold start.
摘要翻译：要解决的问题：提供一种能够在早期阶段致动废气传感器的内燃机，同时防止由于在控制用于早期预热的废气闸阀的打开中产生的冷凝水引起的排气传感器的破裂在冷却水的温度在启动内燃机之后为预定温度以下的情况下，催化剂。解决方案：内燃机包括用于打开和关闭旁路涡轮机22b的排气旁路路径36的WGV 38。包括用于加热传感器元件的加热器的A / F传感器44设置在涡轮机22b的下游侧。 WGV 38打开和关闭时的WGV主动控制在WGV 38开启期间由于遭受冷凝水而引起的A / F传感器44的应力S达到容许应力S0以上，以使催化剂在冷开始。

5. 发明专利

JP2013185486A Control unit of internal combustion engine 有权
标题翻译：内燃机控制单元
公开(公告)号：JP2013185486A
公开(公告)日：2013-09-19
申请号：JP2012050840
申请日：2012-03-07
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Toyota Motor Corp , トヨタ自動車株式会社
发明人： KATO TETSUYA , NAKAMURA SATOSHI , MIWA TOMOHIRO , NOMURA TAKASHI
IPC分类号： F02D45/00 , F02D19/08 , G01N27/409 , H01L35/32
摘要： PROBLEM TO BE SOLVED: To provide a control unit of an internal combustion engine, capable of making startability of a sensor proper.SOLUTION: A control unit 100 is a control unit 100 of an internal combustion engine 1 using fuel containing at least alcohol. The internal combustion engine 1 includes a combustion chamber 2 which burns fuel; suction paths 4 and 6 which are arranged on an upstream side rather than the combustion chamber 2; an exhaust manifold 5 which is arranged on a downstream side rather than the combustion chamber 2; and an exhaust passage 12 which is arranged on a downstream side rather than the exhaust manifold 5. The exhaust manifold 5 is provided with a gas sensor element 30. In this case, the control unit 100 is configured to discharge exhaust gas in the exhaust manifold 5 to the outside of the exhaust manifold 5 for a predetermined period of time t after a stop of the internal combustion engine 1.
摘要翻译：要解决的问题：提供能够使传感器适合的启动性的内燃机的控制单元。解决方案：控制单元100是使用至少含有酒精的燃料的内燃机1的控制单元100。内燃机1包括燃烧燃料的燃烧室2; 设置在上游侧而不是燃烧室2的吸入路径4和6; 排气歧管5，其布置在下游侧而不是燃烧室2; 以及配置在排气歧管5的下游侧的排气通道12.排气歧管5设置有气体传感器元件30.在这种情况下，控制单元100构成为排气歧管 5在内燃机1的停止之后的预定时间t内到达排气歧管5的外部。

6. 发明专利

JP2014025803A Heater controller of gas sensor 有权
标题翻译：气体传感器加热器控制器
公开(公告)号：JP2014025803A
公开(公告)日：2014-02-06
申请号：JP2012166270
申请日：2012-07-26
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Toyota Motor Corp , トヨタ自動車株式会社
发明人： KATO TETSUYA , SUZAWA TAKUMI , NAKAMURA SATOSHI , MIWA TOMOHIRO
IPC分类号： G01N27/409 , G01N27/41
摘要： PROBLEM TO BE SOLVED: To provide a heater controller of a gas sensor configured to prevent reduction in sensor response performance.SOLUTION: A heater controller of a gas sensor includes a sensor element, a porous protective layer for covering at least a part of the sensor element, and a heater part for heating the sensor element. The heater controller controls temperature increase in the heater part of the gas sensor arranged in an exhaust passage of an internal combustion engine. The heater controller executes normal temperature increase processing (S13) for increasing the temperature of the sensor element to a normal control temperature; and special temperature increase processing (S11) for performing special temperature increase control, unlike the normal temperature increase processing, for removing a particulate matter entering the gas sensor at a predetermined timing.
摘要翻译：要解决的问题：提供一种配置成防止传感器响应性能降低的气体传感器的加热器控制器。解决方案：气体传感器的加热器控制器包括传感器元件，用于覆盖传感器的至少一部分的多孔保护层元件和用于加热传感器元件的加热器部件。加热器控制器控制布置在内燃机的排气通道中的气体传感器的加热器部分的温度升高。加热器控制器执行用于将传感器元件的温度升高到正常控制温度的常温增加处理（S13）和用于进行特殊升温控制的特殊温度升高处理（S11），与常温升高处理不同，用于在预定的定时除去进入气体传感器的颗粒物质。

7. 发明专利

JP2014238049A 内燃機関の制御装置审中-公开
标题翻译：内燃机控制器
公开(公告)号：JP2014238049A
公开(公告)日：2014-12-18
申请号：JP2013121061
申请日：2013-06-07
申请人：株式会社日本自動車部品総合研究所 , Nippon Soken Inc , トヨタ自動車株式会社 , Toyota Motor Corp
发明人： NAKAMURA SATOSHI , KATO YOSHIE
IPC分类号： F01N3/023 , F01N3/00 , F01N3/08 , F01N3/18 , F01N3/24
摘要：【課題】排気通路にPMフィルタが設置されている場合に、排気通路のPMフィルタ下流の滞留水量又は乾燥状態を推測し、これに応じた制御を行う。【解決手段】本発明は排気通路に排ガス中の微粒子を捕集するPMフィルタが設置され、PMフィルタの下流に機器が設置されている構成の内燃機関に適用される。本発明の内燃機関の制御装置は、PMフィルタの上流側の排ガス温又は該温度に相関する値である第1相関値と、下流側の排ガス温又は該温度に相関する値である第2相関値と、PMフィルタの温度変化又は該温度変化に相関する値である第3相関値とを取得する。取得された第1〜第3相関値に応じて、PMフィルタ下流の排気通路内の滞留水量又は該滞留水量に相関する滞留水量相関値が算出される。算出された滞留水量相関値に応じて、PMフィルタ下流の機器が制御される。【選択図】図3
摘要翻译：要解决的问题：当在排气通道中安装PM过滤器时，估计排气通道中的PM过滤器的下游的驻留水量或干燥条件，并进行相应的控制。解决方案：本发明被应用涉及一种内燃机，其中用于收集废气中的微粒的PM过滤器安装在排气通道中，并且设备安装在PM过滤器的下游。内燃机的控制器获取作为PM过滤器的上游侧的排气温度的第一相关值或与温度相关的值，作为下游侧的排气温度的第二相关值，与温度相关的值，以及作为PM滤波器的温度变化的第三相关值或与温度变化相关的值。根据所获得的第一至第三相关值，计算PM过滤器下游的排气通道中的驻留水量或与居住水量相关的驻留水量的相关值。根据计算出的居住水量的相关值，控制PM过滤器下游的设备。

8. 发明专利

JP2012127907A Particulate matter detection sensor 审中-公开
标题翻译：颗粒物检测传感器
公开(公告)号：JP2012127907A
公开(公告)日：2012-07-05
申请号：JP2010281629
申请日：2010-12-17
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： HARADA TOSHIHIKO , NAKAMURA SATOSHI , TERANISHI SHINYA , MAEDA ERIKO
IPC分类号： G01N27/04 , F01N3/02 , G01N15/06
CPC分类号： G01N15/0656
摘要： PROBLEM TO BE SOLVED: To prevent measurement difference by coarse particles by improving classification performance and quickly detecting failures or the like of a DPF (diesel particulate filter) with high detection precision at low costs in a particulate matter detection sensor of an electrical resistance system used for PM detection in exhaust gases of an internal-combustion engine.SOLUTION: A sensing element part 1 of a PM sensor S installed in an exhaust tube EX of an engine E/G places two pairs of detection electrodes 3, 4 with insides of two slits 20a, 20b provided for an insulating base 10 as measurement spaces 2a, 2b, and embeds a pair of electric field application electrodes 52, 53 on both sides of the slit 20a and a pair of electric field application electrodes 52, 53 on both sides of the slit 20b. Thus, there are provided two pairs of electric field application electrodes having a common electric field application electrode 53 between the slits 20a and 20b. A unique electric field is generated in the measurement spaces 2a, 2b by the electric field application electrodes 51, 52, PM detection results of the two pairs of detection electrodes 3, 4 are averaged, and made to be sensor output, so that output variation becomes small.
摘要翻译：要解决的问题：为了防止粗粒子的测量差异，通过在电气的颗粒物质检测传感器中以低成本提高分级性能并快速检测具有高检测精度的DPF（柴油微粒过滤器）的故障等，用于内燃机排气中PM检测的电阻系统。解决方案：安装在发动机E / G的排气管EX中的PM传感器S的感测元件部分1将两对检测电极3,4与设置在绝缘基座10上的两个狭缝20a，20b的内侧作为测量空间2a，2b，在狭缝20a的两侧嵌入一对电场施加电极52,53，在狭缝20b的两侧嵌入一对电场施加电极52,53。因此，提供两对电场施加电极，其在狭缝20a和20b之间具有公共电场施加电极53。通过电场施加电极51,52在测量空间2a，2b中产生独特的电场，将两对检测电极3,4的PM检测结果平均化，并将其作为传感器输出，使得输出变化变小版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012012960A Particulate matter detection sensor 审中-公开
标题翻译：颗粒物检测传感器
公开(公告)号：JP2012012960A
公开(公告)日：2012-01-19
申请号：JP2010147862
申请日：2010-06-29
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： NAKAMURA SATOSHI , TERANISHI SHINYA , TAKEUCHI HIROFUMI , SAWADA TAKASHI , ITO HIDEAKI
IPC分类号： F01N3/02 , F01N3/00 , F01N3/023 , F01N3/025 , F01N3/029 , G01N27/04
CPC分类号： F01N9/002 , F02D41/1466 , G01N15/0656 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To prevent the deterioration of detection accuracy, and to obtain a stable sensor output, in a particulate matter detection sensor of an electric resistance type used for detecting PMs in exhaust gas.SOLUTION: A gas sensor element 10 of the PM sensor 1 attached to an exhaust pipe EX of an engine E/G is constituted by laminating a heater 300 on a detection part 100 having detection electrodes 11, 12. A control circuit 2 executes starting combustion control for holding a temperature of the detection part 100 at a temperature T1 at which the particulate matter PM can be burnt for a preset time S1 by carrying electricity to the heater 300 at start-up, after that, performs normal control, and prevents wrong detection caused by the residue of the particulate matter PM.
摘要翻译：要解决的问题为了防止检测精度的劣化，并且在用于检测废气中的PM的电阻型的颗粒物质检测传感器中获得稳定的传感器输出。解决方案：安装在发动机E / G的排气管EX上的PM传感器1的气体传感器元件10通过在具有检测电极11,12的检测部件100上层叠加热器300而构成。控制电路2 执行启动燃烧控制，以将检测部件100的温度保持在通过在启动时向加热器300传递电力而将颗粒物质PM燃烧预定时间S1的温度T1，然后进行正常控制，并防止由颗粒物质PM的残留物引起的错误检测。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2003075396A Gas sensor 有权
标题翻译：气体传感器
公开(公告)号：JP2003075396A
公开(公告)日：2003-03-12
申请号：JP2002154193
申请日：2002-05-28
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： NAKAMURA SATOSHI , MAKINO TASUKE , KOJIMA TAKASHI
IPC分类号： G01N27/409 , G01N27/407
CPC分类号： G01N27/4077
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor quick in a response speed, reduced in electric power consumption, excellent in wet-resistance, and reduced in dependency of an attaching direction and dependency of attaching angle.
SOLUTION: A measured-gas chamber 20 is provided in an inside of an inner cover 22, and gas flow holes 210, 220 for introducing measured gas are provided in side faces of the inner cover 22 and an outer cover 21. The gas flow hole 210 provided in the outer cover 21 is positioned in a more tipmost side compared with the gas flow hole 220 provided in a tipmost side in the inner cover 22. A partitioning part 25 extending in an axial direction of the gas sensor 21 is provided between the inner cover 22 and the outer cover 21.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了快速提供响应速度的气体传感器，降低电力消耗，耐湿性优异，并且依赖于附着方向和附着角度的依赖性降低。解决方案：测量气体室20设置在内盖22的内部，并且用于引入测量气体的气体流通孔210,220设置在内盖22和外盖21的侧面。气流孔与设置在内罩22的最前端的气体流通孔220相比，设置在外罩21中的210设置在更尖端的侧面。沿气体传感器21的轴向延伸的分隔部25设置在内盖22和外盖21。

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