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1. 发明专利

JP2007322134A Gas sensor 有权
标题翻译：气体传感器
公开(公告)号：JP2007322134A
公开(公告)日：2007-12-13
申请号：JP2006149326
申请日：2006-05-30
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： G01N27/409
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor excellent in the airtightness between the atmosphere and an atmosphere on the side of a gas to be measured. SOLUTION: The gas sensor 1 has a sensor element 2, the insulator 3 on the side of the sensor element and a housing 4. The housing 4 is constituted by forming an insulator receiving surface 400 for receiving a stepped contact part 300 to the inside surface 40 of the housing 4. The insulator receiving surface 400 and the stepped contact part 300 are locked through a packing 5, and the atmosphere 120 on the base end side of the housing 4 from the packing 5 and the atmosphere 110 on the side of the gas to be measured on the leading end side of the housing 4 are airtightly separated by the packing 5. The insulator receiving surface 400 is composed of a main receiving surface 401 on which the packing 5 is mainly arranged and an outside receiving surface 402 on which the outer peripheral end part 501 of the packing 5 is arranged. In the main receiving surface 401, an opening angle α being the angle formed by a pair of countour lines expressed in the cross section due to the plane containing the center axis M of the gas sensor 1 is 100° or below. In the outside receiving surface 402, an opening angle β is larger than the opening angle α of the main receiving surface 401. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种气体传感器，该气体传感器在待测气体一侧的气氛和气氛之间的气密性优异。解决方案：气体传感器1具有传感器元件2，传感器元件侧的绝缘体3和壳体4.壳体4通过形成用于接收阶梯式接触部分300的绝缘体接收表面400而构成外壳4的内表面40.绝缘体接收表面400和阶梯式接触部分300通过密封件5锁定，并且壳体4的基端侧的气氛120与填料5和气体110 在壳体4的前端侧测量的气体的一侧由密封件5气密地隔开。绝缘体接收面400由主容纳面401，主要配置在该主容纳面401和外部的接收面 402，其中布置有包装5的外周端部501。在主接收表面401中，由包含气体传感器1的中心轴线M的平面在由横截面表示的一对共轨线形成的角度的开度角α为100°以下。在外部接收表面402中，打开角β大于主接收表面401的打开角度α。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007218800A Gas sensor and its manufacturing method 审中-公开
标题翻译：气体传感器及其制造方法
公开(公告)号：JP2007218800A
公开(公告)日：2007-08-30
申请号：JP2006041348
申请日：2006-02-17
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： G01N27/409
CPC分类号： G01N27/4077
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor and its manufacturing method capable of suppressing application of an excessive stress onto the base end of a metal fitting, and securing airtightness between the atmosphere on the air side and the atmosphere on the side of gas to be measured. SOLUTION: This gas sensor 1 has a sensor element 2 for detecting a specific gas concentration in the gas to be measured; an element side insulating insulator 13 for inserting and holding the sensor element; the metal fitting 3 for holding the element side insulating insulator 13 to the inside, provided with an attaching screw part 39 on the outer periphery; and the air side cover 4 provided on the base end side of the metal fitting 3. The metal fitting 3 has a shell part 31 on which the air side cover 4 is fixed, a caulking part 32 bent toward the radius direction inside of the gas sensor 1 at the base end part, and a reduction part 33 wherein a radius direction distance to the center axis of the gas sensor 1 is reduced gradually toward the base end side between the caulking part 32 and the shell part 31. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种气体传感器及其制造方法，其能够抑制对金属配件的基端施加过大的应力，并且确保空气侧的大气与侧面的气氛之间的气密性的待测气体。解决方案：该气体传感器1具有用于检测待测气体中的特定气体浓度的传感器元件2; 用于插入和保持传感器元件的元件侧绝缘绝缘体13; 用于将元件侧绝缘体13保持在内部的金属配件3，在外周设置有安装螺纹部39; 以及设置在金属配件3的基端侧的空气侧罩4.金属配件3具有固定有空气侧盖4的外壳部31，朝向气体的内侧的半径方向弯曲的铆接部32 传感器1在基端部，以及还原部33，其中与气体传感器1的中心轴的半径方向距离朝着铆接部32与壳部31之间的基端侧逐渐减小。（C）2007，JPO＆INPIT

3. 发明专利

JP2007205985A Gas sensor 审中-公开
标题翻译：气体传感器
公开(公告)号：JP2007205985A
公开(公告)日：2007-08-16
申请号：JP2006027172
申请日：2006-02-03
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： G01N27/409
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor which prevents decrease in the airtightness between atmosphere at the air side and that at the side of gas to be measured. SOLUTION: The gas sensor 1 comprises: a sensor element 2 for detecting the concentration of specific gas in gas to be measured; an element-side insulating insulator 3 for inserting and holding the sensor element 2; and a housing 4 for holding the element-side insulating insulator 3 inside. The housing 4 has a tool fitting section 41 for fitting a mounting tool for mounting the gas sensor 1 to a measurement part at the outer periphery, and an insulator receiving surface 400 for receiving a step-like contacting section 300, provided at an outer-periphery section 30 in the element-side insulating insulator 3, is formed on the inner surface 40. The insulator receiving surface 400 of the housing 4, and the step-like contacting section 300 of the element-side insulating insulator 3 are engaged via a packing 5. The packing 5 is arranged closer to a base end side, as compared with the tool-fitting section 41. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种气体传感器，其防止空气侧的气氛和待测量的气体侧的气体之间的气密性的降低。气体传感器1包括：传感器元件2，用于检测要测量的气体中的比气体的浓度; 用于插入和保持传感器元件2的元件侧绝缘绝缘体3; 以及用于将元件侧绝缘体3保持在内部的壳体4。壳体4具有用于将安装气体传感器1的安装工具装配到外周的测量部件的工具装配部分41和用于接收台阶状接触部分300的绝缘体接收表面400，元件侧绝缘绝缘体3的周边部30形成在内表面40上。壳体4的绝缘体接收面400和元件侧绝缘体3的台阶状接触部300经由包装5.与工具装配部分41相比，包装5布置得更接近基端侧。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005294272A Manufacturing method of spark plug 审中-公开
标题翻译：火花插头的制造方法
公开(公告)号：JP2005294272A
公开(公告)日：2005-10-20
申请号：JP2005160936
申请日：2005-06-01
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI , HORI KOEN
IPC分类号： H01T21/02
摘要： PROBLEM TO BE SOLVED: To improve connectivity between a ground electrode and a noble metal chip while appropriately securing an ignition property in a spark plug in which the metal chip is welded to the ground electrode.
SOLUTION: A manufacturing method of a spark plug arranges a center electrode (30) and a ground electrode (40) oppositely arranged with each other through a discharge gap (50) and laser-welds a noble metal chip (45) at a part facing the discharge gap (50) of the ground electrode (40). The method contacts one end face (45b) of the metal chip (45) with a surface (43) of the ground electrode (40) without burying the end face (45b) into the ground electrode (40), and next, irradiates laser to an angle part (49) made by a side face (45a) of the metal chip (45) and the surface (43) of the ground electrode (40) from a direction oblique to the side face (45a) of the metal chip (45) and the surface (43) of the ground electrode (40) to weld the metal chip (45) and the ground electrode (40).
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提高接地电极和贵金属芯片之间的连接性，同时适当地确保将金属芯片焊接到接地电极的火花塞中的点火性能。解决方案：火花塞的制造方法通过放电间隙（50）将中心电极（30）和接地电极（40）彼此相对布置，并将贵金属芯片（45）激光焊接在面对接地电极（40）的放电间隙（50）的部分。该方法将金属芯片（45）的一个端面（45b）与接地电极（40）的表面（43）接触，而不将端面（45b）埋入接地电极（40）中，接着照射激光由金属屑（45）的侧面（45a）和接地电极（40）的表面（43）由与金属片（45）的侧面（45a）倾斜的方向形成的角部（49）（45）和接地电极（40）的表面（43）焊接金属芯片（45）和接地电极（40）。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2007285915A Gas sensor 审中-公开
标题翻译：气体传感器
公开(公告)号：JP2007285915A
公开(公告)日：2007-11-01
申请号：JP2006114340
申请日：2006-04-18
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： G01N27/409
CPC分类号： G01N27/407
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor having excellent gas-tightness between the air side atmosphere and the measuring gas side atmosphere. SOLUTION: The gas sensor 1 has a sensor element 2, an element side insulator 3 and a housing 4. The housing 4 has on the periphery, a tool fitting part 41 for fitting a mounting tool for mounting the gas sensor 1 on a measuring spot, and has an insulator receiving face 400 formed on the inside face, for receiving a stepped abutting part 300 provided on the peripheral part 30 of the element side insulator 3. The insulator receiving face 400 of the housing 4 is engaged with the stepped abutting part 300 of the element side insulator 3 through a packing 5. The air side atmosphere 120 on the furthermore base end side than the packing 5 is separated gas-tightly from the measuring gas side atmosphere 110 on the tip side by the packing 5. As for the insulator receiving face 400, the opening angle θ which is an angle formed by a pair of contour lines shown on a section by a plane including the center axis M of the gas sensor 1 is 100° or less. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供在空气侧气氛和测量气体侧气氛之间具有优异的气密性的气体传感器。解决方案：气体传感器1具有传感器元件2，元件侧绝缘体3和壳体4.外壳4具有用于将安装工具安装在气体传感器1上的工具装配部41 测量点，并且具有形成在内表面上的绝缘体接收面400，用于容纳设置在元件侧绝缘体3的周边部分30上的阶梯状邻接部分300.壳体4的绝缘体接收面400与元件侧绝缘体3的台阶抵接部300通过密封件5.另外，基端侧的空气侧气氛120比密封件5在气密侧与密封件5的前端侧的测量气体侧气氛110分离对于绝缘体接收面400，由包括气体传感器1的中心轴线M的平面的一部分所示的一对轮廓线形成的角度的开度θ为100°以下。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007087969A Spark plug and its manufacturing method 有权
标题翻译：火花塞及其制造方法
公开(公告)号：JP2007087969A
公开(公告)日：2007-04-05
申请号：JP2006351906
申请日：2006-12-27
申请人： Denso Corp , 株式会社デンソー
发明人： HORI KOEN , KANAO KEIJI
IPC分类号： H01T13/20 , H01T13/39
摘要： PROBLEM TO BE SOLVED: To improve bonding reliability between a ground electrode and a noble-metal chip even if the noble-metal chip is made thin to secure high ignitability in a spark plug wherein the noble-metal chip is laser welded to the ground electrode. SOLUTION: This spark plug has the noble-metal chip 65 bonded to a tip end surface 47 of the ground electrode 40 through a melting part 64 formed by laser welding in a state that at least a part is buried. The noble-metal chip 65 is projected to a center electrode side more than a opposed surface 43 with the center electrode in the ground electrode 40, and its projection tip part 66 faces the center electrode while being separated by a discharging gap. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提高接地电极和贵金属芯片之间的接合可靠性，即使贵金属芯片变薄以确保火花塞的高点火性，其中贵金属芯片被激光焊接到接地电极。解决方案：该火花塞具有通过在至少一部分被埋设的状态下通过激光焊接形成的熔化部分64而接合到接地电极40的末端表面47上的贵金属芯片65。贵金属芯片65比接地电极40中的中心电极的中心电极侧多一个地突出，并且其突出尖端部分66面对中心电极同时被放电间隙隔开。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006156110A Spark plug for internal combustion engine 有权
标题翻译：火花塞用于内燃机
公开(公告)号：JP2006156110A
公开(公告)日：2006-06-15
申请号：JP2004344506
申请日：2004-11-29
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： H01T13/20 , C22C19/05 , C22C38/00 , C22C38/18 , H01T13/16 , H01T13/39
CPC分类号： H01T13/39 , H01T13/20
摘要： PROBLEM TO BE SOLVED: To provide a spark plug for a small-sized internal combustion engine having a sufficient heat value.
SOLUTION: This spark plug 1 for the internal combustion engine is provided with a mounting fitting 2 in which a screw 21 for mounting with a screw diameter of M12 or less is installed, provided with an insulating insulator 3 inserted into, fitted to, and retained by the mounting fitting 2, provided with the center electrode 4 inserted into, fitted to, and retained by the insulating insulator 3, and provided with a ground contact electrode 11 to form a fire spark discharge gap between electrode tips 41. The center electrode 4 is constituted of an oxidation resistant alloy 42 composed by adding at least one kind of Cr, Al to Ni or Fe as a main component, and a superior heat conductive metal 43 composed of Cu, a Cu alloy, Ni, or a complex material of these. At least an exposed part of the center electrode 4 exposed from the insulating insulator 3 at the tip side is constituted of the oxidation resistant alloy 42. At least at the axial direction position of an insulator fixing part 22 that is a part in which the insulating insulator 3 is locked and fixed to the mounting fitting 2, the superior heat conductive metal 43 is exposed to the external peripheral face of the center electrode 4.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有足够热值的小型内燃机的火花塞。解决方案：内燃机用火花塞1设置有安装配件2，安装配件2，安装有螺纹直径为M12以下的螺钉21，其上安装有绝缘绝缘子3，并由安装配件2保持，安装配件2设置有中心电极4，该中心电极4插入，安装并由绝缘绝缘体3保持，并且设置有接地电极11，以在电极端头41之间形成火花放电间隙。中心电极4由以Ni，Fe为主要成分添加Cr，Al中的至少一种，Cu，Cu合金，Ni，或者Cu合金构成的导热性高的金属43构成的耐氧化合金42构成。这些的复杂材料。绝缘绝缘子3的顶端露出的中心电极4的至少暴露部分由耐氧化合金42构成。至少在绝缘体固定部22的轴向位置，绝缘体固定部22是绝缘体绝缘体3被锁定并固定到安装配件2，上部导热金属43暴露于中心电极4的外周面。（C）2006年，JPO＆NCIPI

8. 发明专利

JP2006085997A Spark plug for internal combustion engine 审中-公开
标题翻译：火花塞用于内燃机
公开(公告)号：JP2006085997A
公开(公告)日：2006-03-30
申请号：JP2004268814
申请日：2004-09-15
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： H01T13/32 , H01T13/46
CPC分类号： H01T13/20 , H01T13/32
摘要： PROBLEM TO BE SOLVED: To provide a spark plug for an internal combustion engine excellent in igniting performance when an auxiliary spark discharge gap sparks.
SOLUTION: The spark plug for an internal combustion engine comprises a mounting bracket 4, an insulator 2 supported by the mounting bracket 4, a central electrode 3 held by the insulator 2, a main ground electrode 5 forming a main spark discharge gap 11 with an end 31 of the center electrode, and an auxiliary ground electrode 6 forming an auxiliary spark discharge gap 12 with an end 21 of the insulator. The auxiliary ground electrode 6 has a base end surface 69, a tip end surface 61, a inner side surface 62 and an outer side surface 63. In the auxiliary ground electrode 6, an inner angular portion 64 is formed between the tip end surface 61 and the inner side surface 62, while an outer angular portion 65 is formed between the tip end surface 61 and the outer side surface 63. The tip end surface 61 of the auxiliary ground electrode 6 is formed so that radial distance between the outer side surface 212 of the tip portion 21 of the insulator becomes lager toward the outer angular portion 65 from the inner angular portion 64.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：当辅助火花放电间隙火花时，提供具有优异点燃性能的内燃机用火花塞。解决方案：用于内燃机的火花塞包括安装支架4，由安装支架4支撑的绝缘体2，由绝缘体2保持的中心电极3，形成主火花放电间隙的主接地电极5 11，中心电极的端部31和辅助接地电极6形成具有绝缘体的端部21的辅助火花放电间隙12。辅助接地电极6具有基端面69，前端面61，内侧面62和外侧面63.在辅助接地电极6中，在前端面61 和内侧面62，而在前端面61和外侧面63之间形成有外角部65.辅助接地电极6的前端面61形成为使得外侧面绝缘体的顶端部分212的212从内角部64向外角部65变大。（C）2006年，JPO＆NCIPI

9. 发明专利

JP2006085941A Spark plug for internal combustion engine 审中-公开
标题翻译：火花塞用于内燃机
公开(公告)号：JP2006085941A
公开(公告)日：2006-03-30
申请号：JP2004267098
申请日：2004-09-14
申请人： Denso Corp , 株式会社デンソー
发明人： KOYAMA TAIJI , KANAO KEIJI
IPC分类号： H01T13/20 , H01T13/14
CPC分类号： H01T13/32 , H01T13/20
摘要： PROBLEM TO BE SOLVED: To provide a spark plug for an internal combustion engine excellent in smoldering resistant property and durability.
SOLUTION: The spark plug 1 for an internal combustion engine comprises a metal fitting for mounting 4 having a mounting screw part on its outer periphery, an insulator 2 held by the metal fitting for mounting 4 in a manner of protruding a tip end part of the insulator 21, a center electrode 3 held on the insulator 2 in a manner of protruding a tip end part of the electrode 31 from the tip end part of the insulator 21, a main grounding electrode 51 forming a main arc discharging gap 11 between the tip end part of the electrode 31 and itself, and a supplemental grounding electrode 52 forming a supplemental arc discharging gap 12 between the tip end part of the insulator 21 and itself. The supplemental grounding electrode 52 has a base end face 529, a tip end face 521, and an inside face 522. The supplemental arc discharging gap 12 is a part where the distance between the insulator 12 and the supplemental grounding electrode 52 become shortest. The thickness T of the tip end part of the insulator 21 fulfills a relation; 0.3 mm≤T≤0.7 mm.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种耐闷燃性和耐久性优异的内燃机用火花塞。解决方案：用于内燃机的火花塞1包括用于安装在其外周上的安装螺钉部分4的金属配件，由金属配件保持的绝缘体2，以安装4的方式突出顶端绝缘体21的一部分，以从绝缘体21的前端突出电极31的前端部的方式保持在绝缘体2上的中心电极3，形成主电弧放电间隙11的主接地电极51 在电极31的前端部与本身之间，以及在绝缘体21的前端部与本身之间形成补充电弧放电间隙12的补充接地电极52。补充接地电极52具有基端面529，前端面521和内表面522.补充电弧放电间隙12是绝缘体12与辅助接地电极52之间的距离变短的部分。绝缘体21的前端部的厚度T成为关系; 0.3mm≤T≤0.7mm。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2015056334A 外部電極構造体审中-公开
标题翻译：外部电极结构
公开(公告)号：JP2015056334A
公开(公告)日：2015-03-23
申请号：JP2013190116
申请日：2013-09-13
申请人：株式会社デンソー , Denso Corp
发明人： KANAO KEIJI
IPC分类号： H01R13/533 , F01N3/00 , F01N3/20 , F01N3/28 , H05B3/03
摘要：【課題】絶縁性を十分に確保しつつ径方向の大きさの増大を防止できると共に、組み付け時における絶縁体の破壊を防止することが可能な外部電極構造体を提供すること。【解決手段】中心電極2と、これを内側に保持する絶縁体3と、これを内側に保持する金属製保持体4と、絶縁体3と金属製保持体4との間に設けられた充填部5とを有する外部電極構造体1である。中心電極2は、先端側金属電極21と、基端側金属電極22と、導電性金属とガラスとの混合材からなり、かつ先端側金属電極21と基端側金属電極22との間を接合する導電性シール部23とを有する。充填部5は、無機粉末を充填してなる。充填部5の基端側端面55は、導電性シール部23の基端側端面235よりもの軸方向100における先端側に位置するか、あるいは導電性シール部23の基端側端面235と同じ位置に位置している。【選択図】図1
摘要翻译：要解决的问题：提供一种能够在组装时防止绝缘体损坏的外部电极结构，并且在充分确保绝缘质量的同时避免径向尺寸增大。解决方案：外部电极结构1包括：中心电极2; 绝缘体3，其将中心电极2保持在内部; 将绝缘体3保持在内部的金属保持件4; 以及设置在绝缘体3和金属保持件4之间的填充部5.中心电极2具有：尖端侧金属电极21; 近侧侧金属电极22; 以及由导电性金属和玻璃的混合材料形成并且在前端侧金属电极21和基端侧金属电极22之间结合的导电性密封部23.填充部5通过将无机粉末。填充部5的基端侧端面55位于距导电性密封部23的基端侧端面235的轴向100的另一端侧。另外，基端侧端面55位于与导电性密封部23的基端侧端面235位置相同。

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