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11. 发明专利

JP2010256100A Gas sensor and method for manufacturing same 有权
标题翻译：气体传感器及其制造方法
公开(公告)号：JP2010256100A
公开(公告)日：2010-11-11
申请号：JP2009104659
申请日：2009-04-23
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI , TAKEMA KANEO , OZAWA NAOTO , NODA HIROSHI , HIRANO KOICHI
IPC分类号： G01N27/409
CPC分类号： G01N27/4075 , Y10T29/49117
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor capable of ensuring the stable continuity of an electrode pad and a metal terminal, and a method for manufacturing same. SOLUTION: The gas sensor has a sensor element 2, an insertion holding insulator and a housing. The sensor element 2 is constituted by providing two pairs of electrode pads 21 to the base end part 22 and the electrode pads 21 are respectively arranged on both electrode forming surfaces 23 of the sensor element 2. The base end part 22 of the sensor element 2 is grasped by a terminal unit 3 composed of a pair of base end side insulators 31, the metal terminals 32 arranged to the inside surfaces of the base end side insulators 31 and a spring member 33 for pressing a pair of the base end side insulators 31 in a mutually approaching direction. The base end side insulators 31 have the insulator contact parts 316 coming into contact with the electrode forming surfaces 23 of the sensor element 2 and the insulator contact parts 316 are arranged on the base end side of the sensor element 2 from terminal contact points 322 with which the metal terminals 32 and the electrode pads 21 come into contact. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够确保电极焊盘和金属端子的稳定连续性的气体传感器及其制造方法。气体传感器具有传感器元件2，插入保持绝缘体和壳体。传感器元件2通过向基端部22提供两对电极焊盘21，电极焊盘21分别设置在传感器元件2的两个电极形成表面23上。传感器元件2的基端部22 由一对基端侧绝缘子31，设置在基端侧绝缘体31的内表面的金属端子32和用于按压一对基端侧绝缘体31的弹簧构件33构成的端子单元3 在相互接近的方向。基端侧绝缘体31具有与传感器元件2的电极形成面23接触的绝缘体接触部316，绝缘体接触部316从端子接触点322配置在传感器元件2的基端侧，金属端子32和电极焊盘21接触。版权所有（C）2011，JPO＆INPIT

12. 发明专利

JP2006066086A 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：JP2006066086A
公开(公告)日：2006-03-09
申请号：JP2004243861
申请日：2004-08-24
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI , ISHINADA TEIJI
IPC分类号： H01T13/20
CPC分类号： H01T13/34 , H01T13/20 , H01T13/39 , H01T13/41
摘要： PROBLEM TO BE SOLVED: To provide a spark plug for an internal combustion engine excellent in a noise killing property and capable of securing heat resistance.
SOLUTION: The spark plug 1 is provided with an insulator 2 with a center through-hole 21, a center electrode 3 held inside the center through-hole 21 in a state protruded from a tip of the insulator 2, a metal fitting 4 holding the insulator 2 with its tip kept protruded, and a grounding electrode 5 forming spark discharge gap 11 against the center electrode 3. The spark plug 1 has a resistive element 6 arranged at a base end side of the center electrode 3 in the center through-hole 21. An interval A between a tip 31 of the center electrode 3 and a tip 61 of the resistive element 6 is 10 mm≤A≤20 mm. A diameter D of the resistive element 6 is 2.0≤D≤3.5 mm.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的噪声杀伤性并能够确保耐热性的用于内燃机的火花塞。火花塞1设置有具有中心通孔21的绝缘体2，中心电极3以从绝缘体2的前端突出的状态保持在中心通孔21内，金属配件 4，保持其顶端保持突出的绝缘体2，以及形成火花放电间隙11抵靠中心电极3的接地电极5.火花塞1具有布置在中心电极3的基端侧的中心电极3的电阻元件6 中心电极3的尖端31和电阻元件6的尖端61之间的间隔A为10mm≤A≤20mm。电阻元件6的直径D为2.0≤D≤3.5mm。版权所有（C）2006，JPO＆NCIPI

13. 发明专利

JP2005116513A Spark plug 审中-公开
标题翻译： SPARK插头
公开(公告)号：JP2005116513A
公开(公告)日：2005-04-28
申请号：JP2004248822
申请日：2004-08-27
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： KANAO KEIJI , OKABE SHINICHI
IPC分类号： H01T13/20 , H01T13/39
CPC分类号： H01T13/39
摘要： PROBLEM TO BE SOLVED: To provide a spark plug having a reduced diameter stably sparking at a regular spark discharge plug when not sputtering, securing an ignition property even when sputtering and creeping discharge is generated.
SOLUTION: A spark plug has a mounting screw 12 of a mounting fitting 10 of M10 or smaller, and satisfies relations; (X + 0.3Y + Z)/G ≥2, Y1 (mm) ≥1, W/Z ≥4 and 1.25 ≤Z (mm) ≤1.55, wherein X is a distance between insulating glass 20 and a center electrode 30 at the tip 21 of the glass 20, Y is a creeping distance of the surface of the glass 20 outside the fitting 10, Y1 is a protrusion amount of the glass 20 from the fitting 10, Z is a pocket gap, G is a distance of a spark discharge gap 50, and W is a length on the surface of the glass 20 up to a site at which a distance between the glass 20 and the fitting 10 inside the fitting 10 becomes G or less.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种具有减小的直径的火花塞，其在不溅射时在常规火花放电塞上稳定地点火，即使在产生溅射和蠕变放电时也确保点火性能。解决方案：火花塞具有M10或更小的安装配件10的安装螺钉12，并且满足关系; （X + 0.3Y + Z）/G≥2，Y1（mm）≥1，W /Z≥4和1.25≤Z（mm）≤1.55，其中X是绝缘玻璃20与中心电极30之间的距离玻璃20的尖端21，Y是玻璃20的表面在配件10的外侧的蠕变距离，Y1是玻璃20从配件10的突出量，Z是口袋间隙，G是距离火花放电间隙50，W是玻璃20的表面上的长度，直到玻璃20与配件10内的配件10之间的距离成为G以下的位置。版权所有（C）2005，JPO＆NCIPI

14. 发明专利

JP2004134120A Spark plug 审中-公开
公开(公告)号：JP2004134120A
公开(公告)日：2004-04-30
申请号：JP2002295003
申请日：2002-10-08
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI , GOTO TSUNETOSHI , ABE NOBUO , SUZUKI HIROBUMI
IPC分类号： F02P13/00 , F16J15/08 , H01T13/08
CPC分类号： H01T13/08
摘要： PROBLEM TO BE SOLVED: To realize characteristics of a gasket for a spark plug which can secure adhesiveness through deformation due to clamping at an initial mounting stage and which does not suffer plastic deformation even with a larger action force than before when an engine is operating.
SOLUTION: Of a spark plug provided with a center electrode 30 retaining a screw part 10a to be screwed with an engine with inside a cylindrical main metal fitting 10 through an insulator 20, a grounding electrode 40 set in opposition to the center electrode 30 through a discharge gap 70, and a circular gasket fitted at an outer periphery of the main metal fitting 10 for maintaining a sealing property in screwing the main metal fitting 10 with an engine head 100, and the gasket 80 is to be provided with two bent parts of nearly an S-shape in cross section in a radial direction bent so as to have a smaller curvature due to an axial force generated by screwing with the engine, and is to be of a Vickers hardness of 200 or more and 400 or less.
COPYRIGHT: (C)2004,JPO

15. 发明专利

JP2007163307A Gas sensor 审中-公开
标题翻译：气体传感器
公开(公告)号：JP2007163307A
公开(公告)日：2007-06-28
申请号：JP2005360384
申请日：2005-12-14
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 , G01N27/4078
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor capable of preventing the deterioration of the airtightness between the atmosphere on the base end side of the gas sensor and the atmosphere on the side of a gas to be measured on the leading end side of the gas sensor. SOLUTION: The gas sensor 1 has a sensor element 11, the insulator 12 on the side of the sensor element 11 and a housing 13. The receiving surface 131 for receiving the contact part 121 provided to the outer peripheral part 120 of the insulator 12 on the side of the sensor element 11 is formed to the inside surface 130 of the housing 13. The receiving surface 131 of the housing 13 and the contact part 121 of the insulator 12 on the side of the element 11 are locked through a metal packing 2, and the atmosphere 141 on the base end side of the gas sensor 1 and the atmosphere 142 on the side of the gas to be measured on the leading end side of the gas sensor 1 are airtightly separated by the metal packing 2. The metal packing 2 comprises an alloy based on Fe and containing 10 wt.% or below of Cr. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种气体传感器，其能够防止气体传感器的基端侧的气氛与前端侧的待测气体侧的气氛之间的气密性的劣化的气体传感器。解决方案：气体传感器1具有传感器元件11，传感器元件11侧的绝缘体12和壳体13.用于接收设置在传感器元件11的外周部分120上的接触部分121的接收表面131 传感器元件11一侧的绝缘体12形成在壳体13的内表面130上。壳体13的接收表面131和绝缘体12在元件11侧的接触部分121通过一个金属填料2，气体传感器1的基端侧的气氛141和气体传感器1的前端侧的待测气体侧的气氛142由金属填料2气密地分离。金属填料2包含基于Fe并含有10重量％或更低的Cr的合金。版权所有（C）2007，JPO＆INPIT

16. 发明专利

JP2006269436A 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：JP2006269436A
公开(公告)日：2006-10-05
申请号：JP2006111182
申请日：2006-04-13
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI , HORI KOEN
IPC分类号： H01T13/39 , C22C5/04 , C22C19/05 , F02P13/00
摘要： PROBLEM TO BE SOLVED: To provide a spark plug excellent in bonding between an electrode material and a noble metal chip, while the ignition wearness of the noble metal chip and processability of the electrode material is maintained. SOLUTION: In the spark plug, at least one of the center electrode or the ground electrode thereof is made into an electrode base material, the noble metal chip (59, 60) is bonded to the noble electrode base material, and a repeated temperature variation is given not less than 100 cycles in air in a temperature range not higher than 300°C and not lower than 1000°C. The oxide of Cr is formed on the electrode base material at least at the contact portion of the electrode base material and the noble metal chip or the outer periphery of the molted portion thereof, and the oxide of Al is formed at a portion inner than that of the oxide of Cr when the electrode base material is exposed for not less than 1 hour in a condition not lower than 1000°C in a temperature variation. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供在电极材料和贵金属芯片之间的结合优异的火花塞，同时保持贵金属芯片的点火磨损和电极材料的加工性能。解决方案：在火花塞中，将中心电极或其接地电极中的至少一个制成电极基材，将贵金属芯片（59,60）接合到贵金属基体材料上，在不高于300℃且不低于1000℃的温度范围内在空气中重复温度变化不小于100个循环。 Cr的氧化物至少在电极基材和贵金属芯片的接触部分或其脱模部分的外周形成在电极基材上，Al的氧化物形成在内部的部分的电极基材在不低于1000℃的温度变化下暴露不少于1小时的Cr氧化物。版权所有（C）2007，JPO＆INPIT

17. 发明专利

JP2006114476A 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：JP2006114476A
公开(公告)日：2006-04-27
申请号：JP2005136162
申请日：2005-05-09
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 , H01T13/32 , H01T13/46
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 smolder resistance and durability.
SOLUTION: The spark plug for the internal combustion engine 1 is composed of a metal fitting 4, on an outer periphery of which a mounting screw part is arranged, an insulator 2 held by the metal fitting 4 so as to protrude its tip end part 21, center electrode 3 held by the insulator 2 so as its tip end part 31 to protrude from the insulator tip end part 21, a main grounding electrode 51 forming a main spark discharge gap 11 against the electrode tip end part 31, and a supplemental grounding electrode 52 forming a supplemental spark discharge gap 12 against a peripheral face of the insulator tip end part 21. The supplemental grounding electrode 52 has a tip end face 520 facing a center axis of the spark plug 1, and a diameter widening part 521 widening a distance from the center axis in an axial direction as it is headed from a tip end side to a base end side. A thickness T of the insulator tip end part 21 is 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：内燃机1的火花塞由金属配件4构成，金属配件4的外周配置有安装螺纹部，绝缘体2由金属配件4保持以使其尖端突出端部21，由绝缘体2保持的中心电极3作为其顶端部31从绝缘子末端部21突出，形成主电火花放电间隙11的主接地电极51抵靠电极前端部31，以及补充接地电极52，形成补充火花放电间隙12，抵靠着绝缘体顶端部21的周面。辅助接地电极52具有面向火花塞1的中心轴线的前端面520和直径扩大部 521在从尖端侧朝向基端侧的状态下，使轴线方向从轴心方向的距离变宽。绝缘体前端部21的厚度T为0.3mm≤T≤0.7mm。版权所有（C）2006，JPO＆NCIPI

18. 发明专利

JP2005339864A Spark plug 有权
标题翻译： SPARK插头
公开(公告)号：JP2005339864A
公开(公告)日：2005-12-08
申请号：JP2004154388
申请日：2004-05-25
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： H01T13/39 , H01T13/20 , H01T13/32
CPC分类号： H01T13/32
摘要： PROBLEM TO BE SOLVED: To satisfy heat resistant property and breakage resistant property of a ground electrode, in a spark plug equipped with a ground electrode narrowed down so as to secure high ignition property even at a high mixed gas stream velocity.
SOLUTION: The spark plug is provided with a metal fitting 10, an insulator 20 fixed inside the metal fitting 10 so that an end part 20a protrudes from an end part 10a of the metal fitting 10, a central electrode 30 fixed inside the insulator 20 so that an end part 30a protrudes from an end part 20a of the insulator 20, and a ground electrode 40 having a bent part 42 at a middle part with an end part 41 fixed to the metal fitting 10 and the other end part 43 opposed to the end part 30a of the central electrode 30 through a spark discharge gap 50. The ground electrode 40 is made of Ni or Fe as main component with Cr, Al added as additive, with a cross-section S of not less than 2 mm
2 and not more than 3 mm
2 , and an average value D of a crystal particle size in a thickness direction at least at the bent part 42 of 100 μm or more.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了满足接地电极的耐热性和耐破坏性，在具有接地电极的火花塞中变窄，以便即使在高混合气流速度下也能确保高的点火性能。火花塞设置有金属配件10，固定在金属配件10内的绝缘体20，使得端部20a从金属配件10的端部10a突出，固定在金属配件10的内部的中心电极30 绝缘体20，使得端部30a从绝缘体20的端部20a突出，并且接地电极40在中间部具有弯曲部42，端部41固定到金属配件10，另一端部43 通过火花放电间隙50与中心电极30的端部30a相对。接地电极40由作为主要成分的Ni或Fe制成，添加Cr，Al作为添加剂，横截面S不小于2 并且至少在弯曲部42处的厚度方向上的结晶粒径的平均值D为100μm以上，并且不超过3mm 2 。版权所有（C）2006，JPO＆NCIPI

19. 发明专利

JP2005129377A Spark plug 审中-公开
标题翻译： SPARK插头
公开(公告)号：JP2005129377A
公开(公告)日：2005-05-19
申请号：JP2003364161
申请日：2003-10-24
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI
IPC分类号： C22C32/00 , C22C5/04 , H01T13/20 , H01T13/36 , H01T13/39
CPC分类号： H01T13/39 , H01T13/20
摘要： PROBLEM TO BE SOLVED: To secure a withstand voltage appropriately in a spark plug of thin size having a mounting screw part of M10 or less.
SOLUTION: The mounting fitting 10 is provided with a mounting screw part 11 of M10 or less at the outer circumference. The portion having the maximum diameter in the circumference direction out of the portion located inside the mounting fitting 10 of the insulating insulator 20 is formed as a barrel 22, and the portion adjoining the barrel 22 on one end 20a side of the insulating insulator 20 is formed as an intermediate step part 23 having a smaller diameter than the barrel part 22. The barrel 22 and the intermediate step part 23 of the insulating insulator 20 are opposed to the inner face of the mounting fitting 10 through a gap. When the inner circumference diameter of the portion opposed to the barrel 22 via a gap out of the mounting fitting 10 is made D1 and the inner circumference diameter of the portion opposed to the intermediate step part 23 via a gap is made D2, (D1-D2)/2 is made 1.8 mm or less.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了在具有M10以下的安装螺钉部分的薄型火花塞中适当地确保耐受电压。
解决方案：安装配件10在外周设有M10以下的安装螺钉部11。绝缘绝缘子20的位于安装配件10的内侧的部分的圆周方向上具有最大直径的部分形成为筒体22，与绝缘体绝缘子20的一端20a侧的筒体22相邻的部分为形成为具有比筒部22小的直径的中间台阶部23.绝缘体绝缘体20的筒体22和中间台阶部23通过间隙与安装配件10的内表面相对。当通过安装配件10经由间隙将与镜筒22相对的部分的内圆周直径设为D1，并且通过间隙将与中间台阶部23相对的部分的内圆周直径设为D2时，（D1- D2）/ 2为1.8mm以下。版权所有（C）2005，JPO＆NCIPI

20. 发明专利

JP2004172053A Spark plug and manufacturing method thereof 有权
标题翻译： SPARK插头及其制造方法
公开(公告)号：JP2004172053A
公开(公告)日：2004-06-17
申请号：JP2002339245
申请日：2002-11-22
申请人： Denso Corp , 株式会社デンソー
发明人： KANAO KEIJI , GOTO TSUNETOSHI
IPC分类号： C22C5/04 , H01T13/20 , H01T13/32 , H01T13/39 , H01T21/02
CPC分类号： H01T21/02 , H01T13/39
摘要： PROBLEM TO BE SOLVED: To reconcile simplified processability of an Ir alloy chip and security of bondability in laser welding in a spark plug formed by bonding the Ir alloy chip to opposing portions of a center electrode and a ground electrode.
SOLUTION: The spark plug has an insulator 20 held within a housing 10. An end portion of the center electrode 30 held within the insulator 20 and an end portion of the ground electrode 40 are opposed to each other with a discharge gap 70 interposed in between. Ir alloy chips 50, 60 each made of a bar-shaped Ir alloy are respectively bonded to the portions of the center electrode 30 and the ground electrode 40 facing toward the discharge gap 70. A cross section perpendicular to the axis of the Ir alloy chips has an imperfect circular shape. In this cross section, where a circumscribed circle having the greatest diameter A among virtual circles tangential to at least three points along the outline of the cross section is assumed and an inscribed circle having the same center as the circumscribed circle and having the greatest diameter B is assumed, the ratio B/A between the two diameters A and B is 0.8 or greater and less than 1.0.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题是：通过将Ir合金芯片与中心电极和接地电极的相对部分接合而形成的火花塞中的Ir合金芯片的简化加工性和激光焊接中的可焊接性的安全性。火花塞具有保持在壳体10内的绝缘体20.保持在绝缘体20内的中心电极30的端部和接地电极40的端部彼此相对，并具有放电间隙70 介于两者之间。分别由棒状Ir合金制成的Ir合金片50,60分别接合到面向放电间隙70的中心电极30和接地电极40的部分。与Ir合金芯片的轴线垂直的截面具有不完美的圆形。在该横截面中，假设沿着横截面的轮廓与至少三个点切线的虚拟圆中具有最大直径A的外接圆，并且具有与外接圆具有相同中心并且具有最大直径B的内切圆假定两个直径A和B之间的比率B / A为0.8以上且小于1.0。版权所有（C）2004，JPO

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