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1. 发明专利

JP2013160201A Ignition device 有权
标题翻译：点火装置
公开(公告)号：JP2013160201A
公开(公告)日：2013-08-19
申请号：JP2012025110
申请日：2012-02-08
申请人： Denso Corp , 株式会社デンソー
发明人： SHIBATA MASAMICHI , MIZUTANI ATSUYA , HATTORI KOICHI , IMANAKA TAISHIN
IPC分类号： F02P15/00
摘要： PROBLEM TO BE SOLVED: To provide an ignition device capable of properly determining whether there is an open fault in a constant voltage route L3 in the ignition device.SOLUTION: A resistor 20 to detect a current is provided to a constant voltage route L3. In such a configuration, when a switching element 16 is in an ON state and a primary coil 12a is energized, fault determination processing is performed, and thereby it is determined that there is an open fault in the constant voltage route L3 if it is determined that a current is not detected by the resistor 20. When it is determined that there is an open fault, notification processing is performed, and thereby a user is notified accordingly.
摘要翻译：要解决的问题：提供能够适当地确定点火装置中的恒定电压路径L3中是否存在开路故障的点火装置。解决方案：向恒定电压路径L3提供用于检测电流的电阻器20。在这种结构中，当开关元件16处于导通状态并且初级线圈12a通电时，进行故障判定处理，从而如果确定了恒定电压路径L3中存在开路故障电阻器20没有检测到电流。当确定存在开路故障时，执行通知处理，从而相应地通知用户。

2. 发明专利

JP2013065476A Ignition plug and ignition device 有权
标题翻译：点火插头和点火装置
公开(公告)号：JP2013065476A
公开(公告)日：2013-04-11
申请号：JP2011203890
申请日：2011-09-17
申请人： Denso Corp , 株式会社デンソー
发明人： SHIBATA MASAMICHI , IMANAKA TAISHIN , TSUBOTA NORIYOSHI , MIZUTANI ATSUYA , HATTORI KOICHI
IPC分类号： H01T13/20 , F02P13/00 , H01T13/32 , H01T15/00
摘要： PROBLEM TO BE SOLVED: To provide an ignition plug and an ignition device capable of canceling the raising effect of discharge voltage due to retention of plus ions, when implementing plus discharge.SOLUTION: In an ignition plug 20, a ground electrode 23 having the potential of minus pole due to a discharge voltage applied from an ignition coil 30 is provided with a ground protrusion 24 protruding from a ground body 25 toward a center electrode 21. The protrusion amount L of the ground protrusion 24 from the ground body 25 is defined for the cross-section area S of the ground protrusion 24. Consequently, the ground protrusion 24 can sustain the temperature of activating discharge of thermion from the ground electrode 23. When the discharge voltage lowering effect due to activation of thermion discharge is exhibited together with the discharge voltage lowering effect due to electric field concentration, the raising effect of discharge voltage due to retention of plus ions is canceled.
摘要翻译：要解决的问题：提供一种点火装置和点火装置，当实施加放电时，能够抵消由于保留正离子而引起的放电电压的升高效果。解决方案：在火花塞20中，具有由点火线圈30施加的放电电压而具有负极电位的接地电极23设置有从接地体25向中心电极21突出的接地突起24 接地突起24的接地突起24的突出量L被限定为接地突起24的横截面积S.因此，接地突起24可以承受从接地电极23激活热离子的放电的温度当由于电离放电引起的放电电压降低效应与由于电场浓度引起的放电电压降低效果一起出现时，由于正离子的保留而导致的放电电压的升高效果被消除。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2013038063A 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：JP2013038063A
公开(公告)日：2013-02-21
申请号：JP2012083878
申请日：2012-04-02
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Denso Corp , 株式会社デンソー
发明人： INOHARA TAKAYUKI , OKABE SHINICHI , AOCHI TAKANOBU , IWAMI ATSUSHI , SHIBATA MASAMICHI
IPC分类号： H01T13/02 , F02P13/00 , H01T13/20
CPC分类号： H01T13/32
摘要： PROBLEM TO BE SOLVED: To provide a spark plug for an internal combustion engine having a simple structure which can secure stable ignitability regardless of a mounting posture to the internal combustion engine.SOLUTION: A spark plug 1 for an internal combustion engine includes: a housing 2; a cylindrical insulator 3 held on the inner side of the housing 2; a central electrode 4 held on the inner side of the insulator 3 so as to make a tip 41 thereof project; a ground electrode 5 connected to the housing 2 and forming a spark discharge gap G between the ground electrode 5 and the central electrode 4; and a tip projecting portion 22 projecting from a tip 21 of the housing 2 to the tip side. In the tip projecting portion 22, a width W1 in the plug radial direction is larger than a width W2 in the plug peripheral direction. A projecting amount H of the tip projecting portion 22 to the plug axial direction is smaller than that of the ground electrode 5. The tip projecting portion 22 projects in parallel with the plug axial direction.
摘要翻译：要解决的问题：提供一种具有简单结构的内燃机的火花塞，其能够确保稳定的点火性，而与内燃机的安装姿态无关。解决方案：一种用于内燃机的火花塞1包括：壳体2; 保持在壳体2的内侧的圆柱形绝缘体3; 保持在绝缘体3的内侧以使其尖端41突出的中心电极4; 连接到壳体2并在接地电极5和中心电极4之间形成火花放电间隙G的接地电极5; 以及从壳体2的尖端21向尖端侧突出的前端突出部22。在尖端突出部22中，插头径向的宽度W1大于插头周向的宽度W2。尖端突出部22相对于插头轴向的突出量H小于接地电极5的突出量H.尖端突出部22与插头轴向平行地突出。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2013007351A Ignition device for internal combustion engine 有权
标题翻译：用于内燃机的点火装置
公开(公告)号：JP2013007351A
公开(公告)日：2013-01-10
申请号：JP2011141419
申请日：2011-06-27
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Denso Corp , 株式会社デンソー
发明人： AOCHI TAKANOBU , SHIBATA MASAMICHI
IPC分类号： F02P3/01 , F02P11/00 , F02P17/12 , F02P23/04 , H01T15/00
摘要： PROBLEM TO BE SOLVED: To provide an ignition device for an internal combustion engine capable of restraining a probabilistic fluctuation on a stretching effect of a discharge arc and attaining stable combustion in an internal combustion engine aiming stabilization of combustion by stretching the discharge arc while acting an air current generated in a cylinder on the discharge arc generated at the time of applying high voltage between a center electrode and a ground electrode.SOLUTION: As a discharge arc stretching determination means for determining whether or not the discharge arc 13 is actually stretched, the ignition device for an internal combustion engine includes magnetic field generation means MG, MGto calculate a voltage fluctuation rate ΔV (kV/ms) from discharge voltage VIG during a designated period (0.05 ms) and to generate a magnetic field in order to assist stretching of the discharge arc 13 owing to an air current TMB in a cylinder by making the magnetic field act on the discharge arc 13 when it is determined that the discharge arc 13 is not stretched by comparison with a designated threshold V.
摘要翻译：解决的问题：提供一种内燃机的点火装置，其能够抑制放电电弧的拉伸效果的概率波动，并且通过拉伸放电弧来实现燃烧稳定化的内燃机中的稳定燃烧同时在中心电极和接地电极之间施加高电压时产生的放电电弧上产生的气缸中产生气流。解决方案：作为用于确定放电电弧13是否实际拉伸的放电电弧延伸确定装置，内燃机的点火装置包括磁场产生装置MG 1 < SB>，MG 2 ，以在指定时段（0.05ms）内从放电电压VIG计算电压波动率ΔV（kV / ms），并产生磁场，以便当通过与指定的阈值V REF 。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2012127229A Gasoline engine 审中-公开
标题翻译：汽油发动机
公开(公告)号：JP2012127229A
公开(公告)日：2012-07-05
申请号：JP2010277968
申请日：2010-12-14
申请人： Denso Corp , 株式会社デンソー
发明人： SATO YOSHITAKA , SHIBATA MASAMICHI
IPC分类号： F01N3/023 , F01N3/02 , F01N3/027 , F02P9/00
摘要： PROBLEM TO BE SOLVED: To provide a gasoline engine capable of efficiently removing particulate matter included in exhaust gas.SOLUTION: The gasoline engine 1 includes: a combustion chamber 2 to which gasoline fuel is supplied; and a spark plug 3 for igniting the gasoline fuel supplied to the combustion chamber 2. A purifying device 4 for collecting particulate matter 10 included in exhaust gas is provided on an exhaust passage of the exhaust gas generated in the combustion chamber 2 due to the combustion of the gasoline fuel. The gasoline engine 1 is configured to apply a voltage to a spark discharge gap 30 of the spark plug 3 when performing an exhaust stroke for exhausting the exhaust gas from the combustion chamber 2. The particulate matter 10 is easily collected in the purifying device 4 by using the spark plug 3 to electrically charge the particulate matter 10.
摘要翻译：要解决的问题：提供能够有效地去除废气中包括的颗粒物质的汽油发动机。汽油发动机1包括：供给汽油燃料的燃烧室2; 以及用于点燃供给到燃烧室2的汽油燃料的火花塞3.用于收集废气中的颗粒物质10的净化装置4设置在燃烧室2中由于燃烧而产生的废气的排气通道的汽油燃料。汽油发动机1构成为，在进行用于从燃烧室2排出废气的排气冲程时，向火花塞3的火花放电间隙30施加电压。颗粒物10容易地通过净化装置4收集在净化装置4中使用火花塞3对颗粒物质10进行充电。版权所有：（C）2012，JPO＆INPIT

6. 发明专利

JP2011007124A Ignition device and ion current detection system 有权
标题翻译：点火装置和离子电流检测系统
公开(公告)号：JP2011007124A
公开(公告)日：2011-01-13
申请号：JP2009152097
申请日：2009-06-26
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： WATANABE MASAHIKO , OKABE SHINICHI , HASHINASHI KEN , MAKINO HIROAKI , SHIBATA MASAMICHI
IPC分类号： F02P15/00 , F02P13/00 , F02P17/12 , H01T13/04 , H01T15/00
摘要： PROBLEM TO BE SOLVED: To provide an ignition device reducing noise included in ion current.SOLUTION: The ignition device 10 includes a discharge electrode 24 electrically connected to a secondary coil 13 and keeping a secondary gap 29 with a stem 34, and a diode element 25 connected between the secondary coil 13 and the stem 34 and connected in parallel with the second gap 29 so as to make ion current flow from the secondary coil 13 side to the stem 34 side. Electricity is discharged at the secondary gap 29 by applying plug discharge voltage generated at the secondary coil 13 side on the discharge electrode 24, and electricity is discharged at a first gap 36 by applying discharge voltage based on the discharge on the stem 34.
摘要翻译：要解决的问题：提供降低离子电流中包含的噪声的点火装置。解决方案：点火装置10包括电连接到次级线圈13并且保持具有杆34的次级间隙29的放电电极24和二极管元件 25连接在次级线圈13和杆34之间并且与第二间隙29并联连接，以使离子电流从次级线圈13侧流到杆34侧。通过在放电电极24上施加在次级线圈13侧产生的插头放电电压，在二次间隙29放电，并且通过将基于放电的放电电压施加在杆34上而在第一间隙36放电。

7. 发明专利

JP2010272323A Plasma ignition device 有权
标题翻译：等离子体点火装置
公开(公告)号：JP2010272323A
公开(公告)日：2010-12-02
申请号：JP2009122581
申请日：2009-05-20
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： TAKEUCHI TAKAYUKI , SHIBATA MASAMICHI
IPC分类号： H01T13/52 , F02B23/08 , F02P3/01 , F02P13/00
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a plasma ignition device performing ignition by injecting gas in a plasma state into an engine which facilitates the growth of a flame kernel and has an excellent ignition property and excellent durability. SOLUTION: A plasma ignition device 1 is arranged to partition a discharge space 140 by a central electrode 110, a substantially cylindrical insulator 120 extending downward below a lower end surface of the electrode, and a grounding electrode 130 having an opening 131 communicating with an opening of the insulator to perform the application of a high voltage and the supply of a large current to the discharge space 140 to put the gas within the discharge space 140 in the plasma state, and to inject the gas into a combustion chamber 400 of an engine for ignition. As an eddying flow forming means for forming a plurality of eddying flows that are oriented to the center from their outer circumferences and different in moving velocity for a flow of a plasma jet PZ jetted from the discharge space 140, there is provided a shroud 15 having an eddying flow forming space 141 partitioned by peripheral walls 150, 151 surrounding the opening 131 and partially differing in height from each other at an front end side of the grounding electrode 130. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过将等离子体状态的气体注入发动机来进行点火的等离子体点火装置，该发动机有利于火焰核的生长并且具有优异的点火性能和优异的耐久性。解决方案：等离子体点火装置1被布置成通过中心电极110，在电极的下端表面下方向下延伸的基本上圆柱形的绝缘体120以及具有连通的开口131的接地电极130来分隔放电空间140 具有绝缘体的开口以执行施加高电压并且向放电空间140供应大电流以将放电空间140内的气体置于等离子体状态，并将气体注入到燃烧室400中的发动机点火。作为用于形成多个涡流的涡流流动形成装置，其从其外周方向定向到中心并且对于从放电空间140喷射的等离子体喷射PZ的流动具有不同的移动速度，提供了一种护罩15，围绕开口131并且在接地电极130的前端侧彼此高度部分地不同的周边壁150,151分隔的涡流形成空间141.（C）2011，JPO＆INPIT

8. 发明专利

JP2014116182A 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：JP2014116182A
公开(公告)日：2014-06-26
申请号：JP2012269106
申请日：2012-12-10
申请人： Denso Corp , 株式会社デンソー , Nippon Soken Inc , 株式会社日本自動車部品総合研究所
发明人： SHIBATA MASAMICHI , INOHARA TAKAYUKI , OKABE SHINICHI , AOCHI TAKANOBU , DOI KAORI
IPC分类号： H01T13/02 , F02P13/00
CPC分类号： H01T13/02 , H01T13/32
摘要： PROBLEM TO BE SOLVED: To provide a simply structured spark plug for an internal combustion engine, capable of securing stable ignitability regardless of a mounting attitude to the internal combustion engine.SOLUTION: A spark plug 1 has a cylindrical housing 2, a cylindrical insulator 3 held on the inside of the housing 2, a center electrode 4 held on the inside of the insulator 3 so that a tip part 41 thereof protrudes, a grounding electrode 5 protruding toward the tip side from a tip part 21 of the housing 2 and forming a spark discharge gap G between itself and the center electrode 4, a confronting projection 23 protruding to the tip side from the tip part 21 of the housing 2 at a position opposite to the grounding electrode 5 with the center electrode 4 held between, an electrode side air guiding projection 22 protruding to the tip side from the tip part 21 of the housing 2 at a position nearer to the grounding electrode 5 than to the confronting projection 23, and a confronting air guiding projection 24 protruding to the tip side from the tip part 21 of the housing 2 at a position nearer to the confronting projection 23 than to the grounding electrode 5.
摘要翻译：要解决的问题：提供一种用于内燃机的简单结构的火花塞，其能够确保稳定的点火性，而与内燃机的安装姿态无关。解决方案：火花塞1具有圆柱形壳体2，圆柱形绝缘体3 保持在壳体2的内部，中心电极4，其保持在绝缘体3的内侧，使得其顶端部41突出;接地电极5，从壳体2的前端部21突出到前端侧，并形成在其与中心电极4之间的火花放电间隙G，在与中心电极4保持在其间的与接地电极5相对的位置处从壳体2的末端部分21突出到顶端侧的相对突起23，在与接地电极5相比更接近接地电极5的位置处，从壳体2的前端部21突出到前端侧的侧面空气引导突起22和面对着的空气引导突起24在比接地电极5更靠近对置突起23的位置处从壳体2的末端部分21突出到尖端侧。

9. 发明专利

JP2013096382A Ignition device of internal combustion engine 有权
标题翻译：内燃机点火装置
公开(公告)号：JP2013096382A
公开(公告)日：2013-05-20
申请号：JP2011242759
申请日：2011-11-04
申请人： Denso Corp , 株式会社デンソー
发明人： IMANAKA TAISHIN , SHIBATA MASAMICHI , MIZUTANI ATSUYA , HATTORI KOICHI
IPC分类号： F02P3/00 , F02P3/08 , F02P15/00 , F02P15/10 , H01F38/12 , H01T15/00
摘要： PROBLEM TO BE SOLVED: To enable positive discharge for suppressing electrode wear while suppressing an increase in size of an ignition coil.SOLUTION: This ignition device includes: the ignition coil 20 including a primary coil L1 and a secondary coil L2; a circuit for capacitive discharge for discharging stored electric power to the primary coil L1 to raise an absolute value of secondary voltage and cause capacitive discharge; and a circuit for inductive discharge for blocking energization to the primary coil L1 to raise an absolute value of the secondary voltage and cause inductive discharge. The positive discharge specifying a center electrode 41 of an ignition plug 40 as a positive electrode is executed by capacitive discharge. An energization state to the primary coil L1 is controlled by an ECU 10 (control means) to switch the positive discharge to negative discharge by the inductive discharge in the middle of the positive discharge.
摘要翻译：要解决的问题：为了在抑制点火线圈的尺寸增加的同时实现用于抑制电极磨损的正放电。该点火装置包括：点火线圈20，其包括初级线圈L1和次级线圈L2; 用于将存储的电力放电到初级线圈L1以提高二次电压的绝对值并引起电容放电的电容放电电路; 以及用于阻断对初级线圈L1的通电以提高二次电压的绝对值并引起感应放电的感应放电电路。指定作为正极的火花塞40的中心电极41的正放电通过电容放电来执行。通过ECU10（控制装置）来控制对初级线圈L1的通电状态，通过在正放电中间的感应放电将正放电转换为负放电。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2013060941A High frequency plasma generation system and high frequency plasma ignition device using the same 有权
标题翻译：高频等离子体发生系统和高频等离子体点火装置
公开(公告)号：JP2013060941A
公开(公告)日：2013-04-04
申请号：JP2011277347
申请日：2011-12-19
申请人： Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Denso Corp , 株式会社デンソー
发明人： SUGINO MASAYOSHI , FUKATSU KAZUKI , TOMITA YOSHITAKA , SHIBATA MASAMICHI , ABE YUYA
IPC分类号： F02P3/01 , H01T15/00 , H05H1/24 , H05H1/46
CPC分类号： H05H1/46 , F02P3/005 , F02P3/01 , F02P9/007 , F02P23/045 , H05H2242/1005
摘要： PROBLEM TO BE SOLVED: To provide a plasma generation system which uses dielectric loss for heating fuel and can control electrode wear by preventing an excessive current from flowing when undergoing occurrence of abnormal combustion such as knocking, by using a change in a resonance frequency, in the plasma generation system used in a high frequency plasma ignition device.SOLUTION: A frequency foscillated by a frequency generator 5 is set as a fundamental wave, and as a frequency multiplication means extracting a multiplied wave (f=nf) which is a high harmonic component thereof and as high as two or more integer times of the fundamental wave, a magnetic resonance means 3 is provided between a discharge circuit 2 and a power booster circuit 4 and connects them. Further, a resonance frequency fof the power booster circuit 4 and a first resonance coil 31 of the magnetic resonance means 3 is set to be equal to the frequency (nf) of the multiplied wave, and is set to be equal to a resonance frequency fof the discharge circuit 2 and a second resonance coil 30 of the magnetic resonance means 3 when discharge electrodes 10 and 11 are placed under a predetermined pressure range.
摘要翻译：要解决的问题：提供一种等离子体发生系统，其使用介电损耗来加热燃料，并且可以通过使用共振的变化来防止在发生异常燃烧（例如爆震）时发生过大的电流而流动的电极磨损在等离子体发生系统中使用的高频等离子体点火装置。解决方案：由频率发生器5振荡的频率f 1 被设置为基波，并且作为提取相乘波的倍频装置（f 2 = nf 1 ），其是高次谐波分量，高达基波的两倍以上整数倍，磁共振装置 3设置在放电电路2和升压电路4之间并连接它们。此外，功率提升电路4的共振频率f SB SB =“POST”> 2 和磁共振装置3的第一谐振线圈31被设定为等于频率（nf 1 ），并且被设置为等于放电电路2的谐振频率f 0 和第二谐振线圈当放电电极10和11放置在预定压力范围内时，磁共振装置3的30。版权所有（C）2013，JPO＆INPIT

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