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公开(公告)号：US08922324B2
公开(公告)日：2014-12-30
申请号：US13030402
申请日：2011-02-18
申请人： Takashi Idogawa , Takeshi Shimizu , Shuichi Tamura , Koji Takaba
发明人： Takashi Idogawa , Takeshi Shimizu , Shuichi Tamura , Koji Takaba
CPC分类号： H01F38/12
摘要： An ignition coil for internal combustion engine includes: a center core disposed on an inner side of a primary coil and a secondary coil and a side core disposed on an outer side of the primary and secondary coils whose one end face abuts on one end face of the center core and the other end face abuts on the other end face of the center core via a magnet. The side core is formed of a plurality of side core portions obtained by dividing laminated magnetic steel plates at different positions in a longitudinal direction thereof and has a superimposed portion in which the magnetic steel plates of the adjacent side core portions mutually superimpose between the different positions in the longitudinal direction. It thus becomes possible to provide an ignition coil for internal combustion engine capable of suppressing an increase of magnetic circuit resistance markedly without deteriorating assembly workability.
摘要翻译： 内燃机的点火线圈包括：设置在初级线圈的内侧的中心芯和设置在初级和次级线圈的外侧上的次级线圈和侧芯，其一端面邻接于 中心芯和另一端面通过磁铁邻接中心芯的另一端面。 侧芯由多个侧芯部形成，所述多个侧芯部通过将层叠的电磁钢板沿其纵向不同的位置分割而获得，并且具有叠加部分，相邻侧芯部分的电磁钢板相互重叠在不同位置 在纵向上。 因此，可以提供一种内燃机的点火线圈，能够显着地抑制磁路阻抗的增加，而不会降低组装操作性。
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公开(公告)号：US07559319B2
公开(公告)日：2009-07-14
申请号：US12054993
申请日：2008-03-25
申请人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
发明人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
IPC分类号： F02P3/04
CPC分类号： F02P17/12 , F02P3/0442 , F02P2017/125
摘要： An ignition coil apparatus for an internal combustion engine with a cylinder having first and second spark plugs can reliably detect an ionic current without discharging a bias voltage even at the start of supplying a primary current. The apparatus includes a coil member with primary and secondary coils. The secondary coil has first and second ends connected to the spark plugs through high voltage output terminals, respectively. A first diode has its anode connected to a capacitor, and its cathode connected between the first end of the secondary coil, at which a high positive voltage is generated upon interruption of the primary current, and a high voltage output terminal at a secondary coil first end side. A second diode has its anode connected to the secondary coil first end, and its cathode connected to a junction between the first diode and the high voltage output terminal.
摘要翻译： 具有第一火花塞和第二火花塞的具有气缸的内燃机的点火线圈装置即使在初级电流的供给开始时也可以可靠地检测离子电流而不会使偏置电压放电。 该装置包括具有初级和次级线圈的线圈构件。 次级线圈的第一和第二端分别通过高压输出端子连接到火花塞。 第一二极管的阳极连接到电容器，并且其阴极连接在次级线圈的第一端之间，在初级电流中断时产生高的正电压，并且在次级线圈处产生高电压输出端 端面。 第二二极管的阳极连接到次级线圈第一端，其阴极连接到第一二极管和高压输出端之间的结。
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公开(公告)号：US07798136B2
公开(公告)日：2010-09-21
申请号：US11705755
申请日：2007-02-14
申请人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
发明人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
IPC分类号： F02P1/00
摘要： An ignition coil for an internal combustion engine can increase a contact area between an end of a GND line terminal and a bolt thereby to reduce the contact resistance therebetween. In the ignition coil, a GND potential is ensured by the GND line terminal that is electrically connected at one end thereof to an igniter and at the other end thereof to the internal combustion engine through a bolt inserted into a bolt insertion hole formed in a mounting flange. The GND line terminal is formed at the other end thereof with a bearing surface portion having a hole into which the bolt is inserted. At least part of an inner diameter of the hole in the bearing surface portion is smaller than an inner diameter of the bolt insertion hole.
摘要翻译： 用于内燃机的点火线圈可以增加GND线端子的端部和螺栓之间的接触面积，从而减小它们之间的接触电阻。 在点火线圈中，GND端子通过将其一端电连接到点火器的GND线端子确保，并且在另一端通过插入到形成在安装件中的螺栓插入孔中的螺栓而连接到内燃机 法兰 GND线端子的另一端形成有具有插入螺栓的孔的支承面部。 轴承面部的孔的内径的至少一部分小于螺栓插入孔的内径。
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公开(公告)号：US07574998B2
公开(公告)日：2009-08-18
申请号：US11808980
申请日：2007-06-14
申请人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
发明人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
CPC分类号： H01T13/44 , F02P3/02 , F02P13/00 , H01F27/022 , H01F27/2823 , H01F38/12 , H01F2038/122
摘要： An ignition apparatus for an internal combustion engine can prevent dielectric breakdown resulting from voids, thus making it possible to reduce its size. The apparatus includes a primary bobbin, a primary coil formed of a primary coil conductor wound around the primary bobbin, a secondary bobbin arranged in concentric relation to the primary bobbin, a secondary coil formed of a secondary coil conductor wound around the secondary bobbin, an insulation casing receiving therein the primary bobbin, the primary coil, the secondary bobbin and the secondary coil, and an insulating resin filled into the insulation case. Grooves for guiding the insulating resin between the primary bobbin and the primary coil are formed on an outer peripheral surface of the primary bobbin around which the primary coil conductor having a polygonal cross section is wound.
摘要翻译： 用于内燃机的点火装置可以防止由空隙引起的电介质击穿，从而可以减小其尺寸。 该装置包括主绕线筒，由围绕初级线轴的初级线圈导体形成的初级线圈，与主线轴同心的布置的次级绕线筒，缠绕在副线轴上的次级线圈导体形成的次级线圈， 绝缘壳体容纳主母线，初级线圈，次级线圈架和次级线圈，以及填充在绝缘壳体中的绝缘树脂。 用于引导初级线圈架和初级线圈之间的绝缘树脂的沟槽形成在主绕线筒的外周表面上，缠绕具有多边形横截面的初级线圈导体。
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公开(公告)号：US20080105242A1
公开(公告)日：2008-05-08
申请号：US11705755
申请日：2007-02-14
申请人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
发明人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
IPC分类号： F02P3/00
摘要： An ignition coil for an internal combustion engine can increase a contact area between an end of a GND line terminal and a bolt thereby to reduce the contact resistance therebetween. In the ignition coil, a GND potential is ensured by the GND line terminal that is electrically connected at one end thereof to an igniter and at the other end thereof to the internal combustion engine through a bolt inserted into a bolt insertion hole formed in a mounting flange. The GND line terminal is formed at the other end thereof with a bearing surface portion having a hole into which the bolt is inserted. At least part of an inner diameter of the hole in the bearing surface portion is smaller than an inner diameter of the bolt insertion hole.
摘要翻译： 用于内燃机的点火线圈可以增加GND线端子的端部和螺栓之间的接触面积，从而减小它们之间的接触电阻。 在点火线圈中，GND端子通过将其一端电连接到点火器的GND线端子确保，并且在另一端通过插入到形成在安装件中的螺栓插入孔中的螺栓而连接到内燃机 法兰 GND线端子的另一端形成有具有插入螺栓的孔的支承面部。 轴承面部的孔的内径的至少一部分小于螺栓插入孔的内径。
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公开(公告)号：US07793632B2
公开(公告)日：2010-09-14
申请号：US12212790
申请日：2008-09-18
申请人： Takashi Idogawa , Shigemi Murata , Takeshi Shimizu
发明人： Takashi Idogawa , Shigemi Murata , Takeshi Shimizu
IPC分类号： H01T13/08
CPC分类号： F02P23/045 , F02P15/08
摘要： An ignition apparatus for an internal combustion engine is small in size and has high reliability capable of withstanding or enduring a vibration environment of a vehicle to which the ignition apparatus is installed. The ignition apparatus includes a spark plug that has its tip end portion presented in the interior of a cylinder of an internal combustion engine main body, a high voltage generation power supply that serves to apply a high voltage to the spark plug, a microwave oscillation device that has an amplifying element for generating a microwave, and a microwave antenna that is mounted on the spark plug, irradiates the micro wave generated from the microwave oscillation device to the interior of the cylinder, thereby forming a plasma generation region around discharge electrodes of the spark plug. The microwave oscillation device is made into a solid state.
摘要翻译： 一种用于内燃机的点火装置的尺寸小，并且具有能够耐受或持续安装点火装置的车辆的振动环境的高可靠性。 点火装置包括火花塞，其顶端部呈现在内燃机主体的气缸的内部，用于向火花塞施加高电压的高压发电电源，微波振荡装置 具有用于产生微波的放大元件和安装在火花塞上的微波天线将从微波振荡装置产生的微波照射到气缸的内部，从而在该放电电极的周围形成等离子体产生区域 火花塞 微波振荡装置成为固态。
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公开(公告)号：US20080156304A1
公开(公告)日：2008-07-03
申请号：US11808980
申请日：2007-06-14
申请人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
发明人： Takashi Idogawa , Takeshi Shimizu , Shigemi Murata
IPC分类号： F02P3/01
CPC分类号： H01T13/44 , F02P3/02 , F02P13/00 , H01F27/022 , H01F27/2823 , H01F38/12 , H01F2038/122
摘要： An ignition apparatus for an internal combustion engine can prevent dielectric breakdown resulting from voids, thus making it possible to reduce its size. The apparatus includes a primary bobbin, a primary coil formed of a primary coil conductor wound around the primary bobbin, a secondary bobbin arranged in concentric relation to the primary bobbin, a secondary coil formed of a secondary coil conductor wound around the secondary bobbin, an insulation casing receiving therein the primary bobbin, the primary coil, the secondary bobbin and the secondary coil, and an insulating resin filled into the insulation case. Grooves for guiding the insulating resin between the primary bobbin and the primary coil are formed on an outer peripheral surface of the primary bobbin around which the primary coil conductor having a polygonal cross section is wound.
摘要翻译： 用于内燃机的点火装置可以防止由空隙引起的电介质击穿，从而可以减小其尺寸。 该装置包括主绕线筒，由围绕初级线轴的初级线圈导体形成的初级线圈，与主线轴同心的布置的次级绕线筒，缠绕在副线轴上的次级线圈导体形成的次级线圈， 绝缘壳体容纳主母线，初级线圈，次级线圈架和次级线圈，以及填充在绝缘壳体中的绝缘树脂。 用于引导初级线圈架和初级线圈之间的绝缘树脂的沟槽形成在主绕线筒的外周表面上，缠绕具有多边形横截面的初级线圈导体。
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公开(公告)号：US20120222660A1
公开(公告)日：2012-09-06
申请号：US13172283
申请日：2011-06-29
申请人： Takashi IDOGAWA , Takeshi SHIMIZU
发明人： Takashi IDOGAWA , Takeshi SHIMIZU
IPC分类号： F02P15/00
摘要： An internal combustion engine ignition coil device according to the present invention is provided with a primary coil to which a primary current is applied; a secondary coil that is magnetically coupled with the primary coil and generates an ignition voltage when the primary current is cut off, so as to produce a spark discharge between a pair of electrodes of an ignition plug; a noise suppression element that is electrically connected between the secondary coil and one of the pair of electrodes of the ignition plug; and a case that is made of an insulating material and has a noise suppression element containing unit for containing the noise suppression element. The internal combustion engine ignition coil device is characterized by including ribs that are disposed in the noise suppression element containing unit and are arranged in such a way as to face the outer circumferential surface of the noise suppression element and a resin insulating material that is filled into the noise suppression element containing unit and makes contact with the ribs and the noise suppression element.
摘要翻译： 根据本发明的内燃机点火线圈装置设置有施加一次电流的初级线圈; 次级线圈，其与初级线圈磁耦合并且在初级电流被切断时产生点火电压，从而在火花塞的一对电极之间产生火花放电; 噪声抑制元件，电连接在次级线圈与火花塞的一对电极中的一个之间; 以及由绝缘材料制成并且具有用于容纳噪声抑制元件的噪声抑制元件容纳单元的壳体。 内燃机点火线圈装置的特征在于包括设置在噪声抑制元件容纳单元中的肋，并且被布置成面向噪声抑制元件的外周面，并且填充有树脂绝缘材料 噪声抑制元件容纳单元并与肋和噪声抑制元件接触。
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公开(公告)号：US08225775B1
公开(公告)日：2012-07-24
申请号：US13204153
申请日：2011-08-05
摘要： In an ignition coil device mainly mounted in an internal combustion engine, the installation can be improved even in an ignition coil having a bent leading end. The ignition coil device of a bent type includes a case having a transformer structure with a primary coil and a secondary coil therein; a high voltage tower including a high voltage terminal that transmits a high voltage developed in the secondary coil to a lower portion of the case; and a plug boot that electrically and mechanically connects the high voltage terminal, the high voltage tower to an ignition plug, includes a boot base close to the high voltage tower and a boot leading end close to the ignition plug in which a center axis of the high voltage tower and a center axis of the boot leading end are tilted, wherein a bend position is set in the vicinity of an intersection point of the center axis of the high voltage tower and the center axis of the boot leading end, and a rigid intermediate member including a connection relay member that electrically connects the high voltage terminal and the ignition plug is provided, and the rigid intermediate member extends from the boot base to the bend position.
摘要翻译： 在主要安装在内燃机中的点火线圈装置中，即使在具有弯曲的前端的点火线圈中也能够提高安装。 弯曲型点火线圈装置包括具有初级线圈和次级线圈的变压器结构的壳体; 包括将在次级线圈中显影的高电压传递到壳体的下部的高压端子的高压塔; 以及将高压端子，高压塔电气和机械地连接到火花塞的插头罩，包括靠近高压塔的引导座和靠近火花塞的引导端，其中， 高压塔和靴子前端的中心轴线倾斜，其中弯曲位置设置在高压塔的中心轴线与靴子前端的中心轴线的交点附近，并且刚性 提供了包括电连接高压端子和火花塞的连接中继构件的中间构件，并且刚性中间构件从靴基部延伸到弯曲位置。
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公开(公告)号：US20090314239A1
公开(公告)日：2009-12-24
申请号：US12212790
申请日：2008-09-18
申请人： Takashi IDOGAWA , Shigemi Murata , Takeshi Shimizu
发明人： Takashi IDOGAWA , Shigemi Murata , Takeshi Shimizu
IPC分类号： H01T13/08
CPC分类号： F02P23/045 , F02P15/08
摘要： An ignition apparatus for an internal combustion engine is small in size and has high reliability capable of withstanding or enduring a vibration environment of a vehicle to which the ignition apparatus is installed. The ignition apparatus includes a spark plug that has its tip end portion presented in the interior of a cylinder of an internal combustion engine main body, a high voltage generation power supply that serves to apply a high voltage to the spark plug, a microwave oscillation device that has an amplifying element for generating a microwave, and a microwave antenna that is mounted on the spark plug, irradiates the micro wave generated from the microwave oscillation device to the interior of the cylinder, thereby forming a plasma generation region around discharge electrodes of the spark plug. The microwave oscillation device is made into a solid state.
摘要翻译： 一种用于内燃机的点火装置的尺寸小，并且具有能够耐受或持续安装点火装置的车辆的振动环境的高可靠性。 点火装置包括火花塞，其顶端部呈现在内燃机主体的气缸的内部，用于向火花塞施加高电压的高压发电电源，微波振荡装置 具有用于产生微波的放大元件和安装在火花塞上的微波天线将从微波振荡装置产生的微波照射到气缸的内部，从而在该放电电极的周围形成等离子体产生区域 火花塞 微波振荡装置成为固态。
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