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公开(公告)号：US20050284454A1
公开(公告)日：2005-12-29
申请号：US11131346
申请日：2005-05-18
申请人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu , Yoshiki Morita
发明人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu , Yoshiki Morita
摘要： An ignition device for an internal combustion engine has a spark plug, an ignition coil, a housing and a mounting portion. The spark plug is for discharging a current to ignite an air-fuel mixture in a combustion chamber of the internal combustion engine. The ignition coil is for supplying the current to the spark plug. The housing encloses the spark plug and the ignition coil therein. The housing has a mounting portion to be disposed in a mounting hole provided in a cylinder head of the internal combustion engine. The mounting portion includes a screw portion a non-screw portion. The screw portion is to be screw-fastened to the mounting hole. The non-screw portion is not to be screw-fastened to the mounting hole.
摘要翻译： 用于内燃机的点火装置具有火花塞，点火线圈，壳体和安装部分。 火花塞用于排出电流以点燃内燃机的燃烧室中的空气 - 燃料混合物。 点火线圈用于向火花塞提供电流。 外壳将火花塞和点火线圈包围在其中。 壳体具有设置在内燃机的气缸盖中的安装孔中的安装部。 安装部分包括非螺钉部分的螺纹部分。 将螺钉部分螺丝紧固到安装孔。 非螺纹部分不要拧紧到安装孔。
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公开(公告)号：US07243643B2
公开(公告)日：2007-07-17
申请号：US11131346
申请日：2005-05-18
申请人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu , Yoshiki Morita
发明人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu , Yoshiki Morita
IPC分类号： F02P1/00
摘要： An ignition device for an internal combustion engine has a spark plug, an ignition coil, a housing and a mounting portion. The spark plug is for discharging a current to ignite an air-fuel mixture in a combustion chamber of the internal combustion engine. The ignition coil is for supplying the current to the spark plug. The housing encloses the spark plug and the ignition coil therein. The housing has a mounting portion to be disposed in a mounting hole provided in a cylinder head of the internal combustion engine. The mounting portion includes a screw portion a non-screw portion. The screw portion is to be screw-fastened to the mounting hole. The non-screw portion is not to be screw-fastened to the mounting hole.
摘要翻译： 用于内燃机的点火装置具有火花塞，点火线圈，壳体和安装部分。 火花塞用于排出电流以点燃内燃机的燃烧室中的空气 - 燃料混合物。 点火线圈用于向火花塞提供电流。 外壳将火花塞和点火线圈包围在其中。 壳体具有设置在设置在内燃机的气缸盖中的安装孔中的安装部。 安装部分包括非螺钉部分的螺纹部分。 将螺钉部分螺丝紧固到安装孔。 非螺纹部分不要拧紧到安装孔。
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公开(公告)号：US07080638B2
公开(公告)日：2006-07-25
申请号：US10911551
申请日：2004-08-05
CPC分类号： F02P3/02 , H01F27/022 , H01F38/12 , H01T13/44
摘要： An internal combustion engine ignition device has a resin layer in a clearance between an insulator and a winding contained in the insulator. The ignition device has a cylindrical insulator and a resin layer. The insulator has an opening portion at one end and a bottom portion at the other end. The insulator contains one of a primary winding and a secondary winding. The resin layer is formed by charging a resin in the clearance between the insulator and one of the windings. The diameter of the inner periphery of the insulator gradually increases from the opening portion to the bottom portion. When the resin layer shrinks from the opening portion toward the bottom portion of the insulator, the resin layer can shrink without getting snagged on the inner periphery of the insulator.
摘要翻译： 内燃机点火装置具有在绝缘体和包含在绝缘体中的绕组之间的间隙中的树脂层。 点火装置具有圆柱形绝缘体和树脂层。 绝缘体在一端具有开口部分，在另一端具有底部部分。 绝缘体包含初级绕组和次级绕组之一。 通过在绝缘体和其中一个绕组之间的间隙中填充树脂来形成树脂层。 绝缘体的内周的直径从开口部到底部逐渐增大。 当树脂层从绝缘体的开口部分向底部收缩时，树脂层可以收缩而不会在绝缘体的内周上被阻塞。
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公开(公告)号：US07150274B2
公开(公告)日：2006-12-19
申请号：US11138442
申请日：2005-05-27
申请人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu
发明人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu
CPC分类号： F02P3/02
摘要： An ignition device for an internal combustion engine has a primary and secondary coils of an ignition coil, a center and ground electrodes of a spark plug, a cylinder shaped insulator and a cylinder shaped tube. The center electrode is disposed apart from the secondary coil in a longitudinal direction of the ignition device. The insulator is made of an insulating material and has a coil surrounding portion surrounding the secondary coil and a plug surrounding portion surrounding the center electrode. The primary coil is wound on an outer circumferential face of the coil surrounding portion. The ground electrode is disposed on an outer circumferential face of the plug surrounding portion. The tube is made of a magnetic material and has a coil covering portion covering the primary coil and a plug covering portion covering the plug surrounding portion and the ground electrode.
摘要翻译： 用于内燃机的点火装置具有点火线圈，火花塞的中心和接地电极，圆柱形绝缘体和圆柱形管的一次和二次线圈。 中心电极沿着点火装置的纵向方向与次级线圈分开设置。 绝缘体由绝缘材料制成，并且具有围绕次级线圈的线圈环绕部分和围绕中心电极的插塞围绕部分。 初级线圈缠绕在线圈环绕部分的外周面上。 接地电极设置在插头周围部分的外周面上。 管由磁性材料制成，并具有覆盖初级线圈的线圈覆盖部分和覆盖插塞围绕部分和接地电极的插头覆盖部分。
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公开(公告)号：US20050263145A1
公开(公告)日：2005-12-01
申请号：US11138442
申请日：2005-05-27
申请人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu
发明人： Atsushi Iwami , Tetsuya Miwa , Hiromi Hiramatsu
CPC分类号： F02P3/02
摘要： An ignition device for an internal combustion engine has a primary and secondary coils of an ignition coil, a center and ground electrodes of a spark plug, a cylinder shaped insulator and a cylinder shaped tube. The center electrode is disposed apart from the secondary coil in a longitudinal direction of the ignition device. The insulator is made of an insulating material and has a coil surrounding portion surrounding the secondary coil and a plug surrounding portion surrounding the center electrode. The primary coil is wound on an outer circumferential face of the coil surrounding portion. The ground electrode is disposed on an outer circumferential face of the plug surrounding portion. The tube is made of a magnetic material and has a coil covering portion covering the primary coil and a plug covering portion covering the plug surrounding portion and the ground electrode.
摘要翻译： 用于内燃机的点火装置具有点火线圈，火花塞的中心和接地电极，圆柱形绝缘体和圆柱形管的一次和二次线圈。 中心电极沿着点火装置的纵向方向与次级线圈分开设置。 绝缘体由绝缘材料制成，并且具有围绕次级线圈的线圈环绕部分和围绕中心电极的插塞围绕部分。 初级线圈缠绕在线圈环绕部分的外周面上。 接地电极设置在插头周围部分的外周面上。 管由磁性材料制成，并具有覆盖初级线圈的线圈覆盖部分和覆盖插塞围绕部分和接地电极的插头覆盖部分。
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公开(公告)号：US20050045167A1
公开(公告)日：2005-03-03
申请号：US10911551
申请日：2004-08-05
CPC分类号： F02P3/02 , H01F27/022 , H01F38/12 , H01T13/44
摘要： An internal combustion engine ignition device has a resin layer in a clearance between an insulator and a winding contained in the insulator. The ignition device has a cylindrical insulator and a resin layer. The insulator has an opening portion at one end and a bottom portion at the other end. The insulator contains one of a primary winding and a secondary winding. The resin layer is formed by charging a resin in the clearance between the insulator and one of the windings. The diameter of the inner periphery of the insulator gradually increases from the opening portion to the bottom portion. When the resin layer shrinks from the opening portion toward the bottom portion of the insulator, the resin layer can shrink without getting snagged on the inner periphery of the insulator.
摘要翻译： 内燃机点火装置具有在绝缘体和包含在绝缘体中的绕组之间的间隙中的树脂层。 点火装置具有圆柱形绝缘体和树脂层。 绝缘体在一端具有开口部分，在另一端具有底部部分。 绝缘体包含初级绕组和次级绕组之一。 通过在绝缘体和其中一个绕组之间的间隙中填充树脂来形成树脂层。 绝缘体的内周的直径从开口部到底部逐渐增大。 当树脂层从绝缘体的开口部分向底部收缩时，树脂层可以收缩而不会在绝缘体的内周上被阻塞。
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公开(公告)号：US20060010683A1
公开(公告)日：2006-01-19
申请号：US11171222
申请日：2005-07-01
申请人： Atsushi Iwami , Tetsuya Miwa , Koji Miyachi
发明人： Atsushi Iwami , Tetsuya Miwa , Koji Miyachi
IPC分类号： H01F27/02
CPC分类号： H01F41/005 , H01F27/022 , H01F38/12 , Y10T29/4902 , Y10T29/49071
摘要： An ignition coil for supplying a high voltage to a spark plug is mainly composed of a cylindrical casing, an outer coil wound around an outer spool and an inner coil wound around an inner spool. The outer coil wound around the outer spool and the inner coil wound around the inner spool are coaxially disposed in the cylindrical casing. Spaces in the cylindrical casing including a first space between the inner coil and the outer spool and a second space between the outer coil and the cylindrical casing are filled with insulating resin. After the resin is supplied into the cylindrical casing, the coils are inserted into the casing containing the resin therein. Accordingly, the resin can be quickly supplied from a wide opening, and the resin can enter into spaces between coils even these spaces are small.
摘要翻译： 用于向火花塞提供高电压的点火线圈主要由圆柱形壳体，缠绕在外线圈上的外线圈和缠绕在内线轴上的内线圈组成。 缠绕在外线轴上的外线圈和卷绕在内线轴上的内线圈同轴地设置在圆柱形壳体中。 在圆筒形壳体中的包括内部线圈和外部线轴之间的第一空间以及外部线圈和圆柱形壳体之间的第二空间的空间填充有绝缘树脂。 将树脂供给到圆筒形壳体中之后，将线圈插入包含树脂的壳体中。 因此，可以从宽的开口快速地供给树脂，并且树脂可以进入线圈之间的空间，甚至这些空间也很小。
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公开(公告)号：US07777604B2
公开(公告)日：2010-08-17
申请号：US12150208
申请日：2008-04-25
CPC分类号： H01F38/12 , H01F27/022 , H01F27/263 , H01F27/325 , H01F2038/122 , H01F2038/127
摘要： A high-strength ignition coil that can prevent distortion arising from pin marks formed on a surface of a core and makes it less likely for insulating resin to be cracked. The coil assembly is housed in a coil case. A casting material is filled into a gap between the coil case and the coil assembly and gaps which the coil assembly has. The coil assembly is comprised of a coil pair including a cylindrical primary coil and a secondary coil disposed concentrically with the primary coil, and a core. The core is fitted into a central space of the coil pair and forms a magnetic path. The core is coated with mold resin. Concave portions of pin marks formed on a mold resin coating by removal of core fixing pins when the mold resin coating is formed are filled with mold resin.
摘要翻译： 一种高强度点火线圈，能够防止由于形成在芯的表面上的针痕引起的变形，并且使得树脂绝缘不易破裂。 线圈组件容纳在线圈壳体中。 将铸造材料填充到线圈壳体和线圈组件之间的间隙以及线圈组件具有的间隙。 线圈组件包括线圈对，该线圈对包括圆柱形初级线圈和与初级线圈同心设置的次级线圈和芯。 芯部装配在线圈对的中心空间中并形成磁路。 核心涂有模具树脂。 在模塑树脂涂层形成时通过去除芯固定销在模具树脂涂层上形成的针痕的凹部填充有模制树脂。
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公开(公告)号：US20080264397A1
公开(公告)日：2008-10-30
申请号：US12150162
申请日：2008-04-25
申请人： Shuichi Matsubayashi , Ikuo Hirayama , Masami Kojima , Takashi Tauchi , Takeshi Morimoto , Atsushi Iwami
发明人： Shuichi Matsubayashi , Ikuo Hirayama , Masami Kojima , Takashi Tauchi , Takeshi Morimoto , Atsushi Iwami
IPC分类号： H01F38/12
CPC分类号： H01F38/12 , H01F21/12 , H01F27/022 , H01F27/306 , H01F2038/122
摘要： A high-strength ignition coil that can reduce stress produced in a coil case and prevent a casting material from being cracked when the ignition coil is mounted on an engine block. A coil case has a mounting flange on an outer surface thereof. A coil assembly is housed in the coil case. A casting material is filled into a gap between the coil case and the coil assembly and gaps which the coil assembly has. A plurality of first guide ribs are provided on an inner wall surface of the coil case or an outer surface of the coil assembly, for positioning the outer surface of the coil assembly with respect to the inner wall surface of the coil case. A limited area in which there is no first guide rib is provided on the inner wall surface of the coil case which faces the mounting flange, or the outer surface of the coil assembly which faces the mounting flange via the inner wall surface of the coil case.
摘要翻译： 高温点火线圈，当点火线圈安装在发动机缸体上时，能够减轻线圈壳体产生的应力，防止铸造材料破裂。 线圈壳体在其外表面上具有安装凸缘。 线圈组件容纳在线圈壳体中。 将铸造材料填充到线圈壳体和线圈组件之间的间隙以及线圈组件具有的间隙。 多个第一引导肋设置在线圈壳体的内壁表面或线圈组件的外表面上，用于相对于线圈壳体的内壁表面定位线圈组件的外表面。 在线圈壳体的面向安装凸缘的内壁面或线圈组件的面向安装凸缘的外表面经由线圈壳体的内壁面设置有无第一引导肋的有限区域 。
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公开(公告)号：US20090194084A1
公开(公告)日：2009-08-06
申请号：US12060456
申请日：2008-04-01
申请人： Masami Kojima , Takashi Tauchi , Takeshi Morimoto , Atsushi Iwami , Yoshitaka Satoh , Shuichi Matsubayashi , Ikuo Hirayama
发明人： Masami Kojima , Takashi Tauchi , Takeshi Morimoto , Atsushi Iwami , Yoshitaka Satoh , Shuichi Matsubayashi , Ikuo Hirayama
IPC分类号： H01F38/12
CPC分类号： H01F38/12
摘要： An ignition coil is equipped with a sparkplug of an engine. The ignition coil includes a coil portion, a tower portion, and a plug cap. The coil portion includes a coil case accommodating a primary and secondary coils being coaxial with each other. The coil portion has an end connected with the plug cap via the tower portion. The plug cap is press-fitted with the sparkplug. The coil case has an outer periphery from which a flange portion projects radially outward in a flange-projecting direction. The tower cylinder portion has a tower axis substantially in parallel with a coil axis of the primary and secondary coils. The tower axis is offset from the coil axis in a tower-offset direction. The tower-offset direction is substantially the same as the flange-projecting direction.
摘要翻译： 点火线圈配备有发动机的火花塞。 点火线圈包括线圈部分，塔架部分和塞帽。 线圈部分包括容纳彼此同轴的初级和次级线圈的线圈壳体。 线圈部分具有经由塔架部分与塞帽连接的端部。 插头盖与火花塞压配合。 线圈壳体具有外周，凸缘部在该外周缘沿凸缘方向从径向向外突出。 塔筒部分具有与初级和次级线圈的线圈轴线基本平行的塔架轴线。 塔轴在塔偏移方向上偏离线圈轴。 塔偏移方向基本上与凸缘方向相同。
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