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公开(公告)号：US09010306B2
公开(公告)日：2015-04-21
申请号：US13415252
申请日：2012-03-08
CPC分类号： F02P3/02 , H01F27/022 , H01F38/12
摘要： In an ignition coil for an internal combustion engine, a column section and a notched section are provided in a side wall section of a case section of the ignition coil. A ventilation opening is formed in an up/down direction in the column section. The ventilation opening communicates with a ventilation passage formed between a sealing rubber and the case section and is open in an upper end section. A cover surrounding the column section and covering the upper end section is provided in the side wall section. A sealing section sealing the notched section is provided in the cover. The ignition coil has a filler resin that fills a space within the case section being in continuous contact with the sealing section and the side wall section and fixing the cover to the side wall section.
摘要翻译： 在内燃机的点火线圈中，在点火线圈的壳体部的侧壁部设置有柱部和切口部。 在列部分中沿上/下方向形成通风口。 通风口与形成在密封橡胶和壳体部之间的通风通路连通，并且在上端部开口。 在侧壁部中设置有围绕柱部并覆盖上端部的盖。 密封切口部分的密封部分设置在盖子中。 点火线圈具有填充树脂，其填充与密封部分和侧壁部分连续接触的壳体部分内的空间，并将盖子固定到侧壁部分。
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公开(公告)号：US08925533B2
公开(公告)日：2015-01-06
申请号：US13154841
申请日：2011-06-07
申请人： Kengo Nakao , Kazuhide Kawai , Katsunori Akimoto
发明人： Kengo Nakao , Kazuhide Kawai , Katsunori Akimoto
摘要： An ignition coil for the internal combustion engine has a cylinder portion and a head portion. A pillar portion that forms a part of a ventilation passage that communicates inside and outside of a plug hole via a sealing member, and a cover portion that covers the pillar portion without blockading an upper opening of a ventilation opening of the pillar portion are formed on a side of the head portion.
摘要翻译： 内燃机的点火线圈具有圆筒部和头部。 形成通过密封构件形成插塞孔内外的通气通路的一部分的支柱部，在不堵塞支柱部的通风口的上部开口部的情况下覆盖支柱部的盖部形成在 头部的一侧。
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公开(公告)号：US06781500B2
公开(公告)日：2004-08-24
申请号：US10139639
申请日：2002-05-07
申请人： Kazuhide Kawai , Masafuyu Sano , Shigeya Abe , Masahiro Inagaki , Hajime Kasai , Hidetoshi Nakashima , Jyunichi Wada , Koji Tsunenaga , Kazutoyo Osuka , Masahiko Aoyama , Takashi Tauchi , Kaneo Buma , Yoshitaka Sato , Katsunori Akimoto
发明人： Kazuhide Kawai , Masafuyu Sano , Shigeya Abe , Masahiro Inagaki , Hajime Kasai , Hidetoshi Nakashima , Jyunichi Wada , Koji Tsunenaga , Kazutoyo Osuka , Masahiko Aoyama , Takashi Tauchi , Kaneo Buma , Yoshitaka Sato , Katsunori Akimoto
IPC分类号： H01F2730
CPC分类号： H01F38/12 , H01F2038/122
摘要： In a stick coil, there is disclosed an ignition coil for an internal combustion engine which can prevent a crack (a collar leak) from being generated due to a thermal stress. In this ignition coil, the structure is made such that a size (L) of a portion which is in parallel to an axial direction of a primary spool (121) in a projection portion (121b) is larger than a size (T) of a portion which is in parallel to an orthogonal direction to the axial direction of the primary spool (121). Accordingly, a frontal projected area of the projection portion (121b) as seen from a flowing direction of a resin becomes small, a resin flow is hard to get out of order at a time when the resin flows through a portion corresponding to the projection portion (121b) at the forming time, and a convoluted void and a weld are hard to be generated. Accordingly, since it is possible to prevent a mechanical strength in a root portion of the projection portion (121b) from being reduced, it is possible to previously prevent a crack from being generated in the root portion of the projection portion (the collar portion) (121b) due to a thermal stress so as to reduce an insulating property.
摘要翻译： 在棒状线圈中，公开了一种用于内燃机的点火线圈，其可以防止由于热应力而产生裂纹（轴环泄漏）。 在该点火线圈中，该结构被制成使得与突起部分（121b）中的初级线轴（121）的轴向方向平行的部分的尺寸（L）大于 与主卷轴（121）的轴向的正交方向平行的部分。 因此，从树脂的流动方向看，突出部分（121b）的正面投影面积变小，在树脂流过与突起部分相对应的部分时，树脂流动难以变得不顺利 （121b），并且难以产生卷积的空隙和焊缝。 因此，由于可以防止突起部（121b）的根部的机械强度降低，所以能够防止在突起部（轴环部）的根部产生裂纹， （121b）由于热应力而降低绝缘性能。
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公开(公告)号：US07626481B2
公开(公告)日：2009-12-01
申请号：US12183240
申请日：2008-07-31
申请人： Katsunori Akimoto
发明人： Katsunori Akimoto
IPC分类号： H01F27/28
CPC分类号： H01F38/12 , H01F3/10 , H01F27/29 , H01F27/325 , H01F2005/025
摘要： An ignition coil includes a coil body transversely arranged outside of a plug hole, and a plug connection portion protruding in a direction perpendicular to an axial direction of the coil body. A secondary coil of the coil body has a maximum outer diameter portion, and an inclined outer diameter portion arranged on two sides of the maximum outer diameter portion in the axial direction. The secondary coil includes a secondary electric wire that is wound obliquely around an outer periphery of a secondary spool such that reduced winding parts and enlarged winding parts are alternately superimposed on each other. The reduced winding part is wound with a winding diameter decreasing obliquely from one side to the other side in the axial direction, and the enlarged winding part is wound with a winding diameter increasing obliquely from the other side to the one side in the axial direction.
摘要翻译： 点火线圈包括横向布置在插塞孔外侧的线圈体和沿与线圈体的轴向垂直的方向突出的插头连接部。 线圈体的次级线圈具有最大外径部分和沿轴向方向布置在最大外径部分两侧的倾斜外径部分。 次级线圈包括绕二次线轴的外周倾斜地缠绕的次级电线，使得减少的绕组部分和扩大的绕组部分彼此交替地叠置。 卷绕减小的卷绕部的卷绕直径从轴向上的一侧向另一侧倾斜减小，卷绕的卷绕直径从另一侧向轴向一侧倾斜地卷绕。
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公开(公告)号：US20080117010A1
公开(公告)日：2008-05-22
申请号：US11939730
申请日：2007-11-14
CPC分类号： H01F38/12 , B22F3/02 , C22C2202/02 , H01F1/26 , H01F27/022 , H01F27/255 , H01F41/005 , H01F41/0246 , Y10T29/49073
摘要： An ignition coil includes a primary coil and a secondary coil, a magnetic member through which a magnetic flux generated by the primary coil and the secondary coil passes, a resin case for accommodating therein the magnetic member, the primary coil and the secondary coil, and an insulating resin for filling the resin case. The magnetic member is formed by compression molding of a green compact material using iron-based powder including an insulating coating. In the ignition coil, the green compact material contains 50% by weight or more of the iron-based powder having a particle size about in a range of 150 μm to 300 μm. Alternatively, the green compact material has a content of a binder being 0.15% by weight or less.
摘要翻译： 点火线圈包括初级线圈和次级线圈，由初级线圈和次级线圈产生的磁通通过的磁性构件，用于容纳磁性构件，初级线圈和次级线圈的树脂壳体，以及 用于填充树脂壳体的绝缘树脂。 磁性部件通过使用包含绝缘涂层的铁基粉末压缩成型压坯来形成。 在点火线圈中，生坯成形体含有50重量％以上的粒径在150μm〜300μm范围内的铁基粉末。 或者，生坯成型体的粘合剂的含量为0.15重量％以下。
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6.发明申请公开(公告)号：US20090289752A1
公开(公告)日：2009-11-26
申请号：US12423221
申请日：2009-04-14
申请人： Katsunori Akimoto
发明人： Katsunori Akimoto
CPC分类号： H01F38/12 , H01B3/40 , H01F27/022 , H01F41/005 , Y10T29/4902 , Y10T29/49071
摘要： An ignition coil for an internal combustion engine includes a primary coil formed by winding a primary winding a plurality of turns, a secondary coil formed by winding a secondary winding having a wire diameter of 30 to 100 μm a plurality of turns, and a resin compact which is impregnated into between the lines of the primary winding and between the lines of the secondary winding and which seals the primary coil and the secondary coil. The resin compact includes a filler in a range of 65 weight percent to 80 weight percent in order to limit development of an electric tree in the resin compact, and the filler is composed of 60 weight percent or more spherical silica and 40 weight percent or less crushed silica.
摘要翻译： 一种用于内燃机的点火线圈包括通过将初级绕组卷绕多圈而形成的初级线圈，通过卷绕线径为30-100μm的多圈的次级绕组形成的次级线圈和树脂压块 其被浸渍在初级绕组的线之间和次级绕组的线之间，并且密封初级线圈和次级线圈。 该树脂成型体包含65重量％〜80重量％范围的填料，以限制树脂成型体中电树的发育，填料由60重量％以上的球状二氧化硅和40重量％以下 粉碎二氧化硅。
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公开(公告)号：US06653922B2
公开(公告)日：2003-11-25
申请号：US10180065
申请日：2002-06-27
申请人： Masafuyu Sano , Kazutoyo Osuka , Norihiro Adachi , Yoshihiro Shimoide , Osamu Sugie , Kaneo Buma , Katsunori Akimoto , Atsuyuki Konishi , Masaharu Shimohata , Yoshitaka Sato
发明人： Masafuyu Sano , Kazutoyo Osuka , Norihiro Adachi , Yoshihiro Shimoide , Osamu Sugie , Kaneo Buma , Katsunori Akimoto , Atsuyuki Konishi , Masaharu Shimohata , Yoshitaka Sato
IPC分类号： H01F2702
CPC分类号： H01F27/022 , H01F38/12 , H01F2038/122
摘要： An ignition coil includes a housing which contains a central core portion, an inner spool having a first winding, and an outer spool having a second winding. The inner spool extends outward of the central core portion. The outer spool extends outward of the inner spool. A locating member includes a locating rib adjacent to an upper portion of the central core portion. The locating rib is in a gap between the inner spool and the central core portion, and locates the inner spool and the central core portion relative to each other. Insulating resin injected into the housing provides insulation among parts in the housing. At least one of the inner spool and the locating member has a void-escape passage which connects the gap and an outside of the inner spool with each other, and which allows a void to escape from the injected insulating resin in the gap.
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公开(公告)号：US07710231B2
公开(公告)日：2010-05-04
申请号：US12183227
申请日：2008-07-31
申请人： Katsunori Akimoto
发明人： Katsunori Akimoto
IPC分类号： H01F27/02
摘要： An ignition coil includes a coil body, a plug connection portion protruding from the coil body, and a connector for electrically connecting the ignition coil to an outside. In the coil body, a primary coil is arranged on an inner peripheral side of a secondary coil, and a center core is arranged on an inner peripheral side of the primary coil. The secondary coil includes a secondary electric wire having thereon an insulating film, wound around an outer periphery of a resinous secondary spool. Furthermore, the connector is formed integrally with an end of the secondary spool in an axial direction.
摘要翻译： 点火线圈包括线圈体，从线圈体突出的插头连接部分和用于将点火线圈电连接到外部的连接器。 在线圈体中，在次级线圈的内周侧配置有初级线圈，在初级线圈的内周侧设置有中心芯。 次级线圈包括在其上具有缠绕在树脂二次线轴的外周上的绝缘膜的次级电线。 此外，连接器与副卷轴的端部沿轴向一体地形成。
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