公开(公告)号：EP1225603A3

公开(公告)日：2002-08-28

申请号：EP02006532.2

申请日：1998-05-22

申请人： Hitachi, Ltd. ,  Hitachi Car Engineering Co., Ltd.

发明人： Shimada, Junichi ,  Sugiura, Noboru ,  Anzo, Yoichi ,  Kondo, Eiichiro ,  Kobayashi, Kazutoshi ,  Kosai, Takahide ,  Ueda, Toshiaki

IPC分类号： H01F38/12 ,  F02P15/00 ,  H01F41/06

CPC分类号： H01T13/44 ,  F02D2400/18 ,  F02P3/02 ,  F02P3/0435 ,  F02P11/00 ,  F02P13/00 ,  H01F27/022 ,  H01F27/29 ,  H01F27/325 ,  H01F27/327 ,  H01F27/40 ,  H01F38/12 ,  H01F41/064 ,  H01F2005/025 ,  H01F2038/122 ,  H01F2038/125 ,  H01F2038/127

摘要： An engine having a plastic head cover, wherein a cylinder head of the engine is covered by a plastic head cover; a respective spark plug mounted in said cylinder head is connected directly to an individual ignition type ignition coil which is prepared for each of said spark plug; said individual ignition type ignition coil comprises a coil portion in which a center core, a secondary coil wound on a secondary bobbin and a primary coil wound on a primary bobbin are installed concentrically inside a thin narrow cylindrical shape coil case and a circuit case having a connector which is provided at an upper portion of said coil case and has an ignition circuit unit inside; said coil portion is penetrated through said plastic head cover and the center of gravity of said ignition coil is positioned at a lower position from said plastic head cover; and said circuit case having said connector is fixed to an outer face of said plastic head cover.

摘要翻译： 一种具有塑料盖罩的发动机，其中发动机的气缸盖由塑料盖罩覆盖; 安装在所述气缸盖中的相应火花塞直接连接到为每个所述火花塞准备的单独的点火型点火线圈; 所述单独点火式点火线圈包括线圈部分，在所述线圈部分中，中心磁芯，缠绕在次级线圈架上的次级线圈和缠绕在初级线圈架上的初级线圈同心地安装在薄的窄圆柱形线圈外壳和具有 连接器，其设置在所述线圈外壳的上部并且在内部具有点火电路单元; 所述线圈部分穿过所述塑料盖罩，并且所述点火线圈的重心位于离所述塑料盖罩较低的位置; 并且具有所述连接器的所述电路壳体固定到所述塑料盖罩的外表面。

公开(公告)号：EP1225605A2

公开(公告)日：2002-07-24

申请号：EP02006534.8

申请日：1998-05-22

申请人： Hitachi, Ltd. ,  Hitachi Car Engineering Co., Ltd.

发明人： Shimada, Junichi ,  Sugiura, Noboru ,  Anzo, Yoichi ,  Kondo, Eiichiro ,  Kobayashi, Kazutoshi ,  Kosai, Takahide ,  Ueda, Toshiaki

IPC分类号： H01F38/12 ,  F02P15/00

CPC分类号： H01T13/44 ,  F02D2400/18 ,  F02P3/02 ,  F02P3/0435 ,  F02P11/00 ,  F02P13/00 ,  H01F27/022 ,  H01F27/29 ,  H01F27/325 ,  H01F27/327 ,  H01F27/40 ,  H01F38/12 ,  H01F41/064 ,  H01F2005/025 ,  H01F2038/122 ,  H01F2038/125 ,  H01F2038/127

摘要： An individual ignition type ignition coil for use in an engine in which a center core, a secondary coil wound on a secondary bobbin and a primary coil wound on a primary bobbin are installed concentrically from an inner side of a coil case in order, and said ignition coil is connected directly to a respective spark plug of said engine, the ignition coil for use in the engine wherein an insulation resin is filled up between said secondary bobbin and said center core; and said insulation resin is an insulation resin having a glass transition point Tg which satisfies a condition of an allowable stress of said secondary bobbin greater than a generation stress from -40°C to a glass transition point Tg of said insulation resin.