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    • 81. 发明授权
    • Ignition device
    • 点火装置
    • US4224917A
    • 1980-09-30
    • US873772
    • 1978-01-31
    • Terumi NakazawaHitoshi MinorikawaKazutoshi KobayashiHiromitsu NagaeTomoji Inui
    • Terumi NakazawaHitoshi MinorikawaKazutoshi KobayashiHiromitsu NagaeTomoji Inui
    • F02P7/00F02P7/067
    • F02P7/0677
    • This invention relates to an ignition device of the type wherein a pickup coil for making a signal synchronous with the engine revolution is disposed within a distributor, an amplifier circuit for amplifying the output of the pickup coil and a power transistor for controlling the primary coil current of an ignition coil are arranged in a circuit unit under hybrid IC and chip states respectively, and the circuit unit is mounted on a side surface of a housing of the distributor.A highly waterproof structure has been found necessary in order that the insulation between the housing and pickup terminals as well as connectors for coupling the pickup coil and the amplifier circuit and the insulation between the terminals may be prevented from degrading due to moisture.To this end, a protuberance which projects from the circuit unit into the housing is disposed in a manner to surround the pickup terminals.
    • 本发明涉及一种点火装置,其中用于使与发动机转数同步的信号的拾取线圈设置在分配器内,用于放大拾取线圈的输出的放大器电路和用于控制初级线圈电流的功率晶体管 的点火线圈分别以混合IC和芯片状态布置在电路单元中,并且电路单元安装在分配器的壳体的侧表面上。 已经发现需要高度防水的结构,以便防止壳体和拾取端子之间的绝缘以及用于耦合拾取线圈和放大器电路的连接器以及端子之间的绝缘,从而防止由于水分导致的劣化。 为此,将从电路单元突出到壳体中的突起以围绕拾取端子的方式设置。