High performance distributorless digital ignition system for internal
combustion engines
    10.
    发明授权
    High performance distributorless digital ignition system for internal combustion engines 失效
    用于内燃机的高性能无分配器数字点火系统

    公开(公告)号:US4686953A

    公开(公告)日:1987-08-18

    申请号:US880140

    申请日:1986-06-30

    Applicant: Craig R. Brown

    Inventor: Craig R. Brown

    Abstract: A digital ignition system is disclosed including a precision angular position sensor within the engine distributor or in cooperation with another rotary engine part providing accurate timing information applied to gating means selectively passing bursts of triggering pulses having a 7-to-1 duty cycle ratio. The bursts are applied to a driver circuit providing power amplification energizing the coil primary. An alternative mode is also disclosed simulating a conventional make and break ignition system for a service mode. In the service mode, a single pulse is issued to the coil upon the first pulse of the pulse burst after the angular position sensor senses that a cylinder firing operation is required. Thus, ordinary timing and diagnostic instruments may be used during the service mode to accurately establish ignition timing during normal, burst mode operation. A distributorless embodiment is also disclosed in which individual cylinder timing is obtained from individual disk tracks carrying a plurality of circular tracks between individual light sources and sensors. Each cylinder has its own high voltage system, the triggering pulses being directed selectively thereto by gates controlled by timing information from the disk angular position. A plurality of disks may be used for a more rigid and reliable structure.

    Abstract translation: 公开了一种数字点火系统,其包括在发动机分配器内的精密角度位置传感器或与另一个旋转发动机部件配合提供精确的定时信息,该定时信息应用于门控装置选择性地通过具有7比1占空比的触发脉冲。 脉冲串被施加到提供功率放大的驱动器电路,使线圈初级线圈通电。 还公开了一种替代模式,其模拟用于服务模式的传统的点火系统和点火系统。 在服务模式下,在角位置传感器检测到需要汽缸点火操作之后,在脉冲脉冲串的第一脉冲上向线圈发出单个脉冲。 因此,在正常的突发模式操作期间,可以在服务模式期间使用普通的定时和诊断仪器来精确地建立点火正时。 还公开了一种无分配器的实施例,其中从各个光源和传感器之间承载多个圆形轨道的各个磁道轨迹获得各个气缸定时。 每个气缸具有其自己的高压系统,触发脉冲通过由盘角度位置的定时信息控制的门选择性地被引导。 多个盘可以用于更刚性和可靠的结构。

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