Ignition system

Details Ignition system Ignition system

1977-03-28

1979-05-22

Pendegrass, Verlin R.

Internal-combustion engines

Igniters

Incandescent

123148E, F02P 306

Patent

active

041553411

ABSTRACT:
An improved ignition system including a member rotatable about an axis and having a permanent magnet with an outwardly extending flux field carried by the member to create a flux field rotating in a given angular path concentric with the axis of the rotating member. In the system there is provided a circuit for creating a sparking voltage upon a rapid change in current in at least a portion of the circuit and switching means for causing the rapid change in current upon actuation of the switching means. The improvement includes a device for storing sparking energy, the switching means includes a solid state device for discharging the storage device upon receipt of a firing signal and a Hall Effect switch activated by a selected D.C. biasing voltage and mounted at a given position with respect to the annular path of the rotating flux field. The Hall Effect switch initiates the switching means to discharge the storage device and cause sparking of the ignition system. Also, there is provided means for limiting the rate of storage of the storage device for limiting maximum speed of an internal combustion engine controlled by the improved ignition system.

REFERENCES:
patent: 3241538 (1966-03-01), Hogenholtz
patent: 3297009 (1967-01-01), Sasaki et al.
patent: 3675636 (1972-07-01), Hini
patent: 3738339 (1973-06-01), Huntzinger et al.
patent: 3809040 (1974-05-01), Burson et al.
patent: 3867916 (1975-02-01), Bigalke
patent: 3875920 (1975-04-01), Williams
patent: 4008701 (1977-02-01), Webber

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