Fail-safe ignition coil dwell control system for an internal com

Details Fail-safe ignition coil dwell control system for an internal com Fail-safe ignition coil dwell control system for an internal com

1979-01-09

1980-12-16

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123609, F02P 504

Patent

active

042390249

ABSTRACT:
A fail-safe coil ingition dwell control system for an internal combustion engine of the type employing a digital ignition advance computer, wherein the computer computes ignition advance angle data and stores current dwell data. The fail-safe system detects the absence of an ignition spark, as may be caused by a computer failure, and in the event thereof produces a control signal capable of triggering the engine power element, i.e. spark plug, and includes an output switching circuit at the output thereof for switching control of the triggering of the engine power element from the computer to the signal generator circuit in the event of a computer failure.

REFERENCES:
patent: 4068631 (1978-01-01), Lombard et al.
patent: 4099495 (1978-07-01), Kiencke et al.
patent: 4102310 (1978-07-01), Caron

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