Internal combustion engine with temperature dependent timing of

Details Internal combustion engine with temperature dependent timing of Internal combustion engine with temperature dependent timing of

1997-02-19

1999-03-02

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123418, 123421, F02P 515, F02P 1102

Patent

active

058757635

ABSTRACT:
A magneto-based, variable-timing ignition system for an internal combustion engine is provided that maintains at least one operating parameter of the engine within a predetermined limit. An electronic controller sets the timing of spark events based on engine performance criteria such as the temperature of the engine's cylinder head, speed and manifold pressure. If the values of one of these parameters, such as engine temperature, extends beyond a predetermine limit, the electronic controller retards the advance timing of the spark events to draw back within the limit the values of the parameter. The timing of spark events is ordinarily under electronic control. If the electronic control fails, the system provides spark events whose timing are fixed and synchronized to the mechanical rotation of the crankshaft of the engine.

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