Control signal generator for an internal combustion engine

Details Control signal generator for an internal combustion engine Control signal generator for an internal combustion engine

1989-09-26

1990-10-02

Raevis, Robert

Measuring and testing

Test stand

For engine

123414, 36443105, G01M 1500

Patent

active

049599968

ABSTRACT:
A signal control generator for a multi-cylinder internal combustion engine has a position sensor which generates output pulses which indicate prescribed rotational angles of the crankshaft of the engine for each cylinder. The output pulse for a prescribed reference cylinder of the engine is shorter than the pulses for the other cylinders. The reference cylinder is recognized by comparing the pulse width or the duty cycle of each pulse with the pulse width or the duty cycle for previous pulses corresponding to other cylinders of the engine. The period between consecutive output pulses is used to control the ignition timing of the engine.

REFERENCES:
patent: 4700305 (1987-10-01), Lotterbach et al.

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