Ignition device for internal combustion engines, particularly fo

Details Ignition device for internal combustion engines, particularly fo Ignition device for internal combustion engines, particularly fo

1991-05-23

1992-05-26

Wolfe, Willis R.

Internal-combustion engines

High tension ignition system

Additional spark energy supply

123643, 123644, F02P 5155, F02P 1100

Patent

active

051157934

ABSTRACT:
The device comprises a primary winding in which the spark energy is stored to be transferred rhythmically to a secondary winding with respective voltage step-up transformers acting between the secondary winding and the spark plugs. An amperometric resistor is arranged in series with the diode through which the current flows when the energy is transferred to the plugs. For each spark, there is a corresponding voltage peak across the terminals of the resistor, whereby a failure to detect the presence of the peak (which is usually converted into a square-wave signal) identifies the absence of a spark.

REFERENCES:
patent: 4438751 (1984-03-01), Iwasaki
patent: 4886036 (1989-12-01), Johansson et al.
patent: 4915087 (1990-04-01), Boyer
patent: 4938200 (1990-07-01), Iwasaki
patent: 5009213 (1991-04-01), Di Nunzio et al.

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