Ignition circuit monitoring in an internal combustion engine

Details Ignition circuit monitoring in an internal combustion engine Ignition circuit monitoring in an internal combustion engine

1991-05-17

1992-08-04

Wolfe, Willis R.

Internal-combustion engines

High tension ignition system

Current or voltage sensing in coil primary

123630, F02P 1700, F02P 1106, F02P 304

Patent

active

051349876

ABSTRACT:
The invention relates to ignition circuit monitoring in an internal combustion engine, where a sensor signal is generated in the course of each ignition by an ignition current sensor (5), which is supplied via a pulse shaper (6) to a memory unit (7). An ignition computer (4) reads out the contents of the memory following each ignition or each sensor signal and resets the memory unit (7) prior to the next ignition. Thus, when the sensor signal is missing, the ignition computer (4) detects the lack of ignition and an appropriate control signal is made available for control actions.

REFERENCES:
patent: 3938490 (1976-02-01), Snyder et al.
patent: 4114582 (1978-09-01), Rabus et al.
patent: 4117819 (1978-10-01), Jarrett et al.
patent: 4452220 (1984-06-01), Minner
patent: 4915086 (1990-04-01), Ciliberto et al.
patent: 4977883 (1990-12-01), Koiwa
Robert Bosch GmbH, Automotive Handbook, 2nd English Edition, Delta Press Ltd/Society of Automotive Engineers, p. 407. Jan. 1986.

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