Ignition system for internal combustion engines with misfiring d

Details Ignition system for internal combustion engines with misfiring d Ignition system for internal combustion engines with misfiring d

1995-01-19

1996-04-16

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123630, 324388, 324399, F02P 1700

Patent

active

055072640

ABSTRACT:
An ignition system is provided for internal combustion engines for detecting combustion misfirings. The ignition system of an internal combustion engine detects the spark voltage transformed on to the primary side of a double spark coil for evaluating the ignition spark duration and/or the ignition spark voltage so as to allow a comparison to be made with limit values for a correct ignition. The limit values for a correct ignition are determined from the measured variables of a reference ignition. The reference ignition is the ignition which is triggered by the energy potential of the same ignition coil.

REFERENCES:
patent: 4117807 (1978-10-01), Barnard
patent: 4291383 (1981-09-01), Tedeschi et al.
patent: 4886029 (1989-12-01), Lill et al.
patent: 4918389 (1990-04-01), Schleupen et al.
patent: 5334938 (1994-08-01), Kugler et al.

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