Ignition device for internal combustion engines

Details Ignition device for internal combustion engines Ignition device for internal combustion engines

1992-12-11

1994-04-12

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Having dwell control

123611, F02P 900

Patent

active

053016491

ABSTRACT:
An ignition device for internal combustion engines includes an ignition coil with separate primary and secondary windings. A sensor is connected in a spark plug current circuit. A peak value of an ignition current for each ignition is stored in a peak value rectifier and is subsequently processed into a value of a closing duration of the primary circuit, which is maintained at a constant by a control value regulation, to compensate for deviations and soiling or age condition changes in the ignition circuit. The closing duration is ascertained cylinder-selectively below an engine rpm limit value, is ascertained above this limit value only for a predetermined cylinder and is used for all of the remaining cylinders.

REFERENCES:
patent: 3921062 (1975-11-01), Kuhn et al.
patent: 4467776 (1984-08-01), Mezger et al.
patent: 4750467 (1988-06-01), Neuhalfen
patent: 4794900 (1989-01-01), Stubs et al.
patent: 4915086 (1990-04-01), Cileberto et al.
patent: 5143553 (1992-09-01), Mukaihira et al.

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