Ignition system for internal combustion engine

Details Ignition system for internal combustion engine Ignition system for internal combustion engine

1990-10-03

1992-03-24

Dolinar, Andrew M.

Internal-combustion engines

High tension ignition system

High frequency ignition system

123644, 315209T, F02P 305

Patent

active

050978152

ABSTRACT:
An ignition system is disclosed in which secondary windings of a first and a second ignition coil are connected in parallel to a spark electrode of an internal combustion engine. A d.c. high voltage is alternately fed to the primary windings of the first and the second ignition coil. When an integrated value of a current flow through the first (the second) ignition coil reaches a first reference value, this primary coil is disconnected from a feed bus, and instead the primary winding of the second (the first) ignition coil is connected to the bus. When a short-circuit occurs in one of the ignition coils, only the other ignition coil conducts repeatedly, and accordingly the switching of the energization takes place whenever the current flow through the first (the second) ignition coil reaches a second reference value. In the event a breakage occurs in one of the ignition coils, only the other ignition coil conducts repeatedly, and accordingly the switching of the energization takes place when the integrated value of the current flow through the first (the second) ignition coil fails to reach the first reference value within a first given time interval.

REFERENCES:
patent: 3035108 (1962-05-01), Kaehni
patent: 3892219 (1975-07-01), Preiser et al.
patent: 4356807 (1982-11-01), Tokura et al.

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