Ignition system for internal combustion engines

Details Ignition system for internal combustion engines Ignition system for internal combustion engines

1981-05-18

1983-10-11

Myhre, Charles J.

Internal-combustion engines

High tension ignition system

Responsive to engine or environmental condition

123629, 123651, F02P 900

Patent

active

044085923

ABSTRACT:
An ignition system for internal combustion engines of the type in which after the energizing current flow to the primary winding of an ignition coil has been interrupted and an ignition spark generating high voltage has been produced in the secondary winding, the primary winding is energized again to interrupt the ignition spark. The ignition spark is interrupted at around the TDC only when the engine is at high speed operating conditions and the deenergizing current in the primary winding is not interrupted in a moment but decreased gradually. Also, the ignition spark is interrupted only when the ignition spark is to continue beyond the top dead center.

REFERENCES:
patent: 3896776 (1975-07-01), Ford
patent: 3976043 (1976-08-01), Canup et al.
patent: 4176644 (1979-12-01), Hellberg et al.
patent: 4237835 (1980-12-01), Rabus et al.

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