Ignition timing control apparatus for internal combustion engine

Details Ignition timing control apparatus for internal combustion engine Ignition timing control apparatus for internal combustion engine

1995-02-01

1995-11-21

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

F02P 515

Patent

active

054677530

ABSTRACT:
An ignition timing control apparatus for an internal combustion engine of a vehicle includes a detector connected to an internal combustion engine for detecting a revolution number of the internal combustion engine and a control unit operatively connected to the detector for controlling an ignition timing period in accordance with the detected revolution number of the internal combustion engine, the control unit being connected to an ignition unit connected to the internal combustion engine. The control unit includes an element for discriminating that the internal combustion engine is now in a steady operation state in a case where the detected engine revolution number is maintained by a predetermined time interval within a predetermined engine revolution number variation range and an element for setting, to the internal combustion engine, the ignition timing period for preventing irregular combustion and knocking when it is discriminated that the internal combustion engine is in the steady operation period and for setting, to the internal combustion engine, the ignition timing period satisfying an output requirement when it is discriminated that the internal combustion engine is out of the steady operation period.

REFERENCES:
patent: 4844026 (1989-07-01), Tomisawa
patent: 5042446 (1991-08-01), Hosowari et al.

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