Ignition timing control system for internal combustion engines

Details Ignition timing control system for internal combustion engines Ignition timing control system for internal combustion engines

1991-12-26

1993-04-13

Cherry, Johnny D.

Motor vehicles

With means for detecting wheel slip during vehicle...

36442603, B60K 2816

Patent

active

052013839

ABSTRACT:
An ignition timing control system for an internal combustion engine in which an ECU sets a basic spark advance value in response to operating condition of the engine, corrects the set basic spark advance value, and delimits the corrected spark advance value in a spark retarding direction by means of a retard limiting value. The ECU further detects operation of a slip control system which detects a predetermined slip state of driving wheels of the vehicle and controls the engine so as to reduce output thereof upon detection of the predetermined slip state. When the slip control system is operative, the ECU changes the retard limiting value toward an advanced side relative to a value set when the slip control system is inoperative.

REFERENCES:
patent: 4721176 (1988-01-01), Kabasin et al.
patent: 4921064 (1990-05-01), Wazaki et al.
patent: 5083479 (1992-01-01), Ito et al.
patent: 5137105 (1992-08-01), Suzuki et al.

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