Method for the dynamic correction of the ignition point of an in

Details Method for the dynamic correction of the ignition point of an in Method for the dynamic correction of the ignition point of an in

1989-09-26

1991-01-29

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123421, 123422, F02P 504, F02P 506, F02P 514

Patent

active

049878735

ABSTRACT:
In a characteristic-diagram ignition of an internal combustion engine, knocking should be avoided even if there is a sudden change in load or speed. For this purpose, a correction value in the "retard" direction, the amount of which is dependent both on the intake air temperature and on the engine speed, is superposed on the characteristic-diagram ignition point determined. After the retardation has been carried out, the correction value is adjusted within a selectable time in the "advance" direction until the instantaneously valid characteristic-diagram ignition point is reattained.

REFERENCES:
patent: 4626997 (1987-12-01), Takeda et al.
patent: 4658789 (1987-04-01), Morita
patent: 4710881 (1987-12-01), Mouri et al.
patent: 4712527 (1987-12-01), Staerzl

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