Ignition timing controlling apparatus for internal combustion en

Details Ignition timing controlling apparatus for internal combustion en Ignition timing controlling apparatus for internal combustion en

1990-03-07

1991-03-05

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123418, F02P 500

Patent

active

049969587

ABSTRACT:
An ignition timing controlling apparatus wherein ignition timing of an internal combustion engine used for driving a vehicle is controlled by calculating time required for ignition from a rotational referential position according to the target ignition timing calculated on the basis of the running state of the internal combustion engine and an average value of detected periods of the rotational referential position of the internal combustion engine, is capable of carrying out a stabilized ignition timing controlling even when the internal combustion engine creates periodic rotational variation.

REFERENCES:
patent: 4625704 (1986-12-01), Wheelock
patent: 4870935 (1989-10-01), Araki
patent: 4944271 (1990-07-01), Iwata et al.

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