Fuel supply control method for multicylinder internal combustion

Details Fuel supply control method for multicylinder internal combustion Fuel supply control method for multicylinder internal combustion

1985-09-23

1986-12-16

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, 123490, 123491, F02M 5100

Patent

active

046288821

ABSTRACT:
Fuel injections are sequentially effected into cylinders of a multicylinder internal combustion engine in predetermined sequence in synchronism with pulses of a predetermined crank angle position signal from engine rotational angle sensing means. If no TDC signal pulse is generated between an immediately preceding pulse and a present pulse of a cylinder-discriminating signal, a simultaneous fuel injections are effected into all the engine cylinders upon generation of the present pulse of the cylinder-discriminating signal. Preferably, the engine rotational angle sensing means is determined to be abnormal when the simultaneous fuel injections have been effected consecutively a predetermined number of times.

REFERENCES:
patent: 4370962 (1983-02-01), Hosaka
patent: 4459961 (1984-07-01), Nishimura et al.
patent: 4476830 (1984-10-01), Hasegawa et al.
patent: 4502446 (1985-03-01), Kanegae et al.
patent: 4531490 (1985-07-01), Kishi et al.

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