Electronic fuel injection control system for multi-cylinder inte

Details Electronic fuel injection control system for multi-cylinder inte Electronic fuel injection control system for multi-cylinder inte

1982-11-18

1985-04-02

Lall, Parshotam S.

Internal-combustion engines

Charge forming device

Fuel injection system

123179L, F02M 5100

Patent

active

045080836

ABSTRACT:
A plurality of fuel injection valves are all opened at the same time to supply fuel to all the cylinders of the engine, immediately upon closing of the ignition switch. None of the fuel injection valves is opened until after the pistons of all the cylinders each have finished its one suction stroke after the above closing of the ignition switch. Then, all the fuel injection valves are successively opened in predetermined sequence in synchronism with pulses of a TDC signal generated after the completion of the above suction strokes of the pistons of all the cylinders, to supply fuel to their respective cylinders, thereby obtaining smooth and positive starting of the engine.

REFERENCES:
patent: 3847130 (1974-11-01), Miyoshi et al.
patent: 4148282 (1979-04-01), Grassle et al.
patent: 4198932 (1980-04-01), Reddy et al.
patent: 4418674 (1983-12-01), Hasegawa et al.

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