Electronic control for fuel injection

Details Electronic control for fuel injection Electronic control for fuel injection

1982-06-22

1984-07-03

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123480, 123492, F02D 502

Patent

active

044572824

ABSTRACT:
An electronic control system for fuel injection into an engine controls an air-fuel ratio at a desired air-fuel ratio during a high load operation of the engine. The electronic control system performs the operations of detecting operating parameters of the engine, computing by a computing unit a time width in accordance with the detected operating parameters, selecting a maximum time width value of the injection pulse from a preliminarily stored table of maximum time width values thereof in accordance with the value of at least one of the detected operating parameters, comparing the computed time width value with the selected maximum time width value, limiting the computed time width value in accordance with the selected maximum time width value, and applying the injection pulse to the fuel injectors, thereby controlling the air-fuel ratio under the high load conditions at a desired air-fuel ratio and also preventing the malfunction of continuous fuel supply from occurring in the fuel injectors.

REFERENCES:
patent: 3969614 (1976-07-01), Moyer et al.
patent: 4249498 (1981-02-01), Drews et al.
patent: 4335695 (1982-06-01), Phipps
patent: 4359991 (1982-11-01), Stumpp et al.

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