Fuel injection timing control in electronically controlled engin

Details Fuel injection timing control in electronically controlled engin Fuel injection timing control in electronically controlled engin

1982-11-26

1984-10-23

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123486, 123306, 123480, F02D 500, F02D 502, F02B 300

Patent

active

044781903

ABSTRACT:
A basic injection timing (InjO) is set, and an intermediate time (.DELTA.Inj) is set based on rotational speed of an engine and fuel injection pulse time in a fuel injector. A fuel injection starting timing (.theta.) is set according to the sum or difference of the basic injection timing and the intermediate time. As a result, mixture is introduced into a vortex controlled combustion chamber so that a rich mixture is distributed to the upper portion of the combustion chamber near the ignition plug to provide satisfactory stratified combustion.

REFERENCES:
patent: 4250858 (1981-02-01), Jeenicke et al.
patent: 4269156 (1981-05-01), Drellishak
patent: 4327691 (1982-05-01), Moser
patent: 4359991 (1982-11-01), Stumpp et al.
patent: 4372278 (1983-02-01), Smith
patent: 4379332 (1983-04-01), Busser et al.
patent: 4383514 (1983-05-01), Fiala
patent: 4387429 (1983-06-01), Yamauchi et al.
patent: 4391253 (1983-07-01), Ito

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