Fuel injection timing control method for internal combustion eng

Details Fuel injection timing control method for internal combustion eng Fuel injection timing control method for internal combustion eng

1986-02-04

1987-10-06

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, F02D 4134

Patent

active

046975683

ABSTRACT:
A fuel injection timing control method for an internal combustion engine, wherein fuel injection is effected over a fuel injection period determined based on engine operation parameters from predetermined fuel injection beginning relative to a predetermined crank angle position. The predetermined fuel injection beginning is corrected by a correction value obtained by multiplying the determined fuel injection period by a predetermined coefficient, to thereby determined desired fuel injection beginning. Preferably, the predetermined fuel injection beginning is corrected not only by the above correction value but by a second correction value based on the delay time that elapses from the moment fuel is injected until it is actually drawn into the engine cylinder.

REFERENCES:
patent: 4051817 (1977-10-01), Hattori et al.
patent: 4213425 (1980-07-01), Read
patent: 4387429 (1983-06-01), Yamauchi et al.
patent: 4478190 (1984-10-01), Kawai
patent: 4541388 (1985-09-01), Ujihashi et al.

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