Fuel injection control system for internal combustion engine

Details Fuel injection control system for internal combustion engine Fuel injection control system for internal combustion engine

1987-11-16

1988-11-22

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123480, F02D 4126, F02M 5100

Patent

active

047857846

ABSTRACT:
A control system for injecting fuel twice in each operating cycle of an internal combustion engine is provided with a control unit which comprises a first section for determining a desired injection quantity in accordance with an engine load and other engine operating parameters, a second section for determining a first fuel injection quantity from a recent value of the desired quantity and commanding the first injection, a third means for determining a compensation fuel quantity for compensating for a change of the desired quantity after the first injection by subtracting a more recent value of the desired quantity from the recent value used for determining the first injection quantity, and a fourth section for determining a second fuel injection quantity from the compensation quantity.

REFERENCES:
patent: 3747575 (1973-07-01), Eisele et al.
patent: 4173208 (1979-11-01), Fenne et al.
patent: 4200063 (1980-04-01), Bowler
patent: 4242992 (1981-01-01), Kawamura et al.
patent: 4407251 (1983-10-01), Nakanishi
patent: 4724816 (1988-02-01), Kanno et al.

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