Fuel control device for internal-combustion engines

Details Fuel control device for internal-combustion engines Fuel control device for internal-combustion engines

1987-12-24

1989-04-04

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123489, 123440, F02M 5100, F02D 4118

Patent

active

048175730

ABSTRACT:
A fuel control device for internal-combustion engines in which a proper correction value is calculated from the contents of memories corresponding to adjacent representative points, meeting every condition of the amount of mixture drawn in, by selecting representative points to represent the tendency of a flow-dependency characteristic change of intake sensor output, thereby obtaining a proper correction value in a region where the negative feedback of air-fuel ratio is controlled as well as in a region where the negative feedback can not be controlled.

REFERENCES:
patent: 4334186 (1982-06-01), Sasayama et al.
patent: 4397283 (1983-08-01), Komaroff et al.
patent: 4576039 (1986-03-01), Muto et al.
patent: 4579098 (1986-04-01), Mattes et al.
patent: 4612894 (1986-09-01), Satoh et al.
patent: 4683858 (1987-08-01), Sato et al.
patent: 4741313 (1988-05-01), Shimomura

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