Device for intake air temperature-dependent correction of air/fu

Details Device for intake air temperature-dependent correction of air/fu Device for intake air temperature-dependent correction of air/fu

1982-11-17

1985-01-29

Lall, Parshotam S.

Internal-combustion engines

Charge forming device

Fuel injection system

123489, F02M 5100

Patent

active

044959257

ABSTRACT:
A device for correcting the air/fuel ratio of a mixture being supplied to an internal combustion engine, by the use of a correction coefficient which has its value determined as a function of intake air temperature in the intake pipe of the engine, by a predetermined equation. Further, the air/fuel ratio may be corrected by the use of a second correction coefficient which has its value increasing as the intake air temperature decreases from a predetermined value. The above two correction coefficients have their values determined by means of arithmetic calculation, or by means of selective reading from a plurality of predetermined values stored in their respective memories, both based upon a detected value of the intake air temperature.

REFERENCES:
patent: 4084240 (1978-04-01), Lappington
patent: 4245604 (1981-01-01), Lahiff
patent: 4319451 (1982-03-01), Tajima et al.
patent: 4348727 (1982-09-01), Kobayashi et al.

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