Air-fuel ratio control system for use in internal combustion eng

Details Air-fuel ratio control system for use in internal combustion eng Air-fuel ratio control system for use in internal combustion eng

1989-08-14

1991-02-26

Lall, Parshotam S.

Boots, shoes, and leggings

36443107, 123492, 123442, 123478, F02M 700

Patent

active

049966448

ABSTRACT:
An air-fuel ratio control system for use in an internal combustion engine is disclosed which comprises a supply unit equipped with a carburetor incorporating an acceleration pump for supplying fuel to the internal combustion engine and at least one duty-controlled solenoid valve adapted to controlling the air-fuel ratio; an operating condition detector for detecting the operating condition of the internal combustion engine; an acceleration controlled-variable decision unit for setting a predetermined acceleration controlled-variable being given to the solenoid valve during different acceleration control times corresponding to the operating condition or different acceleration; and a control variable decision unit for determining the controlled duty of the solenoid valve according to the data from the operating condition detecting unit and when the controlled variable is given by the acceleration controlled-variable decision unit at the time of acceleration, according to the acceleration control variable.

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