AIR-FUEL RATIO CONTROLLER OF INTERNAL-COMBUSTION ENGINE

PURPOSE:To prevent the drivability from being deteriorated due to quick change in air-fuel ratio by enriching air-fuel ratio used at a transient time with respect to air-fuel ratio used at normal operation time. CONSTITUTION:On the basis of the operating condition of an engine, a lean mixture contro...

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Bibliographic Details
Main Author OGATA MASAMI
Format Patent
LanguageEnglish
Published 10.04.1986
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:PURPOSE:To prevent the drivability from being deteriorated due to quick change in air-fuel ratio by enriching air-fuel ratio used at a transient time with respect to air-fuel ratio used at normal operation time. CONSTITUTION:On the basis of the operating condition of an engine, a lean mixture control condition determining means determines whether an engine is placed under the leaning control or not. A transient/normal state determining means determines whether the engine is in a transient state or not. When the engine is placed under the leaning control but placed in a transient state, air-fuel ratio is made richer than that used in the normal operation, whereby preventing the drivability from being deteriorated due to quick change in air-fuel ratio.
Bibliography:Application Number: JP19840190614