JPH0565699B

In an internal combustion engine wherein feedback control of the air-fuel ratio is carried out in accordance with the concentration of a specific composition in the exhaust gas, so that the air-fuel ratio is close to an aimed air-fuel ratio on the lean side with respect to the stoichiometric air-fue...

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Bibliographic Details
Main Authors HATSUTORI KOJI, KOBAYASHI NOBUYUKI
Format Patent
LanguageEnglish
Published 20.09.1993
Edition5
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:In an internal combustion engine wherein feedback control of the air-fuel ratio is carried out in accordance with the concentration of a specific composition in the exhaust gas, so that the air-fuel ratio is close to an aimed air-fuel ratio on the lean side with respect to the stoichiometric air-fuel ratio, the rate of fuel cut-off time for a definite time period is calculated. When the rate of fuel cut-off time is larger than a predetermined value, the air-fuel feedback control is stopped.
Bibliography:Application Number: JP19840089247