JPH0555703B

In an internal combustion engine wherein a learning correction amount for improving the drivability in a high altitude is introduced into the feedback control of the air-fuel ratio, a lower limit is imposed on the learning correction amount, and a reference value for the lower limit is renewed in ac...

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Bibliographic Details
Main Authors HATSUTORI KOJI, KOBAYASHI NOBUYUKI
Format Patent
LanguageEnglish
Published 17.08.1993
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 a learning correction amount for improving the drivability in a high altitude is introduced into the feedback control of the air-fuel ratio, a lower limit is imposed on the learning correction amount, and a reference value for the lower limit is renewed in accordance with comparison of the mean value of an air-fuel ratio correction amount with a predetermined value and comparison of the learning correction amount with the reference value in an idling state.
Bibliography:Application Number: JP19840163497