SPARK-IGNITED INTERNAL COMBUSTION ENGINE

An internal combustion engine comprises a variable compression ratio mechanism (A) capable of varying the mechanical compression ratio and a variable valve timing mechanism (B) capable of controlling the closing timing of an intake valve (7). In a low-load operating range except an idling operation,...

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Bibliographic Details
Main Authors KAMIYAMA EIICHI, SAWADA DAISAKU, AKIHISA DAISUKE, NAKASAKA YUKIHIRO
Format Patent
LanguageEnglish
Korean
Published 04.05.2010
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:An internal combustion engine comprises a variable compression ratio mechanism (A) capable of varying the mechanical compression ratio and a variable valve timing mechanism (B) capable of controlling the closing timing of an intake valve (7). In a low-load operating range except an idling operation, the mechanical compression ratio is maintained at a maximum mechanical compression ratio, and in the idling operation, the mechanical compression ratio is lower than the maximum mechanical ratio.
Bibliography:Application Number: KR20107004196