发明名称 |
Spark Ignition Type Internal Combustion Engine |
摘要 |
An internal combustion engine provided with a variable compression ratio mechanism able to change a mechanical compression ratio and an actual compression action start timing changing mechanism able to change a start timing of an actual compression action. An amount of intake air in accordance with the required load is fed into a combustion chamber by controlling the closing timing of the intake valve, while a pressure, temperature or density in the combustion chamber at the end of a compression stroke is maintained substantially constant regardless of the engine load by controlling the mechanical compression ratio.
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申请公布号 |
US2009276140(A1) |
申请公布日期 |
2009.11.05 |
申请号 |
US20070226327 |
申请日期 |
2007.04.09 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
AKIHISA DAISUKE;SAWADA DAISAKU;KAMIYAMA EIICHI |
分类号 |
F02D43/00;F01L1/34;F02B75/04 |
主分类号 |
F02D43/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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