- 专利标题： Intake air quantity measurement for internal combustion engine
- 专利标题（中）： 内燃机进气量测量
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申请号： US10060312申请日： 2002-02-01
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公开(公告)号： US06691022B2公开(公告)日： 2004-02-10
- 发明人: Shinichi Takemura , Shunichi Aoyama , Tsuneyasu Nohara , Takanobu Sugiyama
- 申请人： Shinichi Takemura , Shunichi Aoyama , Tsuneyasu Nohara , Takanobu Sugiyama
- 优先权： JP2001-051423 20010227
- 主分类号： G05D100
- IPC分类号： G05D100
摘要：
In an engine capable of continuously controlling an intake air quantity by varying an intake valve operating characteristic, an intake valve lift is sensed as well as an engine speed. Then, an intake air quantity is calculated in accordance with the engine speed and intake valve lift when an engine operating point is in a very low lift state.
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