发明名称 |
Internal combustion engine having variable valve actuation device and method of calculating intake amount in the same internal combustion engine |
摘要 |
An internal combustion engine has a variable valve actuation device for lifting an intake valve. The device is capable of changing the amount of opening of the intake valve. The device is configured to calculate a first estimated value Gao of the amount of intake air from a parameter regarding the operation state of the engine at the time of opening the intake valve; calculate a second estimated value Gac of the amount of intake air from a parameter regarding the operation state of the engine at the time of closing the intake valve; and calculate an actual amount of intake air Ga based on the first estimated value and the second estimated value.
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申请公布号 |
US2004250782(A1) |
申请公布日期 |
2004.12.16 |
申请号 |
US20030664914 |
申请日期 |
2003.09.22 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
FUWA NAOHIDE;OHATA AKIRA |
分类号 |
F02D45/00;F02D13/02;F02D41/04;F02D41/18;(IPC1-7):F01L1/34;G01M19/00 |
主分类号 |
F02D45/00 |
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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