发明名称 |
Valve-driving system of internal combustion engine and valve-driving apparatus |
摘要 |
A valve-driving system, which is applied to an internal combustion engine having a plurality of cylinders, for driving an intake or exhaust valve provided in each cylinder, comprising: a plurality of valve-driving apparatuses, each of which is provided for at least each one of the intake valve and the exhaust valve, each valve-driving apparatus having an electrical motor as a driving source for generating rotation motion and a power transmission mechanism provided with a transmitting section for transmitting the rotation motion generated by the electrical motor and a converting section for converting the rotation motion transmitted from the transmitting section into opening and closing motion of the valve to be driven; and a motor control device which controls operations of electric motors of the respective valve-driving apparatuses in accordance with the operation state of the internal combustion engine.
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申请公布号 |
US7047922(B2) |
申请公布日期 |
2006.05.23 |
申请号 |
US20030725444 |
申请日期 |
2003.12.03 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
ASADA TOSHIAKI;EZAKI SHUICHI;TSUJI KIMITOSHI;KUSAKA YASUSHI;KATAOKA KENJI |
分类号 |
F01L1/34;F01L1/32;F01L9/04;F01L13/00;F02D13/02 |
主分类号 |
F01L1/34 |
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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