| 发明名称 |
Variable valve control apparatus for engine and method thereof |
| 摘要 |
In a low rotation region of an engine, valve timing of two intake valves is advanced and also one of two exhaust valves is driven by means of a cam with valve lift lower than that of the other exhaust valve, to thereby set a valve overlap period within which only one of the two exhaust valves is opened.
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| 申请公布号 |
US6895912(B2) |
申请公布日期 |
2005.05.24 |
| 申请号 |
US20030420879 |
申请日期 |
2003.04.23 |
| 申请人 |
HITACHI, LTD. |
发明人 |
SARUWATARI MASAYUKI;FURUYA JUNICHI;KITAYAMA TORU |
| 分类号 |
F01L1/18;F01L1/34;F01L1/344;F01L13/00;F02B23/10;F02B31/00;F02B75/12;F02D13/02;F02M25/07;(IPC1-7):F01L1/34 |
主分类号 |
F01L1/18 |
| 代理机构 |
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代理人 |
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