| 发明名称 |
SYSTEM AND METHOD FOR IMPROVED CAM RETARD |
| 摘要 |
A system and method to control valve timing and valve lift of an engine is described. The intake valve timing can be retarded while the valve is in a low lift or high lift mode. The method can lower engine friction and reduce fuel consumption, at least under some conditions.
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| 申请公布号 |
US2008035084(A1) |
申请公布日期 |
2008.02.14 |
| 申请号 |
US20060497694 |
申请日期 |
2006.08.02 |
| 申请人 |
LEIBY JAMES;STEIN ROBERT;LEONE TOM;RYDER LESTER |
发明人 |
LEIBY JAMES;STEIN ROBERT;LEONE TOM;RYDER LESTER |
| 分类号 |
F01L1/34 |
主分类号 |
F01L1/34 |
| 代理机构 |
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代理人 |
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