Invention Grant
US07765966B2 Hybrid vehicle system having engine with variable valve operation 有权
具有可变阀操作的发动机的混合动力车辆系统

Hybrid vehicle system having engine with variable valve operation
Abstract:
A system for adjusting valve timing of an engine is disclosed. In one embodiment, valve timing is adjusted during an engine start before the engine is started. The system may reduce engine emissions during engine starting.
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