发明授权
US07691021B2 Power train for hybrid electric vehicles and method of controlling the same 有权
混合电动汽车动力传动系及其控制方法

Power train for hybrid electric vehicles and method of controlling the same
摘要:
A power train having dual modes for hybrid vehicles increases the range of the transmission gear ratio within which the efficiency of the power train is superior. The method of operating the power train varies depending on the transmission gear ratio, and thus the power train can be operated with superior efficiency.
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