Development Overview of Valve-train of Engine
Zhang zheng-you
(Chongqing Institute of Technology；Automobile college 20024622)
【Abstract】: This text discussed development progress of valve-train of engine and variable technique be using in the field. In addition, classifications and detail introductions were made for the valve actuators of automotive engine. The structures, fundamentals and advantage of the different actuators were summed up. In the end, further investigations in the future wre put forwards.
【Key word】: engine； valve train； variable technique； valve actuators
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