What is the difference between CVVT and CVT engines?

1 Answers
RyderMarie
07/29/25 4:43pm
Here are the specific differences between CVVT and CVT engines: 1. Concept: CVT is the abbreviation for Continuously Variable Transmission, not an engine technology. CVVT stands for Continuous Variable Valve Timing, one of the many variable valve timing technologies gradually applied to modern cars in recent years. 2. Working principle: The structure of CVT is simpler than that of traditional transmissions, with a smaller size. It does not have the numerous gear pairs of manual transmissions or the complex planetary gear sets of automatic transmissions. It mainly relies on the driving and driven pulleys and a metal belt to achieve continuously variable speed ratios. CVVT is a technology that changes the timing of the camshaft opening the intake valve through an electronic hydraulic control system, thereby controlling the required valve overlap angle.
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