Is CVVT Technology Outdated?

1 Answers
VonTyler
07/29/25 7:01pm
CVVT is considered outdated compared to DVVT, but it is still used in many vehicle models today, proving that its technical characteristics still have a market. Below are specific details about CVVT: 1. Introduction: CVVT, translated into English as Continuous Variable Valve Timing, is one of the many variable valve timing technologies gradually applied to modern cars in recent years. The goal is to match the optimal valve overlap angle (valve timing) under different engine operating conditions, although the methods of achieving this vary. 2. Technology: The CVVT developed by Hyundai Motor is a technology that uses an electro-hydraulic control system to adjust the timing of the camshaft opening the intake valve, thereby controlling the desired valve overlap angle. This technology focuses on the first letter 'C' (Continue), emphasizing continuous adjustment of the valve overlap angle based on the engine's operating conditions, thereby altering the cylinder's air intake volume.
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