What is CVVT?

1 Answers
StKylie
07/24/25 9:51am
CVVT stands for Continuously Variable Valve Timing technology. Below is an introduction to CVVT: 1. CVVT is the abbreviation for Continuously Variable Valve Timing in English, which translates to continuous variable valve timing technology in Chinese. 2. The working principle of CVVT involves installing a CVVT assembly on the camshaft. When the engine shifts from low speed to high speed, the computer automatically applies oil pressure to a small turbine inside the camshaft drive gear. Under this pressure, the small turbine rotates a certain angle relative to the gear housing, causing the camshaft to rotate forward or backward within a 60-degree range. This changes the timing of the intake valve opening, achieving the goal of continuously adjusting valve timing. Therefore, under the influence of this structure, the engine can adjust the timing of valve opening and closing according to different road conditions. 3. The CVVT control device generally consists of components such as the oil control valve (OCV), CVVT drive assembly, crankshaft position sensor, camshaft position sensor, and engine control unit (ECU).
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