Variable valve timing - Wikipedia
Variable valve timing (VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve performance, fuel economy or emissions. It …
What Is VVT? Benefits, How It Works, and Maintenance Guide
Aug 22, 2025 · Variable valve timing (VVT) is a clever piece of automotive technology that optimizes engine performance and allows for better fuel efficiency in vehicles. It works by …
What Is Variable Valve Timing, And How Does It Work?
Jul 6, 2025 · VVT technology first appeared in vehicles all the way back in 1924, when a patent was filed for a valve with a variable opening duration to better control the intake and exhaust …
What Is a Variable Valve Control (VVC) System? - Engineer Fix
3 days ago · Variable Valve Control (VVC) is a sophisticated technology applied in modern internal combustion engines to enhance operation across the entire range of engine speeds. …
Pondering Variable Valve Timing - Snap-on
In this Technical Focus Article, learn about the main components of Variable Valve Timing, the functions & benefits, VVT history, and common causes of VVT malfunction.
What is Variable Valve Control? A Comprehensive Guide
Dec 17, 2025 · Discover what is variable valve control, its benefits, and its role in enhancing efficiency and safety in industrial plants.
What is Variable Valve Timing and how does it work?
Dec 9, 2024 · Enter Variable Valve Timing (VVT)—a game-changer in modern engine technology. Found in all late-model engines, VVT eliminates this compromise by dynamically adjusting …
(VVT) Variable Valve Timing: Enhancing Engine Performance
Oct 5, 2024 · (VVT) Variable Valve Timing, is a 2-stage, hydraulically controlled cam phasing system. So, as engine technologies improve and become less expensive, (VVT) variable valve …
Variable Valve Event and Lift Control system (VEL)
Engine Control Unit (ECU) computes the required information of engine speed, temperature, and accelerator opening, and sends the control signal to Solenoid Valve. Oil pressure controlled by …
What is VVT (Variable Valve Timing)? - enginewikitech.com
Oct 31, 2024 · Discover how Variable Valve Timing (VVT) technology improves your car engine performance, fuel efficiency, and power output. Learn the basics and benefits explained simply.