In order to improve the optimisation of the valve timing for differing engine speeds and loads, the system is able to vary the timing and duration of the inlet valve opening. It achieves this by using a complex …

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 continuously …

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 valves of an...

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 valve …

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 do Variable Valve Timing (VVT) Solenoids (Oil Control Valves) and Sprockets (Actuators or Phasers) do? The VVT Solenoid meters the oil flow to control the actuation of the VVT Sprocket. The …

Mar 5, 2025 · Today we will discuss the Variable Valve Timing Solenoid, its working principle, structure, and types. The variable valve timing (VVT) solenoid is a vital engine component in modern cars to …

VTC continuously varies valve timing with engine speed, temperature, and load of engine. Valve timing has been fixed by opposing requests of various engine operations.

There are several systems and methods used to achieve VVT. Modern VVT systems are computer controlled and utilize electrical solenoids to control valve timing change. When the solenoids are …

Mar 27, 2024 · VVT is a technology that adjusts cam timing to change: Variable Valve Timing is a system used in internal combustion engines to adjust the operation of the valves. This is done by …