Benefits of Variable Valve Timing

The desired lowering velocity is reached by activating the valve using a hydraulic piston. Some engines have variable valve timing.

Variable Valve Timing Vvt

In some designs valve lift can also be varied according to engine speed.

. Moreover all these benefits come without any drawback. MIVEC Mitsubishi Innovative Valve timing Electronic Control system is the brand name of a variable valve timing VVT engine technology developed by Mitsubishi MotorsMIVEC as with other similar systems varies the timing of the intake and exhaust camshafts which increases the power and torque output over a broad engine speed range while also being able to help spool a. In such an engine the ECU controls the time in the engine cycle at which the valves open.

At high speed higher lift quickens air intake and exhaust thus further optimise the breathing. This can increase the flow of air into the cylinder increasing power and fuel economy. Variable Valve Timing VVT Basic Theory.

The valves are usually opened sooner at higher speed than at lower speed. Back pressure valve with the task of preventing pulling loads on cylinders or motors from causing uncontrolled lowering. For this purpose it is pre-loaded to a higher pressure than the pressure corresponding to the maximum permitted load.

Of course at lower speed such lift will generate counter. Control of variable valve timing.

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