Car and Driver

Variable Valve Timing Explained: An Appreciation of How Quickly Engines Operate

When it comes to the many variables of combustion inside an engine, engineers measure the timing of key events in degrees of crankshaft rotation, a relative frame of reference that remains constant ...
JSTOR Daily

A New Concept of Diesel Fuel Injection—Timing and Injection Rate Control System

This paper presents firstly the newly developed "Timing and Injection Rate Control System" for heavy duty diesel engine. In this system, a new concept of diesel fuel injection variable pre-stroke ...
SlashGear

What Was The First Engine To Feature Variable Valve Timing & Why Was It Such A Game Changer?

The first production car engine with variable valve timing (VVT) came from Alfa Romeo in 1980. It was installed in the fuel-injected Alfa Romeo Spider. Before this, a few experimental systems existed, ...
Just Auto

Ford Motor gets grant for adjusting injection timing for closely spaced multiple injections in engines

Ford Motor has patented a method for adjusting injection timing of closely spaced multiple injections using the same injector. The system adjusts timing based on previous injections, optimizing fuel ...