Most modern variable valve-timing (VVT) systems use a cam phaser that rotates the position of each cam­shaft relative to the timing chain. Think of making a record turntable go faster or slower by ...

BorgWarner has patented a variable cam timing phaser with a lock pin that acts as a shutoff valve, preventing oil leakage from advance and retard chambers. This innovation maintains oil in the phaser ...

“I4 engines have captured about 75 percent of the global engine market and are forecast to power over 17 million additional vehicles in the next seven years. Our new cam phasing technology is ...

ABSTRACT Intake camshaft retard beyond that necessary for reliable cold start-ability is shown to improve part-load fuel economy. By retarding the intake camshaft timing, engine pumping losses can be ...

In prison, when the general population gets out of control, guards institute a lockdown. When those bells go off, inmates are secured and activity is frozen. It helps the guards maintain order and ...

Delphi will supply an innovative, continuous cam phasing system for petrol engine versions of the new Renault Megane II, launched at the Paris motor show. Fitted to the new 1.6-litre K4M Plus engine, ...