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 ...

BorgWarner will expand its variable cam timing (VCT) line with a new family of cam phasers for I4 engines. The modular design supports a variety of cam phasing technologies, including cam torque ...

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 ...

A cam phaser is a sprocket which adjusts the position of an engine’s camshaft in relation to its crankshaft and is tuned with a computer-controlled servo. Camshafts control the timing of engine intake ...

“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 ...