Ford Global Technolgoies, LLC

Wesley Kridner

Mohammad Ali Moetakef

Jamie Charles Hanshaw

Steve Poe

Georg Festag

A phase control apparatus in a variable cam timing (VCT) system of an engine is described herein. The phase control apparatus includes a locking pin coupled to a vane, the locking pin extending into a locking pin recess in a cover plate in a locked configuration, the locking pin and locking pin recess having a backlash and a housing at least partially enclosing the vane and spaced away from the vane forming a gap in the locked configuration.

Variable cam timing system and method

A camshaft phaser for an internal combustion engine includes a rotor which is rotationally coupled to a camshaft and a hydraulic positioning system for timing the rotor and camshaft with respect to the crankshaft of an engine. A bypass circuit permits hydraulic fluid, such as engine lubricating oil, to flow through at least a portion of the phaser without affecting timing of the camshaft with respect to the crankshaft. In this manner, the phaser may be warmed up rapidly, without adversely affecting engine operation.

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Canton, MI, United States of America

Wesley Kridner