Concentric cam with phaser

Patent No. 8,146,551

Issued: April 3, 2012
PCT Filed: June 06, 2008
PCT No.: PCT/US2008/066030
371(c)(1),(2),(4) Date: December 08, 2009
PCT Pub. No.: WO2008/157076
PCT Pub. Date: December 24, 2008

Inventors: Pluta; Christopher J. (Ithaca, NY)
Assignee: BorgWarner Inc. (Auburn Hills, MI)

An assembly for an engine comprising at least one phaser and a camshaft assembly. The camshaft assembly has an outer camshaft piece and an inner camshaft piece. The outer camshaft piece includes an outside cam integrally attached to the housing of the phaser through a middle portion. The outer camshaft piece also defines a hollow extending a length. The inner camshaft piece includes an inner cam adjacent to the outer cam. A tube portion extends from a first side of the inner cam and is received by the hollow of the outer camshaft piece, connecting the inner cam to the rotor of the phaser. A shaft portion extends to an end portion from the other side of the outer cam. A passage, connected to an inlet line is present within the inner camshaft piece, directing fluid to the control valve of the phaser.

Reference to Related Applications

This application claims one or more inventions which were disclosed in Provisional Application No. 60/944,806, filed Jun. 19, 2007, entitled "CONCENTRIC CAM WITH PHASER". The benefit under 35 USC .sctn.119(e) of the United States provisional application is hereby claimed, and the aforementioned application is hereby incorporated herein by reference.

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