Phaser built into a camshaft or concentric camshafts

Patent No. 8,584,634

Issued: November 19, 2013
Filed: September 10, 2009
PCT Filed: September 10, 2009
PCT No.: PCT/US2009/056429
371(c)(1),(2),(4) Date: March 03, 2011
PCT Pub. No.: WO2010/033415
PCT Pub. Date: March 25, 2010Term Extension:  days

Inventor: Wigsten; Mark M. (Lansing, NY)
Assignee: BorgWarner Inc. (Auburn Hills, MI)


A camshaft assembly for an internal combustion engine comprising: a hollow outer shaft 2, an inner shaft 4, cam lobes 6, 8, a phaser 42, 32, and a remote control valve 16. The inner shaft 4 is received within the hollow outer shaft 2. The phaser 42, 32 is mounted to the inner and outer shafts 4, 2. The remote control valve 16 controls the flow of fluid to and from the phaser 42, 32 through a plurality of passages 22, 24, 26, 28 and the inner shaft 4.

Reference to Related Applications

This application claims one or more inventions which were disclosed in Provisional Application No. 61/098,274, filed Sep. 19, 2008, entitled, "PHASER BUILD INTO A CAMSHAFT OR CONCENTRIC CAMSHAFTS" and in Provisional Application No. 61/098,289, filed Sep. 19, 2008, entitled, "CAM TORQUE ACTUATED PHASER USING BAND CHECK VALVES BUILD INTO A CAMSHAFT OR CONCENTRIC CAMSHAFTS." The benefit under 35 USC .sctn.119(e) of the United States provisional application is hereby claimed, and the aforementioned applications are hereby incorporated herein by reference.


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