VCT phaser having an electromagnetic lock system for shift and lock operation
Patent No. 6,883,479
Issued: April 26, 2005
Inventors: Simpson; Roger (Ithaca, NY)
A locking device is provided to lock the phaser vane and sprocket together at all times except when the phaser is moving from position to position. The locking device ensures that the phaser is locked for start conditions and ensures the prevention of noise from being generated. The locking device also ensures that the timing accuracy of the phaser is controlled at a number of positions for the steady state condition.
This application claims an invention which was disclosed in Provisional Application No. 60/423,555, filed Nov. 4, 2002, entitled "VCT PHASER HAVING AN ELECTROMAGNETIC LOCK SYSTEM FOR SHIFT AND LOCK OPERATION". The benefit under 35 USC .sctn.119(e) of the U.S. provisional application is hereby claimed, and the aforementioned application is hereby incorporated herein by reference.
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