Tapered roller drive for electric VCT phaser
Patent No. 10,180,088
Issued: January 15, 2019
Inventor: McCloy; Chad (Cortland, NY)
An electric phaser for dynamically adjusting a rotational relationship of a camshaft with respect to an engine crankshaft of an internal combustion engine includes an electric motor and a tapered roller drive. The tapered roller drive includes a sun, rollers, a carrier, at least one ring, and at least one load generator providing an axial load. The rollers are maintained in rolling engagement with the sun and the ring without the use of teeth. In some embodiments, the tapered roller drive is based on a fixed-sun design. In other embodiments, the tapered roller drive is based on a split ring design.
Reference to Related Applications
Claims Benefit of Provisional Application 62/167,938 filed May 29, 2015
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