Harmonic drive camshaft phaser

  • US 20080047511A1
  • Filed: 08/22/2006
  • Published: 02/28/2008
  • Est. Priority Date: 08/22/2006
  • Status: Active Grant
First Claim
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1. A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft in an internal combustion engine, comprising a first harmonic gear drive unit including a first wave generator, a first flexspline mounted on said first wave generator, and a first circular spline geared to said first flexspline.

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