Kinematics of the Full-Toroidal Traction Drive Variator

[+] Author and Article Information
Madhusudan Raghavan

Powertrain Systems Research Lab, GM R&D Center, 30500 Mount Road, Warren, MI 48090-9055e-mail: madhu.raghavan@gm.com

J. Mech. Des 124(3), 448-455 (Aug 06, 2002) (8 pages) doi:10.1115/1.1480816 History: Received January 01, 2001; Online August 06, 2002
Copyright © 2002 by ASME
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Front, top, and side-views of the full-toroidal traction drive
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Velocity vectors and principles of roller steering
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Torus and roller in side-view
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Roller normal in side-view
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Effect of caster on roller normal
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Roller in generic position
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Input-output speed ratio as a function of roller displacement
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(a ) Kinematic simulation; roller inclination, and speed ratio versus roller displacement. (b ) Sensitivity of speed ratio change to torus proportions. (c ) Sensitivity of speed ratio change to caster angle.




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