RESEARCH PAPERS: Mechanisms Papers

Application of Kinematically Compatible Rolling-Contact Pairs to the Design of Low-Friction Rocker-Pivots

[+] Author and Article Information
M. Chew

Power Systems Research Dept., General Motors Research Laboratories, Warren, MI 48090

J. Mech., Trans., and Automation 107(3), 388-393 (Sep 01, 1985) (6 pages) doi:10.1115/1.3260728 History: Received July 10, 1984; Online November 19, 2009


The concept of rolling-contact has been applied to reduce friction at highly loaded rocker-pivots without the use of rolling element bearings. Various configurations for a rolling motion at the pivot are discussed. As an example, this rolling-contact concept is applied to the pivot of a valve-train rocker. Problems relating to stability and motion distortion of the rocker are addressed and solved, resulting in significant friction reduction at the pivot.

Copyright © 1985 by ASME
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