Dynamic Model for an Automotive Overhead Valve-Gear System

[+] Author and Article Information
J. A. Méndez-Adriani

Department of Design, Mechanical Engineering, Central University of Venezuela, Caracas, D.F., 1051, Venezuela

Appl. Mech. Rev 42(11S), S171-S174 (Nov 01, 1989) doi:10.1115/1.3152388 History: Online June 03, 2009


This research presents a lumped-parameter model, distinct from the ones developed until the present time, easily adaptable for its analog/hybrid simulation, and that combines favorably its simplicity and precision to represent appropriately an automotive valve gear system by means of the inclusion of the hydraulic lifter and of the viscous forces produced by its guide. The checking of this new mathematical model has been accomplished by means of a qualitative comparison with other models previously devised. This model will be useful in the design stage to predict the speed at which the valve jump occurs.

Copyright © 1989 by The American Society of Mechanical Engineers
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