Conceptual Design of Gear Differentials for Automotive Vehicles

[+] Author and Article Information
Hong-Sen Yan

Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan 70101, R.O.C.

Long-Chang Hsieh

Department of Power Mechanical Engineering, National Yunlin Institute of Polytechnic, Huwei, Yunlin, Taiwan 63208, R.O.C.

J. Mech. Des 116(2), 565-570 (Jun 01, 1994) (6 pages) doi:10.1115/1.2919415 History: Received June 01, 1992; Revised February 01, 1993; Online June 02, 2008


An automotive gear differential is a joint-fractionated planetary gear train with two degrees-of-freedom. We summarize the characteristics of planetary gear trains and the design constraints of noncoupled automotive gear differentials to synthesize their corresponding kinematic graphs. Based on these graphs and the proposed respecializing process, we generate the atlas of design concepts for automotive gear differentials with any types of gear pairs. As a result, there are 4, 25, and 156 design concepts for five-, six-, and seven-bar automotive gear differentials, respectively.

Copyright © 1994 by The American Society of Mechanical Engineers
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