A New Lateral Vibration Damper Using Leaf Springs

[+] Author and Article Information
Yang-Gyu Jei

Altwell I&C Co., Ltd., 536-9, Bongmyung-Dong, Yusong-Gu, Daejeon, 305-301, Korea

Jong-Soo Kim

Division of Mechanical System Engineering, Korea Maritime University, 1, Dongsam-Dong, Youngdo-Gu, Pusan, 606-791, Korea

Seong-Wook Hong

Dept. of Precision Mechanical Engineering, Kumoh National University of Technology, Kumi, Korea

Si-Young Jung

Dept. of Aeromechanical Engineering, Inha Technical Junior College, 253, Yonghyun-Dong, Nam-Gu, Inchon, 402-751, Korea

J. Vib. Acoust 121(3), 343-350 (Jul 01, 1999) (8 pages) doi:10.1115/1.2893986 History: Received April 01, 1998; Revised January 01, 1999; Online February 26, 2008


The present paper introduces a new lateral vibration damper using leaf springs and oil. This damper, named as a leaf spring damper (LSD), has several beneficial rotordynamic advantages. The leaf spring vibration damper, unlike the well-known squeeze film damper, is simple and easy enough to design the required stiffness and damping coefficients. Furthermore, the damper can be designed as a unit product joined with a rolling element bearing. A theoretical modeling procedure for leaf spring damper is presented in detail. Prototypes of the leaf spring damper are manufactured to test the dynamic characteristics of the damper. Experiments are performed to measure the stiffness and the damping coefficients of the damper.

Copyright © 1999 by The American Society of Mechanical Engineers
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