JRM Vol.7 No.4 pp. 285-294
doi: 10.20965/jrm.1995.p0285


Vibration Control of Engine Roll and Bounce Using Hydraulic Engine Mounts

Kazuto Seto*, Masao Ishihama**, Akio Nagamatsu*** and Kazuhiro Doi**

*Dept. of Mechanical Engineering, College of Science and Technology, Nihon University, 1-8, Kanda-Surugadai, Chiyoda-ku, Tokyo, 101 Japan

**Nissan Motor Co., Ltd., 1 Natsushima-cho, Yokosuka, Kanagawa, 237 Japan

***Tokyo Institute of Technology, 2-12-1 Ohokayama, Meguro-ku, Tokyo, 152 Japan

April 5, 1995
April 20, 1995
August 20, 1995
Vibration, Vibration suppression, Optimum design, Hydraulic mount, Roll and bounce modes
This paper shows the optimum design method for hydraulic engine mounts. Engine mounts have been developed recently to significantly reduce the vibration in car bodies caused by engines. The resonance peaks of conventional engine-mounting systems can not be suppressed sufficiently. Hydraulic engine mounts are able to suppress the resonance peaks by using the fluid reaction effect of the fluid enclosed in the mounts. The design was recently modified by trial and error experiments. Due to lack of information on a suitable design, the ability of this design has not been effectively demonstrated. In this paper, after the mount is analyzed, its optimum design formula is obtained in a simple and useful manner, similar to the design equation for dynamic absorbers. This design formula is applied for designing two hydraulic engine mounts to control engine vibrations in the roll and bounce modes. The effectiveness of the formula is confirmed theoretically and experimentally.
Cite this article as:
K. Seto, M. Ishihama, A. Nagamatsu, and K. Doi, “Vibration Control of Engine Roll and Bounce Using Hydraulic Engine Mounts,” J. Robot. Mechatron., Vol.7 No.4, pp. 285-294, 1995.
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