Mount with adjustable length inertia track

Details Mount with adjustable length inertia track Mount with adjustable length inertia track

1989-08-10

1990-11-13

Butler, Douglas C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267219, F16F 1300, F16M 500

Patent

active

049696327

ABSTRACT:
The fluid inertia mount of the like has an inertia track with an adjustable fluid path length located between variable volume fluid chambers of the mount. By adjusting the fluid path length of the inertia track the mount may be dynamically tuned continuously between a range of frequencies in a manner to provide a low stiffness notch for isolating input excitations that produce undesirable vehicle vibrations. A tuning plate assembly adjustably locates an opening of the inertia track in a desired location along the length thereof betwene extreme positions in which the fluid path length is relatively long and relatively short.

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B. M. Patel, G. E. Warnaka, and D. J. Mead, "New Structural Damping Technique for Vibration Control," Lord Library of Technical Articles, Report no. LL-6000 (1978).
E. J. Krasnicki, "Comparison of Analytical and Experimental Results for a Semi-Active Vibration Isolator," Lord Library of Technical Articles, Report No. LL-2139 (1980).
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W. C. Flower, "Understanding Hydraulic Mounts for Improved Vehicle Noise, Vibration and Ride Qualities," Lord Library of Technical Articles, Report No. LL-2166 (1985).
L. R. Miller, "An Introduction to Semi-Active Suspension Systems," Lord Library of Technical Articles, Report No. LL-1204 (1986).

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