Brakes – Inertia of damping mass dissipates motion – Resiliently supported damping mass
Patent
1996-12-13
1999-01-05
Oberleitner, Robert J.
Brakes
Inertia of damping mass dissipates motion
Resiliently supported damping mass
188378, 244119, B64C 100, F16F 710
Patent
active
058552600
ABSTRACT:
Broadband particulate absorbers include a suspended container for containing particulate beads that absorb vibration energy over a broad bandwidth so reduce coupled vibrations of mechanical systems over the broad bandwidth. The absorbers preferably include two opposing aluminum containers for containing particulate teflon beads. The aluminum containers are suspended and separated by aluminum I-beams attached to stringers of a rocket subjected during lift off to atmospheric pressure vibrations exerted on the vehicular skin coupling vibration through the stringers to trusses supporting sensitive inertial navigation payloads. The absorbers can be finely tuned using variably thick mass or various amounts of beads for reducing peak vibrations coupled into the payloads.
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"Passive, Adaptive and Active Vibration Absorbers--A Survey", J.W.Sun, M.R. Jully & M.A. Norris, Transactions of the ASME, vol. 117, pp. 234-242, Jun. 1995.
"A New Racket Shakes Up Tennis", S. Ashley, Mechanical Engineering, pp 80-81, Aug. 1995.
Oberleitner Robert J.
Reid Derrick Michael
Schwartz Chris
The Aerospace Corporation
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