Tuned broadband particulate vibration absorber
US5855260A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 13, 1996 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Dec 13, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F7/01
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.