Payload adapter
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United States of America Patent
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May 29, 2007
Grant Date -
Jan 26, 2006
app pub date -
Jul 6, 2004
filing date -
Jul 6, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A payload adapter consists of a body that when hollow includes a plurality of stiffeners--radial and/or circumferential--or alternatively a core for carrying shear loads. The body may include a first annular face sheet, a second annular face sheet and a plurality of stiffeners connecting between the first annular face sheet and the second annular face sheet. The combination of the annular hollow body and the plurality of stiffeners or the same face sheets combined with an in-filled core results in an axial frequency and a lateral (pitch) frequency for the payload adapter that provides superior vibration isolation. Constrained layer damping is incorporated into the design for additional vibration attenuation.
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