Vibrationally damped structure

Details Vibrationally damped structure Vibrationally damped structure

1996-05-14

1998-01-06

Carone, Michael J.

Ships

Torpedoes

181290, 181292, 181294, 367149, 367151, 367173, 367176, F16F 1500, B32B 2504, B63H 2130

Patent

active

057057699

ABSTRACT:
A vibrationally damped structure includes a structure that is susceptible vibrations and a constrained damping layer positioned over at least a portion of the vibrating structure. The constrained damping layer includes a continuous damping layer bonded to the surface of the structure for providing the first reduction of vibrational energy transmitted through the structure. The constrained damping layer further includes a segmented constraining layer bonded to a portion of the continuous damping layer for providing a second reduction of vibrational energy transmitted through the structure and the continuous damping layer. The continuous damping layer preferably includes a layer of elastomeric material bonded to the structure with an epoxy bonding compound or the like. The segmented constraining layer includes a plurality of rigid segments, such as aluminum plates, bonded to the continuous damping layer with a bonding compound. The constrained damping layer can be placed over the shell structure on its interior surface, exterior surface or both surfaces.

REFERENCES:
patent: 3130700 (1964-04-01), Peterson
patent: 4399526 (1983-08-01), Eynck
patent: 4756264 (1988-07-01), Ewbank
patent: 5106439 (1992-04-01), Wellings et al.
patent: 5337288 (1994-08-01), Sorathia et al.
patent: 5389746 (1995-02-01), Moody
patent: 5396855 (1995-03-01), DuBois

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