An apparatus and method for damping vibrations within a physical object that is subject to vibration. In one version, a highly flexible enclosure includes at least one interior cavity that is substantially filled with a damping material in which the flexible enclosure is wrapped and secured about th
An apparatus and method for damping vibrations within a physical object that is subject to vibration. In one version, a highly flexible enclosure includes at least one interior cavity that is substantially filled with a damping material in which the flexible enclosure is wrapped and secured about the exterior of the physical object.
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1. An apparatus for damping vibrations within a physical object, said apparatus comprising: a flexible enclosure substantially and loosely filled with a granulated damping material in particle form, said flexible enclosure being made from two bonded sheets of a fluid impermeable material that is con
1. An apparatus for damping vibrations within a physical object, said apparatus comprising: a flexible enclosure substantially and loosely filled with a granulated damping material in particle form, said flexible enclosure being made from two bonded sheets of a fluid impermeable material that is configured to be entirely wrapped about the physical object, the flexible enclosure having a pair of opposing outer edges and a center seam that defines first and second sides of the enclosure, wherein the opposing outer edges are releasably secured to one another to retain said flexible enclosure onto said physical object when wrapped thereabout, and in which the flexible enclosure includes at least one interior cavity defined in each side, each said at least one interior cavity being bounded by the two bonded sheets, one of the outer edges and the center seam, wherein at least one interior cavity is substantially filled with the granulated damping material. 2. The apparatus of claim 1, wherein each of said opposing outer edges include a plurality of engagement members, each of said engagement members having hooks that are engageable by lacing to releasably secure said flexible enclosure after wrapping about the physical object. 3. The apparatus of claim 1 wherein each of said first and second sides of the enclosure are substantial mirror images that are separated from one another by the center seam, each side including at least two said interior cavities. 4. The apparatus of claim 1, wherein said damping material comprises a granulated elastomer. 5. The apparatus of claim 1, wherein each side of the flexible enclosure includes a pair of interior cavities separated by an intermediate cavity, wherein only the interior cavities contain the damping material. 6. The apparatus of claim 1, wherein the fluid impermeable material is Nomex. 7. A method for damping vibrations within a physical object, said method comprising the steps of: providing a flexible enclosure made from two bonded sheets, each made from a fluid-impermeable material, the flexible enclosure having a center seam separating respective first and second sides of the enclosure, each of the first and second sides of the flexible enclosure having at least one interior cavity that is substantially and loosely filled with a damping material produced in particle form, each interior cavity being bounded by an outer edge of the enclosure, the center seam and the two bonded sheets;wrapping said flexible enclosure in overlaying relation over a portion of said physical object; andsecuring said flexible enclosure to said physical object, wherein lateral outer edges on the first and second sides are secured to one another following wrapping of said enclosure about the physical object. 8. The method of claim 7, wherein each of said lateral outer edges includes a plurality of engagement members used for securing said flexible enclosure once wrapped about the physical object. 9. The method of claim 7, each side of the flexible enclosure having a pair of interior cavities and an intermediate cavity disposed between the pair of interior cavities and in which the intermediate cavity is not filled with the damping material. 10. The method of claim 7, in which the fluid-impermeable material of the flexible enclosure is Nomex. 11. An apparatus for damping vibrations within a physical object, said apparatus comprising: a flexible enclosure comprising a pair of bonded sheets made from a fluid impermeable material, the flexible enclosure being defined by a center seam separating first and second sides of the flexible enclosure, each side of the enclosure including at least one interior cavity substantially and loosely filled with a damping material produced in particle form, said enclosure having a first outer edge and a second outer edge on the first and second sides, each interior cavity of the enclosure being defined by one of the outer edges, the center seam and an interior surface of the pair of bonded sheets, said first and second outer edges having a plurality of engagement members disposed in spaced relation that enable said flexible enclosure to be secured in overlaying relation relative to said physical object when wrapped thereabout. 12. The apparatus of claim 11, in which said engagement members comprise hooks having C-shaped engagement portions that are reflexed inwardly toward a center axis of said flexible enclosure when wrapped about the physical object, said engagement members being configured to receive lacing that is used to wind about said C-shaped engagement portions between said outer edges for tightening and securing the flexible enclosure to the physical object. 13. The apparatus of claim 11, wherein said damping material is granulated. 14. The apparatus of claim 11, wherein said damping material is a granulated elastomer. 15. The apparatus of claim 11, each side of the flexible enclosure having a pair of interior cavities and an intermediate cavity disposed between the pair of interior cavities and in which the intermediate cavity is not filled with the damping material. 16. The apparatus of claim 11, in which the fluid impermeable material is Nomex.
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이 특허에 인용된 특허 (11)
Simonian, Stepan S.; Pillsbury, IV, Charles S.; Braun, William P.; Parker, A. Dale, Apparatus and method for damping vibration of a vehicle part.
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