Structureborne noise isolator
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United States of America Patent
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-
Dec 7, 1993
Grant Date -
N/A
app pub date -
Dec 6, 1991
filing date -
Dec 6, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A structureborne noise isolator employs a two axis system whereby a noise generating platform is coupled to an inner frame by a first pair of diametrically positioned noise isolators, the inner frame being coupled to an outer frame by a second pair of diametrically positioned noise isolators. At least one noise isolator comprising a coil spring shrink fitted at one end to an inner housing and at the other end to a cover. The inner housing is inserted into an outer housing with a damping compound between and potted to the inner and outer housings. Additional damping compound is bonded to the base of the outer housing separating the base of the outer housing from the base of the inner housing. The cover, having damping compound bonded thereto, is coupled to the outer housing. A hub, positioned adjacent to the damping compound on the cover, is coupled to the inner housing.
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