Devices for damping the vibrations of stay cables
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United States of America Patent
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Feb 26, 1991
Grant Date -
N/A
app pub date -
May 15, 1989
filing date -
May 16, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device is provided for damping the vibrations of a stay cable (1) comprising an annular gutter (6) surrounding a section of the cable and secured to this cable, an annulus (8) mounted in the gutter, with interpositioning of an annular cavity (7), so as to be able to move transversely with respect to this gutter, substantially indeformable seals (10) providing sealing of the annular cavity with respect to the outside, a cushion (9) made from a material capable of flowing without modifying its overall volume and filling the annular cavity, and a rigid structure (11) connecting the annulus to an appropriate foundation (12).
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