Devices for damping the vibrations of stay cables

Details Devices for damping the vibrations of stay cables Devices for damping the vibrations of stay cables

1989-05-15

1991-02-26

Chin-Shue, Alvin C.

Supports

Including energy absorbing means, e.g., fluid or friction...

248 744, F16L 300

Patent

active

049955837

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).

REFERENCES:
patent: 3133147 (1964-05-01), Auld, Jr.
patent: 4011397 (1977-03-01), Bouche
patent: 4739979 (1986-04-01), Kanda

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