Structural damper for eliminating wind induced vibrations

Details Structural damper for eliminating wind induced vibrations Structural damper for eliminating wind induced vibrations

1980-10-01

1982-09-21

Butler, Douglas C.

Brakes

Inertia of damping mass dissipates motion

188268, 2671401, F16F 710

Patent

active

043502334

ABSTRACT:
A damping assembly for reducing wind-induced vibrations in elongated strures comprises a plurality of damping tubes suspended within the structure in end-to-end relationship so that the end portions of the damping tubes are disposed in abutting relationship with the inner surface of the structure. Each damping tube includes an elongated shell, vibration damping material such as sand filling the shell, and plug elements sealing the end portions of the shell. Rod elements are secured to the plugs to interconnect the damping tubes. In an alternative arrangement spacer elements are connected to the rods so that the damping tubes are supported at their end portions in an aligned relationship.

REFERENCES:
patent: 2724588 (1955-11-01), Sheets
patent: 3259212 (1966-07-01), Nishioka et al.
patent: 3382629 (1968-05-01), Reutlinger
patent: 3568805 (1971-03-01), Reed
patent: 4130185 (1978-12-01), Densmore

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