Electricity: conductors and insulators – Overhead – With conductor vibration damping means
Patent
1993-09-13
1994-12-06
Picard, Leo P.
Electricity: conductors and insulators
Overhead
With conductor vibration damping means
174146, H02G 712, H02G 714
Patent
active
053713206
ABSTRACT:
A spacer-damper for maintaining the spacing between electrical transmission conductors or the like and for damping any vibratory motion of such conductors includes a rigid spacer in the form of a multi-sided frame having at least two spherical mounts for conductor clamps. The clamps are connected to the spherical mounts, but separated therefrom by a resilient damping covering on the spherical mounts. Indentations on the spherical mounts and on the clamps mate with protrusions on inner and outer surfaces of the resilient damping covering to inhibit relative movement therebetween. Longitudinal, transverse and vertical vibrations in the conductors held by the clamps are damped by shear forces which arise within the resilient damping material, longitudinal vibrations being parallel to the ground axially along the length of the conductors, transverse vibrations being parallel to the ground but perpendicular to the conductors, and vertical vibrations being perpendicular to the ground.
REFERENCES:
patent: 3300575 (1967-01-01), Short
patent: 3978276 (1976-08-01), Poffenberger et al.
patent: 4223176 (1980-09-01), Hawkins
patent: 4278833 (1981-07-01), Hawkins
patent: 4471156 (1984-09-01), Hawkins
Anon, "Space Damper for Overhead power transmission lines" Mar. 1975, No. 131, p. 11.
Chiarella Francesco G.
Torok John G.
Fargo Mfg. Co., Inc.
Picard Leo P.
Sough Hyung S.
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