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US 4,381,422 AGranted
Spacer-damper for wires of aerial electrical lines
AssigneeDAMP, S.p.A.
InventorOscar Traini
Life of this patent
Estimating the term…
Abstract
Spacer-damper, to be installed on wires of aerial electrical lines, comprising a central body having as many arms hinged thereon as the wires associated with the spacer, with a vise at the end of each arm designed for engagement on the respective wire, in which the central body has at the base a sloping plane shaping from center to the sides designed to create on the spacer an effect of negative lift, while each vise at the wire embracing zone has a bearing divided into two halves, for allowing the free rotation of the wire about its own axis.
Claims12
A spacer-damper for a plurality of suspended aerial lines comprising:
- a central body carrying a plurality of arms, each of said plurality of arms terminating with means for clamping around a respective one of said lines;
- and an aerodynamic surface coupled to said body and independent of said arms, said aerodynamic surface including a first surface extending horizontally away from said body and a second surface forming an acute angle with said first surface whereby said aerodynamic surface acts to impede line galloping in response to wind.
Dependencies are inferred from the claim text.