Space dampers for four-conductors bundles
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United States of America Patent
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Jun 20, 2017
Grant Date -
Jan 15, 2015
app pub date -
Dec 30, 2011
filing date -
Dec 30, 2011
priority date (Note) -
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Abstract
A space damper for 4-cable bundles of overhead power transmission lines is disclosed, comprising a framework (10) where—from four support arms (20a-20b) depart, at the distal ends of which there are provided clamps for fastening electric cables, said arms (20a-20c) being constrained to the framework (10) through respective dampening hinges (30a-30c), wherein the spacer damper is configured so that the vertical, natural-mode frequencies thereof are higher than the corresponding horizontal, natural-mode frequencies thereof.
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