Protection device for chains of insulators of high-voltage transmission lines
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United States of America Patent
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Apr 28, 2009
Grant Date -
Sep 27, 2007
app pub date -
Mar 27, 2006
filing date -
Mar 27, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Device for the protection from effects of an electric field, of the metal parts of chains of insulators of already mounted and operational high-voltage transmission lines includes: a fastening/support plate; anchoring elements to anchor the plate to the suspension yoke of the conductors of the transmission line, the anchoring elements being adjustably mounted on the plate according to at least two degrees of freedom; and at least one guard ring, which may be anchored on the plate with fastening elements. The plate has an upturned-U cross-section and its upper surface is formed by geometrically coupling with the lower surface of the suspension yoke. The anchoring elements include a pair of arms articulately, mounted on the plate; such articulation including, for each arm, a pin pivotally, mounted within seats formed in the plate perpendicularly to the longitudinal axis thereof, and a pair of holes running through the pin.
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