Electrostatic charge dissipator for storage tanks
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United States of America Patent
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Jan 10, 2017
Grant Date -
Aug 27, 2015
app pub date -
Feb 26, 2014
filing date -
Feb 28, 2013
priority date (Note) -
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Abstract
Provided is an electrostatic charge dissipator for removing electrostatic charge inside a storage tank or other enclosed volume. The dissipator comprises yarns of electrically conductive polymeric fibers, such as carbon fiber. The yarns have broken fiber tips or stray fibers projecting away from the yarns, thereby functioning to concentrate electric fields and facilitate charge collection. The yarns are attached to a bracket for mechanical attachment to the tank, and are electrically connected to a feedthrough for providing an electrical path to ground potential. The present dissipator can also comprise a support, such as a rope, chain, or the like, and a weight for limiting the movement of the dissipator. The present dissipator is highly corrosion resistant and does not threaten pumps or valves with damaging metal debris.
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