Method to measure the ability of a flowing powder to electrostatically charge and measurement device
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United States of America Patent
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Jun 9, 2020
Grant Date -
Oct 5, 2017
app pub date -
Aug 13, 2015
filing date -
Sep 8, 2014
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Abstract
A method and measurement device for measuring the ability of a flowing powder to electrostatically charge comprising a conduit comprised of a straight upper part fluidly connected to a straight lower part, the upper part being positioned at a first angle to the horizontal and the lower part being positioned at a second angle to the horizontal and wherein upper and lower part are positioned at a third angle relative to each other defining a bend at the intersection of the upper and lower part, wherein the upper part is provided with a supply opening for the powder and the lower part is provided with a discharge opening to discharge the powder and a faraday cup is connected to an electrometer positioned relative to the discharge opening to receive powder the from the conduit.
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