Device to continuously determine the rate of extraction of water steam used for drying transformers
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United States of America Patent
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Nov 12, 2013
Grant Date -
Mar 7, 2013
app pub date -
Sep 7, 2011
filing date -
Sep 7, 2011
priority date (Note) -
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Abstract
A moisture flow meter is provided in the air at negative pressures in the drying of transformers by means of a vacuum process for water extraction, causing a differential of pressure through a device of orifice plate and the continuous measurement of the dewpoint. The meter includes a pipeline, a continuous dewpoint meter able to support negative pressure, as well as the use of a orifice plate and two vacuum meters (vacuum meters) capable of measuring the pressure of condensable steam as well as a orifice which, allow a pressure drop. The signals on both sides of the orifice plate and the one from the dewpoint temperature are sent to a data acquisition card, which allows to measure, with the help of an algorithm, the amount of water in weight that flows per time unit.
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