Level gauge system with wettable propagation device
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United States of America Patent
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May 20, 2014
Grant Date -
Sep 19, 2013
app pub date -
Mar 13, 2012
filing date -
Mar 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a level gauge system for determining a filling level of a product contained in a tank, comprising a transceiver for generating, transmitting and receiving electromagnetic signals; a signal propagating device connected to the transceiver and arranged to propagate a transmitted electromagnetic signal along a generally vertical path towards a surface of the product inside the tank, and to return a surface echo signal resulting from reflection of the transmitted electromagnetic signal at the surface of the product contained in the tank; and processing circuitry connected to the transceiver and configured to determine the filling level based on the surface echo signal. A surface of the signal propagating device comprises a surface portion that exhibits a wettability defined by a contact angle between the surface portion and water being less than 30°.
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