Device for coupling an ultrasound clamp-on measuring head on the wall of a tube
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United States of America Patent
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Mar 18, 2008
Grant Date -
Jun 21, 2007
app pub date -
Oct 8, 2004
filing date -
Oct 13, 2003
priority date (Note) -
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Abstract
The invention relates to a device for coupling ultrasound clamp-on throughflow measuring heads to a high-temperature measuring tube. The invention is characterized in that a thin coupling plate is arranged between the tube wall and the measuring head. As a result, the temperature of the measuring head can be reduced to a maximum acceptable value. The shape of the coupling plate affects the adjustable temperature profile in such a way that the isotherms extend in the tube wall area in a parallel manner in relation to the path length of the sound waves in the measuring head area, thereby minimizing resulting errors in throughflow measurement.
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