Measuring and testing – Volume or rate of flow – Mass flow by imparting angular or transverse momentum to the...
Reexamination Certificate
2008-04-22
2008-04-22
Thompson, Jewel (Department: 2855)
Measuring and testing
Volume or rate of flow
Mass flow by imparting angular or transverse momentum to the...
Reexamination Certificate
active
07360453
ABSTRACT:
The measuring device comprises, for measuring multi phase mixture, a vibratory-type transducer and a measuring device electronics electrically coupled with the vibratory-type transducer. The transducer includes at least one measuring tube inserted into the course of the pipeline. An exciter arrangement acts on the measuring tube for causing the at least one measuring tube to vibrate. A sensor arrangement senses vibrations of the at least one measuring tube and delivers at least one oscillation measurement signal representing oscillations of the measuring tube. Further, the measuring device electronics delivers an excitation current driving the exciter arrangement. The measuring device is adapted to compensating measurement errors, induced due to the presence of multi phase mixture, based on a movin resonator model (MRM).
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Alfred Rieder, Wolfgang Drahm and Hao Zhu, Coriolis Mass Flowmeters: On Measurement Errors In Two-Phase Conditions, Paper 3.4, Proceedings of Flowmeko 2005, XP009083045 Jun. 2005.
Drahm Wolfgang
Rieder Alfred
Bacon & Thomas PLLC
Endress & Hauser Flowtec AG
Thompson Jewel
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