Measuring and testing – Volume or rate of flow – By measuring electrical or magnetic properties
Reexamination Certificate
2011-03-22
2011-03-22
Thompson, Jewel (Department: 2855)
Measuring and testing
Volume or rate of flow
By measuring electrical or magnetic properties
Reexamination Certificate
active
07908932
ABSTRACT:
A measuring transducer including a measuring tube for conveying a fluid; a measuring electrode arrangement for registering electric voltages produced in the flowing fluid; as well as a magnetic field system situated externally on the measuring tube for producing a magnetic field at least partially passing through the measuring tube as well as the therein conveyed fluid during operation, for inducing an electric field in the flowing fluid, wherein the magnetic field system has at least one field coil, through which an electrical exciter current flows at least at times during operation. A coil holder is also including serving for holding the at least one field coil externally on the measuring tube, wherein the measuring tube and coil holder are connected joint-freely with one another, so that the coil holder is embodied as an integral component of the measuring tube.
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Magliocca Antonio
Wohlgemuth Werner
Bacon & Thomas PLLC
Endress & Hauser Flowtec AG
Thompson Jewel
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