Device For Determining And/Or Monitoring Volume And/Or Mass Flow Of A Medium
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Accused Products
Abstract
A device for determining and/or monitoring volume and/or mass flow rate of a medium that flows in a direction of flow through a pipeline/measuring tube of inner diameter. The device comprises at least two ultrasonic transducers that emit and/or receive ultrasonic measuring signals along defined sonic paths and a control/evaluation device which determines the volume flow rate and/or the mass flow rate of the medium to be measured inside said pipeline/measuring tube based on the ultrasonic measuring signals according to the travel-time difference principle. In order to provide a multichannel ultrasonic flowmeter, at least one reflector element is placed in the interior of the pipeline/measuring tube. The reflector element has a defined distance from the inner surface of the pipeline/measuring tube and is placed within the sonic path of the ultrasound measuring signals running through the pipeline/measuring tube.
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Citations
26 Claims
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1-13. -13. (canceled)
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14. A device for ascertaining and/or monitoring volume and/or mass flow of a medium flowing through a pipeline/measuring tube of a given inner diameter, comprising:
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at least two ultrasonic transducers, which emit and/or receive ultrasonic measuring signals along defined sound paths;
a control/evaluation unit, which ascertains volume and/or mass flow of the medium in the pipeline/measuring tube on the basis of the ultrasonic measuring signals according to the travel-time difference principle; and
at least one reflector element is provided in an interior of the pipeline/measuring tube, wherein;
said reflector element has a defined distance from an inner surface of the pipeline/measuring tube; and
said reflector element is arranged in a sound path of the ultrasonic measuring signals in the pipeline/measuring tube. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification