Turbidity sensor based on ultrasound measurements

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United States of America Patent

PATENT NO 11391699
APP PUB NO 20190285587A1
SERIAL NO

16427836

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Abstract

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A turbidity measurement device for measuring turbidity of a fluid flowing in a flow tube. A first transducer transmits ultrasonic signals through the fluid in the turbidity measurement section so as to provide a first ultrasonic standing wave between the first and second section ends. A receiver transducer receives the ultrasonic scattered response from particles in the fluid flowing through the turbidity measurement section. A control circuit operates the transducers and generates a signal indicative of the turbidity of the fluid in response to signals received from the receiver transducer. Preferably, the device may comprise a second transducer for generating a second ultrasonic standing wave with the same frequency, and further the two transducers may be used to generate a measure of flow rate by means of known ultrasonic techniques. This flow rate may be used in the calculation of a measure of turbidity. Both turbidity facilities and flow rate facilities may be integrated in a consumption meter, such as a heat meter or a water meter.

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Patent Owner(s)

  • KAMSTRUP A/S

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dupont, Sune Hoveroust Hasselager, DK 6 4
Laursen, Peter Schmidt Skanderborg, DK 19 65
Nielsen, Søren Tønnes Solbjerg, DK 19 118
Sørensen, Jens Lykke Beder, DK 12 55

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