Ultrasonic method and apparatus for flow measurement

An ultrasonic probe for flow rate measurement by the Doppler effect includes at least one wide-beam ultrasound transducer fixed on a support block and at least one narrow-beam ultrasound transducer fixed on a support block and whose beam position is known in relation to the wide beam, and a control...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CATHIGNOL, DOMINIQUE, MUCHADA, RAOUL, LAVANDIER, BERNARD
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL MEDICAL OR VETERINARY SCIENCE METERING BY VOLUME PHYSICS SURGERY TESTING
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Beschreibung
Zusammenfassung:	An ultrasonic probe for flow rate measurement by the Doppler effect includes at least one wide-beam ultrasound transducer fixed on a support block and at least one narrow-beam ultrasound transducer fixed on a support block and whose beam position is known in relation to the wide beam, and a control and processing unit which processes and measures the characteristics of the signal from the narrow-beam transducer in order to determine the only appropriate direction for pointing the wide-beam transducer to enable an accurate measurement of flow rate to be performed.