Liquid-level gauging

Details Liquid-level gauging Liquid-level gauging

G - Physics

01

F

G01F 23/28 (2006.01) G01F 23/296 (2006.01)

Patent

CA 2090697

Conventional ultrasonic liquid-level sensors have a transducer mounted at the bottom of a metal tube that projects upwardly and is filled with liquid to the same height as that outside the tube. In the present invention the tube has a layer of acoustically-absorbing plastics to damp the transmission of ultrasonic vibration between the wall of the tube and the liquid within the tube.

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