Device for Measuring the Level of a Liquid in a Container With an Ultrasonic Transducer
AssigneeHella KGaA Hueck & Co.
InventorsThomas Kuck, Heiko Dobrinski, Andreas Buhrdorf
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Abstract
The invention relates to a device for measuring the level of liquid in a container by means of an ultrasonic converter, comprising an ultrasonic converter which is disposed at a distance from the base such that it radiates towards the surface of the liquid and also towards a lower reflector. The ultrasonic converter is, preferably, integrated into a housing which has a large upper opening and a small lower opening. A cavity is arranged in the base of the device below the lower opening.
Claims14
A device for measuring the level of a liquid according to the ultrasound-echo principle in a container with an ultrasonic transducer (2), wherein the ultrasonic transducer (2) is disposed at a distance from a reflecting surface disposed in the bottom region and is designed on the one hand for irradiation to the liquid surface and on the other hand to the lower reflecting surface (6), wherein a sunken portion (21) in the bottom is disposed beneath the ultrasonic transducer (2).
Dependencies are inferred from the claim text.