Resonating rod

Details Resonating rod Resonating rod

1983-04-22

1986-06-17

Frankfort, Charles

Measuring and testing

Liquid level or depth gauge

73290R, G01F 2328

Patent

active

045948917

ABSTRACT:
A filling level measuring probe detects the filling level in a container by suppression of an oscillator by contact with a filling material. The oscillator consists of a hollow body 16, which can be connected through a shaft 14 and a screw-in part 12 with a container wall 10 and is set in oscillation with oscillations in the radial direction over a crosspiece 20 mounted in hollow body 16 by means of an electromechanical transducer 26 which is mounted on crosspiece 20. The oscillations are converted by a second electromechanical transducer 28 into an electric signal, of which the amplitude is changed with suppression of the oscillations as a result of contact of the hollow body 16 with the filling material.

REFERENCES:
patent: 4130018 (1978-12-01), Adams et al.
patent: 4240285 (1980-12-01), Langdon
patent: 4337656 (1982-07-01), Rapp
patent: 4383443 (1983-05-01), Langdon
patent: 4499765 (1985-02-01), Benz et al.

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