Oscillation unit for filling level vibration limit switch

Details Oscillation unit for filling level vibration limit switch Oscillation unit for filling level vibration limit switch

1988-10-28

1990-01-30

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

310321, 340621, G01F 2328

Patent

active

048965367

ABSTRACT:
A device for determining the filling level in a container including an oscillator with two rotational oscillation elements (10, 12) of the same resonance frequency which oscillate oppositely. The oscillation elements (10, 12) are arranged coaxially, have a common rotational axis, masses of the same size, and a common mass center. Both oscillation elements (10, 12) are fixed to a common membrane which serves as a retraction spring, through which a common drive of both oscillation elements (10, 12) is possible.

REFERENCES:
patent: 3100390 (1963-08-01), Banks
patent: 4325416 (1982-04-01), Hermann
patent: 4540981 (1985-09-01), Lepetina et al.
patent: 4740726 (1988-04-01), Umezawa
patent: 4785663 (1988-11-01), Hermann

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