Mass flow meter on the coriolis principle

Details Mass flow meter on the coriolis principle Mass flow meter on the coriolis principle

1986-02-05

1987-07-21

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

G01F 184

Patent

active

046809740

ABSTRACT:
The invention relates to a mass flow meter operable on the Coriolis principle having two rectilinear juxtaposed parallel arranged measuring tubes mechanically interconnected at their ends. An oscillator between the tubes produces opposite oscillatory movement of the tubes with a harmonic oscillation superimposed on the fundamental oscillation. Sensors between the tubes on opposite sides of the oscillator sense relative movement between the tubes and generate signals corresponding thereto. A circuit responsive to these signals determines resonant frequencies of the fundamental and harmonic oscillations and derives therefrom a correcting value which gives effect to axial stresses in the measuring tubes to determine a corrected mass flow.

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