Mass flow meter based on the coriolis principle

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

1986-09-15

1988-08-02

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

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

G01F 184

Patent

active

047607440

ABSTRACT:
A mass flow meter based on the Coriolis principle. The meter has two rectilinear measuring tubes juxtaposed in parallel and mechanically connected at adjacent ends thereof. An oscillation generator is connected to the tubes between the ends thereof for driving the tubes in opposite directions. A sensor connected to the tubes on opposite sides of the oscillation generator sense and signal relative oscillations of the tubes which is indicative of the flow through the tubes. The measuring tubes have different bending strengths in two perpendicular axial planes thereof to reduce the amplitudes of vibration in the plane normal to the plane of interest. Individual masses applied to the measuring tubes cause the natural frequency of at least the first mechanical harmonic of the measuring tubes to differ from the natural frequency of the mechanical fundamental counter-oscillation by a factor x which differs from a whole number by at least 0.1.

REFERENCES:
patent: 3444723 (1969-05-01), Wakefield
patent: 4622858 (1986-11-01), Mizerak

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