Dual S-loop single tube coriolis force flowmeter

Details Dual S-loop single tube coriolis force flowmeter Dual S-loop single tube coriolis force flowmeter

1987-02-12

1988-10-11

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

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

G01F 184

Patent

active

047762209

ABSTRACT:
The mass flowmeter of the present invention comprises a conduit including a first sinuous section extending from an inlet leg and a second sinuous section extending from an outlet leg, wherein the first sinuous section includes a first smooth bend adjacent to the inlet leg and turning about a first direction, and a second smooth bend adjacent to the first smooth bend and turning about a second direction opposite to the first direction, and the second sinuous section includes a third smooth bend adjacent to the second smooth bend and turning about the second direction, and a fourth smooth bend intermediate the third smooth bend and the outlet leg and turning about the first direction, in which arrangement the first and second sinuous sections cross one another at least once at midsections thereof. Relative vibratory motions between the first and second sinuous sections imposed at midsections thereof create relative Coriolis torsional vibrations therebetween about an axis generally parallel to the two planes respectively including the first and second sinuous sections and perpendicular to the inlet and outlet legs, which relative Coriolis torsional vibrations has magnitude proportional to the mass flow rate of media moving through the conduit. Consequently, the mass flow rate is determined by measuring the Coriolis torsional vibrations.

REFERENCES:
patent: 4559833 (1985-12-01), Sipin

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