CORIOLIS ACCELERATION MASS FLOWMETER AND METHOD OF MEASURED VALUE REPRESENTING MASS FLOW Russian patent published in 2008 - IPC G01F1/84 G01F15/02 G01F1/74

Abstract RU 2339007 C2

FIELD: physics.

SUBSTANCE: within operation measuring tube of Coriolis acceleration flowmeter/ densimeter is driven by bending vibrational motion using exciter. Electronic unit of flowmeter develops intermediate value (X'_m) of mass flow deduced from measuring signals (x_s1, x_s2), representing input and output vibrations of measuring tube, second intermediate value (X₂) deduced from one measured operating parameter of Coriolis acceleration flowmeter: one measuring signal (x_s1, x_s2) of vibration, excitation current (i_exc) and current parameter and representing measure of medium phase portion. Using intermediate value (X₂), adjustment value (X_a) of intermediate value (X'_m) is calculated. Value (X_a) by intermediate value (X₂) is chosen from number of preset values saved in tabular memory. Using values (X'_m) and (X_a), measured value representing mass flow (X_m) is calculated.

EFFECT: higher measurement accuracy of non-uniform environments and simplified implementation.

13 cl, 5 dwg

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RU 2 339 007 C2

Authors

Matt Kristian

Venger Al'Fred

Fuks Mikhaehl'

Dram Vol'Fgang

Dates

2008-11-20—Published

2004-12-07—Filed