Twin path coriolis-type mass flow sensor with curved conduits

Details Twin path coriolis-type mass flow sensor with curved conduits Twin path coriolis-type mass flow sensor with curved conduits

1993-11-16

1995-03-07

Chilcot, Jr., Richard E.

Measuring and testing

Volume or rate of flow

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

G01F 184

Patent

active

053947584

ABSTRACT:
This mass flow sensor has a vibration-body arrangement through which flows a fluid to be measured and which comprises the following parts: two plane, congruent tube loops each consisting of a straight inlet tube with an inlet end, a straight outlet tube with an outlet end, which ends are fixed in a common mount, and a tube bend interconnecting the respective inlet tube and the respective outlet tube. Mounted at the junctions of the respective inlet and outlet tubes and the associated tube bends is a plate with holes which correspond to the outside diameter of the straight tubes and the tube bends and in which the latter are fixed to determine a respective vibration node. A vibration exciter sets the two tube bends into opposite sympathetic vibrations perpendicular to their respective planes, and two sensors are spaced along the straight tubes for sensing the vibrations of the latter.

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E. Amberger et al., "Unmittelbare Messung des Massedurchflusses mit Hilfe der Coriolis-Kraft", Automatisierungstechnische Praxis, Heft 5, pp. 224-230, 1988.
B. Vogtlin et al., "Direct Measurement of Mass Flow Using the Coriolis Force", Flowtec AG Flow Measurement, eight pages, date unknown.

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