Method of mass flow measurement by the coriolis principle and ma

Details Method of mass flow measurement by the coriolis principle and ma Method of mass flow measurement by the coriolis principle and ma

1988-11-17

1990-08-21

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

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

7386118, G01F 184

Patent

active

049495836

ABSTRACT:
In the method for mass flow measurement by the Coriolis principle a fluid-traversed elastically deformable measuring tube is periodically deflected. As a measure of the mass flow phase displacements are measured between deflections of portions of the measuring tube wall which are arranged differently in the flow direction. For this purpose a periodic deformation of the cross-section of the measuring tube is effected in such a manner that portions of the measuring tube wall lying diametrically opposite each other are deflected in each case through about the same distance in opposite or the same direction transversely of the flow direction of the fluid. This method can be carried out with a simply constructed mass flow meter in the operation of which a wandering of the center of gravity of the meter is substantially avoided and which is also suitable for large nominal widths.

REFERENCES:
patent: 3444723 (1969-05-01), Wakefield
patent: 4420983 (1983-12-01), Langdon
Stiffen and Stumm, "Direkte Massedurchflussmessung, Insbesondere Mit Coroiolisverfahren", Messen Prufen Automatisieren, May 1987, pp. 301-305.

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