Nonvibrating conduit inertia force flowmeter

Details Nonvibrating conduit inertia force flowmeter Nonvibrating conduit inertia force flowmeter

1993-09-14

1995-02-28

Chilcot, Jr., Richard F.

Measuring and testing

Volume or rate of flow

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

G01F 184

Patent

active

053926560

ABSTRACT:
A mass flowmeter comprises a nonvibrating conduit providing a flow passage divided into two parallel and equal subpassages by a planar member with the leading and trailing edges secured to the wall of the flow passage, wherein the planar member is torsionally vibrated about the central axis thereof substantially coinciding with the center line of the flow passage, and a pair of vibration sensors detecting the torsional vibration of the planar member respectively at two different cross sections of the flow passage, wherein the mass flow rate of media moving through the flow passage is determined as a function of a phase angle difference between two alternating electrical signals respectively provided by the pair of vibration sensors.

REFERENCES:
patent: 3331244 (1967-07-01), Henderson
patent: 4420983 (1983-12-01), Langdon
patent: 4596153 (1986-06-01), Macdonald et al.
patent: 4972724 (1990-11-01), Ricken

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