Mass flowmeter

Details Mass flowmeter Mass flowmeter

1995-11-03

1997-06-10

Chilcot, Richard

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

73861357, G01F 178

Patent

active

056378041

ABSTRACT:
A mass flowmeter has a flow-through channel (2) and as its measuring section (10) a thin strip (3) which at one end has an oscillation generator generating waves travelling along the measuring section (10) and at the other end has an energy converter (8, 9) acting as oscillation detector for these travelling waves. An evaluating circuit (11) determines the mass flow on the basis of the travelling speeds which are different in and against the direction of flow (X). In particular, only one measuring section (10) is provided, the energy converters (8, 9) of which are operable alternately as oscillation generator and oscillation detector. In this manner, meters of relatively short length and high accuracy can be made.

REFERENCES:
patent: 2741918 (1956-04-01), De Boisblanc
patent: 3190116 (1965-06-01), Romanowski
patent: 3927565 (1975-12-01), Pavlin et al.
patent: 4003251 (1977-01-01), Herzl
patent: 4193291 (1980-03-01), Lynnworth
patent: 4420983 (1983-12-01), Langdon
patent: 4596153 (1986-06-01), Macdonald
patent: 5179862 (1993-01-01), Lynnworth
patent: 5243863 (1993-09-01), Gill

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