Coriolis mass flow rate metering means

Details Coriolis mass flow rate metering means Coriolis mass flow rate metering means

1977-06-07

1978-11-28

Gill, James J.

Measuring and testing

Volume or rate of flow

System

73194M, 73 32A, G01F 184

Patent

active

041270282

ABSTRACT:
A flow meter for measuring mass flow is disclosed having two vibrating U-shaped tubes, a means for vibrating the tubes, and sensors for detecting the coriolis force couple which results from the vibration and the flow of the material to be measured through the meter. The U-shaped tubes include spaced apart inlet and outlet sections connected to a fixed member at one end, and having the sensors at the other end thereof. The fixed ends are more closely spaced together than are the other ends having the sensors for increasing the moment arms acted on by the coriolis force couple for more easily detecting twist of said U-shaped tubes. The U-shaped tubes also are arranged to have the same natural of frequency for longitudinal oscillations and for torsional oscillations.

REFERENCES:
patent: 3276257 (1966-10-01), Roth
patent: 3456491 (1969-07-01), Brockhaus
patent: 3485098 (1969-12-01), Sipin

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