Differential mass flowmeter

Details Differential mass flowmeter Differential mass flowmeter

1987-04-17

1988-11-01

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

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

73196, G01F 184

Patent

active

047810688

ABSTRACT:
The differential mass flowmeter comprises two U-shaped tubes, arranged side by side, mutually rigidly coupled, and having their ends inserted into a support. The tubes are adapted for conveying fluid in countercurrent and are provided with an electromagnet adapted for producing oscillation of the tubes about an axis passing through the portions inserted into the support, and with at least two coils, each facing a permanent magnet for generating a signal proportional to the angle of inclination of the portion of the small tubes which is opposite to the support, to thus permit continuous measurement of mass flow rate differences between two sections of a tube.

REFERENCES:
patent: 2821084 (1958-01-01), Altfillisch
patent: 4252028 (1981-02-01), Smith et al.
patent: 4422338 (1983-12-01), Smith
patent: 4658657 (1987-04-01), Kuppers

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