Vortex shedding fluid velocity meter

Details Vortex shedding fluid velocity meter Vortex shedding fluid velocity meter

1987-02-11

1989-09-05

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

73DIG4, G01F 132

Patent

active

048627500

ABSTRACT:
A vortex-shedding flowmeter having two independent force sensors disposed on opposite sides of a tailpiece downstream from the vortex generating element for detecting fluid pressures. The signals derived from the two sensors are merged to form a composite output signal so as to cancel spurious signals caused by fluid pulsations or noise. One or both sensors may be provided with an adjustable gain element to compensate for differences in sensitivity.

REFERENCES:
patent: Re31217 (1983-04-01), Rodely
patent: 3719073 (1973-06-01), Mahon
patent: 3737897 (1973-05-01), Herzl
patent: 3972232 (1976-08-01), Miller et al.
patent: 4116059 (1978-09-01), Herzl
patent: 4464939 (1984-08-01), Corpron
patent: 4526040 (1985-07-01), Matsubara
patent: 4559832 (1985-12-01), Burlage
Piezo Electric Vortex Flow Transmitter--Nice Instrumentation.

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