Vortex shedding flow meter with noise suppressing and signal enh

Details Vortex shedding flow meter with noise suppressing and signal enh Vortex shedding flow meter with noise suppressing and signal enh

1985-10-18

1987-11-03

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

73189, G01F 132

Patent

active

047036591

ABSTRACT:
This invention discloses a vortex shedding flowmeter comprising a vortex generating member disposed across one cross section of the flow passage and a pair of vortex sensing wings respectively disposed across two cross section of the flow passage straddling the vortex generating member in a parallel relationship thereto, wherein one extremity of each wing is secured to a stocky container member housing a piezo-electric element by a flange of a thin diaphragm construction, which stocky container member is rigidly secured to the wall of the flow passage, while the other extremity of each wing is secured to the opposite side wall of the flow passage in a resilient manner.

REFERENCES:
patent: 2813424 (1957-11-01), Liepmann et al.
patent: 4069708 (1978-01-01), Fussell, Jr.
patent: 4248098 (1981-02-01), Sawayama et al.
patent: 4258565 (1981-03-01), Sawayama et al.
patent: 4307619 (1981-12-01), Herzl
patent: 4391137 (1983-07-01), Kerfoot et al.

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