Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy
Patent
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.
Lew Hyok S.
Yoshida Louis T.
Engineering Measurements Company
Goldstein Herbert
Young James R.
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