Vortex shedding flow measurement

Details Vortex shedding flow measurement Vortex shedding flow measurement

1981-12-15

1984-06-12

Goldberg, Gerald

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

7386122, G01F 132

Patent

active

044534167

ABSTRACT:
An improved vortex shedding flowmeter sensor and method are disclosed. The vortex shedding sensor is a bistable element. The element is constrained to operate in a transition deflection region between two stable stages. The element tends to alternate states at the frequency of vortex shedding, thereby amplifying the input signal at low levels and extending the low range of flow rate measurement.

REFERENCES:
patent: 3564915 (1971-02-01), Tomota et al.
patent: 4003251 (1977-01-01), Herzl
patent: 4006083 (1977-01-01), Westervert et al.
patent: 4085614 (1978-04-01), Curran et al.

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