Vortex flowmeter having an asymmetric center body

Details Vortex flowmeter having an asymmetric center body Vortex flowmeter having an asymmetric center body

1990-03-08

1991-02-26

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

049952692

ABSTRACT:
A flow measuring apparatus having a flow tube with an asymmetrical blunt y rigidly mounted on at least one end in a stream of flowing fluid contained within the flow tube so as to form vortices downstream of said asymmetrical blunt body at low Reynolds numbers. A laminar proportional amplifier is used for amplifying the pressure variations caused by the vortices, either a microphone or a pressure transducer is used for converting the amplified pressure variations to an electrical output signal, and a signal conditioner and read out is used for converting the output signal into a rate of flow of the stream of flowing fluid.

REFERENCES:
patent: 3759096 (1973-09-01), White
patent: 4312237 (1982-01-01), Thorne et al.
patent: 4699012 (1987-10-01), Lew et al.

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